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.
Holders of 5% or more of AIIA
Holders whose latest Schedule 13D or 13G filing reports 5% or more of AI Infrastructure Acquisition Corp., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Karpus Management, Inc. | 13G/A | 10.71%2.07M shares | +4.27 ppfrom 6.44% | Feb 13, 20262 filings | May 14, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
6 Schedule 13D and 13G filings on AI Infrastructure Acquisition Corp., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Jul 16, 20261:30 PM ET | Wolverine Asset Management LLCand 3 others | 13G/A | 4.98%732.2K shares | −1.49 ppfrom 6.47%Below 5% | Jun 30, 2026 | SEC |
| May 14, 20264:09 PM ET | Karpus Management, Inc. | 13G/A | 10.71%2.07M shares | +4.27 ppfrom 6.44% | Mar 31, 2026 | SEC |
| Feb 13, 20264:06 PM ET | Karpus Management, Inc. | 13G | 6.44%1.24M shares | New | Dec 31, 2025 | SEC |
| Feb 2, 20264:10 PM ET | Wolverine Asset Management LLCand 3 others | 13G | 6.47%950.8K shares | New | Dec 31, 2025 | SEC |
| Nov 5, 20257:49 PM ET | Feis Equities LLCand 1 other | 13G/A | 4.88%673.9K shares | −2.29 ppfrom 7.17%Below 5% | Nov 3, 2025 | SEC |
| Oct 10, 202511:55 AM ET | Feis Equities LLCand 1 other | 13G | 7.17%989.9K shares | New | Oct 3, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell AI Infrastructure Acquisition Corp. shares.
No Form 144 notices for AI Infrastructure Acquisition Corp. are on file.