5 institutions reported holding $13.4M of SIDDHI ACQUISITION CORP (SDHIU) in SEC 13F filings for 2026-03-31. Largest institutional holders: Calamos Advisors LLC ($7.9M), LMR Partners LLP ($3.1M), Clear Street Group Inc. ($1.3M), JPMORGAN CHASE & CO ($1.0M), UBS Group AG ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Calamos Advisors LLC | $7.9M | 750,000 | Hold |
| 2 | LMR Partners LLP | $3.1M | 300,000 | Hold |
| 3 | Clear Street Group Inc. | $1.3M | 124,860 | Added |
| 4 | JPMORGAN CHASE & CO | $1.0M | 100,000 | Trimmed |
| 5 | UBS Group AG | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31