Latest Period
Q4 2025
Security Snapshot
Siddhi Acquisition Corp (Cayman Islands) - Class A ordinary shares, $0.0001 par value (SDHI) Institutional Ownership
CUSIP: G8118C124
13F Institutional Holders and Ownership History from Q2 2025 to Q1 2026
Institutions Reporting
44
Shares (Excl. Options)
25,589,544
Price
$10.28
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- Type / Class
- Equity / Class A ordinary shares, $0.0001 par value
- Symbol
- SDHI on Nasdaq
- Shares outstanding
- 27,678,571
- Price per share
- $10.35
- 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
Quick Takeaways
- SDHI - Siddhi Acquisition Corp (Cayman Islands) - Class A ordinary shares, $0.0001 par value is tracked under CUSIP G8118C124.
- 44 institutions reported positions in Q4 2025.
- 5 significant owners is listed from Schedule 13D/13G reporting.
What Changed
- Holder count moved from 44 to 5 between Q4 2025 and Q1 2026.
- Reported value moved from $262,948,080 to $19,613,147.
Why This Matters
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Source Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 44 institutions filings for Q4 2025.
Investment Quick Answers
What is CUSIP G8118C124?
CUSIP G8118C124 identifies SDHI - Siddhi Acquisition Corp (Cayman Islands) - Class A ordinary shares, $0.0001 par value in SEC 13F datasets.
Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.
Next ownership checks
Use the next link that matches the question you still need to answer about this security.
- Latest 13F filings when you want to inspect fresh institutional portfolio moves.
- Latest Schedule 13D/13G reports when you need large-owner changes outside the 13F cycle.
- All institutional ownership pages to compare this security with other holder-history pages.
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP G8118C124:
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 |
| 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 |
| Sculptor Capital LP | 1.8% | 500,000 | -60% | 0.06% | $5,140,000 |
| 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 |
|---|---|---|---|---|---|
| 2026 Q1 | 1,891,151 | $19,613,147 | +$5,161,008 | $10.35 | 5 |
| 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 |