Siddhi Acquisition Corp (Cayman Islands) - Class A ordinary shares, $0.0001 par value (SDHI) Institutional Ownership

13F Institutional Holders and Ownership History from Q2 2025 to Q4 2025

Type / Class
Equity / Class A ordinary shares, $0.0001 par value
Symbol
SDHI on Nasdaq
Shares outstanding
27,678,571
Price per share
$10.27
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
25,589,544
Total reported value
$262,948,080
% of total 13F portfolios
0%
Share change
+1,021,648
Value change
+$10,526,225
Number of holders
44
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Siddhi Acquisition Corp (Cayman Islands) - Class A ordinary shares, $0.0001 par value (SDHI) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Siddhi Sponsor LLC 21% 7,238,000 Siddhi Sponsor LLC 31 Mar 2025
Magnetar Financial LLC 6.3% $17,640,000 1,750,000 MAGNETAR FINANCIAL LLC 30 Jun 2025
First Trust Capital Management L.P. 6.1% $17,167,339 1,703,109 First Trust Capital Management L.P. 30 Jun 2025
ARISTEIA CAPITAL, L.L.C. 5.9% $16,632,000 1,650,000 Aristeia Capital, L.L.C. 30 Jun 2025
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 2.8% $7,967,000 775,000 Healthcare of Ontario Pension Plan Trust Fund 31 Dec 2025

As of 31 Dec 2025, 44 institutional investors reported holding 25,589,544 shares of Siddhi Acquisition Corp (Cayman Islands) - Class A ordinary shares, $0.0001 par value (SDHI). This represents 92% of the company’s total 27,678,571 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Siddhi Acquisition Corp (Cayman Islands) - Class A ordinary shares, $0.0001 par value (SDHI) together control 81% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
Magnetar Financial LLC 6.3% 1,750,000 0% 0.18% $17,972,500
First Trust Capital Management L.P. 6% 1,658,359 +0.02% 1% $17,047,931
ARISTEIA CAPITAL, L.L.C. 6% 1,650,000 0% 0.48% $16,962,000
TENOR CAPITAL MANAGEMENT Co., L.P. 5% 1,374,599 0.2% $14,130,878
Westchester Capital Management, LLC 4.9% 1,349,197 +104% 0.65% $13,856,253
AQR Arbitrage LLC 4.7% 1,307,013 0% 0.28% $13,423,024
HGC Investment Management Inc. 4.5% 1,250,000 0% 2.7% $12,850,000
METEORA CAPITAL, LLC 4.1% 1,134,312 +199% 0.98% $11,660,727
Hudson Bay Capital Management LP 3.7% 1,025,000 +86% 0.06% $10,526,750
Polar Asset Management Partners Inc. 3.6% 1,000,000 -26% 0.2% $10,280,000
MILLENNIUM MANAGEMENT LLC 3.1% 847,093 0% 0.01% $8,708,116
Linden Advisors LP 2.9% 800,000 0% 0.05% $8,216,000
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 2.8% 775,000 -68% 0.01% $7,959,250
Alberta Investment Management Corp 2.5% 700,000 0% 0.04% $7,189,000
Glazer Capital, LLC 2.5% 698,359 0% 0.19% $7,179,000
Radcliffe Capital Management, L.P. 2.5% 683,370 +24% 0.38% $7,025,044
Shaolin Capital Management LLC 2.2% 600,000 +46% 0.23% $6,168,000
Verition Fund Management LLC 2.1% 592,122 +4.6% 0.03% $6,081,093
Sculptor Capital LP 1.8% 500,000 -60% 0.06% $5,140,000
PICTON MAHONEY ASSET MANAGEMENT 1.8% 500,000 0% 0.06% $5,140,000
Jain Global LLC 1.8% 500,000 0% 0.05% $5,135,000
TWO SIGMA INVESTMENTS, LP 1.5% 415,579 0% 0.01% $4,272,152
GOLDMAN SACHS GROUP INC 1.5% 413,012 +0.01% 0% $4,245,763
Periscope Capital Inc. 1.5% 411,800 -3.1% 0.82% $4,233,304
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 1.4% 400,000 0% 0.02% $4,112,000

Institutional Holders of Siddhi Acquisition Corp (Cayman Islands) - Class A ordinary shares, $0.0001 par value (SDHI) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 25,589,544 $262,948,080 +$10,526,225 $10.28 44
2025 Q3 24,267,896 $246,306,725 +$28,313,272 $10.15 37
2025 Q2 21,472,537 $216,950,380 +$213,395,290 $10.11 33