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Who owns GIXWhat GIX owns — n/a

Who owns GigCapital9 Corp.?

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

Institutional ownership of GIX from SEC Form 13F filings across 49 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, 49 institutions disclosed 22.3M shares of GigCapital9 Corp. worth $221.1M — about 60.9% of shares outstanding; the largest disclosed holder is TENOR CAPITAL MANAGEMENT Co., L.P.. Source: SEC Form 13F filings, parsed by EvidInvest.

49

13F holders

$221.1M

value, 2026 filers

60.9%

of shares outstanding (22.3M sh)

21

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 GIX's shares outstanding

#ManagerSharesValue% of fund% of co.Δ shares QoQ
1TENOR CAPITAL MANAGEMENT Co., L.P.2.2M$21.6M0.3%6%0.0%
2GLAZER CAPITAL, LLC2.2M$21.4M0.5%5.9%-0.9%
3AQR Arbitrage LLCNEW1.5M$14.6M0.2%4%new
4ARISTEIA CAPITAL, L.L.C.1.4M$13.9M0.2%3.8%0.0%
5HIGHBRIDGE CAPITAL MANAGEMENT LLC1.4M$13.5M0.3%3.7%+10.4%
6MILLENNIUM MANAGEMENT LLCNEW1.2M$11.7M0.0%3.2%new
7WOLVERINE ASSET MANAGEMENT LLC928,507$9.2M0.1%2.5%+132.1%
8BERKLEY W R CORP882,431$8.8M0.4%2.4%0.0%
9Decagon Asset Management LLP851,940$8.5M1.6%2.3%+12.3%
10Karpus Management, Inc.812,032$8.1M0.2%2.2%-0.4%
11D. E. Shaw & Co., Inc.759,000$7.5M0.0%2.1%+38.0%
12BNP PARIBAS FINANCIAL MARKETSNEW704,476$7.0M0.0%1.9%new
13Mint Tower Capital Management B.V.567,910$5.6M0.6%1.6%0.0%
14Radcliffe Capital Management, L.P.562,803$5.6M0.4%1.5%+0.1%
15Shaolin Capital Management LLC528,084$5.2M0.3%1.4%-4.0%
16RIVERNORTH CAPITAL MANAGEMENT, LLCNEW499,531$5.0M0.2%1.4%new
17MANGROVE PARTNERS IM, LLCNEW450,000$4.5M0.3%1.2%new
18Schonfeld Strategic Advisors LLC419,735$4.2M0.0%1.1%+1522.9%
19TWO SIGMA INVESTMENTS, LP398,750$4.0M0.0%1.1%0.0%
20Magnetar Financial LLC375,000$3.7M0.0%1%0.0%
21Westchester Capital Management, LLC368,544$3.7M0.2%1%+268.5%
22Polar Asset Management Partners Inc.350,000$3.5M0.1%1%0.0%
23SONA ASSET MANAGEMENT (US) LLC350,000$3.5M0.1%1%0.0%
24COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYSNEW350,000$3.5M0.0%1%new
25MIZUHO SECURITIES USA LLC332,355$3.2M0.1%0.9%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.

EvidInvest is an independent research and information tool. Figures are calculated from public SEC filings and third-party market data and are provided for informational and educational purposes only. EvidInvest does not provide investment advice, brokerage, or financial services, and is not affiliated with any company it covers. Verify all figures against primary sources before making any decision.