GigCapital9 Corp.
GIXXU- Exchange
- Nasdaq
- Industry
- Blank Checks
- SEC CIK
- 0002098712
No open-market purchases or sales by GigCapital9 Corp. insiders were filed in the last 90 days; 12 institutions reported holding it in 13F filings for Q2 2026, worth $33.0M in total; no superinvestor holds it.
Holders of 5% or more of GIXXU
Holders whose latest Schedule 13D or 13G filing reports 5% or more of GigCapital9 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 | 8.60%2.18M shares | New | Feb 2, 20261 filing | Feb 2, 2026 | 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
4 Schedule 13D and 13G filings on GigCapital9 Corp., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| May 14, 20266:00 PM ET | Harraden Circle Investments, LLCand 7 others | 13G/A | 0.00%0 shares | −9.99 ppfrom 9.99%Below 5% | Mar 31, 2026 | SEC |
| Feb 3, 20266:00 PM ET | Harraden Circle Investments, LLCand 7 others | 13G | 9.99%2.57M shares | New | Jan 27, 2026 | SEC |
| Feb 3, 20264:31 PM ET | Millennium Management LLCand 2 others | 13G | 4.60%1.18M shares | NewBelow 5% | Jan 27, 2026 | SEC |
| Feb 2, 20264:58 PM ET | Tenor Capital Management Co., L.P.and 2 others | 13G | 8.60%2.18M shares | New | Jan 27, 2026 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell GigCapital9 Corp. shares.
No Form 144 notices for GigCapital9 Corp. are on file.