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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.

Other share classesGIWGIWWR

13F holders, Q1 2026

Institutional positions in GigCapital8 Corp. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
9
−9 vs. Q4 2025
Shares held
798.7K
−3.61M (−81.9%) vs. Q4 2025
Total value
$8.21M
−$36.7M (−81.7%) vs. Q4 2025
New holders
2
1 more added
Sold out
11
2 more reduced

Compare with Q4 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting GIWWU on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2026: 9 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 0 institutionsQ1 2023: 0 institutionsQ2 2023: 0 institutionsQ3 2023: 0 institutionsQ4 2023: 0 institutionsQ1 2024: 0 institutionsQ2 2024: 0 institutionsQ3 2024: 0 institutionsQ4 2024: 0 institutionsQ1 2025: 0 institutionsQ2 2025: 0 institutionsQ3 2025: 0 institutionsQ4 2025: 18 institutionsQ1 2026: 9 institutionsQ2 2026: 7 institutions
Value heldQ1 2026: $8.21M
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $0Q1 2023: $0Q2 2023: $0Q3 2023: $0Q4 2023: $0Q1 2024: $0Q2 2024: $0Q3 2024: $0Q4 2024: $0Q1 2025: $0Q2 2025: $0Q3 2025: $0Q4 2025: $44.9MQ1 2026: $8.21MQ2 2026: $3.67M
Institutions holding GIWWU and their total value by quarter
QuarterHoldersValue
Q2 20267$3.67M
Q1 20269$8.21M
Q4 202518$44.9M
Q3 20250$0
Q2 20250$0
Q1 20250$0
Q4 20240$0
Q3 20240$0
Q2 20240$0
Q1 20240$0
Q4 20230$0
Q3 20230$0
Q2 20230$0
Q1 20230$0
Q4 20220$0
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding GigCapital8 Corp.; share changes are against Q4 2025.

Institutions holding GIWWU in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
HGC Investment Management Inc.250,000$2.59M0.57%00.0%Unchanged
Verition Fund Management LLC200,000$2.05M0.02%00.0%Unchanged
Clear Street Group Inc.187,222$1.94M0.01%+93,552+99.9%Added
HRT Financial LP50,798$520.0K0.00%−2,286−4.3%Reduced
Toronto Dominion Bank49,978$517.3K0.00%−425,022−89.5%Reduced
Lynrock Lake LP50,000$486.9K0.03%00.0%Unchanged
Stoic Point Capital Management LLC10,417$106.3K0.10%00.0%Unchanged
UBS Group AG250$2.55K0.00%+250New
Mather Group, LLC.5$510.00%+5New
Magnetar Financial LLC0$00.00%−695,261−100.0%Sold out
Rivernorth Capital Management, LLC0$00.00%−599,512−100.0%Sold out
Millennium Management LLC0$00.00%−464,234−100.0%Sold out
Gabelli & Co Investment Advisers, Inc.0$00.00%−299,871−100.0%Sold out
Crossingbridge Advisors, LLC0$00.00%−274,996−100.0%Sold out
Gabelli Funds LLC0$00.00%−255,300−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−244,559−100.0%Sold out
Heights Capital Management, Inc0$00.00%−141,683−100.0%Sold out
Mercuria Capital Strategies, LLC0$00.00%−125,000−100.0%Sold out
Wealthspring Capital LLC0$00.00%−100,000−100.0%Sold out
Quarry LP0$00.00%−75,000−100.0%Sold out