GigCapital8 Corp.

GIW

Exchange: Nasdaq
Industry: Blank Checks
SEC CIK: 0002080019

SEC filings (opens in a new tab)

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 classesGIWWR GIWWU

Q4 2025 vs. Q3 2025

How the institutions holding GigCapital8 Corp. changed between Q3 2025 and Q4 2025.

All holders in Q4 2025 All holders in Q3 2025

13F holders of GIW: Q3 2025 compared with Q4 2025
Measure	Q3 2025	Q4 2025	Change
Holders	0	44	+44
Shares	0	19.5M	+19.5M
Value	$0	$193.0M	+$193.0M

New holders (44)

Institutions that held GigCapital8 Corp. at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to GIW in Q4 2025
Institution	Shares	Value	% of portfolio
Glazer Capital, LLC	2,175,283	$21.5M	0.57%
CNH Partners LLC	1,694,769	$16.8M	0.35%
Tenor Capital Management Co., L.P.	1,500,000	$14.8M	0.21%
Berkley W R Corp	1,289,470	$12.8M	0.71%
Westchester Capital Management, LLC	1,080,000	$10.7M	0.50%
Yakira Capital Management, Inc.	948,000	$9.38M	3.15%
Aristeia Capital LLC	850,000	$8.41M	0.24%
Polar Asset Management Partners Inc.	850,000	$8.41M	0.17%
Whitebox Advisors LLC	800,000	$7.91M	0.13%
D. E. Shaw & Co., Inc.	759,000	$7.51M	0.01%
Radcliffe Capital Management, L.P.	650,000	$6.43M	0.35%
Mizuho Securities USA LLC	550,000	$5.44M	0.09%
Logan Stone Capital, LLC	512,612	$5.07M	1.25%
BNP Paribas Arbitrage, SA	483,231	$4.78M	0.00%
Picton Mahoney Asset Management	425,000	$4.21M	0.05%
Alpine Global Management, LLC	400,000	$3.96M	0.88%
Mint Tower Capital Management B.V.	400,000	$3.96M	0.50%
Two Sigma Investments, LP	398,750	$3.94M	0.01%
Wolverine Asset Management LLC	386,643	$3.82M	0.05%
Mercuria Capital Strategies, LLC	375,000	$3.71M	2.11%
Periscope Capital Inc.	358,900	$3.55M	0.69%
Clear Street Group Inc.	346,892	$3.43M	0.02%
Commonwealth of Pennsylvania Public School Empls Retrmt Sys	300,000	$2.97M	0.02%
Linden Advisors LP	250,000	$2.47M	0.02%
Meteora Capital, LLC	250,000	$2.47M	0.21%
Millennium Management LLC	220,000	$2.18M	0.00%
Toronto Dominion Bank	200,000	$1.98M	0.00%
StoneX Group Inc.	161,800	$1.60M	0.07%
Bulldog Investors, LLP	159,263	$1.58M	0.35%
DLD Asset Management, LP	133,333	$1.32M	0.14%
Karpus Management, Inc.	89,950	$889.6K	0.03%
Verition Fund Management LLC	87,500	$865.4K	0.00%
Boothbay Fund Management, LLC	75,337	$745.1K	0.02%
Virtu Financial LLC	65,840	$651.0K	0.03%
Gritstone Asset Management LLC	50,000	$494.5K	0.47%
Susquehanna International Group, LLP	44,981	$444.9K	0.00%
Schonfeld Strategic Advisors LLC	40,000	$395.8K	0.00%
Abc Arbitrage SA	40,000	$395.6K	0.04%
Stoic Point Capital Management LLC	39,583	$391.5K	0.33%
Lineage Point Capital LP	35,000	$346.3K	0.13%
Geode Capital Management, LLC	19,549	$193.3K	0.00%
PharVision Advisers, LLC	16,607	$164.2K	0.08%
Quarry LP	4,782	$47.3K	0.01%
UBS Group AG	151	$1.49K	0.00%

Sold out (0)

Institutions that held GigCapital8 Corp. at the end of Q3 2025 and filed for Q4 2025 without it.

None.