Affiliated Managers Group, Inc. (AMG) Institutional Ownership & Insider Trading
564 institutions reported holding Affiliated Managers Group, Inc. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 7 insider trades on Form 4 since 2025-10-01.
Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason
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- Market cap
- 9.9B
- P/E TTM
- 11.7
- Dividend yield
- 0.0%
- 52-week
- —
- Next earnings
- 9 Nov, in 16 days
Institutions · all 13F filers
quarter to 30 Jun 2026 · filers in both quarters564 institutions held 97.6% of the shares. Across filers that reported both quarters, shares held changed +0.3%.
Largest moves, shares (millions)
Institutional flow by quarter
net shares added or trimmed, millions · filers in both quarters| Quarter | Holders | Shares held, M | Change | Increased | New | Decreased | Closed |
|---|---|---|---|---|---|---|---|
| Jun 26 | 564 | 25 | +0.3% | 146 | 60 | 192 | 44 |
| Mar 26 | 539 | 25 | -6.3% | 191 | 71 | 124 | 36 |
| Dec 25 | 497 | 27 | -2.1% | 129 | 68 | 155 | 20 |
| Sep 25 | 438 | 27 | +0.5% | 115 | 46 | 135 | 27 |
| Jun 25 | 425 | 27 | -3.1% | 90 | 70 | 158 | 35 |
| Mar 25 | 389 | 27 | -1.7% | 99 | 25 | 151 | 38 |
| Dec 24 | 398 | 28 | -0.8% | 93 | 30 | 143 | 45 |
| Sep 24 | 414 | 28 | -11.4% | 133 | 43 | 136 | 37 |
Affiliated Managers Group, Inc. — questions
- Who owns Affiliated Managers Group, Inc. stock?
- 564 institutions reported Affiliated Managers Group, Inc. shares in 13F filings for the quarter ended 2026-06-30. The largest: BlackRock, Inc. (10.7%), MORGAN STANLEY (5.8%), VANGUARD PORTFOLIO MANAGEMENT LLC (5.4%).
- Are Affiliated Managers Group, Inc. insiders buying or selling?
- 7 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.
Every figure on this page comes from Affiliated Managers Group, Inc.'s own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.
How these figures are read: methodology · EquiReason.