Acadian Asset Management Inc. - Common Stock, par value $0.001 per share (the "Common Stock") (AAMI)

Q: What does CUSIP 10948W103 represent in this 13F holders report?

CUSIP 10948W103 is the security identifier for AAMI - Acadian Asset Management Inc. - Common Stock, par value $0.001 per share (the "Common Stock") used to aggregate holder disclosures.

Q: How many institutions held AAMI - Acadian Asset Management Inc. - Common Stock, par value $0.001 per share (the "Common Stock") in Q4 2023?

169 institutional investors reported AAMI - Acadian Asset Management Inc. - Common Stock, par value $0.001 per share (the "Common Stock") for Q4 2023. Use the holders table for investor-level position and value details.

CUSIP: 10948W103

Q4 2023 13F Holders as of 31 Dec 2023

Security type / class: Equity / Common Stock, par value $0.001 per share (the "Common Stock")
Total 13F shares: 41,054,968
Total 13F value: $786,553,389
Share change: -129,265
Put/Call ratio: 5.3%
SEC-reported price per share: $19.16
Number of holders: 169
Value change: -$2,826,463
Number of buys: 88
Number of sells: 73
Shares outstanding: 35,629,768

Security key

10948W103

Report period

Q4 2023

Institutions

169

Top holders

AAMI full security history Ownership snapshot Full 13F holder table Newer quarter: Q2 2026 Acadian Asset Management Inc. SEC filings Acadian Asset Management Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 10948W103

Newer quarter: Q2 2026

Recent filing periods:

Q2 2026

Ownership snapshot

Top reported holders of AAMI - Acadian Asset Management Inc. - Common Stock, par value $0.001 per share (the "Common Stock") (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

PAULSON & CO. INC.

Disclosed value leader

PAULSON & CO. INC.

Comparable rows

15/15

Latest evidence

30 Sep 2023

13F Lead comparable stake: 25% Showing 1-6 of 15 holder rows.

Quick read

PAULSON & CO. INC. leads the comparable SEC ownership view at 25%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens PAULSON & CO. INC.'s linked filing trail.

Comparable ownership Top 5

PAULSON & CO. INC. 25%

BlackRock Finance, Inc. 15%

VANGUARD GROUP INC 7.6%

Azora Capital LP 5.7%

Empyrean Capital Partners, LP 5.3%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
PAULSON & CO. INC.	13F Company 13F	25%	$173,542,846 8,950,121 shares	—	30 Sep 2023
BlackRock Finance, Inc.	13F Company 13F	15%	$101,832,687 5,251,815 shares	—	30 Sep 2023
VANGUARD GROUP INC	13F Company 13F	7.6%	$52,626,689 2,714,115 shares	—	30 Sep 2023
Azora Capital LP	13F Company 13F	5.7%	$39,289,647 2,026,284 shares	—	30 Sep 2023
Empyrean Capital Partners, LP	13F Company 13F	5.3%	$36,465,493 1,880,634 shares	—	30 Sep 2023
North Reef Capital Management LP	13F Company 13F	4.8%	$32,963,000 1,700,000 shares	—	30 Sep 2023

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q4 2023

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

169

41,054,968

Rows available

169

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q4 2023 vs Q3 2023 Across Filers

Q3 2023 holders

161

Q4 2023 holders

169

Holder diff

Investor	Q3 2023 Shares	Q4 2023 Shares	Share Diff	Share Chg %	Q3 2023 value	Q4 2023 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend