GigCapital9 Corp.

GIX

Exchange: Nasdaq
Industry: Blank Checks
SEC CIK: 0002098712

SEC filings (opens in a new tab)

No open-market purchases or sales by GigCapital9 Corp. insiders were filed in the last 90 days; 49 institutions reported holding it in 13F filings for Q2 2026, worth $218.3M in total; no superinvestor holds it.

Other share classesGIXXR GIXXU

Q1 2026 vs. Q4 2025

How the institutions holding GigCapital9 Corp. changed between Q4 2025 and Q1 2026.

All holders in Q1 2026 All holders in Q4 2025

13F holders of GIX: Q4 2025 compared with Q1 2026
Measure	Q4 2025	Q1 2026	Change
Holders	0	31	+31
Shares	0	15.7M	+15.7M
Value	$0	$154.3M	+$154.3M

New holders (31)

Institutions that held GigCapital9 Corp. at the end of Q1 2026 but not at the end of Q4 2025.

Institutions new to GIX in Q1 2026
Institution	Shares	Value	% of portfolio
Glazer Capital, LLC	2,178,000	$21.4M	0.45%
Tenor Capital Management Co., L.P.	2,178,000	$21.4M	0.33%
Aristeia Capital LLC	1,400,000	$13.8M	0.32%
Highbridge Capital Management LLC	1,228,222	$12.1M	0.77%
Berkley W R Corp	882,431	$8.67M	0.47%
Karpus Management, Inc.	815,332	$8.01M	0.25%
Decagon Asset Management LLP	758,375	$7.45M	1.94%
Mint Tower Capital Management B.V.	567,910	$5.58M	0.55%
Radcliffe Capital Management, L.P.	562,114	$5.53M	0.41%
D. E. Shaw & Co., Inc.	550,000	$5.41M	0.00%
Shaolin Capital Management LLC	550,000	$5.41M	0.23%
Toronto Dominion Bank	547,282	$5.38M	0.01%
Wolverine Asset Management LLC	400,000	$3.93M	0.06%
Two Sigma Investments, LP	398,750	$3.92M	0.00%
Magnetar Financial LLC	375,000	$3.68M	0.04%
Polar Asset Management Partners Inc.	350,000	$3.44M	0.08%
Sona Asset Management (US) LLC	350,000	$3.44M	0.13%
Mizuho Securities USA LLC	332,355	$3.25M	0.08%
Clear Street Group Inc.	308,874	$3.04M	0.02%
Hudson Bay Capital Management LP	150,000	$1.48M	0.01%
DLD Asset Management, LP	150,000	$1.47M	0.15%
Linden Advisors LP	125,000	$1.23M	0.01%
StoneX Group Inc.	115,716	$1.14M	0.06%
Westchester Capital Management, LLC	100,000	$984.0K	0.05%
Meteora Capital, LLC	98,900	$972.2K	0.07%
Context Capital Management, LLC	75,000	$737.3K	0.02%
Virtu Financial LLC	69,049	$679.0K	0.03%
Geode Capital Management, LLC	40,511	$398.6K	0.00%
Schonfeld Strategic Advisors LLC	25,863	$254.2K	0.00%
Parallax Volatility Advisers, L.P.	16,653	$164.7K	0.01%
Morgan Stanley	12	$118	0.00%

Sold out (0)

Institutions that held GigCapital9 Corp. at the end of Q4 2025 and filed for Q1 2026 without it.

None.