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 GIXXR from SEC Form 13F filings across 37 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, 37 institutions disclosed 21.5M shares of GigCapital9 Corp. worth $5.7M — about 53.7% of shares outstanding; the largest disclosed holder is Harraden Circle Investments, LLC. Source: SEC Form 13F filings, parsed by EvidInvest.
37
13F holders
$5.7M
value, 2026 filers
53.7%
of shares outstanding (21.5M sh)
17
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 GIXXR's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Harraden Circle Investments, LLC | 4.8M | $1.2M | 0.2% | 12% | +73.5% |
| 2 | TENOR CAPITAL MANAGEMENT Co., L.P. | 2.2M | $566,280 | 0.0% | 5.5% | 0.0% |
| 3 | GLAZER CAPITAL, LLC | 1.5M | $432,000 | 0.0% | 3.8% | -30.4% |
| 4 | AQR Arbitrage LLCNEW | 1.5M | $383,116 | 0.0% | 3.7% | new |
| 5 | ARISTEIA CAPITAL, L.L.C. | 1.2M | $312,000 | 0.0% | 3% | 0.0% |
| 6 | MILLENNIUM MANAGEMENT LLCNEW | 1.2M | $305,500 | 0.0% | 2.9% | new |
| 7 | Mint Tower Capital Management B.V. | 967,910 | $252,000 | 0.0% | 2.4% | 0.0% |
| 8 | SONA ASSET MANAGEMENT (US) LLC | 900,000 | $234,000 | 0.0% | 2.3% | +157.1% |
| 9 | HIGHBRIDGE CAPITAL MANAGEMENT LLC | 898,892 | $233,712 | 0.0% | 2.3% | 0.0% |
| 10 | BNP PARIBAS FINANCIAL MARKETSNEW | 704,476 | $200,776 | 0.0% | 1.8% | new |
| 11 | Decagon Asset Management LLP | 625,675 | $162,676 | 0.0% | 1.6% | -17.5% |
| 12 | RIVERNORTH CAPITAL MANAGEMENT, LLCNEW | 500,000 | $145,000 | 0.0% | 1.3% | new |
| 13 | TORONTO DOMINION BANK | 485,664 | $126,273 | 0.0% | 1.2% | -64.0% |
| 14 | BERKLEY W R CORP | 400,000 | $114,020 | 0.0% | 1% | -54.7% |
| 15 | Magnetar Financial LLC | 375,000 | $106,894 | 0.0% | 0.9% | 0.0% |
| 16 | Polar Asset Management Partners Inc. | 364,000 | $94,640 | 0.0% | 0.9% | +4.0% |
| 17 | Radcliffe Capital Management, L.P. | 362,114 | $103,221 | 0.0% | 0.9% | 0.0% |
| 18 | WOLVERINE ASSET MANAGEMENT LLCNEW | 284,447 | $73,956 | 0.0% | 0.7% | new |
| 19 | Schonfeld Strategic Advisors LLCNEW | 280,000 | $79,814 | 0.0% | 0.7% | new |
| 20 | Clear Street Group Inc. | 267,329 | $69,506 | 0.0% | 0.7% | -4.4% |
| 21 | COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYSNEW | 200,000 | $57,000 | 0.0% | 0.5% | new |
| 22 | Shaolin Capital Management LLC | 191,200 | $49,712 | 0.0% | 0.5% | -50.2% |
| 23 | DLD Asset Management, LP | 150,000 | $39,000 | 0.0% | 0.4% | 0.0% |
| 24 | Hudson Bay Capital Management LP | 150,000 | $39,000 | 0.0% | 0.4% | 0.0% |
| 25 | RLH Capital LLCNEW | 145,469 | $41,466 | 0.0% | 0.4% | new |
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. Research, not investment advice.