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

CUSIP 10948W103 is the security identifier for AAMI - Acadian Asset Management Inc. - Common used to aggregate holder disclosures.

How many institutions held AAMI - Acadian Asset Management Inc. - Common in Q1 2021?

167 institutional investors reported AAMI - Acadian Asset Management Inc. - Common for Q1 2021. Use the holders table for investor-level position and value details.

Acadian Asset Management Inc. - Common (AAMI)

CUSIP: 10948W103

Q1 2021 13F Holders as of 31 Mar 2021

Security type / class: Equity / Common
Total 13F shares: 78,922,644
Total 13F value: $1,607,966,780
Share change: -651,154
Put/Call ratio: 2.9%
SEC-reported price per share: $20.38
Number of holders: 167
Value change: -$11,281,488
Number of buys: 83
Number of sells: 88
Shares outstanding: 35,530,844

Security key

10948W103

Report period

Q1 2021

Institutions

167

Top holders

AAMI full security history Ownership snapshot Full 13F holder table Newer quarter: Q3 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: Q3 2026

Recent filing periods:

Q3 2026

Ownership snapshot

Top reported holders of AAMI - Acadian Asset Management Inc. - Common (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

0/15

Latest evidence

31 Dec 2020

13F Highest disclosed value: $385,611,000 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

PAULSON & CO. INC. has the largest disclosed position value at $385.61M.

0 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.

Disclosed position value Top 5

PAULSON & CO. INC. $385.61M

BlackRock Finance, Inc. $173.98M

VANGUARD GROUP INC $95.22M

FMR LLC $80.38M

JENNISON ASSOCIATES LLC $73.1M

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

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	— denominator unverified	$385,611,000 20,000,552 shares	—	31 Dec 2020
BlackRock Finance, Inc.	13F Company 13F	— denominator unverified	$173,979,000 9,023,817 shares	—	31 Dec 2020
VANGUARD GROUP INC	13F Company 13F	— denominator unverified	$95,225,000 4,939,053 shares	—	31 Dec 2020
FMR LLC	13F Company 13F	— denominator unverified	$80,375,000 4,168,866 shares	—	31 Dec 2020
JENNISON ASSOCIATES LLC	13F Company 13F	— denominator unverified	$73,104,000 3,791,701 shares	—	31 Dec 2020
DIMENSIONAL FUND ADVISORS LP	13F Company 13F	— denominator unverified	$41,963,000 2,176,516 shares	—	31 Dec 2020

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 Q1 2021

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

Institutions

167

78,922,644

Rows available

167

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 Q1 2021 vs Q1 2021 Across Filers

Q1 2021 holders

167

Q1 2021 holders

167

Holder diff

Investor	Q1 2021 Shares	Q1 2021 Shares	Share Diff	Share Chg %	Q1 2021 value	Q1 2021 value	Value change	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend