Latest Period
Q1 2026
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
48
Shares (Excl. Options)
25,602,238
Price
$10.34
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- Security type / class
- Equity / Class A ordinary shares, $0.0001 par value
- Symbol
- SDHI on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 25,602,238
- Total 13F value
- $264,957,473
- Portfolio coverage rank
- 0%
- Share change
- -38,616
- Value change
- -$287,238
- Number of holders
- 48
- Shares outstanding
- 27,678,571
- SEC-reported price per share
- $10.34
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
2 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- SDHI - Siddhi Acquisition Corp (Cayman Islands) - Class A ordinary shares, $0.0001 par value is tracked under CUSIP G8118C124.
- 48 institutions reported positions in Q1 2026.
- 5 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 44 to 48 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $262,948,080 to $264,957,473.
Research use
- 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.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 48 institutions filings for Q1 2026.
Security key
G8118C124
Latest holder period
Q1 2026
13F holders
48
13D/G owners
5
CIK / CUSIP context first
Open Q1 2026 holders
SDHI full holder history
Siddhi Acquisition Corp (Cayman Islands) SEC filings
Siddhi Acquisition Corp (Cayman Islands) company facts
Siddhi Acquisition Corp (Cayman Islands) insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP G8118C124:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
5
Security
SDHI
| 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 Mar 2026, 48 institutional investors reported holding 25,602,238 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.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
79%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Magnetar Financial LLC | 6.3% | 1,750,000 | 0% | 0.18% | $18,095,000 |
| ARISTEIA CAPITAL, L.L.C. | 6% | 1,650,000 | 0% | 0.39% | $17,061,000 |
| TENOR CAPITAL MANAGEMENT Co., L.P. | 5% | 1,374,599 | 0% | 0.22% | $14,213,354 |
| First Trust Capital Management L.P. | 4.7% | 1,303,359 | -21% | 0.71% | $13,476,732 |
| AQR Arbitrage LLC | 4.5% | 1,254,088 | -4% | 0.21% | $13,017,433 |
| HGC Investment Management Inc. | 4.5% | 1,250,000 | 0% | 2.9% | $12,925,000 |
| Westchester Capital Management, LLC | 4.5% | 1,249,197 | -7.4% | 0.63% | $12,966,666 |
| METEORA CAPITAL, LLC | 4.1% | 1,133,331 | -0.09% | 0.86% | $11,684,643 |
| Hudson Bay Capital Management LP | 3.7% | 1,025,000 | 0% | 0.06% | $10,639,500 |
| Polar Asset Management Partners Inc. | 3.6% | 1,000,000 | 0% | 0.25% | $10,340,000 |
| Shaolin Capital Management LLC | 2.9% | 814,600 | +36% | 0.7% | $8,422,964 |
| Linden Advisors LP | 2.9% | 800,000 | 0% | 0.05% | $8,304,000 |
| MILLENNIUM MANAGEMENT LLC | 2.7% | 744,900 | -12% | 0.01% | $7,702,266 |
| Alberta Investment Management Corp | 2.5% | 700,000 | 0% | 0.04% | $7,266,000 |
| GLAZER CAPITAL, LLC | 2.5% | 697,746 | -0.09% | 0.15% | $7,194,000 |
| Radcliffe Capital Management, L.P. | 2.5% | 693,837 | +1.5% | 0.55% | $7,181,213 |
| WOLVERINE ASSET MANAGEMENT LLC | 2.4% | 666,151 | +294% | 0.11% | $6,914,647 |
| D. E. Shaw & Co., Inc. | 2.4% | 661,578 | +309% | 0.01% | $6,867,180 |
| Verition Fund Management LLC | 2% | 566,807 | -4.3% | 0.06% | $5,883,457 |
| PICTON MAHONEY ASSET MANAGEMENT | 1.8% | 500,000 | 0% | 0.05% | $5,190,000 |
| BERKLEY W R CORP | 1.7% | 473,618 | +111% | 0.26% | $4,901,946 |
| TWO SIGMA INVESTMENTS, LP | 1.5% | 415,579 | 0% | 0% | $4,284,619 |
| GOLDMAN SACHS GROUP INC | 1.5% | 413,259 | +0.06% | 0% | $4,260,700 |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | 1.4% | 400,000 | 0% | 0.02% | $4,140,000 |
| Jain Global LLC | 1.4% | 399,884 | -20% | 0.05% | $4,150,796 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
4
Latest
Q1 2026
Rows shown
1-4 of 4
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 25,602,238 | $264,957,473 | -$287,238 | $10.34 | 48 |
| 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 |