Who owns Siddhi Acquisition Corp (Cayman Islands)?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of SDHI from SEC Form 13F filings across 51 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 51 institutions disclosed 26.8M shares of Siddhi Acquisition Corp (Cayman Islands) worth $279.4M — about 97.3% of shares outstanding; the largest disclosed holder is Magnetar Financial LLC. Source: SEC Form 13F filings, parsed by EvidInvest.
51
13F holders
$279.4M
value, 2026 filers
97.3%
of shares outstanding (26.8M sh)
4
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of SDHI's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Magnetar Financial LLC | 1.8M | $18.2M | 0.2% | 6.3% | 0.0% |
| 2 | ARISTEIA CAPITAL, L.L.C. | 1.6M | $17.2M | 0.2% | 6% | 0.0% |
| 3 | TENOR CAPITAL MANAGEMENT Co., L.P. | 1.4M | $14.3M | 0.2% | 5% | 0.0% |
| 4 | First Trust Capital Management L.P. | 1.3M | $13.6M | 0.8% | 4.7% | 0.0% |
| 5 | AQR Arbitrage LLC | 1.3M | $13.1M | 0.2% | 4.6% | +0.6% |
| 6 | HGC Investment Management Inc. | 1.3M | $13.0M | 2.6% | 4.5% | 0.0% |
| 7 | Westchester Capital Management, LLC | 1.2M | $13.0M | 0.6% | 4.5% | 0.0% |
| 8 | Hudson Bay Capital Management LP | 1.0M | $10.7M | 0.0% | 3.7% | 0.0% |
| 9 | Polar Asset Management Partners Inc. | 1.0M | $10.4M | 0.2% | 3.6% | 0.0% |
| 10 | BERKLEY W R CORP | 826,986 | $8.6M | 0.4% | 3% | +74.6% |
| 11 | Linden Advisors LP | 800,000 | $8.3M | 0.0% | 2.9% | 0.0% |
| 12 | Calamos Advisors LLCNEW | 750,000 | $7.8M | 0.0% | 2.7% | new |
| 13 | MILLENNIUM MANAGEMENT LLC | 744,900 | $7.8M | 0.0% | 2.7% | 0.0% |
| 14 | WOLVERINE ASSET MANAGEMENT LLC | 744,568 | $7.7M | 0.1% | 2.7% | +11.8% |
| 15 | Shaolin Capital Management LLC | 731,588 | $7.6M | 0.4% | 2.7% | -10.2% |
| 16 | Alberta Investment Management Corp | 700,000 | $7.3M | 0.0% | 2.5% | 0.0% |
| 17 | GLAZER CAPITAL, LLC | 697,723 | $7.3M | 0.2% | 2.5% | 0.0% |
| 18 | Radcliffe Capital Management, L.P. | 693,837 | $7.2M | 0.5% | 2.5% | 0.0% |
| 19 | D. E. Shaw & Co., Inc. | 661,578 | $6.9M | 0.0% | 2.4% | 0.0% |
| 20 | Meteora Capital, LLC | 602,322 | $6.3M | 0.5% | 2.2% | -46.9% |
| 21 | Verition Fund Management LLC | 566,171 | $5.9M | 0.0% | 2.1% | -0.1% |
| 22 | PICTON MAHONEY ASSET MANAGEMENT | 500,000 | $5.2M | 0.0% | 1.8% | 0.0% |
| 23 | Crossingbridge Advisors, LLC | 460,000 | $4.8M | 0.8% | 1.7% | +130.0% |
| 24 | TWO SIGMA INVESTMENTS, LP | 415,579 | $4.3M | 0.0% | 1.5% | 0.0% |
| 25 | GOLDMAN SACHS GROUP INC | 413,259 | $4.3M | 0.0% | 1.5% | 0.0% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.