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GigCapital9 Corp.

GIX
Exchange
Nasdaq
Industry
Blank Checks
SEC CIK
0002098712

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 classesGIXXRGIXXU

13F holders, Q2 2026

Institutional positions in GigCapital9 Corp. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
49
+18 vs. Q1 2026
Shares held
22.0M
+6.28M (+40.0%) vs. Q1 2026
Total value
$218.3M
+$64.0M (+41.5%) vs. Q1 2026
New holders
21
9 more added
Sold out
3
6 more reduced

Compare with Q1 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting GIX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2026: 49 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 0 institutionsQ1 2023: 0 institutionsQ2 2023: 0 institutionsQ3 2023: 0 institutionsQ4 2023: 0 institutionsQ1 2024: 0 institutionsQ2 2024: 0 institutionsQ3 2024: 0 institutionsQ4 2024: 0 institutionsQ1 2025: 0 institutionsQ2 2025: 0 institutionsQ3 2025: 0 institutionsQ4 2025: 0 institutionsQ1 2026: 31 institutionsQ2 2026: 49 institutions
Value heldQ2 2026: $218.3M
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $0Q1 2023: $0Q2 2023: $0Q3 2023: $0Q4 2023: $0Q1 2024: $0Q2 2024: $0Q3 2024: $0Q4 2024: $0Q1 2025: $0Q2 2025: $0Q3 2025: $0Q4 2025: $0Q1 2026: $154.3MQ2 2026: $218.3M
Institutions holding GIX and their total value by quarter
QuarterHoldersValue
Q2 202649$218.3M
Q1 202631$154.3M
Q4 20250$0
Q3 20250$0
Q2 20250$0
Q1 20250$0
Q4 20240$0
Q3 20240$0
Q2 20240$0
Q1 20240$0
Q4 20230$0
Q3 20230$0
Q2 20230$0
Q1 20230$0
Q4 20220$0
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding GigCapital9 Corp.; share changes are against Q1 2026.

Institutions holding GIX in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Morgan Stanley44$4370.00%+32+266.7%Added
TrueMark Investments, LLC11,031$109.7K0.01%+11,031New
Tuttle Tactical Management20,000$198.6K0.13%+20,000New
UBS Group AG33,647$334.1K0.00%+33,647New
Abc Arbitrage SA35,000$347.6K0.04%+35,000New
Geode Capital Management, LLC40,511$402.3K0.00%00.0%Unchanged
Gabelli Funds LLC42,626$423.3K0.00%+42,626New
Yorkville Advisors Global, LP43,301$442.1K0.51%+43,301New
Mizuho Securities USA LLC45,980$449.2K0.01%−286,375−86.2%Reduced
Gabelli & Co Investment Advisers, Inc.45,850$455.3K0.07%+45,850New
Heights Capital Management, Inc50,000$496.5K0.11%+50,000New
Vivaldi Asset Management, LLC60,000$595.8K0.03%+60,000New
Bulldog Investors, LLP63,915$634.8K0.14%+63,915New
Quarry LP73,969$734.5K0.12%+73,969New
Context Capital Management, LLC75,000$744.8K0.02%00.0%Unchanged
Meteora Capital, LLC98,000$973.1K0.08%−900−0.9%Reduced
Picton Mahoney Asset Management100,000$994.5K0.01%+100,000New
Centiva Capital, LP102,900$1.02M0.03%+102,900New
Toronto Dominion Bank121,924$1.21M0.00%−425,358−77.7%Reduced
Kepos Capital LP125,000$1.24M1.69%+125,000New
Linden Advisors LP125,000$1.24M0.01%00.0%Unchanged
RLH Capital LLC148,969$1.48M0.71%+148,969New
DLD Asset Management, LP150,000$1.49M0.12%00.0%Unchanged
Hudson Bay Capital Management LP150,000$1.49M0.01%00.0%Unchanged
Clear Street Group Inc.316,531$3.14M0.01%+7,657+2.5%Added
Polar Asset Management Partners Inc.350,000$3.48M0.06%00.0%Unchanged
Sona Asset Management (US) LLC350,000$3.48M0.13%00.0%Unchanged
Commonwealth of Pennsylvania Public School Empls Retrmt Sys350,000$3.48M0.02%+350,000New
Westchester Capital Management, LLC368,544$3.66M0.18%+268,544+268.5%Added
Magnetar Financial LLC375,000$3.72M0.03%00.0%Unchanged
Two Sigma Investments, LP398,750$3.96M0.00%00.0%Unchanged
Schonfeld Strategic Advisors LLC419,735$4.17M0.02%+393,872+1,522.9%Added
Mangrove Partners450,000$4.47M0.29%+450,000New
Rivernorth Capital Management, LLC499,531$4.98M0.24%+499,531New
Shaolin Capital Management LLC528,084$5.24M0.30%−21,916−4.0%Reduced
Radcliffe Capital Management, L.P.562,803$5.59M0.42%+689+0.1%Added
Mint Tower Capital Management B.V.567,910$5.64M0.67%00.0%Unchanged
BNP Paribas Arbitrage, SA704,476$7.00M0.00%+704,476New
D. E. Shaw & Co., Inc.759,000$7.55M0.00%+209,000+38.0%Added
Karpus Management, Inc.812,032$8.06M0.23%−3,300−0.4%Reduced
Decagon Asset Management LLP851,940$8.46M1.69%+93,565+12.3%Added
Berkley W R Corp882,431$8.78M0.43%00.0%Unchanged
Wolverine Asset Management LLC928,507$9.22M0.12%+528,507+132.1%Added
Millennium Management LLC1,175,000$11.7M0.01%+1,175,000New
Highbridge Capital Management LLC1,356,252$13.5M0.46%+128,030+10.4%Added
Aristeia Capital LLC1,400,000$13.9M0.22%00.0%Unchanged
CNH Partners LLC1,473,524$14.6M0.21%+1,473,524New
Glazer Capital, LLC2,157,735$21.4M0.53%−20,265−0.9%Reduced
Tenor Capital Management Co., L.P.2,178,000$21.6M0.30%00.0%Unchanged
StoneX Group Inc.0$00.00%−115,716−100.0%Sold out
Virtu Financial LLC0$00.00%−69,049−100.0%Sold out
Parallax Volatility Advisers, L.P.0$00.00%−16,653−100.0%Sold out