Siddhi Acquisition Corp (Cayman Islands) SDHIR Institutional Ownership

Ownership Summary

Siddhi Acquisition Corp (Cayman Islands) (NASDAQ:SDHIR) appears in 36 institutional 13F filings for the quarter ending March 2026.

• Their combined ownership stood at 91.7% of outstanding shares in March 2026, down from 121.6% in December 2025.
• Their total shares held in SDHIR decreased -0.73% from the prior quarter, while the number of investors in Siddhi Acquisition Corp (Cayman Islands) stayed flat year over year.
• Among the 36 funds, 3 bought more Siddhi Acquisition Corp (Cayman Islands) shares, 6 sold down, and 27 held their ground.
• Altogether, these fund groups held 25.3Mn shares in SDHIR by March 2026, down by 185.7K shares quarter on quarter, and with no net change year over year.
• HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND holds the largest position in SDHIR at 2.4Mn shares as of March 31, 2026, or 8.7% of shares outstanding.
• The most significant purchases of SDHIR for the quarter ending March 2026 came from Jpmorgan Chase & Co (483.67K), K2 PRINCIPAL FUND, L.P. (138.99K), Centiva Capital, LP (31.27K).
• The biggest sellers of Siddhi Acquisition Corp (Cayman Islands) for the quarter ending March 2026 included Alberta Investment Management Corp (700.0K), Verition Fund Management LLC (50.0K), METEORA CAPITAL, LLC (49.71K), AQR Arbitrage LLC (31.62K), Clear Street Group Inc. (7.5K).
• Per Business Quant data, the top 10 holders of Siddhi Acquisition Corp (Cayman Islands) for the quarter ending March 2026 are HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND (2.4Mn), LINDEN ADVISORS LP (2.0Mn), Magnetar Financial LLC (1.75Mn), ARISTEIA CAPITAL, L.L.C. (1.65Mn), Sculptor Capital LP (1.65Mn), TENOR CAPITAL MANAGEMENT Co., L.P. (1.37Mn), Polar Asset Management Partners Inc. (1.35Mn), AQR Arbitrage LLC (1.31Mn), HGC Investment Management Inc. (1.25Mn), Verition Fund Management LLC (1.24Mn).