Short answer
The answer, before the reasoning
An asset manager should keep three boundaries visible. The first is the reporting entity and its own governance, strategy, risk processes, financial effects and operational emissions.
The second is the assets under management included in financed emissions, for which IFRS S2 requires absolute gross Scope 1, Scope 2 and Scope 3 financed emissions, AUM included, coverage, exclusions and allocation methodology. The third is the product, mandate or client-reporting boundary. Those outputs can reuse the same data, but they are not automatically identical to entity-level IFRS S2 disclosure.
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PUBLIC ARTICLE
In practice
FORMAT
| FORMAT | LANGUAGE | VERSION |
|---|---|---|
| Sector deep guide and boundary-control tool | British English | 1.0 • 1 August 2026 |
Rule
WHO THIS IS FOR
Asset-manager sustainability, finance, investment, risk, product, operations, data, client-reporting, stewardship, internal-audit and assurance-readiness teams.
Technical status
STANDARD STATUS
The original IFRS S2 requirements apply for annual reporting periods beginning on or after 1 January 2024. The December 2025 greenhouse-gas amendments, including the Category 15 limitation and derivative treatment, apply for periods beginning on or after 1 January 2027, with earlier application permitted. First-year Scope 3 relief can include financed-emissions information. Local adoption and fund-level regulation should be assessed separately.
Keep the manager, AUM and product boundaries separate
Asset-management reporting becomes confusing when three different populations are merged. The legal reporting entity has its own operations, employees, governance, contracts, financial statements and climate-related risks and opportunities. Assets under management are managed on behalf of clients or funds and form the financed-emissions population. Product and client reports can use narrower or different definitions, benchmarks, reporting dates, asset classes and regulatory rules.
The same security-level data can support all three layers, but reuse does not make the outputs equivalent. The entity-level IFRS S2 disclosure must satisfy the materiality, reporting-entity, connected-information and financed-emissions requirements that apply to the asset manager. A fund factsheet, stewardship report or client carbon report may serve another purpose and should be reconciled rather than copied without adjustment.
Figure 1. The reporting entity, AUM financed-emissions population and product/client outputs require separate boundaries and one controlled data architecture.
Rule
BOUNDARY RULE
Use stable identifiers and reconciliation to show how entity-level disclosure relates to AUM and client outputs. Do not describe a product-level carbon metric as if it automatically represents the asset manager's complete IFRS S2 disclosure.
What IFRS S2 requires for asset-management financed emissions
Unlike the commercial-banking and insurance requirements, paragraph B61 does not require asset managers to disaggregate financed emissions by industry and asset class. However, material disaggregation may still be necessary to explain concentrations, transition exposure, strategy or targets. The manager should distinguish what IFRS S2 specifically requires from additional entity-specific information that makes the disclosure understandable.
In practice
| REQUIRED ELEMENT | ASSET-MANAGEMENT APPLICATION | CONTROL QUESTION |
|---|---|---|
| Absolute gross financed emissions | Disclose Scope 1, Scope 2 and Scope 3 financed emissions attributed to assets under management. | Can each Scope total be traced to security or asset data and a controlled allocation calculation? |
| AUM included for each Scope | For every Scope total, disclose the amount of AUM included, expressed in the presentation currency of the financial statements. | Does the included AUM reconcile to the approved AUM population and reporting-date FX rates? |
| Coverage percentage | Disclose the percentage of total AUM included in the financed-emissions calculation. | Are numerator and denominator defined consistently and reproducible? |
| Exclusions | If coverage is below 100%, explain the excluded asset types and associated AUM. | Can exclusions be quantified by type rather than described only as a general data gap? |
| Methodology | Explain how financed emissions were calculated, including the allocation method used. | Are look-through, attribution denominator, data year, estimates, derivatives and changes documented? |
| General Scope 3 information | Explain measurement approach, inputs, assumptions, changes, data characteristics and categories included. | Does the public method description match the controlled calculation and data-quality register? |
Rule
CURRENT AMENDMENT POINT
The current text permits Scope 3 Category 15 to be limited to financed emissions. For asset management, financed emissions include emissions attributed to AUM. Derivative-attributable emissions may be excluded for that limitation, but the treatment and excluded financial activities must be explained.
Define the AUM population before attaching emissions data
The AUM denominator is a governance decision supported by finance, operations and investment records. Begin with the controlled mandate and portfolio universe. Determine which assets are managed by the reporting entity or group, how delegated and sub-advised arrangements are treated, whether look-through is available, and how double counting across pooled funds, feeder funds and mandates is prevented.
1. Freeze the total AUM population at the reporting date and reconcile it to controlled management and financial records.
2. Apply documented inclusion rules to delegated, sub-advised, externally managed, fund-of-funds and multi-manager structures.
3. Map holdings to issuers, counterparties or assets and control duplicate exposure through pooled structures.
4. Determine look-through depth and document where it is not available without undue cost or effort.
5. Attach emissions data, data year, scope, verification and estimation method.
6. Calculate attributed emissions and AUM included for each Scope.
7. Calculate coverage, quantify exclusions and complete methodology and change review.
In practice
| REGISTER FIELD | PURPOSE | EXAMPLE CONTROL |
|---|---|---|
| Stable mandate / fund / portfolio ID | Preserves the relationship between AUM, investment holdings and client outputs. | Use an immutable ID even when product names, share classes or managers change. |
| Legal owner and management relationship | Explains whether assets are managed, advised, sub-advised, delegated or merely administered. | Document the inclusion judgement and accountable business owner. |
| AUM definition and source | Controls the total denominator and presentation currency. | Reconcile to approved management reporting and explain gross/net, leverage or commitment conventions. |
| Instrument and asset type | Supports coverage, exclusions, methods and product analysis. | Maintain rules for listed equity, corporate and sovereign debt, private assets, funds, real assets, cash and derivatives. |
| Issuer / counterparty / underlying ID | Enables data matching, look-through and duplicate control. | Map market identifiers and retain underlying exposure where available. |
| Emissions data and vintage | Identifies Scope, source year, boundary, verification and estimation status. | Retain reported, estimated and proxy flags plus restatement history. |
| Allocation factor and denominator | Shows the manager's attributed share of issuer or asset emissions. | Store exposure, enterprise-value or project denominator and methodology version. |
| Coverage and exclusion code | Supports the coverage percentage and explanation of omitted AUM. | Quantify excluded asset types and distinguish unavailable data from methodological exclusion. |
| Client-output mapping | Connects the same data atom to funds, mandates and reports without changing the canonical record. | Version client rules separately and retain output reconciliation. |
Rule
LRA IMPLEMENTATION TOOL
The AUM boundary register is not an IFRS-prescribed template. It is a practical control for population completeness, reconciliation, look-through decisions, coverage, client-output consistency and assurance readiness.
Control complex instruments, look-through and derivatives
Asset managers frequently hold structures for which emissions attribution is not a simple issuer match. Funds, securitisations, private assets, real estate, infrastructure, derivatives, cash and short positions can require different methods or exclusions. IFRS S2 does not prescribe one universal look-through or financed-emissions methodology, but the selected approach, assumptions and limitations must faithfully represent the measurement and be understandable.
In practice
| POPULATION ISSUE | JUDGEMENT | DISCLOSURE / EVIDENCE |
|---|---|---|
| Fund-of-funds or pooled vehicles | Whether and how to look through to underlying holdings; treatment where only partial data are available. | Look-through level, source date, coverage, duplicate controls and excluded AUM. |
| Private equity and private debt | Use of investee-reported, activity-specific or proxy data and appropriate allocation denominators. | Data request process, model, quality score, valuation date and methodology limitations. |
| Real estate and infrastructure | Whether emissions are asset-specific, operator-level or issuer-level and how ownership or financing share is attributed. | Asset boundary, operational-control information, energy data and allocation rationale. |
| Sovereign exposure | Methodology and data source can differ from corporate financed emissions. | Separate method, boundary, denominator, source and comparability note. |
| Derivatives | Whether derivative-attributable emissions are excluded under the current Category 15 limitation and how product/client metrics treat them. | Definition of derivatives, excluded activities, gross/notional exposure treatment and consistency with risk disclosure. |
| Cash and equivalents | Whether excluded and how the associated AUM affects coverage. | Quantified excluded AUM and rationale. |
| Short positions and hedges | Whether and how they affect AUM, exposure, attribution and transition-risk narrative. | Policy, sign convention, no unsupported negative emissions and reconciliation to client metrics. |
In practice
| MYTH | A recognised portfolio-carbon methodology automatically determines the IFRS S2 b |
|---|---|
| REALITY | A methodology can support calculation, but the entity remains responsible for the IFRS S2 reporting entity, AUM population, materiality, exclusions, disclosure objective and connected-information judgements. |
Use estimates and different reporting periods transparently
Financed-emissions data will often be older than the asset manager's reporting date. IFRS S2 allows value-chain information from a different reporting period when it is the most recent information available without undue cost or effort, the periods are the same length and significant intervening events or changes are disclosed. This relief should be controlled at data-atom level, not applied as a blanket statement.
A data-quality score can be useful LRA practice, but it is not a substitute for the required explanation of measurement approach, inputs and assumptions. The manager should also explain whether coverage or emissions changed because of better data rather than because of changes in underlying assets or investee performance.
In practice
| DATA CHARACTERISTIC | PRACTICAL TREATMENT | CONTROL / DISCLOSURE |
|---|---|---|
| Same-period investee data | Use when available and representative. | Record source, boundary, verification and extraction date. |
| Prior-period investee data | Use the latest available if the period conditions are met. | Record data year and assess significant acquisitions, disposals, production changes or restatements. |
| Activity-specific estimate | Estimate using asset, production, energy or physical data. | Document factor, jurisdiction, technology, method and model uncertainty. |
| Sector or financial proxy | Use when specific data are unavailable and the input remains representative. | Identify model version, classification, currency/valuation basis and remediation priority. |
| Third-party vendor data | The manager remains responsible for the disclosure and controls. | Document vendor methodology review, licences, overrides, version and exception handling. |
| Verified versus unverified inputs | Disclose the extent of verified inputs and specific activity data as required. | Maintain quality attributes and a coverage dashboard by AUM and emissions. |
Rule
MOVEMENT BRIDGE
Separate changes caused by portfolio flows, market values, foreign exchange, issuer activity, real-world emissions change, improved coverage, methodology change and restatement. Without this bridge, a fall in financed emissions can be wrongly described as successful decarbonisation.
Connect portfolio metrics to strategy, products, stewardship and investor information
A financed-emissions inventory is not the complete strategy story. IFRS S2 asks how climate risks and opportunities affect the business model, value chain, strategy, decision-making, financial position, financial performance and cash flows. For an asset manager, relevant channels can include client demand, mandate retention, fee revenue, product design, investment performance, operational cost, data and stewardship capability, regulatory constraints and reputation.
The Industry-based Guidance for asset management includes metrics on AUM by asset class using ESG integration, sustainability-themed investing or screening, the approach to incorporating environmental factors and stewardship. IFRS S2 paragraph 32 requires the manager to refer to and consider applicability. These metrics are not automatically required simply because the entity is an asset manager; applicability and materiality still require judgement.
In practice
| DISCLOSURE AREA | ENTITY-LEVEL QUESTION | PORTFOLIO / CLIENT CONNECTION |
|---|---|---|
| Business model | How could climate conditions affect AUM, fees, products, distribution or client relationships? | Explain which strategies, products or client segments are exposed and why. |
| Investment process | How are climate factors incorporated into research, portfolio construction, risk and stewardship? | Use evidence from policies, systems, committee decisions, engagement and escalation. |
| Products and mandates | Which products are vulnerable to transition or physical risk or aligned with opportunity? | Define classification criteria and avoid equating product labels with IFRS S2 materiality. |
| Targets | What entity, AUM or portfolio boundary does each target cover? | Disclose metric, base period, milestones, methodology, revisions and progress drivers. |
| Capital and resources | What data, people, technology, stewardship and product investment supports the response? | Link resources to implementation status and financial effects. |
| Investor and client reporting | How do client outputs relate to the entity disclosure? | Reconcile definitions, periods, coverage, estimates and claims; explain residual differences. |
Rule
NON-EQUIVALENCE WARNING
A fund classification, taxonomy alignment percentage, regulatory product label or client carbon metric may be useful, but it does not automatically satisfy entity-level IFRS S2. Compare objective, boundary, materiality, method, reporting period and definitions before reuse.
Hypothetical case: multi-asset manager with external mandates
The manager reconciles the three layers. The entity-level IFRS S2 disclosure reports AUM included for each Scope, coverage and excluded AUM by type, together with methodology and data vintage. Strategy explains client demand, product changes, stewardship capability and the investment in private-market data. Client reports retain their product-specific definitions but include a reconciliation note where they differ from the entity disclosure.
The stronger wording is illustrative. It works because it quantifies the population, explains exclusions and connects data to actual investment and governance processes without making an unsupported alignment claim.
Hypothetical scenario
HYPOTHETICAL SCENARIO
A listed asset manager reports GBP 180 billion of total AUM. It calculates financed emissions for GBP 126 billion. Exclusions include cash, derivatives, sovereign debt under a separate developing method, and two externally managed private-market mandates without sufficient look-through. Several client reports use a narrower listed-equity and corporate-bond boundary and a different month-end date.
Illustrative only. It shows how the decision is made, not wording that can be copied or relied on.
In practice
| WEAK WORDING | STRONGER ILLUSTRATIVE WORDING |
|---|---|
| Our portfolios are aligned with net zero and financed emissions are fully integrated into investment decisions. | Absolute gross financed emissions were calculated for GBP 126 billion, or 70% of total AUM. The main exclusions were GBP 18 billion of cash and derivatives, GBP 21 billion of sovereign debt under a separate methodology under development, and GBP 15 billion of externally managed private assets without sufficient look-through. During the period, the Investment Risk Committee introduced a transition-risk watchlist for three sectors, approved data requirements for new private-market mandates and linked escalation outcomes to stewardship and portfolio review. Product-level client reports use mandate-specific boundaries and are reconciled separately; they should not be read as the Group's complete IFRS S2 financed-emissions disclosure. |
In practice
Common errors
| ERROR | WHY IT MISLEADS | CORRECTION |
|---|---|---|
| Treating product metrics as entity disclosure | Product boundaries and objectives can differ. | Maintain separate populations and publish a reconciliation. |
| Using vendor coverage without AUM reconciliation | Coverage may use a different denominator. | Recalculate coverage from the controlled total AUM population. |
| Omitting excluded AUM amounts | Users cannot assess the size or nature of the gap. | Quantify exclusions by asset type and explain remediation. |
| Using latest available data without event checks | Older data may no longer represent the holding. | Assess significant intervening events and disclose relevant changes. |
| Allowing portfolio flows to appear as decarbonisation | Sales or market movements can change the total without real-world emissions reduction. | Provide a movement bridge and balanced progress narrative. |
| Claiming all AUM is climate integrated | Different strategies, mandates and data coverage may contradict the claim. | Define the process, scope and evidence and disclose limitations. |
| Uncontrolled client report changes | Different teams can publish inconsistent metrics. | Use canonical data atoms, output rules, approval and version control. |
In practice
| MYTH | One financed-emissions total can be reused unchanged for every fund, client and |
|---|---|
| REALITY | The underlying data can be reused, but each output must apply its own approved boundary, date, method and purpose. Differences should be reconciled, not hidden. |
Readiness
Final disclosure checklist
- • ☐ The reporting entity, total AUM and product/client boundaries are defined separately.
- • ☐ Total AUM and AUM included for each Scope reconcile to controlled records.
- • ☐ Absolute gross Scope 1, Scope 2 and Scope 3 financed emissions are traceable.
- • ☐ Coverage, excluded asset types and excluded AUM are quantified and explained.
- • ☐ Allocation method, look-through, derivatives, cash and complex-instrument treatments are documented.
- • ☐ Data vintage, estimates, activity-specific inputs and verification status are transparent.
- • ☐ Significant intervening events are assessed where different reporting periods are used.
- • ☐ Portfolio metrics connect to business-model, strategy, risk, stewardship, products and targets.
- • ☐ Industry-based metrics are selected through the refer-and-consider process.
- • ☐ Client and product outputs are reconciled to the entity-level disclosure and version controlled.
Bottom line
For an asset manager, reliable IFRS S2 reporting depends on boundary discipline. The manager entity, the AUM financed-emissions population and product or client outputs should share controlled data but retain distinct objectives, definitions, reporting dates and approvals. The result should connect portfolio metrics to the manager's own strategy, risks, resources and prospects.
Official source anchors
The source set below should be rechecked as part of the pre-publication update control. Normative conclusions are based on current official IFRS Foundation and ISSB sources. Registers, templates, workflow steps and control suggestions identified as LRA practice are implementation aids rather than prescribed IFRS templates.
1. IFRS S2 Climate-related Disclosures. Current December 2025 issued text. Main anchors: paragraphs 13-16, 24-37 and B19, B37-B61. Open official source
2. Amendments to Greenhouse Gas Emissions Disclosures. Issued December 2025; includes the Category 15 limitation, asset-management AUM clarification and derivative treatment. Open official source
3. Greenhouse Gas Emissions Disclosure requirements applying IFRS S2. Official May 2025 educational material. Non-mandatory and does not add to or change IFRS S2. Open official source
4. Industry-based Guidance on Implementing IFRS S2 - Asset Management & Custody Activities. Official accompanying guidance containing asset-management climate topics and industry metrics for refer-and-consider assessment. Open official source
5. Using ISSB Industry-based Guidance when applying ISSB Standards. Official educational material on industry selection and applicability. Open official source
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