AFFILIATED MANAGERS GROUP, INC. Income Taxes Disclosure
For the Years Ended December 31, | ||||||
2023 | 2024 | 2025 | ||||
Controlling interest(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | $178.3 | $174.8 | $272.2 | |||
Non-controlling interests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 7.0 | 7.8 | 10.1 | |||
Income tax expense . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | $185.3 | $182.6 | $282.3 | |||
Income before income taxes (controlling interest) . . . . . . . . . . . . . . . . . . . . . . | $851.2 | $686.4 | $988.8 | |||
Effective tax rate (controlling interest)(2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 20.9% | 25.5% | 27.5% | |||
For the Years Ended December 31, | ||||||
2023 | 2024 | 2025 | ||||
Current | ||||||
Federal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | $105.2 | $59.6 | $95.2 | |||
State . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 10.8 | 16.6 | 19.9 | |||
Foreign . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 37.9 | 45.8 | 83.4 | |||
Total current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 153.9 | 122.0 | 198.5 | |||
Deferred | ||||||
Federal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 27.3 | 52.5 | 78.5 | |||
State . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 7.0 | 11.9 | 18.9 | |||
Foreign . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | (2.9) | (3.8) | (13.6) | |||
Total deferred . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 31.4 | 60.6 | 83.8 | |||
Income tax expense . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | $185.3 | $182.6 | $282.3 | |||
For the Years Ended December 31, | ||||||
2023 | 2024 | 2025 | ||||
Domestic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | $782.3 | $678.5 | $1,005.7 | |||
International . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 309.1 | 244.7 | 180.6 | |||
Total . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | $1,091.4 | $923.2 | $1,186.3 | |||
For the Years Ended December 31, | ||||||
2023 | 2024 | 2025 | ||||
U.S. federal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | $240.3 | $82.9 | $52.6 | |||
United Kingdom . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 42.3 | 39.0 | 43.0 | |||
Other . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 31.9 | 20.6 | 15.1 | |||
Total . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | $314.5 | $142.5 | $110.7 | |||
For the Years Ended December 31, | ||||||||||||
2023 | 2024 | 2025 | ||||||||||
$ | % | $ | % | $ | % | |||||||
Statutory U.S. federal tax . . . . . . . . . . . . . . . . | $229.2 | 21.0% | $193.9 | 21.0% | $249.1 | 21.0% | ||||||
State income taxes, net of federal benefit(1) . . | 14.1 | 1.3% | 19.2 | 2.1% | 26.0 | 2.1% | ||||||
Foreign tax effects: | ||||||||||||
United Kingdom | ||||||||||||
Affiliate equity expense . . . . . . . . . . . . . . . | 0.8 | 0.1% | 1.4 | 0.2% | 19.2 | 1.7% | ||||||
Other . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 3.5 | 0.3% | 7.0 | 0.8% | 1.8 | 0.1% | ||||||
Other foreign jurisdictions . . . . . . . . . . . . . . | (25.3) | (2.4)% | (9.1) | (1.0)% | (7.4) | (0.6)% | ||||||
Effect of cross-border tax laws . . . . . . . . . . . . | (4.4) | (0.4)% | 6.5 | 0.7% | 9.1 | 0.8% | ||||||
Nontaxable or nondeductible items . . . . . . . . | 5.1 | 0.5% | 4.2 | 0.5% | 5.2 | 0.4% | ||||||
Change in valuation allowance . . . . . . . . . . . . | 0.6 | 0.1% | 0.3 | 0.0% | 0.2 | 0.0% | ||||||
Unrecognized tax benefits . . . . . . . . . . . . . . . | 5.1 | 0.5% | 1.2 | 0.1% | 10.5 | 0.9% | ||||||
Other adjustments: | ||||||||||||
Effect of income from non-controlling interests . . . . . . . . . . . . . . . . . . . . . . . . . . . . | (43.4) | (4.0)% | (42.0) | (4.5)% | (31.4) | (2.6)% | ||||||
Effective tax . . . . . . . . . . . . . . . . . . . . . . . . . . | $185.3 | 17.0% | $182.6 | 19.9% | $282.3 | 23.8% | ||||||
December 31, | ||||
2024 | 2025 | |||
Deferred Tax Assets | ||||
State net operating loss carryforwards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | $13.8 | $13.7 | ||
Foreign loss carryforwards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 17.7 | 19.6 | ||
Foreign tax credits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 16.3 | 16.5 | ||
Other . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 33.5 | 22.5 | ||
Total deferred tax assets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 81.3 | 72.3 | ||
Valuation allowance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | (44.8) | (47.0) | ||
Deferred tax assets, net of valuation allowance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 36.5 | 25.3 | ||
Deferred Tax Liabilities | ||||
Intangible asset amortization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | (353.0) | (392.6) | ||
Non-deductible intangible amortization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | (101.4) | (82.9) | ||
Junior convertible securities interest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | (92.6) | (58.3) | ||
Other . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | (8.0) | (22.8) | ||
Total deferred tax liabilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | (555.0) | (556.6) | ||
Deferred tax liability (net)(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | $(518.5) | $(531.3) | ||
For the Years Ended December 31, | ||||||
2023 | 2024 | 2025 | ||||
Balance, beginning of period . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | $49.6 | $37.8 | $37.3 | |||
Additions based on current year tax positions . . . . . . . . . . . . . . . . . . . . . . . . . | 6.4 | 0.5 | 5.7 | |||
Additions based on prior years’ tax positions . . . . . . . . . . . . . . . . . . . . . . . . . . | 1.0 | 3.5 | 9.8 | |||
Reduction for prior years’ tax positions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | (13.5) | (0.8) | — | |||
Lapse of the statute of limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | (4.8) | (2.5) | (7.3) | |||
Settlements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | (1.3) | — | — | |||
Foreign currency translation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 0.4 | (1.2) | 0.5 | |||
Balance, end of period . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | $37.8 | $37.3 | $46.0 | |||
Historical Timeline
| Fiscal Year | Filed | |
|---|---|---|
| 2025 | Feb 17, 2026 | Showing above |
| 2024 | Feb 14, 2025 | |
| 2023 | Feb 16, 2024 | |
| 2022 | Feb 17, 2023 | |
| 2021 | Feb 18, 2022 | |
| 2020 | Feb 19, 2021 | |
| 2019 | Feb 28, 2020 | |
| 2018 | Feb 22, 2019 | |
| 2017 | Feb 23, 2018 | |
| 2016 | Feb 24, 2017 | |
| 2015 | Feb 25, 2016 | |
About Income Taxes Disclosures
The income tax disclosure reveals how much a company actually pays in taxes versus what the statutory rate would predict. Analysts focus on the effective tax rate (ETR) reconciliation, which breaks down every item driving the gap between the 21% federal rate and the company's reported ETR — including R&D credits, foreign rate differentials, and state taxes. Deferred tax assets (DTAs) and their valuation allowances signal management's confidence in future profitability: a rising allowance suggests the company doubts it can use accumulated tax benefits. Uncertain tax benefit (UTB) reserves quantify exposure to IRS challenges on aggressive positions.
Key signals to watch: sudden ETR drops without clear operational reasons, large increases in valuation allowances, growing UTB balances, and significant unremitted foreign earnings. Post-TCJA, pay attention to GILTI and BEAT provisions that affect multinational tax structures. Compare the cash taxes paid (from the cash flow statement) against the income tax provision to gauge earnings quality.