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 Q3 2019?

128 institutional investors reported AAMI - Acadian Asset Management Inc. - Common Stock, par value $0.001 per share (the "Common Stock") for Q3 2019. Use the holders table for investor-level position and value details.

CUSIP: 10948W103

Q3 2019 13F Holders as of 30 Sep 2019

Security type / class: Equity / Common Stock, par value $0.001 per share (the "Common Stock")
Total 13F shares: 86,557,980
Total 13F value: $857,806,888
Share change: +85,648,893
SEC-reported price per share: $9.91
Number of holders: 128
Value change: +$848,751,613
Number of buys: 123
Number of sells: 5
Shares outstanding: 35,629,768

Security key

10948W103

Report period

Q3 2019

Institutions

128

Top holders

AAMI full security history Ownership snapshot Full 13F holder table Newer quarter: Q4 2019 Previous quarter: Q2 2019 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: Q4 2019 Previous quarter: Q2 2019

Recent filing periods:

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024

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

KENNEDY CAPITAL MANAGEMEN...

Disclosed value leader

PAULSON & CO. INC.

Comparable rows

5/15

Latest evidence

30 Jun 2019

13F Lead comparable stake: 1.1% 10 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

KENNEDY CAPITAL MANAGEMENT LLC leads the comparable SEC ownership view at 1.1%.

5 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 KENNEDY CAPITAL MANAGEMENT LLC's linked filing trail.

Comparable ownership Top 5

KENNEDY CAPITAL MANAGEMENT LLC 1.1%

GLOBEFLEX CAPITAL L P 0.36%

MARTINGALE ASSET MANAGEMENT L P 0.32%

RHUMBLINE ADVISERS 0.3%

PARAMETRIC PORTFOLIO ASSOCIATES LLC 0.22%

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
KENNEDY CAPITAL MANAGEMENT LLC	13F Company 13F	1.1%	$4,390,000 384,748 shares	—	30 Jun 2019
GLOBEFLEX CAPITAL L P	13F Company 13F	0.36%	$1,451,000 127,153 shares	—	30 Jun 2019
MARTINGALE ASSET MANAGEMENT L P	13F Company 13F	0.32%	$1,282,000 112,276 shares	—	30 Jun 2019
RHUMBLINE ADVISERS	13F Company 13F	0.3%	$1,211,000 106,160 shares	—	30 Jun 2019
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F Company 13F	0.22%	$909,000 79,631 shares	—	30 Jun 2019
PAULSON & CO. INC.	13F Company 13F	— class O/S missing	$228,206,000 20,000,552 shares	—	30 Jun 2019

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 Q3 2019

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

Institutions

128

86,557,980

Rows available

128

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 Q3 2019 vs Q2 2019 Across Filers

Q2 2019 holders

Q3 2019 holders

128

Holder diff

120

Investor	Q2 2019 Shares	Q3 2019 Shares	Share Diff	Share Chg %	Q2 2019 value	Q3 2019 value	Value change	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend