| $705M | ||
| $677M | ||
| $350M | ||
| $213M | ||
| $93M | ||
| $77M |
Buys | $458,745 | 1 | 17 |
Sells | $10,160,247 | 5 | 83 |
| Cates G. Staley | director | 1 | $458,745 | 0 | $0 | $458,745 |
| Matos Rodriguez Felix V. | director | 0 | $0 | 1 | $300,180 | $-300,180 |
| Padiyar Kavita | General Counsel & Corp. Sec. | 0 | $0 | 1 | $612,128 | $-612,128 |
| Ryan David Christopher | director | 0 | $0 | 1 | $1.04M | $-1.04M |
| Wojcik Thomas M | President and COO | 0 | $0 | 1 | $2.29M | $-2.29M |
| Horgen Jay C. | President and CEO | 0 | $0 | 1 | $5.92M | $-5.92M |
Affiliated Managers Group, Inc. (AMG) functions as an asset management firm, leveraging its network of affiliates to provide comprehensive investment management solutions. Its primary clientele in the United States includes mutual funds, institutional investors, and high-net-worth individuals. AMG additionally offers advisory and subadvisory services to mutual funds, which are distributed to retail and institutional clients through direct channels and a wide range of intermediaries. These intermediaries encompass independent financial advisors, …
Over the last 12 months, insiders at Affiliated Managers Group, Inc. have bought $458,745 and sold $10.16M worth of Affiliated Managers Group, Inc. stock.
On average, over the past 5 years, insiders at Affiliated Managers Group, Inc. have bought $999,020 and sold $6.43M worth of stock each year.
Highest buying activity among insiders over the last 12 months: Cates G. Staley (director) — $458,745.
The last purchase of 1,500 shares for transaction amount of $458,745 was made by Cates G. Staley (director) on 2026‑05‑06.
| 2026-06-08 | Sale | Horgen Jay C. | President and CEO | 17,500 0.0665% | $338.27 | $5.92M | +8.62% | |
| 2026-05-08 | Sale | Matos Rodriguez Felix V. | director | 1,000 0.0038% | $300.18 | $300,180 | +18.99% | |
| 2026-05-06 | Sale | Ryan David Christopher | director | 3,402 0.0127% | $305.06 | $1.04M | +17.72% | |
| 2026-05-06 | Cates G. Staley | director | 1,500 0.0057% | $305.83 | $458,745 | +17.72% | ||
| 2026-03-09 | Sale | Padiyar Kavita | General Counsel & Corp. Sec. | 2,200 0.0076% | $278.24 | $612,128 | +25.36% | |
| 2026-03-06 | Sale | Wojcik Thomas M | President and COO | 8,000 0.0285% | $286.30 | $2.29M | +23.50% | |
| 2025-09-09 | Sale | Wojcik Thomas M | President and COO | 16,000 0.0561% | $231.03 | $3.7M | +29.84% | |
| 2024-08-20 | Sale | Horgen Jay C. | President and CEO | 9,300 0.0311% | $169.93 | $1.58M | +7.14% | |
| 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% |
| Horgen Jay C. | President and CEO | 204706 0.7916% | $75.63M | 7 | 17 | +22.03% |
| Wojcik Thomas M | President and COO | 159465 0.6166% | $58.92M | 1 | 3 | <0.0001% |
| Cates G. Staley | director | 6405 0.0248% | $2.37M | 1 | 0 | |
| Jamal Rizwan M | Head of Affiliate Investments | 128457 0.4967% | $47.46M | 1 | 1 | <0.0001% |
| Jeffery Reuben III | director | 31726 0.1227% | $11.72M | 7 | 0 | +13.42% |
| Byrne Samuel T | director | 28092 0.1086% | $10.38M | 3 | 1 | <0.0001% |
| Erickson John R | Head of Affiliate Engagement | 23717 0.0917% | $8.76M | 1 | 0 | <0.0001% |
| Churchill Dwight D. | director | 13635 0.0527% | $5.04M | 6 | 5 | +43.35% |
| Palandjian Tracy P. | director | 8924 0.0345% | $3.3M | 1 | 1 | <0.0001% |
| Cutler Hugh | EVP, Global Distribution | 8262 0.0319% | $3.05M | 3 | 3 | <0.0001% |
| PUFF ROBERT C JR | director | 2000 0.0077% | $738,920.00 | 1 | 0 | +21.77% |
| Atkinson Tracy A | director | 1469 0.0057% | $542,736.74 | 1 | 0 | +112.66% |
$17,726,772 | 973 | 11.49% | $5.27B | |
$297,419,436 | 491 | 10.29% | $3.31B | |
$40,533,374 | 200 | 9.71% | $13.73B | |
$325,736,276 | 99 | 19.25% | $42.34B | |
$11,590,445 | 37 | 22.20% | $3.76B |
| Increased Positions | 250 | +49.41% | 2M | +6.77% |
| Decreased Positions | 204 | -40.32% | 4M | -13.28% |
| New Positions | 96 | New | 876,710 | New |
| Sold Out Positions | 34 | Sold Out | 198,347 | Sold Out |
| Total Postitions | 552 | +9.09% | 26M | -6.51% |
| 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 |