GigCapital8 Corp.
GIWWU- Exchange
- Nasdaq
- Industry
- Blank Checks
- SEC CIK
- 0002080019
No open-market purchases or sales by GigCapital8 Corp. insiders were filed in the last 90 days; 7 institutions reported holding it in 13F filings for Q2 2026, worth $3.67M in total; no superinvestor holds it.
Holders of 5% or more of GIWWU
Holders whose latest Schedule 13D or 13G filing reports 5% or more of GigCapital8 Corp., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Tenor Capital Management Co., L.P. | 13G | 6.70%1.50M shares | New | Nov 4, 20251 filing | Nov 4, 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
3 Schedule 13D and 13G filings on GigCapital8 Corp., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Feb 13, 20266:00 PM ET | Harraden Circle Investments, LLCand 7 others | 13G/A | 0.00%0 shares | −8.49 ppfrom 8.49%Below 5% | Dec 31, 2025 | SEC |
| Nov 4, 20259:20 PM ET | Tenor Capital Management Co., L.P.and 2 others | 13G | 6.70%1.50M shares | New | Oct 6, 2025 | SEC |
| Oct 10, 20256:00 PM ET | Harraden Circle Investments, LLCand 7 others | 13G | 8.49%2.18M shares | New | Oct 6, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell GigCapital8 Corp. shares.
No Form 144 notices for GigCapital8 Corp. are on file.