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GigCapital8 Corp.

GIW
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; 53 institutions reported holding it in 13F filings for Q2 2026, worth $241.9M in total; no superinvestor holds it.

Other share classesGIWWRGIWWU

13F holders, Q4 2025

Institutional positions in GigCapital8 Corp. as of Dec 31, 2025. 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
44
+44 vs. Q3 2025
Shares held
19.5M
+19.5M vs. Q3 2025
Total value
$193.0M
+$193.0M vs. Q3 2025
New holders
44
0 more added
Sold out
0
0 more reduced

Compare with Q3 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting GIW 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 holdersQ4 2025: 44 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: 44 institutionsQ1 2026: 53 institutionsQ2 2026: 53 institutions
Value heldQ4 2025: $193.0M
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: $193.0MQ1 2026: $236.4MQ2 2026: $241.9M
Institutions holding GIW and their total value by quarter
QuarterHoldersValue
Q2 202653$241.9M
Q1 202653$236.4M
Q4 202544$193.0M
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, Q4 2025

Shares, value and share of portfolio for each institution holding GigCapital8 Corp.; share changes are against Q3 2025.

Institutions holding GIW in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Glazer Capital, LLC2,175,283$21.5M0.57%+2,175,283New
CNH Partners LLC1,694,769$16.8M0.35%+1,694,769New
Tenor Capital Management Co., L.P.1,500,000$14.8M0.21%+1,500,000New
Berkley W R Corp1,289,470$12.8M0.71%+1,289,470New
Westchester Capital Management, LLC1,080,000$10.7M0.50%+1,080,000New
Yakira Capital Management, Inc.948,000$9.38M3.15%+948,000New
Aristeia Capital LLC850,000$8.41M0.24%+850,000New
Polar Asset Management Partners Inc.850,000$8.41M0.17%+850,000New
Whitebox Advisors LLC800,000$7.91M0.13%+800,000New
D. E. Shaw & Co., Inc.759,000$7.51M0.01%+759,000New
Radcliffe Capital Management, L.P.650,000$6.43M0.35%+650,000New
Mizuho Securities USA LLC550,000$5.44M0.09%+550,000New
Logan Stone Capital, LLC512,612$5.07M1.25%+512,612New
BNP Paribas Arbitrage, SA483,231$4.78M0.00%+483,231New
Picton Mahoney Asset Management425,000$4.21M0.05%+425,000New
Alpine Global Management, LLC400,000$3.96M0.88%+400,000New
Mint Tower Capital Management B.V.400,000$3.96M0.50%+400,000New
Two Sigma Investments, LP398,750$3.94M0.01%+398,750New
Wolverine Asset Management LLC386,643$3.82M0.05%+386,643New
Mercuria Capital Strategies, LLC375,000$3.71M2.11%+375,000New
Periscope Capital Inc.358,900$3.55M0.69%+358,900New
Clear Street Group Inc.346,892$3.43M0.02%+346,892New
Commonwealth of Pennsylvania Public School Empls Retrmt Sys300,000$2.97M0.02%+300,000New
Linden Advisors LP250,000$2.47M0.02%+250,000New
Meteora Capital, LLC250,000$2.47M0.21%+250,000New
Millennium Management LLC220,000$2.18M0.00%+220,000New
Toronto Dominion Bank200,000$1.98M0.00%+200,000New
StoneX Group Inc.161,800$1.60M0.07%+161,800New
Bulldog Investors, LLP159,263$1.58M0.35%+159,263New
DLD Asset Management, LP133,333$1.32M0.14%+133,333New
Karpus Management, Inc.89,950$889.6K0.03%+89,950New
Verition Fund Management LLC87,500$865.4K0.00%+87,500New
Boothbay Fund Management, LLC75,337$745.1K0.02%+75,337New
Virtu Financial LLC65,840$651.0K0.03%+65,840New
Gritstone Asset Management LLC50,000$494.5K0.47%+50,000New
Susquehanna International Group, LLP44,981$444.9K0.00%+44,981New
Schonfeld Strategic Advisors LLC40,000$395.8K0.00%+40,000New
Abc Arbitrage SA40,000$395.6K0.04%+40,000New
Stoic Point Capital Management LLC39,583$391.5K0.33%+39,583New
Lineage Point Capital LP35,000$346.3K0.13%+35,000New
Geode Capital Management, LLC19,549$193.3K0.00%+19,549New
PharVision Advisers, LLC16,607$164.2K0.08%+16,607New
Quarry LP4,782$47.3K0.01%+4,782New
UBS Group AG151$1.49K0.00%+151New