Who owns GIWWhat GIW owns — n/a

Who owns GigCapital8 Corp.?

Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.

Institutional ownership of GIW from SEC Form 13F filings across 53 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.

As of the 2026-06-30 reporting period, 53 institutions disclosed 23.3M shares of GigCapital8 Corp. worth $234.2M — about 92% of shares outstanding; the largest disclosed holder is GLAZER CAPITAL, LLC. Source: SEC Form 13F filings, parsed by EvidInvest.

13F holders

$234.2M

value, 2026 filers

92%

of shares outstanding (23.3M sh)

new positions (2026 filers)

Top institutional holders

ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of GIW's shares outstanding

#	Manager	Shares	Value	% of fund	% of co.	Δ shares QoQ
1	GLAZER CAPITAL, LLC	2.2M	$21.8M	0.5%	8.5%	0.0%
2	AQR Arbitrage LLC	1.7M	$17.5M	0.2%	6.9%	+2.9%
3	TENOR CAPITAL MANAGEMENT Co., L.P.	1.5M	$15.1M	0.2%	5.9%	0.0%
4	Westchester Capital Management, LLC	1.3M	$13.4M	0.7%	5.3%	0.0%
5	BERKLEY W R CORP	1.3M	$13.0M	0.6%	5.1%	0.0%
6	Karpus Management, Inc.	945,625	$9.5M	0.3%	3.7%	-1.9%
7	Yakira Capital Management, Inc.	938,377	$9.4M	2.7%	3.7%	0.0%
8	ARISTEIA CAPITAL, L.L.C.	850,000	$8.6M	0.1%	3.4%	0.0%
9	Polar Asset Management Partners Inc.	850,000	$8.6M	0.1%	3.4%	0.0%
10	WHITEBOX ADVISORS LLC	800,000	$8.1M	0.1%	3.2%	0.0%
11	MILLENNIUM MANAGEMENT LLC	768,970	$7.7M	0.0%	3%	0.0%
12	D. E. Shaw & Co., Inc.	759,000	$7.6M	0.0%	3%	0.0%
13	Magnetar Financial LLC	695,261	$7.0M	0.1%	2.7%	0.0%
14	Radcliffe Capital Management, L.P.	650,000	$6.5M	0.5%	2.6%	0.0%
15	RIVERNORTH CAPITAL MANAGEMENT, LLC	599,124	$6.1M	0.3%	2.4%	-0.1%
16	Mercuria Capital Strategies, LLC	500,000	$5.0M	3.1%	2%	0.0%
17	BNP PARIBAS FINANCIAL MARKETS	483,231	$4.9M	0.0%	1.9%	0.0%
18	PICTON MAHONEY ASSET MANAGEMENT	425,000	$4.3M	0.0%	1.7%	0.0%
19	SONA ASSET MANAGEMENT (US) LLC	416,416	$4.2M	0.1%	1.6%	0.0%
20	Mint Tower Capital Management B.V.	400,000	$4.0M	0.5%	1.6%	0.0%
21	TWO SIGMA INVESTMENTS, LP	398,750	$4.0M	0.0%	1.6%	0.0%
22	WOLVERINE ASSET MANAGEMENT LLC	379,097	$3.8M	0.0%	1.5%	-1.7%
23	Periscope Capital Inc.	375,000	$3.8M	0.3%	1.5%	0.0%
24	COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS	300,000	$3.0M	0.0%	1.2%	0.0%
25	GABELLI & Co INVESTMENT ADVISERS, INC.	299,871	$3.0M	0.4%	1.2%	0.0%

Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.