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AI Infrastructure Acquisition Corp.

AIIA
Exchange
NYSE
Industry
Blank Checks
SEC CIK
0002073553

No open-market purchases or sales by AI Infrastructure Acquisition Corp. insiders were filed in the last 90 days; 39 institutions reported holding it in 13F filings for Q2 2026, worth $117.4M in total; no superinvestor holds it.

Other share classesAIIA.RIAIIA.UN

13F holders, Q4 2025

Institutional positions in AI Infrastructure Acquisition Corp. as of Dec 31, 2025. 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
33
+33 vs. Q3 2025
Shares held
9.07M
+9.07M vs. Q3 2025
Total value
$88.8M
+$88.8M vs. Q3 2025
New holders
33
0 more added
Sold out
0
0 more reduced

Compare with Q3 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting AIIA 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 holdersQ4 2025: 33 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: 33 institutionsQ1 2026: 39 institutionsQ2 2026: 39 institutions
Value heldQ4 2025: $88.8M
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: $88.8MQ1 2026: $111.2MQ2 2026: $117.4M
Institutions holding AIIA and their total value by quarter
QuarterHoldersValue
Q2 202639$117.4M
Q1 202639$111.2M
Q4 202533$88.8M
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, Q4 2025

Shares, value and share of portfolio for each institution holding AI Infrastructure Acquisition Corp.; share changes are against Q3 2025.

Institutions holding AIIA in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Karpus Management, Inc.1,241,923$12.3M0.38%+1,241,923New
Wolverine Asset Management LLC950,828$9.45M0.13%+950,828New
Polar Asset Management Partners Inc.600,000$5.96M0.12%+600,000New
Shaolin Capital Management LLC600,000$5.96M0.23%+600,000New
Mizuho Securities USA LLC511,000$5.06M0.08%+511,000New
CNH Partners LLC466,860$4.64M0.10%+466,860New
Mangrove Partners450,000$4.47M0.36%+450,000New
D. E. Shaw & Co., Inc.414,000$4.12M0.00%+414,000New
Logan Stone Capital, LLC365,399$3.63M0.90%+365,399New
Westchester Capital Management, LLC331,000$3.29M0.15%+331,000New
Glazer Capital, LLC319,881$3.18M0.08%+319,881New
Radcliffe Capital Management, L.P.250,000$2.48M0.14%+250,000New
Clear Street Group Inc.233,887$2.32M0.01%+233,887New
Saba Capital Management, L.P.227,000$2.26M0.08%+227,000New
Two Sigma Investments, LP217,499$2.16M0.00%+217,499New
Bulldog Investors, LLP216,760$2.15M0.48%+216,760New
Berkley W R Corp201,869$2.01M0.11%+201,869New
Parallax Volatility Advisers, L.P.198,799$1.98M0.06%+198,799New
Magnetar Financial LLC175,000$1.74M0.02%+175,000New
Aristeia Capital LLC150,000$1.49M0.04%+150,000New
Commonwealth of Pennsylvania Public School Empls Retrmt Sys150,000$1.49M0.01%+150,000New
DLD Asset Management, LP133,333$1.33M0.14%+133,333New
BNP Paribas Arbitrage, SA133,140$1.32M0.00%+133,140New
Cable Car Capital LLC125,000$1.24M0.08%+125,000New
Prelude Capital Management, LLC50,000$497.0K0.04%+50,000New
MYDA Advisors LLC50,000$497.0K0.14%+50,000New
Mint Tower Capital Management B.V.50,000$497.0K0.06%+50,000New
Toronto Dominion Bank41,818$415.7K0.00%+41,818New
Virtu Financial LLC32,142$319.0K0.01%+32,142New
Boothbay Fund Management, LLC25,001$248.5K0.01%+25,001New
Abc Arbitrage SA20,000$198.8K0.02%+20,000New
Bank of America Corp4,299$42.7K0.00%+4,299New
Decagon Asset Management LLP133,256$34.6K0.01%+133,256New