PACH · Company research
Pioneer Acquisition I Corp (PACH): Ownership & Institutional Holders
Reported institutional positions. Filing dates and sources matter.
RESEARCH CONTEXT
Understand the numbers
Reported institutional positions. Filing dates and sources matter. Use period, currency, units and source fields when interpreting values.
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Ownership & Institutional Holders data
Database-backed records only
| holder name | cik | period end | shares held | market value | ownership percent | shares change | shares change percent | filing date | data source |
|---|---|---|---|---|---|---|---|---|---|
| HGC Investment Management Inc. | 1711200 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 743077 | 7668555 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Periscope Capital Inc. | 1695320 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 300000 | 3069000 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Centiva Capital, LP | 1692507 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 50000 | 510500 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| First Trust Capital Management L.P. | 1604488 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 500000 | 5115000 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Timelo Investment Management Inc. | 1851296 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 60000 | 613800 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| HEIGHTS CAPITAL MANAGEMENT, INC | 1081698 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 100000 | 1021000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Shaolin Capital Management LLC | 1766806 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 377218 | 3858940 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Kepos Capital LP | 1512020 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 47100 | 482 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Alberta Investment Management Corp | 1463559 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 500000 | 5105000 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| UBS Group AG | 1610520 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1529 | 330 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| LONGFELLOW INVESTMENT MANAGEMENT CO LLC | 1167487 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 500 | 5160 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| Westchester Capital Management, LLC | 1512805 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1152746 | 11769537 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| CSS LLC/IL | 1103646 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 210988 | 2158407 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| DELTEC ASSET MANAGEMENT LLC | 1269950 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 10000 | 102300 | — | — | — | Jul 21, 2026 | SEC_13F_DATASET |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | 1083190 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 400000 | 4092000 | — | — | — | Jul 17, 2026 | SEC_13F_DATASET |
| Endure Capital Management, LLC | 2055657 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 22400 | 4832 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| BOOTHBAY FUND MANAGEMENT, LLC | 1549230 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 83391 | 853090 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| TENOR CAPITAL MANAGEMENT Co., L.P. | 1346554 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 600000 | 6138000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Radcliffe Capital Management, L.P. | 1218275 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 629549 | 6440286 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| GRITSTONE ASSET MANAGEMENT LLC | 1964236 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 69324 | 709185 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| AQR Arbitrage LLC | 1167456 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 956895 | 9769898 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Governors Lane LP | 1644187 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 100000 | 1023000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| BERKLEY W R CORP | 11544 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 148726 | 1518492 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Stoic Point Capital Management LLC | 2043279 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 33775 | 345518 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| DLD Asset Management, LP | 1578299 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 102737 | 1051000 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| SONA ASSET MANAGEMENT (US) LLC | 1856405 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 107727 | 1102047 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| RIVERNORTH CAPITAL MANAGEMENT, LLC | 1447578 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 249758 | 2568761 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| TIG Advisors, LLC | 1358253 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 150000 | 1534500 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Mint Tower Capital Management B.V. | 1666606 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 400000 | 4092 | — | — | — | Aug 18, 2026 | SEC_13F_DATASET |
| TORONTO DOMINION BANK | 947263 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 395591 | 85448 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| WOLVERINE ASSET MANAGEMENT LLC | 1279891 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 788462 | 8065966 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| TWO SIGMA INVESTMENTS, LP | 1179392 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 797500 | 8158425 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| GLAZER CAPITAL, LLC | 1076809 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1210643 | 12385 | — | — | — | Aug 17, 2026 | SEC_13F_DATASET |
| PenderFund Capital Management Ltd. | 1706164 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 38172 | 389736 | — | — | — | Aug 17, 2026 | SEC_13F_DATASET |
| HRT FINANCIAL LP | 1475597 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 24534 | 250 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| LMR Partners LLP | 1578621 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 750000 | 7740000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Polar Asset Management Partners Inc. | 1326389 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 400000 | 4092000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| MIZUHO SECURITIES USA LLC | 812291 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 183497 | 1853320 | — | — | — | Jul 28, 2026 | SEC_13F_DATASET |
| O'Connor Alternative Investments LLC | 2081629 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 250000 | 2552500 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Dakota Wealth Management | 1631353 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 104100 | 1064943 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Limestone Investment Advisors LP | 2075597 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 48017 | 491214 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Logan Stone Capital, LLC | 1535521 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 60737 | 621340 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| JPMORGAN CHASE & CO | 19617 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 100000 | 1032000 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| ABC ARBITRAGE SA | 2049221 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 25000 | 255750 | — | — | — | Jul 20, 2026 | SEC_13F_DATASET |
| MANGROVE PARTNERS IM, LLC | 1535392 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 450000 | 4603500 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Jain Global LLC | 2024579 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 386736 | 3948575 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Magnetar Financial LLC | 1352851 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1000000 | 10210000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Virtu Financial LLC | 1533964 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 10203 | 104 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Linden Advisors LP | 1279396 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1000000 | 10210000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Yakira Capital Management, Inc. | 1584639 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 24485 | 252685 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| L1 Global Manager Pty Ltd | 1878742 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 24400 | 249612 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Hudson Bay Capital Management LP | 1393825 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 246000 | 2511660 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Wealthspring Capital LLC | 1844495 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 776258 | 7941119 | — | — | — | Jul 15, 2026 | SEC_13F_DATASET |
| MMCAP International Inc. SPC | 1304857 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 750000 | 7672500 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| MOORE CAPITAL MANAGEMENT, LP | 1448574 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 250000 | 2557500 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Arax Advisory Partners | 1586767 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 10500 | 107415 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| Ghisallo Capital Management LLC | 1825214 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 250000 | 2552500 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Context Capital Management, LLC | 1301396 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 150000 | 1534500 | — | — | — | Jul 23, 2026 | SEC_13F_DATASET |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 1535845 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 450000 | 4594500 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| W.R. Berkley Corporation | 11544 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 148726 | 1518492000 | — | — | — | Aug 14, 2026 | SEC_13F_HR |
| MORGAN STANLEY | 895421 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 49 | 501 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| SYQUANT CAPITAL SAS | 1766392 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 110000 | 1135 | — | — | — | Jul 9, 2026 | SEC_13F_DATASET |
| Lepercq De Neuflize Asset Management LLC | 1854423 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 266000 | 57376 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| OMERS ADMINISTRATION Corp | 1053321 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 440000 | 4492400 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Rangeley Capital, LLC | 1517796 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 21345 | 220280 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Verition Fund Management LLC | 1454027 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 525558 | 5365947 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| PICTON MAHONEY ASSET MANAGEMENT | 1539041 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 500000 | 5115001 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| WHITEBOX ADVISORS LLC | 1257391 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 300000 | 3069000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| MILLENNIUM MANAGEMENT LLC | 1273087 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 287700 | 2943171 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| BNP PARIBAS FINANCIAL MARKETS | 1166588 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 348493 | 3558114 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Parallax Volatility Advisers, L.P. | 1521001 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 129909 | 1326371 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| D. E. Shaw & Co., Inc. | 1009207 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1252350 | 12786494 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Clear Street Group Inc. | 1881567 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 139861 | 1430778 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| ARISTEIA CAPITAL, L.L.C. | 1080171 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 400000 | 4092000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| READYSTATE ASSET MANAGEMENT LP | 1900923 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 31492 | 324997 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Lineage Point Capital LP | 2093311 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 106805 | 1092615 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Meteora Capital, LLC | 1905106 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 272969 | 2792473 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Dakota Wealth Management | 1631353 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 104100 | 1054533 | — | — | — | Aug 26, 2026 | SEC_13F_DATASET |
| Dakota Wealth Management | 1631353 | Wed Dec 31 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 109000 | 1095450 | — | — | — | Aug 26, 2026 | SEC_13F_DATASET |
| Dakota Wealth Management | 1631353 | Tue Sep 30 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 109000 | 1083460 | — | — | — | Aug 26, 2026 | SEC_13F_DATASET |
Informational research only, not financial advice. Forecasts are uncertain and can be wrong.