AMGNYSEInvestment AdviceFiscal year ends December 31Also trades as MGR, MGRB, MGRD, MGRE
AFFILIATED MANAGERS GROUP, INC.
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 7, 2026
$385.10+1.34 (+0.35%)
Close on Oct 19, 2026
- Market cap
- $10.36B
- P/E (TTM)
- 13.7
- Dividend yield
- 0.01%
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
25M
Shares held, 13F filers
Institutional holders
564
80 new, 52 sold out
Net institutional buying
0M
In Q2 2026
Insider trades, 12 months
2 buys · 5 sales
Net sold $9.47M
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| BlackRock, Inc. | 3,241,588 | 10.20% | 13G (passive) amendment | May 31, 2024 |
| Israel A. Englander | 1,506,104 | 5.30% | 13G (passive) | Jun 2, 2025 |
| Morgan Stanley | 1,458,379 | 5.50% | 13G (passive) amendment | Jun 30, 2026 |
| Vanguard Capital Management | 1,386,744 | 5.19% | 13G (passive) | Mar 31, 2026 |
| Vanguard Portfolio Management | 1,368,430 | 5.12% | 13G (passive) | Mar 31, 2026 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of AMG | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| BlackRock, Inc. | 2,772,736 | – | $938.29M | −94,929 | 0.01% |
| Morgan Stanley | 1,487,219 | – | $503.28M | −245,293 | 0.03% |
| Vanguard Portfolio Management LLC | 1,391,836 | – | $471.00M | +32,043 | 0.02% |
| Vanguard Capital Management LLC | 1,151,085 | – | $389.53M | −23,661 | 0.01% |
| Boston Partners | 1,001,967 | – | $339.15M | +30,720 | 0.30% |
| Ariel Investments, LLC | 999,676 | – | $338.29M | −64,354 | 3.37% |
| State Street Corp | 883,323 | – | $298.92M | −43,410 | 0.01% |
| Millennium Management LLC | 875,116 | – | $296.14M | +869,748 | 0.11% |
| Fuller & Thaler Asset Management, Inc. | 857,756 | – | $290.26M | +97,543 | 0.79% |
| Dimensional Fund Advisors LP | 670,195 | – | $226.80M | −48,118 | 0.04% |
| Geode Capital Management, LLC | 590,757 | – | $199.95M | −45,021 | 0.01% |
| Lsv Asset Management | 533,611 | – | $180.57K | +56,800 | 0.33% |
| Allianz Asset Management GmbH | 479,594 | – | $152.85M | −9,148 | 0.14% |
| Lyrical Asset Management LP | 472,886 | – | $160.02M | −29,235 | 2.03% |
| Bank Of America Corp /De/ | 432,420 | – | $146.33M | +22,842 | 0.01% |
| Invesco Ltd. | 380,623 | – | $128.80M | +64,133 | 0.01% |
| Norges Bank | 361,473 | – | $122.32M | New | 0.01% |
| Northern Trust Corp | 322,670 | – | $109.19M | −26,212 | 0.01% |
| Jane Street Group, LLC | 309,134 | – | $104.61M | +56,629 | 0.01% |
| Channing Capital Management, LLC | 302,514 | – | $102.37M | −158 | 2.36% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|
| Q2 2026 | 564 | 25M | 80 / 159 | 216 / 52 | 3M | 2M |
| Q1 2026 | 546 | 25M | 90 / 216 | 139 / 47 | 5M | 5M |
| Q4 2025 | 509 | 27M | 99 / 145 | 171 / 30 | 3M | 3M |
| Q3 2025 | 450 | 27M | 59 / 142 | 162 / 36 | 2M | 2M |
| Q2 2025 | 433 | 27M | 85 / 110 | 177 / 44 | 2M | 3M |
| Q1 2025 | 396 | 28M | 39 / 114 | 169 / 48 | 2M | 2M |
| Q4 2024 | 408 | 28M | 48 / 121 | 170 / 54 | 2M | 2M |
| Q3 2024 | 422 | 29M | 60 / 148 | 145 / 40 | 4M | 2M |
| Q2 2024 | 406 | 29M | 57 / 128 | 159 / 48 | 3M | 9M |
| Q1 2024 | 403 | 36M | 61 / 120 | 150 / 36 | 4M | 2M |
| Q4 2023 | 384 | 34M | 67 / 131 | 127 / 35 | 6M | 3M |
| Q3 2023 | 358 | 32M | 31 / 120 | 153 / 51 | 2M | 3M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of AMG | Value | % of fund | As of |
|---|---|---|---|---|---|
| iShares Core S&P Mid-Cap ETF | 903,925 | – | $305.89M | 0.25% | Jun 30, 2026 |
| Fullerthaler Behavioral Small Cap Equity | 815,790 | – | $276.06M | 2.18% | Jun 30, 2026 |
| Vanguard Total Stock Market Index Fund | 796,439 | – | $269.51M | 0.01% | Jun 30, 2026 |
| Eaton Vance Atlanta Capital SMID-Cap Fund | 785,100 | – | $265.68M | 3.02% | Jun 30, 2026 |
| Disciplined Value Mid Cap Fund | 687,017 | – | $232.49M | 1.00% | Jun 30, 2026 |
| Vanguard Small-Cap Index Fund | 575,609 | – | $194.79M | 0.10% | Jun 30, 2026 |
| Vanguard Small-Cap Value Index Fund | 364,523 | – | $123.35M | 0.18% | Jun 30, 2026 |
| Vanguard Extended Market Index Fund | 302,771 | – | $102.46M | 0.10% | Jun 30, 2026 |
| Ariel Fund | 280,984 | – | $95.08M | 3.28% | Jun 30, 2026 |
| Invesco S&P MidCap Momentum ETF | 262,389 | – | $96.23M | 1.34% | Jul 31, 2026 |
| Vanguard Strategic Equity Fund | 216,446 | – | $73.25M | 0.60% | Jun 30, 2026 |
| PIMCO RAE US Small Fund | 210,650 | – | $71.28M | 1.88% | Jun 30, 2026 |
| iShares S&P Mid-Cap 400 Growth ETF | 158,039 | – | $53.48M | 0.47% | Jun 30, 2026 |
| Fidelity Extended Market Index Fund | 144,917 | – | $43.89M | 0.10% | May 31, 2026 |
| Schwab U.S. Small-Cap ETF | 135,022 | – | $40.89M | 0.18% | May 31, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | Latest filing |
|---|---|---|---|
| Jay C. Horgen | President and CEO, Director | 606,264 | Jun 8, 2026 |
| Cheerag B. Patel | Head of Affiliate Engagement | 39,659 | Jun 26, 2026 |
| Kavita Padiyar | General Counsel & Corp. Sec. | 42,672 | Mar 9, 2026 |
| Dava Ritchea | Chief Financial Officer | 309 | Mar 9, 2026 |
| Thomas M. Wojcik | President and COO | 159,465 | Mar 9, 2026 |
| Rodriguez Felix V. Matos | Director | 5,217 | Sep 25, 2026 |
| Loren M. Starr | Director | 2,653 | Aug 18, 2026 |
| Tracy P. Palandjian | Director | 18,375 | Aug 18, 2026 |
| Annette Franqui | Director | 2,439 | Aug 18, 2026 |
| G. Staley Cates | Director | 6,405 | Aug 3, 2026 |
| Marcy Engel | Director | – | Aug 3, 2026 |
| David Christopher Ryan | Director | 1,092 | May 8, 2026 |
| Karen L. Alvingham | Director | 13,043 | Mar 9, 2026 |
| Dwight D. Churchill | Director | 29,030 | Aug 18, 2025 |
| Reuben Jeffery III | Director | 34,274 | Jan 3, 2025 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Rodriguez Felix V. Matos Director | Aug 15, 2026 | Option exercise | +848 | – | – | 5,217 |
| Loren M. Starr Director | Aug 15, 2026 | Option exercise | +716 | – | – | 2,653 |
| Annette Franqui Director | Aug 15, 2026 | Option exercise | +477 | – | – | 2,439 |
| Tracy P. Palandjian Director | Aug 15, 2026 | Option exercise | +848 | – | – | 18,375 |
| Rodriguez Felix V. Matos Director | Aug 15, 2026 | Option exercise | +654 | – | – | 5,023 |
| Tracy P. Palandjian Director | Jun 12, 2026 | Option exercise | +2,958 | $82.07 | $242.76K | 18,212 |
| Tracy P. Palandjian Director | Jun 12, 2026 | Tax withholding | −685 | $354.62 | $242.91K | 17,527 |
| Jay C. Horgen President and CEO, Director | Jun 8, 2026 | Tax withholding | −39,671 | $336.62 | $13.35M | 222,206 |
| Jay C. Horgen President and CEO, Director | Jun 8, 2026 | Option exercise | +75,000 | $74.49 | $5.59M | 261,877 |
| Jay C. Horgen President and CEO, Director | Jun 8, 2026 | Sale | −17,500 | $338.27 | $5.92M | 204,706 |
| Annette Franqui Director | Jun 1, 2026 | Buy | +750 | $304.88 | $228.66K | 1,962 |
| Rodriguez Felix V. Matos Director | May 8, 2026 | Sale | −1,000 | $300.18 | $300.18K | 4,369 |
| David Christopher Ryan Director | May 6, 2026 | Sale | −3,402 | $305.06 | $1.04M | 1,092 |
| G. Staley Cates Director | May 6, 2026 | Buy | +1,500 | $305.83 | $458.75K | 6,405 |
| Kavita Padiyar General Counsel & Corp. Sec. | Mar 9, 2026 | Sale | −2,200 | $278.24 | $612.13K | 42,672 |
| Thomas M. Wojcik President and COO | Mar 6, 2026 | Sale | −8,000 | $286.30 | $2.29M | 159,465 |
| David Christopher Ryan Director | Mar 5, 2026 | Option exercise | +867 | – | – | 4,494 |
| Tracy P. Palandjian Director | Mar 5, 2026 | Option exercise | +867 | – | – | 15,254 |
| Rodriguez Felix V. Matos Director | Mar 5, 2026 | Option exercise | +867 | – | – | 5,369 |
| Thomas M. Wojcik President and COO | Mar 5, 2026 | Tax withholding | −9,136 | $299.18 | $2.73M | 167,465 |
| Thomas M. Wojcik President and COO | Mar 5, 2026 | Award | +10,619 | – | – | 176,601 |
| Thomas M. Wojcik President and COO | Mar 5, 2026 | Option exercise | +7,272 | – | – | 165,982 |
| Kavita Padiyar General Counsel & Corp. Sec. | Mar 5, 2026 | Tax withholding | −2,282 | $299.18 | $682.73K | 44,872 |
| Kavita Padiyar General Counsel & Corp. Sec. | Mar 5, 2026 | Option exercise | +2,288 | – | – | 44,728 |
| Kavita Padiyar General Counsel & Corp. Sec. | Mar 5, 2026 | Award | +2,426 | – | – | 47,154 |
| Loren M. Starr Director | Mar 5, 2026 | Option exercise | +652 | – | – | 1,937 |
| Karen L. Alvingham Director | Mar 5, 2026 | Tax withholding | −67 | $299.18 | $20.05K | 13,043 |
| Karen L. Alvingham Director | Mar 5, 2026 | Option exercise | +867 | – | – | 13,110 |
| Dava Ritchea Chief Financial Officer | Mar 5, 2026 | Tax withholding | −292 | $299.18 | $87.36K | 309 |
| Dava Ritchea Chief Financial Officer | Mar 5, 2026 | Option exercise | +601 | – | – | 601 |
| Jay C. Horgen Chief Executive Officer, Director | Mar 5, 2026 | Option exercise | +17,563 | – | – | 327,950 |
| Jay C. Horgen Chief Executive Officer, Director | Mar 5, 2026 | Award | +27,260 | – | – | 355,210 |
| Jay C. Horgen Chief Executive Officer, Director | Mar 5, 2026 | Tax withholding | −18,333 | $299.18 | $5.48M | 336,877 |
| Annette Franqui Director | Mar 5, 2026 | Option exercise | +548 | – | – | 1,212 |
| Jay C. Horgen Chief Executive Officer, Director | Dec 23, 2025 | Gift | −4,000 | – | – | 510,387 |
| Tracy P. Palandjian Director | Nov 25, 2025 | Gift | −3,499 | – | – | 14,387 |
| Karen L. Alvingham Director | Nov 7, 2025 | Option exercise | +560 | $69.63 | $38.99K | 12,425 |
| Karen L. Alvingham Director | Nov 7, 2025 | Tax withholding | −182 | $259.26 | $47.19K | 12,243 |
| Thomas M. Wojcik President and COO | Sep 9, 2025 | Sale | −16,000 | $231.03 | $3.70M | 158,710 |
| Thomas M. Wojcik President and COO | Sep 8, 2025 | Option exercise | +169,303 | $74.49 | $12.61M | 288,718 |
| Thomas M. Wojcik President and COO | Sep 8, 2025 | Tax withholding | −114,008 | $231.19 | $26.36M | 174,710 |
| Jay C. Horgen Chief Executive Officer, Director | Sep 2, 2025 | Tax withholding | −44,935 | $229.97 | $10.33M | 514,387 |
| Jay C. Horgen Chief Executive Officer, Director | Sep 2, 2025 | Option exercise | +75,000 | $74.49 | $5.59M | 559,322 |
| Kavita Padiyar General Counsel & Corp. Sec. | Sep 2, 2025 | Tax withholding | −30,991 | $229.97 | $7.13M | 42,440 |
| Kavita Padiyar General Counsel & Corp. Sec. | Sep 2, 2025 | Option exercise | +47,731 | $73.81 | $3.52M | 73,431 |
| David Christopher Ryan Director | Aug 15, 2025 | Option exercise | +1,092 | – | – | 3,627 |
| Rodriguez Felix V. Matos Director | Aug 15, 2025 | Option exercise | +1,102 | – | – | 4,502 |
| Annette Franqui Director | Aug 15, 2025 | Option exercise | +664 | – | – | 664 |
| Karen L. Alvingham Director | Aug 15, 2025 | Option exercise | +1,092 | – | – | 11,949 |
| Karen L. Alvingham Director | Aug 15, 2025 | Tax withholding | −84 | $218.70 | $18.37K | 11,865 |
| Tracy P. Palandjian Director | Aug 15, 2025 | Option exercise | +1,117 | – | – | 17,886 |
| Loren M. Starr Director | Aug 15, 2025 | Option exercise | +544 | – | – | 1,285 |
| Dwight D. Churchill Director | Aug 15, 2025 | Option exercise | +1,398 | – | – | 29,030 |
| Jay C. Horgen Chief Executive Officer, Director | Aug 12, 2025 | Option exercise | +75,000 | $74.49 | $5.59M | 529,929 |
| Jay C. Horgen Chief Executive Officer, Director | Aug 12, 2025 | Tax withholding | −45,607 | $219.70 | $10.02M | 484,322 |
| Jay C. Horgen Chief Executive Officer, Director | Jul 2, 2025 | Gift | +14,000 | – | – | 34,058 |
| Jay C. Horgen Chief Executive Officer, Director | Jul 2, 2025 | Gift | −14,000 | – | – | 454,929 |
| Jay C. Horgen Chief Executive Officer, Director | Jul 1, 2025 | Option exercise | +75,000 | $74.49 | $5.59M | 516,120 |
| Jay C. Horgen Chief Executive Officer, Director | Jul 1, 2025 | Tax withholding | −47,191 | $198.72 | $9.38M | 468,929 |
| Tracy P. Palandjian Director | May 12, 2025 | Option exercise | +1,361 | $86.78 | $118.11K | 19,660 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Ryan David Director | Jun 30, 2026 | 305 | $104.93K | Jun 30, 2026 | Exercise of Options Under a Registered Plan |
| Horgen Jay Officer | Jun 8, 2026 | 17,500 | $5.92M | Jun 8, 2026 | Restricted Stock Vesting Under a Registered Plan |
| V. Matos Rodriguez Felix Director | May 8, 2026 | 1,000 | $300.18K | May 8, 2026 | Restricted stock vesting under a registered plan |
| Ryan David Director | May 6, 2026 | 3,402 | $1.04M | May 6, 2026 | Restricted stock vesting under a registered plan |
| Thomas M. Wojcik Officer | Mar 9, 2026 | 46,878 | $13.08M | Mar 9, 2026 | Stock Award |
| Padiyar Kavita Officer | Mar 9, 2026 | 2,200 | $612.12K | Mar 9, 2026 | Restricted stock vesting under a registered plan |
| Wojcik Thomas Officer | Mar 6, 2026 | 8,000 | $2.29M | Mar 6, 2026 | Restricted stock vesting under a registered plan |
| Wojcik Thomas Officer | Sep 9, 2025 | 16,000 | $3.70M | Sep 9, 2025 | Exercise of options under a registered plan |
| M. Jamal Rizwan Former Officer | Mar 10, 2025 | 14,669 | $2.30M | Mar 10, 2025 | Transfer to Rizwan M. Jamal Revocable Trust |
| Jay C. Horgen Officer | Aug 19, 2024 | 18,300 | $3.16M | Aug 19, 2024 | Stock Award |
| Thomas M. Wojcik Officer | Aug 16, 2024 | 4,786 | $820.70K | Aug 16, 2024 | Stock Award |
| M. Jamal Rizwan Affiliate | Aug 16, 2024 | 8,622 | $1.48M | Aug 16, 2024 | RSU vesting |