Siddhi Acquisition Corp (Cayman Islands)
SDHI- Exchange
- Nasdaq
- Industry
- Blank Checks
- SEC CIK
- 0002034037
No open-market purchases or sales by Siddhi Acquisition Corp (Cayman Islands) insiders were filed in the last 90 days; 51 institutions reported holding it in 13F filings for Q2 2026, worth $278.1M in total; no superinvestor holds it.
Holders of 5% or more of SDHI
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Siddhi Acquisition Corp (Cayman Islands), largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Siddhi Sponsor LLC | 13G | 20.80%7.24M shares | New | May 12, 20251 filing | May 12, 2025 | SEC |
| Magnetar Financial LLC | 13G | 6.26%1.75M shares | New | Aug 8, 20251 filing | Aug 8, 2025 | SEC |
| Vivaldi Asset Management, LLC | 13G | 6.10%1.70M shares | New | Aug 14, 20251 filing | Aug 14, 2025 | SEC |
| Aristeia Capital LLC | 13G | 5.91%1.65M shares | New | Aug 14, 20251 filing | Aug 14, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
10 Schedule 13D and 13G filings on Siddhi Acquisition Corp (Cayman Islands), newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Feb 13, 20264:00 PM ET | Healthcare of Ontario Pension Plan Trust Fund | 13G/A | 2.80%775.0K shares | –Below 5% | Dec 31, 2025 | SEC |
| Feb 12, 20266:58 AM ET | Bank of Montrealand 2 others | 13G/A | 0.00%0 shares | −9.66 ppfrom 9.66%Below 5% | Dec 31, 2025 | SEC |
| Nov 14, 20254:05 PM ET | Sculptor Capital LPand 6 others | 13G/A | 4.46%1.25M shares | −0.91 ppfrom 5.37%Below 5% | Sep 30, 2025 | SEC |
| Aug 14, 20254:01 PM ET | Sculptor Capital LPand 6 others | 13G/A | 5.37%1.50M shares | −1.92 ppfrom 7.29% | Jun 30, 2025 | SEC |
| Aug 14, 20251:38 PM ET | Vivaldi Asset Management, LLCand 2 others | 13G | 6.10%1.70M shares | New | Jun 30, 2025 | SEC |
| Aug 14, 20259:55 AM ET | Aristeia Capital LLC | 13G | 5.91%1.65M shares | New | Jun 30, 2025 | SEC |
| Aug 8, 20259:30 AM ET | Magnetar Financial LLCand 3 others | 13G | 6.26%1.75M shares | New | Jun 30, 2025 | SEC |
| Jul 31, 20254:54 PM ET | Bank of Montrealand 2 others | 13G | 9.66%2.70M shares | New | Jun 30, 2025 | SEC |
| May 12, 20257:53 PM ET | Siddhi Sponsor LLCand 1 other | 13G | 20.80%7.24M shares | New | Mar 31, 2025 | SEC |
| Apr 8, 20255:14 PM ET | Sculptor Capital LPand 6 others | 13G | 7.29%1.75M shares | New | Jan 4, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Siddhi Acquisition Corp (Cayman Islands) shares.
No Form 144 notices for Siddhi Acquisition Corp (Cayman Islands) are on file.