WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
Position in AAMI — Acadian Asset Management Inc.
CIK 1644956
CHICAGO, IL
Position in AAMI
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$14,861,569
+$509,002 QoQ
Shares Held
207,796
-21.2% QoQ
Ownership
0.586%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
#32
of 299 holders
Holding Since
Jun 2022
17 quarters on record
Voting authority
Sole 62%
Shared 0%
None 38%
Common Shares in AAMI Over Time
Shares Held
Position Value (USD)
Position in Asset Management
Financial Services · as of Jun 30, 2026WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC holds $411,639,392 across 8 Asset Management names. AAMI ranks #4 (3.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | CG |
Carlyle Group Inc.
|
5,914,905 | $249,076,649 | |
| 2 | STEP |
StepStone Group Inc.
|
1,930,015 | $79,825,420 | |
| 3 | TPG |
TPG Inc.
|
1,388,558 | $56,306,026 | |
| 4 | AAMI |
Acadian Asset Management Inc.
This page
|
207,796 | $14,861,569 | |
| 5 | GCMG |
GCM Grosvenor Inc.
|
438,148 | $5,389,220 | |
| 6 | BX |
Blackstone Inc.
|
42,124 | $4,956,731 | |
| 7 | APO |
Apollo Global Management, Inc.
|
8,367 | $989,899 | |
| 8 | STT |
State Street Corp
|
1,379 | $233,878 |
All Filings in AAMI
Export CSV
17 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $14,861,569 | 207,796 | Shares | Sole | 2026-08-12 | |
| 2026-03-31 | $14,352,567 | 263,737 | Shares | Sole | 2026-05-08 | |
| 2025-12-31 | $11,989,042 | 255,086 | Shares | Sole | 2026-02-09 | |
| 2025-09-30 | $13,548,274 | 281,318 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $25,093,769 | 712,082 | Shares | Sole | 2025-07-29 | |
| 2025-03-31 | $29,491,390 | 1,140,425 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $31,422,935 | 1,192,974 | Shares | Sole | 2025-02-10 | |
| 2024-09-30 | $29,566,539 | 1,164,037 | Shares | Sole | 2024-11-08 | |
| 2024-06-30 | $26,596,661 | 1,199,669 | Shares | Sole | 2024-08-08 | |
| 2024-03-31 | $27,451,715 | 1,201,914 | Shares | Sole | 2024-05-08 | |
| 2023-12-31 | $23,018,881 | 1,201,403 | Shares | Sole | 2024-02-09 | |
| 2023-09-30 | $23,753,874 | 1,225,058 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $27,713,037 | 1,322,818 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $30,611,626 | 1,298,203 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $26,627,844 | 1,293,870 | Shares | Sole | 2023-02-09 | |
| 2022-09-30 | $20,021,148 | 1,342,800 | Shares | Sole | 2022-11-09 | |
| 2022-06-30 | $24,621,939 | 1,367,126 | Shares | Sole | 2022-08-10 | |
| No filing history on record for this holder in this stock. | ||||||