AFFILIATED MANAGERS GROUP, INC. - Common Stock (AMG)
CUSIP: 008252108
Q3 2025 13F Holders as of 30 Sep 2025
- Type / Class
- Equity / Common Stock
- Shares outstanding
- 26,701,627
- Total 13F shares
- 26,411,009
- Share change
- -374,008
- Total reported value
- $6,299,567,420
- Put/Call ratio
- 76%
- Price per share
- $238.43
- Number of holders
- 445
- Value change
- -$66,089,846
- Number of buys
- 197
- Number of sells
- 198
Quarterly Holders Quick Answers
What is CUSIP 008252108?
CUSIP 008252108 identifies AMG - AFFILIATED MANAGERS GROUP, INC. - Common Stock in SEC institutional holdings data.
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Recent filing periods for CUSIP 008252108:
Top shareholders of AMG - AFFILIATED MANAGERS GROUP, INC. - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
|
Company |
11%
|
2,822,700
|
$555,422,730 | — | 30 Jun 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
11%
|
2,812,114
|
$553,339,671 | — | 30 Jun 2025 | |
| MORGAN STANLEY |
13D/G
13F
|
Company |
7%
|
1,983,387
|
$472,898,962 | $0 | 30 Sep 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
5.9%
|
1,569,326
|
$308,796,277 | — | 30 Jun 2025 | |
| Clarkston Capital Partners, LLC |
13F
|
Company |
5.4%
|
1,435,354
|
$282,434,607 | — | 30 Jun 2025 | |
| ARIEL INVESTMENTS, LLC |
13F
|
Company |
5.1%
|
1,355,075
|
$266,638,107 | — | 30 Jun 2025 | |
| INTEGRATED CORE STRATEGIES (US) LLC |
13D/G
|
Millennium Management LLC |
3.6%
|
1,017,113
|
$242,510,253 | -$116,590,124 | 30 Sep 2025 | |
| Boston Partners |
13F
|
Company |
4.2%
|
1,133,127
|
$223,011,102 | — | 30 Jun 2025 | |
| STATE STREET CORP |
13F
|
Company |
3.7%
|
980,889
|
$193,009,529 | — | 30 Jun 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
2.5%
|
676,225
|
$133,064,514 | — | 30 Jun 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
2.4%
|
639,788
|
$125,891,085 | — | 30 Jun 2025 | |
| FULLER & THALER ASSET MANAGEMENT, INC. |
13F
|
Company |
2.1%
|
570,857
|
$112,327,493 | — | 30 Jun 2025 | |
| LYRICAL ASSET MANAGEMENT LP |
13F
|
Company |
2%
|
539,040
|
$106,066,901 | — | 30 Jun 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
1.9%
|
504,358
|
$99,257,554 | — | 30 Jun 2025 | |
| LSV ASSET MANAGEMENT |
13F
|
Company |
1.8%
|
476,224
|
$93,707,000 | — | 30 Jun 2025 | |
| Channing Capital Management, LLC |
13F
|
Company |
1.6%
|
430,464
|
$84,702,401 | — | 30 Jun 2025 | |
| NORGES BANK |
13F
|
Company |
1.4%
|
364,786
|
$71,778,941 | — | 30 Jun 2025 | |
| Allianz Asset Management GmbH |
13F
|
Company |
1.3%
|
342,942
|
$67,480,697 | — | 30 Jun 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
1.3%
|
335,151
|
$65,947,664 | — | 30 Jun 2025 | |
| BALYASNY ASSET MANAGEMENT L.P. |
13F
|
Company |
1.2%
|
311,383
|
$61,270,833 | — | 30 Jun 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
1.2%
|
311,367
|
$61,267,685 | — | 30 Jun 2025 | |
| Kiltearn Partners LLP |
13F
|
Company |
1.1%
|
300,114
|
$59,053,432 | — | 30 Jun 2025 | |
| BRUNI J V & CO /CO |
13F
|
Company |
1.1%
|
293,735
|
$57,798,236 | — | 30 Jun 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.96%
|
255,779
|
$50,329,546 | — | 30 Jun 2025 | |
| FIRST TRUST ADVISORS LP |
13F
|
Company |
0.88%
|
234,679
|
$46,177,786 | — | 30 Jun 2025 | |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
|
Company |
0.88%
|
234,080
|
$46,061,000 | — | 30 Jun 2025 | |
| Rizwan M. Jamal |
3/4/5
|
Head of Affiliate Investments |
—
mixed-class rows
|
634,472
mixed-class rows
|
$37,117,022 | — | 16 Oct 2024 | |
| FMR LLC |
13F
|
Company |
0.7%
|
185,985
|
$36,596,281 | — | 30 Jun 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.69%
|
184,640
|
$36,331,558 | — | 30 Jun 2025 | |
| UBS Group AG |
13F
|
Company |
0.66%
|
177,441
|
$34,915,065 | — | 30 Jun 2025 | |
| Fisher Asset Management, LLC |
13F
|
Company |
0.63%
|
168,374
|
$33,131,047 | — | 30 Jun 2025 | |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC |
13F
|
Company |
0.6%
|
160,277
|
$31,537,705 | — | 30 Jun 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.52%
|
138,865
|
$27,326,039 | — | 30 Jun 2025 | |
| NEW YORK STATE COMMON RETIREMENT FUND |
13F
|
Company |
0.47%
|
126,415
|
$24,874,680 | — | 30 Jun 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.45%
|
121,104
|
$23,829,639 | — | 30 Jun 2025 | |
| RAYMOND JAMES FINANCIAL INC |
13F
|
Company |
0.44%
|
117,747
|
$23,169,079 | — | 30 Jun 2025 | |
| Bridgewater Associates, LP |
13F
|
Company |
0.41%
|
110,248
|
$21,693,499 | — | 30 Jun 2025 | |
| VICTORY CAPITAL MANAGEMENT INC |
13F
|
Company |
0.4%
|
107,345
|
$21,122,276 | — | 30 Jun 2025 | |
| NORTH STAR ASSET MANAGEMENT INC |
13F
|
Company |
0.38%
|
102,081
|
$20,086,478 | — | 30 Jun 2025 | |
| Holocene Advisors, LP |
13F
|
Company |
0.38%
|
100,953
|
$19,864,522 | — | 30 Jun 2025 | |
| JACOBS LEVY EQUITY MANAGEMENT, INC |
13F
|
Company |
0.38%
|
100,422
|
$19,760,037 | — | 30 Jun 2025 | |
| Retirement Systems of Alabama |
13F
|
Company |
0.36%
|
97,232
|
$19,132,341 | — | 30 Jun 2025 | |
| Treasurer of the State of North Carolina |
13F
|
Company |
0.36%
|
96,177
|
$18,925,000 | — | 30 Jun 2025 | |
| BARCLAYS PLC |
13F
|
Company |
0.36%
|
94,843
|
$18,662,256 | — | 30 Jun 2025 | |
| MACQUARIE GROUP LTD |
13F
|
Company |
0.34%
|
89,470
|
$17,605,000 | — | 30 Jun 2025 | |
| Invesco Ltd. |
13F
|
Company |
0.31%
|
82,261
|
$16,186,498 | — | 30 Jun 2025 | |
| Goodman Financial Corp |
13F
|
Company |
0.31%
|
82,256
|
$16,185,609 | — | 30 Jun 2025 | |
| RHUMBLINE ADVISERS |
13F
|
Company |
0.29%
|
78,601
|
$15,466,263 | — | 30 Jun 2025 | |
| Brandywine Global Investment Management, LLC |
13F
|
Company |
0.28%
|
75,336
|
$14,823,865 | — | 30 Jun 2025 | |
| Man Group plc |
13F
|
Company |
0.28%
|
74,077
|
$14,576,132 | — | 30 Jun 2025 |
Institutional Holders of AFFILIATED MANAGERS GROUP, INC. - Common Stock (AMG) as of Q3 2025
As of 30 Sep 2025,
AFFILIATED MANAGERS GROUP, INC. - Common Stock (AMG) was held by
445 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
26,411,009 shares.
The largest 10 holders included
BlackRock, Inc., VANGUARD GROUP INC, MORGAN STANLEY, ARIEL INVESTMENTS, LLC, Clarkston Capital Partners, LLC, Boston Partners, MILLENNIUM MANAGEMENT LLC, STATE STREET CORP, DIMENSIONAL FUND ADVISORS LP, and CITADEL ADVISORS LLC.
This page lists
445
institutional shareholders reporting positions in this security
for the Q3 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q3 2025 vs Q2 2025 Across Filers
Q2 2025 holders
429
Q3 2025 holders
445
Holder diff
16
| Investor | Q2 2025 Shares | Q3 2025 Shares | Share Diff | Share Chg % | Q2 2025 Value $ | Q3 2025 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.