Siddhi Acquisition Corp (Cayman Islands)
SDHI- Exchange
- Nasdaq
- Industry
- Blank Checks
- SEC CIK
- 0002034037
No open-market purchases or sales by Siddhi Acquisition Corp (Cayman Islands) insiders were filed in the last 90 days; 51 institutions reported holding it in 13F filings for Q2 2026, worth $278.1M in total; no superinvestor holds it.
13F holders, Q3 2025
Institutional positions in Siddhi Acquisition Corp (Cayman Islands) as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 37
- +5 vs. Q2 2025
- Shares held
- 24.3M
- +2.90M (+13.6%) vs. Q2 2025
- Total value
- $246.3M
- +$30.4M (+14.1%) vs. Q2 2025
- New holders
- 7
- 8 more added
- Sold out
- 2
- 5 more reduced
1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting SDHI on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 51 | $278.1M |
| Q1 2026 | 48 | $265.0M |
| Q4 2025 | 44 | $262.9M |
| Q3 2025 | 37 | $246.3M |
| Q2 2025 | 33 | $217.0M |
| Q1 2025 | 0 | $0 |
| Q4 2024 | 0 | $0 |
| Q3 2024 | 0 | $0 |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding Siddhi Acquisition Corp (Cayman Islands); share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Healthcare of Ontario Pension Plan Trust Fund | 2,400,000 | $24.4M | 0.04% | 00.0% | Unchanged |
| Magnetar Financial LLC | 1,750,000 | $17.8M | 0.11% | 00.0% | Unchanged |
| Vivaldi Asset Management, LLC | 1,658,109 | $16.8M | 1.09% | 00.0% | Unchanged |
| Aristeia Capital LLC | 1,650,000 | $16.7M | 0.51% | 00.0% | Unchanged |
| Polar Asset Management Partners Inc. | 1,350,000 | $13.7M | 0.28% | 00.0% | Unchanged |
| CNH Partners LLC | 1,307,013 | $13.3M | 0.34% | −5,000−0.4% | Reduced |
| HGC Investment Management Inc. | 1,250,000 | $12.7M | 3.09% | +1,250,000 | New |
| Sculptor Capital LP | 1,246,984 | $12.7M | 0.17% | −253,016−16.9% | Reduced |
| Millennium Management LLC | 847,093 | $8.60M | 0.01% | +92,193+12.2% | Added |
| Linden Advisors LP | 800,000 | $8.12M | 0.05% | 00.0% | Unchanged |
| Alberta Investment Management Corp | 700,000 | $7.11M | 0.05% | 00.0% | Unchanged |
| Glazer Capital, LLC | 698,359 | $7.09M | 0.24% | 00.0% | Unchanged |
| Westchester Capital Management, LLC | 661,800 | $6.72M | 0.35% | 00.0% | Unchanged |
| Verition Fund Management LLC | 566,050 | $5.75M | 0.03% | −91,940−14.0% | Reduced |
| Radcliffe Capital Management, L.P. | 550,000 | $5.59M | 0.35% | +49,022+9.8% | Added |
| Hudson Bay Capital Management LP | 550,000 | $5.58M | 0.03% | 00.0% | Unchanged |
| Picton Mahoney Asset Management | 500,000 | $5.08M | 0.06% | +500,000 | New |
| Jain Global LLC | 500,000 | $5.08M | 0.07% | 00.0% | Unchanged |
| Periscope Capital Inc. | 425,000 | $4.32M | 1.05% | +25,000+6.3% | Added |
| Two Sigma Investments, LP | 415,579 | $4.22M | 0.01% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 412,987 | $4.19M | 0.00% | 00.0% | Unchanged |
| Shaolin Capital Management LLC | 411,268 | $4.17M | 0.20% | −88,732−17.7% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 400,000 | $4.06M | 0.02% | +400,000 | New |
| Schonfeld Strategic Advisors LLC | 395,829 | $4.02M | 0.03% | +145,829+58.3% | Added |
| Mizuho Securities USA LLC | 396,798 | $3.99M | 0.08% | +41,289+11.6% | Added |
| Meteora Capital, LLC | 378,945 | $3.85M | 0.41% | +181,669+92.1% | Added |
| HBK Investments L P | 300,000 | $3.04M | 0.04% | 00.0% | Unchanged |
| Moore Capital Management, LP | 300,000 | $3.04M | 0.06% | 00.0% | Unchanged |
| Rivernorth Capital Management, LLC | 297,500 | $3.02M | 0.17% | +297,500 | New |
| Karpus Management, Inc. | 270,650 | $2.75M | 0.09% | +270,650 | New |
| Berkley W R Corp | 224,124 | $2.27M | 0.15% | 00.0% | Unchanged |
| Toronto Dominion Bank | 193,623 | $1.97M | 0.00% | −89,006−31.5% | Reduced |
| Clear Street Group Inc. | 109,648 | $1.11M | 0.01% | +109,648 | New |
| Context Capital Management, LLC | 100,000 | $1.02M | 0.03% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 99,741 | $1.01M | 0.00% | +26,750+36.6% | Added |
| Wolverine Asset Management LLC | 94,796 | $962.2K | 0.01% | +74,780+373.6% | Added |
| DLD Asset Management, LP | 56,000 | $568.4K | 0.07% | +56,000 | New |
| Cantor Fitzgerald, L. P. | 0 | $0 | 0.00% | −74,780−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −19,328−100.0% | Sold out |
| Clear Street LLC | – | – | – | – | Not filed |