5 institutions reported holding $16.6M of GIGCAPITAL8 CORP (GIW) in SEC 13F filings for 2026-06-30. Largest institutional holders: MIZUHO SECURITIES USA LLC ($8.0M), Mercuria Capital Strategies, LLC ($5.0M), COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS ($3.0M), ABC ARBITRAGE SA ($352,412), Wellspring Financial Advisors, LLC ($151,035). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | MIZUHO SECURITIES USA LLC | $8.0M | 805,313 | Added |
| 2 | Mercuria Capital Strategies, LLC | $5.0M | 500,000 | Hold |
| 3 | COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | $3.0M | 300,000 | Hold |
| 4 | ABC ARBITRAGE SA | $352,412 | 35,000 | Trimmed |
| 5 | Wellspring Financial Advisors, LLC | $151,035 | 15,000 | Hold |
Source: SEC Form 13F filings · as of 2026-06-30