AFFILIATED MANAGERS GROUP COM is a security (CUSIP 008252108) tracked across SEC portfolio filings. 570 institutional managers reported $6.7B on Form 13F as of 2026-06-30; 37 registered fund positions totaling $555.0M via N-PORT as of 2026-05-31.
Showing 15 of 570 managers by value.
| Manager | Location | Value | Shares |
|---|---|---|---|
| BlackRock, Inc. | New York, NY | $793.5M | 2,867,665 |
| VANGUARD GROUP INC | Valley Forge, PA | $773.6M | 2,683,585 |
| MORGAN STANLEY | NEW YORK, NY | $479.4M | 1,732,512 |
| Boston Partners | BOSTON, MA | $339.1M | 1,001,967 |
| ARIEL INVESTMENTS, LLC | CHICAGO, IL | $294.4M | 1,064,030 |
| STATE STREET CORP | BOSTON, MA | $256.4M | 926,733 |
| FULLER & THALER ASSET MANAGEMENT, INC. | San Mateo, CA | $210.4M | 760,213 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $198.7M | 718,313 |
| GEODE CAPITAL MANAGEMENT, LLC | BOSTON, MA | $176.0M | 635,778 |
| LYRICAL ASSET MANAGEMENT LP | NEW YORK, NY | $138.9M | 502,121 |
| Allianz Asset Management GmbH | MUNICH, 2M | $135.2M | 488,742 |
| BANK OF AMERICA CORP /DE/ | CHARLOTTE, NC | $113.3M | 409,578 |
| Channing Capital Management, LLC | Chicago, IL | $102.4M | 302,514 |
| NORTHERN TRUST CORP | CHICAGO, IL | $96.5M | 348,882 |
| Clarkston Capital Partners, LLC | BLOOMFIELD HILLS, MI | $86.8M | 313,708 |
Showing 15 of 37 fund positions by value.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| State Street SPDR S&P MidCap 400SM ETF Trust | SPDR S&P MIDCAP 400 ETF TRUST | $234.7M | 96.90% |
| Ariel Fund | Ariel Investment Trust | $93.0M | 363.26% |
| VANGUARD EXTENDED MARKET INDEX FUND | VANGUARD INDEX FUNDS | $86.9M | 10.66% |
| VANGUARD STRATEGIC EQUITY FUND | VANGUARD HORIZON FUNDS | $45.9M | 45.35% |
| AB DISCOVERY GROWTH FUND, INC. | AB DISCOVERY GROWTH FUND, INC. | $25.5M | 94.57% |
| LORD ABBETT MID CAP STOCK FUND INC | LORD ABBETT MID CAP STOCK FUND INC | $16.3M | 150.26% |
| CALAMOS STRATEGIC TOTAL RETURN FUND | CALAMOS STRATEGIC TOTAL RETURN FUND | $10.4M | 29.97% |
| Columbia Mid Cap Index Fund | COLUMBIA FUNDS SERIES TRUST | $6.1M | 23.95% |
| Large Cap Index Master Portfolio | Master Investment Portfolio | $4.6M | 1.27% |
| VANGUARD BALANCED INDEX FUND | VANGUARD VALLEY FORGE FUNDS | $4.0M | 0.67% |
| T. Rowe Price Financial Services Fund, Inc. | T. ROWE PRICE FINANCIAL SERVICES FUND, INC. | $3.9M | 22.19% |
| VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND | VANGUARD INSTITUTIONAL INDEX FUNDS | $3.4M | 1.11% |
| BNY Mellon Midcap Index Fund, Inc. | BNY MELLON MIDCAP INDEX FUND, INC. | $3.3M | 23.95% |
| VANGUARD MARKET NEUTRAL FUND | VANGUARD MONTGOMERY FUNDS | $3.1M | 70.96% |
| Reinhart Mid Cap PMV Fund | Managed Portfolio Series | $2.9M | 329.17% |