Latest Period
Q1 2026
Security Snapshot
GigCapital8 Corp - Class A ordinary shares, $0.0001 par value per share (GIWWU) Institutional Ownership
CUSIP: G3864J126
13F Institutional Holders and Ownership History from Q4 2025 to Q1 2026
Institutions Reporting
9
Shares (Excl. Options)
798,670
Price
$10.24
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- Type / Class
- Equity / Class A ordinary shares, $0.0001 par value per share
- Symbol
- GIWWU on Nasdaq
- Shares outstanding
- 25,646,537
- Price per share
- $10.24
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 798,670
- Total reported value
- $8,208,244
- % of total 13F portfolios
- 0%
- Share change
- -3,608,917
- Value change
- -$36,857,636
- Number of holders
- 9
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Key facts
- GIWWU - GigCapital8 Corp - Class A ordinary shares, $0.0001 par value per share is tracked under CUSIP G3864J126.
- 9 institutions reported positions in Q1 2026.
- 2 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 18 to 9 between Q4 2025 and Q1 2026.
- Reported value moved from $44,931,230 to $8,208,244.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 9 institutions filings for Q1 2026.
Security key
G3864J126
Latest holder period
Q1 2026
13F holders
9
13D/G owners
2
CIK / CUSIP context first
Open Q1 2026 holders
GIWWU full holder history
GigCapital8 Corp. SEC filings
GigCapital8 Corp. company facts
GigCapital8 Corp. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP G3864J126:
Significant Owners of GigCapital8 Corp - Class A ordinary shares, $0.0001 par value per share (GIWWU) based on Schedule 13D/G filings
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| TENOR CAPITAL MANAGEMENT Co., L.P. | 6.7% | 1,500,000 | Tenor Capital Management Company, L.P. | 06 Oct 2025 | ||||
| Westchester Capital Management, LLC | 5.1% | $13,445,966 | 1,318,232 | Westchester Capital Management, LLC | 31 Mar 2026 |
As of 31 Mar 2026, 9 institutional investors reported holding 798,670 shares of GigCapital8 Corp - Class A ordinary shares, $0.0001 par value per share (GIWWU). This represents 3.1% of the company’s total 25,646,537 outstanding shares.