Who Owns PIONEER ACQUISITION I CORP (PACHW)? -- Institutional Holders (2026-06-30)
50 institutions reported holding $2.3M of PIONEER ACQUISITION I CORP (PACHW) in SEC 13F filings for 2026-06-30. Largest institutional holders: BOOTHBAY FUND MANAGEMENT, LLC ($230,175), Shaolin Capital Management LLC ($126,804), Magnetar Financial LLC ($107,850), AQR Arbitrage LLC ($99,631), Wealthspring Capital LLC ($94,601). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | BOOTHBAY FUND MANAGEMENT, LLC | $230,175 | 22,500 | Hold |
| 2 | Shaolin Capital Management LLC | $126,804 | 587,871 | Trimmed |
| 3 | Magnetar Financial LLC | $107,850 | 500,000 | Hold |
| 4 | AQR Arbitrage LLC | $99,631 | 495,429 | Added |
| 5 | Wealthspring Capital LLC | $94,601 | 438,577 | Trimmed |
| 6 | Westchester Capital Management, LLC | $91,672 | 424,999 | Hold |
| 7 | Linden Advisors LP | $85,800 | 375,001 | Hold |
| 8 | TORONTO DOMINION BANK | $85,448 | 395,591 | Trimmed |
| 9 | MMCAP International Inc. SPC | $80,888 | 375,000 | Hold |
| 10 | Verition Fund Management LLC | $75,866 | 351,718 | Hold |
| 11 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | $70,103 | 325,000 | Hold |
| 12 | CSS LLC/IL | $65,793 | 305,019 | Hold |
| 13 | Periscope Capital Inc. | $65,724 | 304,700 | Hold |
| 14 | TENOR CAPITAL MANAGEMENT Co., L.P. | $64,710 | 300,000 | Hold |
| 15 | Clear Street Group Inc. | $63,437 | 294,098 | Trimmed |
| 16 | Lepercq De Neuflize Asset Management LLC | $57,376 | 266,000 | Hold |
| 17 | Radcliffe Capital Management, L.P. | $57,188 | 250,000 | Hold |
| 18 | Polar Asset Management Partners Inc. | $55,758 | 258,500 | Added |
| 19 | Jain Global LLC | $53,925 | 250,000 | Hold |
| 20 | Alberta Investment Management Corp | $53,925 | 250,000 | Hold |
| 21 | PICTON MAHONEY ASSET MANAGEMENT | $53,925 | 250,000 | Hold |
| 22 | MILLENNIUM MANAGEMENT LLC | $51,229 | 237,500 | Hold |
| 23 | OMERS ADMINISTRATION Corp | $47,454 | 220,000 | Hold |
| 24 | ARISTEIA CAPITAL, L.L.C. | $45,750 | 200,000 | Hold |
| 25 | COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | $43,200 | 200,000 | Hold |
Source: SEC Form 13F filings · as of 2026-06-30