Acadian Asset Management Inc. 13F holders
Of the 44 funds followed here, 8 reported a position in Acadian Asset Management Inc. in a 13F for the quarter ended 30 June 2026. The largest: Geode Capital Management, 969,724 shares worth $69.4 million, 0.0% of its reported book. New this quarter: Point72 Asset Management.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| Geode Capital Management | 969,724 | $69.4 million | 0.0% | +221,902 | added | 30 June 2026 | 13F |
| Soros Fund Management | 610,248 | $43.6 million | 0.5% | -38,559 | trimmed | 30 June 2026 | 13F |
| Two Sigma Investments | 523,939 | $37.5 million | 0.0% | +45,125 | added | 30 June 2026 | 13F |
| FMR LLC | 231,204 | $16.5 million | 0.0% | +18,200 | added | 30 June 2026 | 13F |
| Citadel Advisors | 61,940 | $4.4 million | 0.0% | -22,783 | trimmed | 30 June 2026 | 13F |
| Millennium Management | 51,885 | $3.7 million | 0.0% | -17,449 | trimmed | 30 June 2026 | 13F |
| Renaissance Technologies | 31,651 | $2.3 million | 0.0% | -28,893 | trimmed | 30 June 2026 | 13F |
| Point72 Asset Management | 18,848 | $1.3 million | 0.0% | +18,848 | new | 30 June 2026 | 13F |
Value is what the fund reported.
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Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 10 August 2026 | 13G/A | Prudential Financial Inc and 1 other | 1.6 million | 4.5% | 30 June 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 3 August 2026 | 13G/A | Jennison Associates LLC and 1 other | 1.5 million | 4.3% | 30 June 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 26 March 2026 | 13G/A | The Vanguard Group and 1 other | 0 | 0.0% | 13 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 30 January 2026 | 13G | Jennison Associates LLC and 1 other | 1.9 million | 5.4% | 31 December 2025 | passive, institutional (13d-1(b)) | EDGAR |
| 14 November 2025 | 13G/A | Empyrean Capital Partners, LP and 3 others | 1.5 million | 4.3% | 30 September 2025 | passive, institutional (13d-1(b)) | EDGAR |
| 5 November 2025 | 13G/A | Jennison Associates LLC and 1 other | 1.7 million | 4.8% | 30 September 2025 | passive, institutional (13d-1(b)) | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
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Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short.Fails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 11 September 2026 | 1,372 | $92.05 | SEC |
| 28 August 2026 | 33 | $97.31 | SEC |
| 5 August 2026 | 11 | $91.92 | SEC |
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.
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Largest in the window: 1,372 on 11 September 2026. A fail is an operational fact about settlement, not a position.Source
Each fund's 13F-HR on EDGAR, linked per row; positions matched to AAMI by CUSIP from the SEC's own fails-to-deliver files; Schedule 13D and 13G from the company's own filing index, each read to confirm the company is the issuer named.
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