Who Owns SIDDHI ACQUISITION CORP (SDHIR)? -- Institutional Holders (2026-06-30)
37 institutions reported holding $6.1M of SIDDHI ACQUISITION CORP (SDHIR) in SEC 13F filings for 2026-06-30. Largest institutional holders: HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND ($547,200), Linden Advisors LP ($460,000), Magnetar Financial LLC ($402,500), ARISTEIA CAPITAL, L.L.C. ($399,300), Sculptor Capital LP ($399,033). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | $547,200 | 2.4M | Hold |
| 2 | Linden Advisors LP | $460,000 | 2.0M | Hold |
| 3 | Magnetar Financial LLC | $402,500 | 1.8M | Hold |
| 4 | ARISTEIA CAPITAL, L.L.C. | $399,300 | 1.6M | Hold |
| 5 | Sculptor Capital LP | $399,033 | 1.6M | Hold |
| 6 | TENOR CAPITAL MANAGEMENT Co., L.P. | $332,653 | 1.4M | Hold |
| 7 | Polar Asset Management Partners Inc. | $326,700 | 1.4M | Hold |
| 8 | HGC Investment Management Inc. | $302,500 | 1.2M | Hold |
| 9 | AQR Arbitrage LLC | $300,126 | 1.3M | Added |
| 10 | Verition Fund Management LLC | $275,136 | 1.1M | Trimmed |
| 11 | MILLENNIUM MANAGEMENT LLC | $240,790 | 995,000 | Hold |
| 12 | METEORA CAPITAL, LLC | $184,685 | 763,161 | Trimmed |
| 13 | Calamos Advisors LLC | $172,500 | 750,000 | New |
| 14 | Alberta Investment Management Corp | $169,400 | 700,000 | Hold |
| 15 | Hudson Bay Capital Management LP | $124,786 | 547,305 | Trimmed |
| 16 | Periscope Capital Inc. | $121,000 | 500,000 | Hold |
| 17 | PICTON MAHONEY ASSET MANAGEMENT | $114,000 | 500,000 | Hold |
| 18 | Shaolin Capital Management LLC | $104,625 | 432,335 | Added |
| 19 | HIGHBRIDGE CAPITAL MANAGEMENT LLC | $102,363 | 448,959 | Trimmed |
| 20 | BNP PARIBAS FINANCIAL MARKETS | $99,943 | 412,987 | Hold |
| 21 | COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | $96,800 | 400,000 | Hold |
| 22 | TORONTO DOMINION BANK | $91,584 | 378,446 | Added |
| 23 | Radcliffe Capital Management, L.P. | $86,778 | 377,295 | Hold |
| 24 | MOORE CAPITAL MANAGEMENT, LP | $72,600 | 300,000 | Hold |
| 25 | RIVERNORTH CAPITAL MANAGEMENT, LLC | $70,018 | 399,872 | Hold |
Source: SEC Form 13F filings · as of 2026-06-30