Siddhi Acquisition Corp (Cayman Islands) - Class A Ordinary Shares, par value $0.0001 per share ("Ordinary Shares") (SDHI) Institutional Ownership

13F Institutional Holders and Ownership History from Q2 2025 to Q3 2025

Type / Class
Equity / Class A Ordinary Shares, par value $0.0001 per share ("Ordinary Shares")
Symbol
SDHI on Nasdaq
Shares outstanding
27,919,820
Price per share
$10.28
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
24,267,896
Total reported value
$246,306,725
% of total 13F portfolios
0%
Share change
+2,788,880
Value change
+$28,313,272
Number of holders
37
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Siddhi Acquisition Corp (Cayman Islands) - Class A Ordinary Shares, par value $0.0001 per share ("Ordinary Shares") (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
BANK OF MONTREAL /CAN/ 9.7% 2,700,000 Bank of Montreal 30 Jun 2025
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 8.6% $24,336,000 2,400,000 Healthcare of Ontario Pension Plan Trust Fund 30 Jun 2025
Magnetar Financial LLC 6.3% 1,750,000 MAGNETAR FINANCIAL LLC 30 Jun 2025
First Trust Capital Management L.P. 6.1% $17,269,525 1,703,109 First Trust Capital Management L.P. 30 Jun 2025
ARISTEIA CAPITAL, L.L.C. 5.9% $16,731,000 1,650,000 Aristeia Capital, L.L.C. 30 Jun 2025

As of 30 Sep 2025, 37 institutional investors reported holding 24,267,896 shares of Siddhi Acquisition Corp (Cayman Islands) - Class A Ordinary Shares, par value $0.0001 per share ("Ordinary Shares") (SDHI). This represents 87% of the company’s total 27,919,820 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Siddhi Acquisition Corp (Cayman Islands) - Class A Ordinary Shares, par value $0.0001 per share ("Ordinary Shares") (SDHI) together control 78% 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
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 8.6% 2,400,000 0% 0.04% $24,360,000
Magnetar Financial LLC 6.3% 1,750,000 0% 0.11% $17,771,250
First Trust Capital Management L.P. 5.9% 1,658,109 0% 1.1% $16,829,806
ARISTEIA CAPITAL, L.L.C. 5.9% 1,650,000 0% 0.51% $16,747,500
Polar Asset Management Partners Inc. 4.8% 1,350,000 0% 0.28% $13,702,500
AQR Arbitrage LLC 4.7% 1,307,013 -0.38% 0.34% $13,266,182
HGC Investment Management Inc. 4.5% 1,250,000 3.1% $12,687,500
Sculptor Capital LP 4.5% 1,246,984 -17% 0.17% $12,656,888
MILLENNIUM MANAGEMENT LLC 3% 847,093 +12% 0.01% $8,597,994
Linden Advisors LP 2.9% 800,000 0% 0.05% $8,124,000
Alberta Investment Management Corp 2.5% 700,000 0% 0.07% $7,105,000
GLAZER CAPITAL, LLC 2.5% 698,359 0% 0.24% $7,088,000
Westchester Capital Management, LLC 2.4% 661,800 0% 0.35% $6,717,270
Verition Fund Management LLC 2% 566,050 -14% 0.03% $5,745,408
Radcliffe Capital Management, L.P. 2% 550,000 +9.8% 0.35% $5,585,250
Hudson Bay Capital Management LP 2% 550,000 0% 0.03% $5,582,500
Jain Global LLC 1.8% 500,000 0% 0.07% $5,077,500
PICTON MAHONEY ASSET MANAGEMENT 1.8% 500,000 0.06% $5,078,000
Periscope Capital Inc. 1.5% 425,000 +6.2% 1% $4,315,875
TWO SIGMA INVESTMENTS, LP 1.5% 415,579 0% 0.01% $4,218,127
GOLDMAN SACHS GROUP INC 1.5% 412,987 0% 0% $4,191,818
Shaolin Capital Management LLC 1.5% 411,268 -18% 0.2% $4,174,370
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 1.4% 400,000 0.02% $4,062,000
MIZUHO SECURITIES USA LLC 1.4% 396,798 +12% 0.08% $3,987,820
Schonfeld Strategic Advisors LLC 1.4% 395,829 +58% 0.03% $4,019,643

Institutional Holders of Siddhi Acquisition Corp (Cayman Islands) - Class A Ordinary Shares, par value $0.0001 per share ("Ordinary Shares") (SDHI) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q3 24,267,896 $246,306,725 +$28,313,272 $10.15 37
2025 Q2 21,472,537 $216,950,380 +$213,395,281 $10.11 33