MLAA · Company research
Mountain Lake Acquisition Corp. II Class A Ordinary Shares (MLAA): 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.
68records availableOther
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 |
|---|---|---|---|---|---|---|---|---|---|
| Wealthspring Capital LLC | 1844495 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 336480 | 3341246 | — | — | — | Jul 15, 2026 | SEC_13F_DATASET |
| Magnetar Financial LLC | 1352851 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2000000 | 19860000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| AQR Arbitrage LLC | 1167456 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1449082 | 14389384 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| PICTON MAHONEY ASSET MANAGEMENT | 1539041 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 500000 | 4965001 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Walleye Capital LLC | 1758720 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 75000 | 20258 | — | — | — | Aug 3, 2026 | SEC_13F_DATASET |
| First Trust Capital Management L.P. | 1604488 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 600000 | 5958000 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Westchester Capital Management, LLC | 1512805 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 773011 | 7675999 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Periscope Capital Inc. | 1695320 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 350000 | 3475500 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Sculptor Capital LP | 1054587 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 427532 | 4245393 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Galaxy Digital Inc. | 1859392 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 50000 | 13505 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Shaolin Capital Management LLC | 1766806 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 428537 | 4255372 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| RLH Capital LLC | 2008031 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 150000 | 1489500 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| WOLVERINE ASSET MANAGEMENT LLC | 1279891 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 392778 | 3900286 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| Lineage Point Capital LP | 2093311 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 294214 | 2921545 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Cable Car Capital, LP | 1699575 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 30000 | 297900 | — | — | — | 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) | 250000 | 2483 | — | — | — | Aug 18, 2026 | SEC_13F_DATASET |
| BOOTHBAY FUND MANAGEMENT, LLC | 1549230 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 90550 | 899162 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Schonfeld Strategic Advisors LLC | 1665241 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 235000 | 2333550 | — | — | — | 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) | 1059588 | 10521709 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Alberta Investment Management Corp | 1463559 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1750000 | 17377500 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| Polar Asset Management Partners Inc. | 1326389 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 800000 | 7944000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| BERKLEY W R CORP | 11544 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 447794 | 4446594 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Quarry LP | 1965207 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 75233 | 747064 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| D. E. Shaw & Co., Inc. | 1009207 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1080000 | 10724400 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Rangeley Capital, LLC | 1517796 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 127791 | 1268965 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| DLD Asset Management, LP | 1578299 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 100000 | 993000 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| CSS LLC/IL | 1103646 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 104501 | 1037695 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| LONGFELLOW INVESTMENT MANAGEMENT CO LLC | 1167487 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 8414 | 84392 | — | — | — | Aug 6, 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) | 200000 | 1986000 | — | — | — | Jul 17, 2026 | SEC_13F_DATASET |
| READYSTATE ASSET MANAGEMENT LP | 1900923 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 125000 | 1241250 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Arax Advisory Partners | 1586767 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1500 | 14895 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| GLAZER CAPITAL, LLC | 1076809 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 950000 | 9434 | — | — | — | Aug 17, 2026 | SEC_13F_DATASET |
| PenderFund Capital Management Ltd. | 1706164 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 23400 | 232362 | — | — | — | Aug 17, 2026 | SEC_13F_DATASET |
| JPMORGAN CHASE & CO | 19617 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1219 | 12117 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| HRT FINANCIAL LP | 1475597 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 27389 | 278 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| LMR Partners LLP | 1578621 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1250000 | 12412500 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| CITADEL ADVISORS LLC | 1423053 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 16059 | 159466 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| MOORE CAPITAL MANAGEMENT, LP | 1448574 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 500000 | 4965000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| TWO SIGMA INVESTMENTS, LP | 1179392 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 567675 | 5637013 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Fort Baker Capital Management LP | 1688382 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1000000 | 9930000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 1165408 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2100000 | 20853000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| UBS Group AG | 1610520 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 9665 | 2610 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| MIZUHO SECURITIES USA LLC | 812291 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1710141 | 17956481 | — | — | — | Jul 24, 2026 | SEC_13F_DATASET |
| MMCAP International Inc. SPC | 1304857 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 500000 | 4965000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Qube Research & Technologies Ltd | 1729829 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 250000 | 2540000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Radcliffe Capital Management, L.P. | 1218275 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 458116 | 4549092 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Linden Advisors LP | 1279396 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 749999 | 213300 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Verition Fund Management LLC | 1454027 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 587590 | 5834769 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 1535845 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 625000 | 168750 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| MORGAN STANLEY | 895421 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 23 | 228 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Centiva Capital, LP | 1692507 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 41777 | 414846 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| TrueMark Investments, LLC | 1974457 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11031 | 109538 | — | — | — | Jul 22, 2026 | SEC_13F_DATASET |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC | 919185 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1309459 | 13016022 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Calamos Advisors LLC | 1316507 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 783000 | 7920045 | — | — | — | Jul 31, 2026 | SEC_13F_DATASET |
| Hudson Bay Capital Management LP | 1393825 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 50000 | 496500 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Ghisallo Capital Management LLC | 1825214 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 375000 | 3723750 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| OMERS ADMINISTRATION Corp | 1053321 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 626400 | 6282792 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Parallax Volatility Advisers, L.P. | 1521001 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 33790 | 9610 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Virtu Financial LLC | 1533964 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 36389 | 361 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| BNP PARIBAS FINANCIAL MARKETS | 1166588 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 742958 | 7377573 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| MILLENNIUM MANAGEMENT LLC | 1273087 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 765000 | 7596450 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| WHITEBOX ADVISORS LLC | 1257391 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 400000 | 3972000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| RIVERNORTH CAPITAL MANAGEMENT, LLC | 1447578 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 499531 | 4980324 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Clear Street Group Inc. | 1881567 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 118425 | 1187803 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Meteora Capital, LLC | 1905106 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 12532 | 124443 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| ARISTEIA CAPITAL, L.L.C. | 1080171 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2189405 | 21740792 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| SONA ASSET MANAGEMENT (US) LLC | 1856405 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1000000 | 9930000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| TUDOR INVESTMENT CORP ET AL | 923093 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 300000 | 3009000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
Informational research only, not financial advice. Forecasts are uncertain and can be wrong.