Security key
10948W103
Acadian Asset Management Inc. - Common (AAMI)
CUSIP: 10948W103
Q3 2026 13F Holders as of 30 Sep 2026
- Security type / class
- Equity / Common
- Total 13F shares
- 593,728
- Total 13F value
- $54,285,565
- Share change
- -93,103
- SEC-reported price per share
- $91.71
- Number of holders
- 67
- Value change
- -$7,466,389
- Number of buys
- 34
- Number of sells
- 20
- Shares outstanding
- 35,530,844
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2026
Institutions
67
Top holders
10
AAMI full security history
Ownership snapshot
Full 13F holder table
Acadian Asset Management Inc. SEC filings
Acadian Asset Management Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 10948W103
Recent filing periods:
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
6/15
Latest evidence
30 Jun 2026
3/4/5
13D/G
13F
Lead comparable stake: 16%
9 rows are not safely comparable across share classes.
13D/G row: PAULSON & CO. INC.
Showing 1-6 of 15 holder rows.
Quick read
PAULSON & CO. INC. leads the comparable SEC ownership view at 16%.
6 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.
16%
BlackRock, Inc.
11%
PRUDENTIAL FINANCIAL INC
4.5%
JENNISON ASSOCIATES LLC
4.3%
Empyrean Capital Partners, LP
4.3%
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. |
3/4/5
13D/G
13F
10%+ Owner · Company
|
16%
Reported 13D/G
· 17 Jun 2026
|
$451,393,534
5,843,282 shares
|
-$146,775,000 | 17 Jun 2026 |
| BlackRock, Inc. |
13F
13D/G
Company
|
11%
Reported 13D/G
· 31 Mar 2025
|
$320,877,006
4,486,535 shares
|
— | 30 Jun 2026 |
| PRUDENTIAL FINANCIAL INC |
13D/G
|
4.5%
Reported 13D/G
· 30 Jun 2026
|
$115,087,958
1,598,888 shares
|
-$38,084,690 | 30 Jun 2026 |
| JENNISON ASSOCIATES LLC |
13D/G
13F
Company
|
4.3%
Reported 13D/G
· 30 Jun 2026
|
$109,882,509
1,526,570 shares
|
-$27,543,291 | 30 Jun 2026 |
| Empyrean Capital Partners, LP |
13F
13D/G
Company
|
4.3%
Reported 13D/G
· 30 Sep 2025
|
$93,548,160
1,308,000 shares
|
— | 30 Jun 2026 |
| Azora Capital LP |
13D/G
13F
Company
|
4.2%
Reported 13D/G
· 31 Dec 2024
|
$42,168,771
1,565,866 shares
|
-$12,454,910 | 31 Dec 2024 |
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 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
67
Shares
593,728
Rows available
67
| 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 2026 vs Q2 2026 Across Filers
Q2 2026 holders
300
Q3 2026 holders
67
Holder diff
-233
| Investor | Q2 2026 Shares | Q3 2026 Shares | Share Diff | Share Chg % | Q2 2026 value | Q3 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend