AAMI Institutional Ownership
Who owns Acadian Asset Management Inc. and what the big funds did with it last quarter, from every SEC 13F filing. 303 funds reported holding AAMI at Jun 30, 2026, together owning 101.5% of the company.
- ▲167 buying vs 115 selling
- ●Held by funds +0.2 pts
- ▲Funds holding +45
- ▼Superinvestors: 1 added, 4 cut
- ●Put/call not meaningful
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
8 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 303 | 258 | +17.4% |
| In funds' top 10 | 2 | 3 | −33.3% |
| 13F shares | 36M | 36M | +0.2% |
| Held by funds | 101.5% | 101.3% | +0.2 pts |
| New positions | 67 | 32 | +109.4% |
| Increased | 100 | 88 | +13.6% |
| Reduced | 95 | 88 | +8.0% |
| Sold out | 20 | 35 | −42.9% |
| Calls (shares) | 0 | 0 | – |
| Puts (shares) | 0 | 0 | – |
| Put/call ratio | – | – | – |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in AAMI
All superinvestors →
Who owns AAMI
share of fund held shares- Index and passive funds33.8%
- Active managers and hedge funds58.7%
- Banks and brokers5.6%
- Pensions, insurers and other1.9%
The top 10 holders own 54.7% of all AAMI shares that funds reported. Groups are our own grouping of filers by name.
Filed so far for Q3 2026
71 funds changed their position- Principal Financial Group IncTrimmed−45K sh
- Mackenzie Financial CorpAdded+29K sh
- Y-Intercept (Hong Kong) LtdSold out−33K sh
- Linden Thomas Advisory Services, LLCTrimmed−21K sh
- Hussman Strategic Advisors, Inc.Trimmed−17K sh
🔒 Free account: see all 20.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | Paulson & Co. Inc. | 16.46% | 5.8M | $418M | −1.9M |
| 2 | BlackRock, Inc. | 12.64% | 4.5M | $321M | −88K |
| 3 | Jennison Associates LLC | 4.30% | 1.5M | $109M | −496K |
| 4 | Invesco Ltd. | 3.88% | 1.4M | $98.4M | +964K |
| 5 | Empyrean Capital Partners, LP | 3.69% | 1.3M | $93.5M | −190 |
| 6 | State Street Corp | 3.45% | 1.2M | $87.6M | +15K |
| 7 | Vanguard Capital Management LLC | 3.32% | 1.2M | $84.1M | +18K |
| 8 | Geode Capital Management, LLC | 2.73% | 970K | $69.4M | +222K |
| 9 | Dimensional Fund Advisors LP | 2.57% | 912K | $65.2M | +7,118 |
| 10 | Woodline Partners LP | 2.49% | 884K | $63.2M | +182K |
- Invesco Ltd.+964K sh+$68.9M
- Driehaus Capital Management LLC+789K sh+$56.4M
- Avantyr Capital Partners, LP+768K sh+$54.9M
- Amundi+317K sh+$22.7M
- Healthcare of Ontario Pension Plan Trust Fund+228K sh+$16.3M
- Geode Capital Management, LLC+222K sh+$15.9M
- Woodline Partners LP+182K sh+$13M
- Azora Capital LP+167K sh+$11.9M
- Paulson & Co. Inc.−1.9M sh−$136M
- SG Americas Securities, LLC−512K sh−$36.6M
- Jennison Associates LLC−496K sh−$35.4M
- Impax Asset Management Group plc−473K sh−$33.9M
- Jacobs Levy Equity Management, Inc−166K sh−$11.9M
- North Reef Capital Management LP−134K sh−$9.6M
- Qube Research & Technologies Ltd−119K sh−$8.5M
- Arrowstreet Capital, Limited Partnership−92K sh−$6.6M
AAMI institutional ownership FAQ
Who owns the most AAMI stock?
In Q2 2026 13F filings the largest holder of AAMI was Paulson & Co. Inc., followed by BlackRock, Inc. and Jennison Associates LLC. Index fund managers are usually the biggest holders of large companies.
What percentage of AAMI is owned by institutions?
Funds that file 13F reports held 101.5% of AAMI's shares at Jun 30, 2026, compared with 101.3% a quarter earlier. That counts every manager with more than $100 million in US stocks.
Are hedge funds buying AAMI?
In Q2 2026, 167 funds bought AAMI (67 of them new positions) and 115 sold (20 sold out completely). Among well known investors, 1 added and 4 cut. Our fund sentiment for AAMI is neutral.
What is AAMI's institutional put/call ratio?
Too few option positions were reported for a meaningful ratio.
How current is this AAMI ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.