AAMI

Acadian Asset Management Inc
FinancialsUSCUSIP 10948W103◍ Confluence graph
Tracked 13F Holders
248
-93 QoQ
13F Value (tracked)
$2.0B
Insider Net · 180d
-$155.7M
0↑ 3↓
Recent Filings
15
Smart-money sentimentMixed
BearishBullish
13F funds (latest Q)34 adding · 24 trimming
Insider net (180d)-$155.7M

Who owns AAMI?

248 tracked 13F filers

248 tracked 13F filers disclose a position in AAMI as of the latest SEC 13F filings, a combined $2.0B in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

All quarters use one ordinary-share-equivalent series. Historical ADS are converted at 2 ADS = 1 ordinary share. Expand a row for the exact calculation; the residual is not classified as a trade.
#FundPosition valueSharesLast moveAs ofHistory
1PAULSON & CO. INC.
$417.9M
5.8M
−25%
Reduced · −1.9M sh
Q2 2026
2BlackRock, Inc.
$248.9M
4.6M
−1.7%
Reduced · −81K sh
Q1 2026
3JENNISON ASSOCIATES LLC
$110.0M
2.0M
+5.9%
Added · +113K sh
Q1 2026
4Empyrean Capital Partners, LP
$71.2M
1.3M
−6.9%
Reduced · −96K sh
Q1 2026
5STATE STREET CORP
$87.6M
1.2M
+1.2%
Added · +15K sh
Q2 2026
6VANGUARD CAPITAL MANAGEMENT LLC
$63.1M
1.2M
First observed position
No prior filed position
Q1 2026
7GEODE CAPITAL MANAGEMENT, LLC
$69.4M
970K
+30%
Added · +222K sh
Q2 2026
8DIMENSIONAL FUND ADVISORS LP
$49.2M
905K
−0.5%
Reduced · −5K sh
Q1 2026
9VANGUARD PORTFOLIO MANAGEMENT LLC
$48.1M
884K
First observed position
No prior filed position
Q1 2026
10Avantyr Capital Partners, LP
$54.9M
768K
New
+768K sh
Q2 2026
11Woodline Partners LP
$38.2M
702K
+26%
Added · +143K sh
Q1 2026
12SOROS FUND MANAGEMENT LLC
$35.3M
649K
−12%
Reduced · −89K sh
Q1 2026
13Nuveen, LLC
$32.0M
588K
−9.8%
Reduced · −64K sh
Q1 2026
14FEDERATED HERMES, INC.
$30.9M
568K
+1.8%
Added · +10K sh
Q1 2026
15Allspring Global Investments Holdings, LLC
$39.8M
554K
+32%
Added · +134K sh
Q2 2026
16MORGAN STANLEY
$29.3M
538K
+1.0%
Added · +5K sh
Q1 2026
17TWO SIGMA INVESTMENTS, LP
$26.1M
479K
+69%
Added · +195K sh
Q1 2026
18CHARLES SCHWAB INVESTMENT MANAGEMENT INC
$24.7M
453K
−5.6%
Reduced · −27K sh
Q1 2026
19Systematic Alpha Investments, LLC
$26.5M
370K
Held
Q2 2026
20Impax Asset Management Group plc
$25.0M
350K
−57%
Reduced · −473K sh
Q2 2026
21JACOBS LEVY EQUITY MANAGEMENT, INC
$17.3M
318K
−24%
Reduced · −101K sh
Q1 2026
22Boston Trust Walden Corp
$15.3M
282K
New
+282K sh
Q1 2026
23NORTHERN TRUST CORP
$15.2M
279K
~0%
Added · +76 sh
Q1 2026
24ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
$13.1M
241K
−53%
Reduced · −273K sh
Q1 2026
25North Reef Capital Management LP
$12.0M
220K
−50%
Reduced · −224K sh
Q1 2026

Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

Is AAMI being bought or sold by institutions?

Last quarter, 10 funds opened a new position in AAMI and 24 added to an existing one, while 24 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).

Opened (NEW)
10
funds
Added
24
funds
Reduced
24
funds
Exited
0
funds

Funds that own AAMI also own

CompanyCo-held byCombined value
NVIDIA CORPNVDA120 funds$304.0B
AMAZON.COM INCAMZN120 funds$154.5B
MICROSOFT CORPMSFT119 funds$206.9B
META PLATFORMS INC-CLASS AMETA118 funds$86.1B
ELI LILLY & COLLY118 funds$62.7B
JPMORGAN CHASE & COJPM118 funds$47.6B
ALPHABET INC-CL AGOOGL116 funds$122.3B
BROADCOM INCAVGO115 funds$126.2B
MICRON TECHNOLOGY INCMU115 funds$31.5B
APPLE INCAAPL114 funds$225.0B
VISA INC-CLASS A SHARESV114 funds$45.5B
MASTERCARD INC - AMA113 funds$44.0B

Ranked by how many of AAMI's institutional holders also hold each name, a cross-fund conviction signal.

Insider activity (Form 4)

Full insider page →
Buys · 180d
$0
0 insiders
Sells · 180d
$155.7M
3 insiders
Net
-$155.7M
7 P/S txns
Signal
Net Selling
open-market
DateInsiderRoleActionSharesValue
Aug 4, 2026Wiater ChristinaPAOSell (S)244$23K
Aug 3, 2026Wiater ChristinaPAOSell (S)8K$691K
Aug 3, 2026Wiater ChristinaPAOSell (S)17K$1.5M
Aug 3, 2026Wiater ChristinaPAOSell (S)3$264
Jun 17, 2026PAULSON & CO. INC.10% OwnerSell (S)1.9M$146.8M
May 4, 2026Hart Richard JonathanCLO and CAOSell (S)89K$5.9M
May 4, 2026Hart Richard JonathanCLO and CAOSell (S)11K$759K
Feb 11, 2026Chersi Robert JDirectorSell (S)29K$1.5M
Feb 10, 2026Trebbi BarbaraDirectorSell (S)10K$496K
Sep 3, 2025PAULSON & CO. INC.10% OwnerSell (S)1.2M$57.6M

Institutional ownership over time

124 funds-4 since Q3 2024
0109217Q3 2024Q1 2025Q3 2025Q1 2026Q2 2026
funds holding aggregate valuelatest $875.9M

Recent filings

15 shown

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Connected entities for AAMI

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Ask your agent what changed in AAMI

This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/stocks/AAMI/capital-change-brief"
Ask your agent
Use Arkolith's capital_change_brief for AAMI.
Tell me what changed, whether insider activity
corroborates it, and cite the SEC evidence.

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for AAMI. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.