Acadian Asset Management Inc
$92.16-0.7%
+$240.1M
Net Activity
+8.18% total shares
Institutions Holding
306
Popularity Rank
#2086
Avg Weight
0.11%
Total Value
$2.6B
Market Cap
$3.3B
306 institutions currently hold AAMI, with 178 net buyers and 117 net sellers this quarter.
Institutional Moves (Q2 2026)
Majority Increased
Based on recent trading activity
Net Selling Institutions
117
Net Buying Institutions
178
Top 5 by Value
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Across its top 20 institutional holders, AAMI's holder base skews toward low-concentration, low-turnover investors on average (avg. concentration score 10/100, avg. turnover score 45/100).
AAMI ranks #2086 out of 37696 tracked stocks by institutional interest — one of the most closely watched names in our coverage.
AAMI is a top-conviction position for Paulson & Co. Inc. — at 16.2% of their entire disclosed 13F portfolio, it's one of their largest single bets, not just a passing allocation.
Anb Bank has added to its AAMI position for two straight quarters, increasing it by $280.7K to reach $748.1K today.
State of Alaska, Department of Revenue has trimmed its AAMI position for two straight quarters, cutting it by $76.0K while still holding $933.0K.
AAMI is down 0.7% today, but institutions show net buying of $240.1M this quarter — a divergence between today's price move and the underlying institutional flow.
AAMI posted net income of $101.4M over the trailing twelve months, and currently trades at a P/E of 32.9.
+$485.9M
Total Buy Value
$368.1M
Total Sell Value
178
Net Buyers
117
Net Sellers
AAMI
Q2 2026
Top 5 Institutional Movers
AAMI does not currently have enough recent insider (Form 4) trading activity to compute a convergence signal against its 13F institutional flows.
13F data as of 2026-09-30 quarterly filings. Note: many large institutions file close to the 45-day post-quarter deadline, so early-quarter flow figures can shift substantially as more filings arrive.
2
Filings (90d)
$2.24M
Total Est. Value
26K shares
Planned Shares
| Filer | Filing Date | Est. Value |
|---|---|---|
| CHRISTINA WIATER | 2026-08-04 | $23K |
| Wiater Christina | 2026-08-03 | $2.21M |
Form 144 is a planned sale notice, not an executed transaction. Form 144 Tracker。
0
Active 5%+ Holders
| Reporting Person | Type | Filing Date | % of Class |
|---|---|---|---|
| PRUDENTIAL FINANCIAL INC | 13G/A | 2026-08-10 | 4.5% |
| Jennison Associates LLC | 13G/A | 2026-08-03 | 4.3% |
1
Filings (14d)
Acadian Asset Management Inc. (AAMI) put out its second-quarter 2026 earnings presentation on July 30, 2026, covering the three months ended June 30, 2026. The materials were attached as Exhibit 99.1 to this 8-K, which is a routine Item 2.02 disclosure. The excerpt doesn't include any actual numbers, so we only know the results were published, not what they show.
View Full Filing (SEC EDGAR)10948W103
The most-added stocks by 13F institutions this quarter
Institutions Holding
6,278
Total reported value
$2.2T
3254 13F institutions increased their position this quarter
Institutions Holding
6,025
Total reported value
$3.6T
3054 13F institutions increased their position this quarter
Institutions Holding
6,188
Total reported value
$1.8T
2995 13F institutions increased their position this quarter
The most widely held stocks tracked across all 13F institutions
Institutions Holding
4,112
Total reported value
$390.3B
Held by 4112 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
4,086
Total reported value
$377.7B
Held by 4086 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
6,178
Total reported value
$2.9T
Held by 6178 institutions — one of the most-tracked stocks on AlphaSMO
Access AAMI's institutional ownership data programmatically:
REST API
curl https://alphasmo.com/api/v1/market/stock/AAMICLI
npx alphasmo stocks get AAMI