| $550M | ||
| $248M | ||
| $183M | ||
| $155M | ||
| $119M | ||
| $68M |
Buys | $0 | 0 | 0 |
Sells | $3,696,480 | 1 | 100 |
| Wojcik Thomas M | President and COO | 0 | $0 | 1 | $3.7M | $-3.7M |
Affiliated Managers Group, Inc., through its affiliates, operates as an asset management company providing investment management services to mutual funds, institutional clients, and high net worth individuals in the United States. It provides advisory or subadvisory services to mutual funds. These funds are distributed to retail and institutional clients directly and through intermediaries, including independent investment advisors, retirement plan sponsors, broker-dealers, major fund marketplaces, and bank trust departments. The company also offers investment products in various investment styles in the institutional distribution channel, including small, small/mid, mid, and large capitalization value and growth equity, and emerging markets. In addition, it offers quantitative, alternative, and fixed income products, and manages assets for foundations and endowments, defined benefit, and defined contribution plans for corporations and municipalities. Affiliated Managers Group provides investment management or customized investment counseling and fiduciary services. Affiliated Managers Group, Inc. was formed in 1993 and is based in West Palm Beach, Florida with additional offices in Prides Crossing, Massachusetts; Stamford, Connecticut; London, United Kingdom; Dubai, United Arab Emirates; Sydney, Australia; Hong Kong; Tokyo, Japan, Zurich, Switzerland and Delaware.
Over the last 12 months, insiders at Affiliated Managers Group, Inc. have bought $0 and sold $3.7M worth of Affiliated Managers Group, Inc. stock.
On average, over the past 5 years, insiders at Affiliated Managers Group, Inc. have bought $1.31M and sold $4.57M worth of stock each year.
There was no buying activity among insiders over the last 12 months.
The last purchase of 3,650 shares for transaction amount of $500,817 was made by Jeffery Reuben III (director) on 2023‑03‑16.
| 2025-09-09 | Sale | Wojcik Thomas M | President and COO | 16,000 0.0561% | $231.03 | $3.7M | +14.74% | |
| 2024-08-20 | Sale | Horgen Jay C. | President and CEO | 9,300 0.0311% | $169.93 | $1.58M | +7.15% | |
| 2024-08-19 | Sale | Horgen Jay C. | President and CEO | 9,000 0.0302% | $171.98 | $1.55M | +6.01% | |
| 2024-08-16 | Sale | Jamal Rizwan M | Head of Affiliate Investments | 8,622 0.0305% | $172.89 | $1.49M | +5.74% | |
| 2024-08-16 | Sale | Wojcik Thomas M | Chief Operating Officer | 4,786 0.0169% | $172.71 | $826,590 | +5.74% | |
| 2023-03-16 | Jeffery Reuben III | director | 3,650 0.0102% | $137.21 | $500,817 | +3.58% | ||
| 2022-02-22 | Palandjian Tracy P. | director | 3,700 0.0093% | $137.67 | $509,379 | -3.31% | ||
| 2022-02-15 | Jeffery Reuben III | director | 3,500 0.0088% | $143.96 | $503,860 | -8.10% | ||
| 2021-12-03 | Jamal Rizwan M | Head of Affiliate Investments | 3,000 0.0076% | $171.47 | $514,410 | -19.81% | ||
| 2021-12-03 | Erickson John R | Head of Affiliate Engagement | 3,000 0.0076% | $169.95 | $509,850 | -19.81% | ||
| 2021-11-02 | Jeffery Reuben III | director | 2,700 0.0067% | $188.39 | $508,653 | -29.20% | ||
| 2021-09-14 | Horgen Jay C. | President and CEO | 2,000 0.0049% | $158.01 | $316,020 | -11.31% | ||
| 2021-08-02 | Churchill Dwight D. | director | 1,000 0.0024% | $160.89 | $160,890 | -8.28% | ||
| 2021-05-04 | Jeffery Reuben III | director | 2,500 0.0059% | $160.49 | $401,225 | -1.97% | ||
| 2021-02-10 | Jeffery Reuben III | director | 2,500 0.0059% | $145.53 | $363,825 | +11.14% | ||
| 2021-02-09 | Horgen Jay C. | President and CEO | 4,000 0.009% | $136.23 | $544,920 | +12.89% | ||
| 2020-09-15 | Churchill Dwight D. | director | 1,000 0.0022% | $65.25 | $65,250 | +126.23% | ||
| 2020-09-09 | Atkinson Tracy A | director | 1,469 0.0032% | $68.46 | $100,568 | +112.66% | ||
| 2020-09-04 | Jeffery Reuben III | director | 5,000 0.0107% | $70.16 | $350,800 | +105.05% | ||
| 2020-09-03 | Churchill Dwight D. | director | 1,000 0.0022% | $71.99 | $71,990 | +105.25% |
| Wojcik Thomas M | President and COO | 158710 0.5642% | $51.17M | 1 | 2 | <0.0001% |
| Horgen Jay C. | President and CEO | 367976 1.3082% | $118.65M | 7 | 16 | +22.03% |
| DALTON NATHANIEL | director | 208346 0.7407% | $67.18M | 0 | 25 | |
| NUTT WILLIAM J | director | 131478 0.4674% | $42.39M | 0 | 51 | |
| Jamal Rizwan M | Head of Affiliate Investments | 128457 0.4567% | $41.42M | 1 | 1 | <0.0001% |
| HEALEY SEAN M | Executive Chairman | 90806 0.3228% | $29.28M | 0 | 27 | |
| BRENNAN SETH W | Executive Vice President | 36985 0.1315% | $11.93M | 0 | 7 | |
| Jeffery Reuben III | director | 31726 0.1128% | $10.23M | 7 | 0 | +13.42% |
| FLOOR RICHARD E | director | 29000 0.1031% | $9.35M | 0 | 2 | |
| Byrne Samuel T | director | 28092 0.0999% | $9.06M | 3 | 1 | <0.0001% |
| MacEwen Peter W | Chief Administrative Officer | 27682 0.0984% | $8.93M | 0 | 1 | |
| Erickson John R | Head of Affiliate Engagement | 23717 0.0843% | $7.65M | 1 | 0 | <0.0001% |
| Zeitlin Jide James | director | 21274 0.0756% | $6.86M | 0 | 2 | |
| KINGSTON JOHN III | Vice Chairman & Gen. Counsel | 15325 0.0545% | $4.94M | 0 | 11 | |
| RODRIGUEZ RITA M | director | 14652 0.0521% | $4.72M | 0 | 6 | |
| Churchill Dwight D. | director | 13635 0.0485% | $4.4M | 6 | 5 | +43.36% |
| Ryan Patrick T | director | 13269 0.0472% | $4.28M | 0 | 6 | |
| Palandjian Tracy P. | director | 8924 0.0317% | $2.88M | 1 | 1 | <0.0001% |
| Cutler Hugh | EVP, Global Distribution | 8262 0.0294% | $2.66M | 3 | 3 | <0.0001% |
| LOCKWOOD STEPHEN J | director | 7500 0.0267% | $2.42M | 0 | 1 | |
| CRATE DARRELL W | Executive V.P. and CFO | 3111 0.0111% | $1M | 0 | 14 | |
| PUFF ROBERT C JR | director | 2000 0.0071% | $644,874.00 | 1 | 0 | +21.77% |
| MEYERMAN HAROLD J | director | 1800 0.0064% | $580,386.60 | 0 | 10 | |
| Atkinson Tracy A | director | 1469 0.0052% | $473,659.95 | 1 | 0 | +112.66% |
| WELD WILLIAM F | director | 0 0% | $0 | 0 | 1 | |
| Dyson Andrew | EVP(AMG Ltd.), Global Distrib. | 0 0% | $0 | 0 | 1 |
$17,476,892 | 972 | 11.53% | $5.3B | |
$42,475,120 | 357 | 2.69% | $3.71B | |
$39,199,004 | 197 | 9.89% | $13.86B | |
$8,744,129 | 34 | 24.21% | $3.37B | |
Affiliated Managers Group, Inc. (AMG) | $10,177,276 | 30 | 16.35% | $9.07B |
$185,246,379 | 29 | 12.42% | $11.75B | |
$19,862,683 | 26 | 9.49% | $4.89B | |
$151,207,616 | 24 | 8.38% | $4.58B | |
$2,277,171 | 23 | 10.73% | $35.76B | |
$6,563,062 | 17 | 26.18% | $9.68B | |
$15,176,457 | 15 | 36.98% | $6.94B | |
$129,759,953 | 11 | 11.94% | $19.55B | |
$34,867,882 | 9 | 5.82% | $4.26B | |
$1,091,888 | 8 | 14.66% | $20.51B | |
$11,333,496 | 7 | 1.97% | $14.33B | |
$2,641,108 | 4 | 11.34% | $6.69B | |
$69,511,423 | 4 | -12.97% | $7.63B | |
$746,400 | 2 | -12.40% | $18.9B | |
$687,474 | 1 | -11.26% | $15.59B |
| Increased Positions | 241 | +48.79% | 2M | +6.98% |
| Decreased Positions | 200 | -40.49% | 3M | -10% |
| New Positions | 78 | New | 613,292 | New |
| Sold Out Positions | 38 | Sold Out | 261,744 | Sold Out |
| Total Postitions | 535 | +8.3% | 26M | -3.02% |
| Blackrock, Inc. | $815,093.00 | 10.08% | 2.82M | -845 | -0.03% | 2025-09-30 |
| Vanguard Group Inc | $800,773.00 | 9.9% | 2.77M | -39,836 | -1.42% | 2025-09-30 |
| Morgan Stanley | $560,807.00 | 6.93% | 1.94M | -75,976 | -3.77% | 2025-09-30 |
| Ariel Investments, Llc | $365,056.00 | 4.51% | 1.26M | -91,251 | -6.73% | 2025-09-30 |
| Clarkston Capital Partners, Llc | $355,959.00 | 4.4% | 1.23M | -203,021 | -14.14% | 2025-09-30 |
| Boston Partners | $334,299.00 | 4.13% | 1.16M | +24,217 | +2.14% | 2025-09-30 |
| Millennium Management Llc | $293,793.00 | 3.63% | 1.02M | -552,213 | -35.19% | 2025-09-30 |
| State Street Corp | $278,367.00 | 3.44% | 963,708 | -17,181 | -1.75% | 2025-09-30 |
| Dimensional Fund Advisors Lp | $197,607.00 | 2.44% | 684,116 | +7,891 | +1.17% | 2025-09-30 |
| Citadel Advisors Llc | $186,349.00 | 2.3% | 645,141 | +5,353 | +0.84% | 2025-09-30 |