# Affiliated Managers Group, Inc.: overview

AMG · NYSE · CIK 1004434 · [Financials](/sectors/financials.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/amg.md) · [Financials](/companies/amg/financials.md) · [Filings](/companies/amg/filings.md) · [Insiders](/companies/amg/insiders.md)

Latest reported revenue: [$640.7m](/filings/0001628280-26-054930.md) for Q2 FY2026, three months to 2026-06-30, from the 10-Q filed Aug 7, 2026 (XBRL us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax, accession 0001628280-26-054930).

## Last eight quarters

| Line item | Unit | Q3 FY2024 (2024-09-30) | Q4 FY2024 (2024-12-31) | Q1 FY2025 (2025-03-31) | Q2 FY2025 (2025-06-30) | Q3 FY2025 (2025-09-30) | Q4 FY2025 (2025-12-31) | Q1 FY2026 (2026-03-31) | Q2 FY2026 (2026-06-30) |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: |
| Revenue | $m | [516](/filings/0001628280-25-050206.md) | [524 d](/filings/0001628280-26-008665.md) | [497](/filings/0001628280-26-032153.md) | [493](/filings/0001628280-26-054930.md) | [528](/filings/0001628280-25-050206.md) | [557 d](/filings/0001628280-26-008665.md) | [545](/filings/0001628280-26-032153.md) | [641](/filings/0001628280-26-054930.md) |
| Gross margin | % | not reported | not reported | not reported | not reported | not reported | not reported | not reported | not reported |
| Operating margin | % | not reported | not reported | not reported | not reported | not reported | not reported | not reported | not reported |
| Net margin | % | [23.9%](/filings/0001628280-25-050206.md) | [30.9% d](/filings/0001628280-26-008665.md) | [14.6%](/filings/0001628280-26-032153.md) | [17.1%](/filings/0001628280-26-054930.md) | [40.2%](/filings/0001628280-25-050206.md) | [62.5% d](/filings/0001628280-26-008665.md) | [20.3%](/filings/0001628280-26-032153.md) | [29.0%](/filings/0001628280-26-054930.md) |
| Diluted EPS | $ per share | [3.78](/filings/0001628280-25-050206.md) | not reported | [2.20](/filings/0001628280-26-032153.md) | [2.80](/filings/0001628280-26-054930.md) | [6.87](/filings/0001628280-25-050206.md) | not reported | [3.84](/filings/0001628280-26-032153.md) | [6.95](/filings/0001628280-26-054930.md) |
| Free cash flow | $m | [265 d](/filings/0001628280-25-050206.md) | [211 d](/filings/0001628280-26-008665.md) | [207](/filings/0001628280-26-032153.md) | [229 d](/filings/0001628280-26-054930.md) | [276 d](/filings/0001628280-25-050206.md) | [255 d](/filings/0001628280-26-008665.md) | [296](/filings/0001628280-26-032153.md) | [239 d](/filings/0001628280-26-054930.md) |

- Revenue. XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Gross margin (gross profit / revenue). XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Operating margin (operating income / revenue). XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. Derived values: 9-month figure less the 6-month figure; 12-month figure less the 9-month figure; 6-month figure less the 3-month figure.

## Last five fiscal years

| Line item | Unit | FY2021 (2021-12-31) | FY2022 (2022-12-31) | FY2023 (2023-12-31) | FY2024 (2024-12-31) | FY2025 (2025-12-31) |
| --- | --- | ---: | ---: | ---: | ---: | ---: |
| Revenue | $m | [2,412](/filings/0001004434-24-000010.md) | [2,330](/filings/0001004434-25-000010.md) | [2,058](/filings/0001628280-26-008665.md) | [2,041](/filings/0001628280-26-008665.md) | [2,074](/filings/0001628280-26-008665.md) |
| Gross margin | % | not reported | not reported | not reported | not reported | not reported |
| Operating margin | % | not reported | not reported | not reported | not reported | not reported |
| Net margin | % | [23.4%](/filings/0001004434-24-000010.md) | [49.2%](/filings/0001004434-25-000010.md) | [32.7%](/filings/0001628280-26-008665.md) | [25.1%](/filings/0001628280-26-008665.md) | [34.5%](/filings/0001628280-26-008665.md) |
| Diluted EPS | $ per share | [13.05](/filings/0001004434-24-000010.md) | [25.35](/filings/0001004434-25-000010.md) | [17.42](/filings/0001628280-26-008665.md) | [15.13](/filings/0001628280-26-008665.md) | [22.74](/filings/0001628280-26-008665.md) |
| Free cash flow | $m | [1,251](/filings/0001004434-24-000010.md) | [1,043](/filings/0001004434-25-000010.md) | [862](/filings/0001628280-26-008665.md) | [929](/filings/0001628280-26-008665.md) | [967](/filings/0001628280-26-008665.md) |

- Revenue. XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Gross margin (gross profit / revenue). XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Operating margin (operating income / revenue). XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquirePropertyPlantAndEquipment.

Each value links to the filing it came from. d marks a derived value. A ratio is not reported when any input is missing.

## Insider purchases and sales

The last 20 open-market transactions on Form 4 (codes P and S). Reported price is as stated on the form, not a market price. [All insider transactions](/companies/amg/insiders.md)

None in coverage.

## Funds that report holding it

From each manager’s latest Form 13F, largest reported value first. Reported value is as filed: filing data, not a price. [All funds](/funds.md)

| Fund | Quarter ended | Reported value | Shares | Put or call | Change on the quarter before |
| --- | --- | ---: | ---: | --- | --- |
| [BlackRock, Inc.](/funds/2012383.md) | 2026-06-30 | $938.3m | 2,772,736 |  | Reduced −94,929 |
| [MORGAN STANLEY](/funds/895421.md) | 2026-06-30 | $503.3m | 1,487,219 |  | Reduced −245,293 |
| [VANGUARD PORTFOLIO MANAGEMENT LLC](/funds/2100121.md) | 2026-06-30 | $471.0m | 1,391,836 |  | Added +32,043 |
| [VANGUARD CAPITAL MANAGEMENT LLC](/funds/2100119.md) | 2026-06-30 | $389.5m | 1,151,085 |  | Reduced −23,661 |
| [Boston Partners](/funds/1386060.md) | 2026-06-30 | $339.1m | 1,001,967 |  | Added +30,720 |
| [ARIEL INVESTMENTS, LLC](/funds/936753.md) | 2026-06-30 | $338.3m | 999,676 |  | Reduced −64,354 |
| [STATE STREET CORP](/funds/93751.md) | 2026-06-30 | $298.9m | 883,323 |  | Reduced −43,410 |
| [MILLENNIUM MANAGEMENT LLC](/funds/1273087.md) | 2026-06-30 | $296.1m | 875,116 |  | Added +869,748 |
| [FULLER & THALER ASSET MANAGEMENT, INC.](/funds/1082327.md) | 2026-06-30 | $290.3m | 857,756 |  | Added +97,543 |
| [DIMENSIONAL FUND ADVISORS LP](/funds/354204.md) | 2026-06-30 | $226.8m | 670,195 |  | Reduced −48,118 |

## Recent filings

[All 1,285 filings](/companies/amg/filings.md)

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-08-07 | 17:28 ET | [10-Q](/filings/0001628280-26-054930.md) | Quarterly report, period 2026-06-30 | 0001628280-26-054930 |
| 2026-07-30 | 07:14 ET | [8-K](/filings/0001628280-26-050793.md) | 2.02 Results of operations; 8.01 Other events; 9.01 Financial statements and exhibits | 0001628280-26-050793 |
| 2026-06-09 | 16:30 ET | [8-K](/filings/0001193125-26-263845.md) | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001193125-26-263845 |
| 2026-05-28 | 16:30 ET | [8-K](/filings/0001193125-26-245324.md) | 5.07 Shareholder vote results | 0001193125-26-245324 |
| 2026-05-07 | 16:19 ET | [10-Q](/filings/0001628280-26-032153.md) | Quarterly report, period 2026-03-31 | 0001628280-26-032153 |
| 2026-05-01 | 06:37 ET | [8-K](/filings/0001628280-26-029094.md) | 2.02 Results of operations; 8.01 Other events; 9.01 Financial statements and exhibits | 0001628280-26-029094 |
| 2026-04-17 | 16:43 ET | [DEF 14A](/filings/0001628280-26-025798.md) | Proxy statement, period 2026-05-27 | 0001628280-26-025798 |
| 2026-02-26 | 16:31 ET | [8-K](/filings/0001193125-26-076911.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-076911 |
| 2026-02-17 | 17:15 ET | [10-K](/filings/0001628280-26-008665.md) | Annual report, period 2025-12-31 | 0001628280-26-008665 |
| 2026-02-12 | 07:08 ET | [8-K](/filings/0001628280-26-007464.md) | 2.02 Results of operations; 8.01 Other events; 9.01 Financial statements and exhibits | 0001628280-26-007464 |

## Latest annual report

[Form 10-K for the fiscal year ended Dec 31, 2025](/filings/0001628280-26-008665.md), filed Feb 17, 2026.

## Forecast league

Q3 FY2026, the quarter ended 2026-09-30, is open for forecasts until the first results filing for it is accepted by EDGAR. Results are due by \[object Promise\]. [Forecast this quarter](/leagues/2026q3/targets/05c133e8-9ecb-4329-8fca-109d30c2a13f)

## About the filer

- CIK: 1004434
- Tickers: AMG, MGR, MGRB, MGRD, MGRE
- Exchange: NYSE
- SIC code: 6282 Investment Advice
- State of incorporation: DE
- Filer category: Large accelerated filer

Source: SEC EDGAR, XBRL company facts, the filing index and Forms 4. Last ingested by Listed: Oct 24, 2026, 15:29 ET. No prices; not investment advice.