Who Owns AMG?
Affiliated Managers Group, Inc. — Institutional Ownership & 13F Holdings
$293.68
+2.10 (+0.72%)
Market Cap
$8.0B
Shares Outstanding
26,684,730
Institutional Holders
391
Total Inst. Value
$3.7B
% of Float Held
106.8%
QoQ Holder Change
+79
Institutional data as of Q1 2025
New Positions
64
Closed Positions
50
Increased
107
Decreased
156
Institutional Ownership Trend
Top 10 Institutional Holders(Q1 2025)
| # | Fund | Value | Shares |
|---|---|---|---|
| 1 | VANGUARD GROUP INC | $503.2M | 2,994,549 |
| 2 | BlackRock, Inc. | $493.3M | 2,935,775 |
| 3 | MORGAN STANLEY | $385.5M | 2,294,529 |
| 4 | Clarkston Capital Partners, LLC | $266.4M | 1,585,324 |
| 5 | STATE STREET CORP | $167.7M | 997,930 |
| 6 | NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | $123.9M | 737 |
| 7 | DIMENSIONAL FUND ADVISORS LP | $119.2M | 709,366 |
| 8 | FULLER & THALER ASSET MANAGEMENT, INC. | $93.3M | 555,231 |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | $91.2M | 542,693 |
| 10 | SOUTHEASTERN ASSET MANAGEMENT INC/TN/ | $80.6M | 479,771 |
Biggest Buyers & Sellers This Quarter
Top Buyers
| Fund | Shares Added | Value |
|---|---|---|
| MORGAN STANLEY | +15K | $385.5M |
| Clarkston Capital Partners, LLC | +13K | $266.4M |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | +78 | $123.9M |
| FULLER & THALER ASSET MANAGEMENT, INC. | +1K | $93.3M |
| GEODE CAPITAL MANAGEMENT, LLC | +21K | $91.2M |
Top Sellers
| Fund | Shares Removed | Value |
|---|---|---|
| SOUTHEASTERN ASSET MANAGEMENT INC/TN/ | -223K | $80.6M |
| VANGUARD GROUP INC | -217K | $503.2M |
| Invesco Ltd. | -133K | $22.6M |
| LGT CAPITAL PARTNERS LTD. | -77K | $33.1M |
| Channing Capital Management, LLC | -70K | $74.6M |
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Frequently Asked Questions
How many institutional investors hold AMG?
As of Q1 2025, 391 institutional investors report holding AMG (Affiliated Managers Group, Inc.) in their 13F filings.
What percentage of Affiliated Managers Group, Inc. is owned by institutions?
Institutional investors hold approximately 106.8% of Affiliated Managers Group, Inc.'s float as reported in SEC 13F filings.
Which hedge fund owns the most AMG?
The largest institutional holder of AMG is VANGUARD GROUP INC with $503.2M in shares.
Are institutions buying or selling AMG?
This quarter, 64 institutions opened new positions in AMG and 50 closed their positions.
What is 13F institutional ownership?
SEC Form 13F is a quarterly report filed by institutional investment managers with over $100M in qualifying assets. It discloses their US equity holdings, providing transparency into what the largest investors are buying and selling.
How often is institutional ownership data updated?
13F filings are due 45 days after each calendar quarter end (May 15, Aug 14, Nov 14, Feb 14). Data is updated on HedgeTrace as new filings are processed.