2 institutions reported holding $195,533 of SPARK I ACQUISITION CORP (SPKLU) in SEC 13F filings for 2026-03-31. Largest institutional holders: Clear Street Group Inc. ($192,850), UBS Group AG ($2,683). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Clear Street Group Inc. | $192,850 | 17,973 | Hold |
| 2 | UBS Group AG | $2,683 | 250 | Hold |
Source: SEC Form 13F filings · as of 2026-03-31