Comparable stake leader
Karpus Management, Inc.
SEC ownership of AI Infrastructure Acquisition Corp.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002073553.
Disclosed value leader
Karpus Management, Inc.
Comparable rows
50/50
Latest evidence
31 Mar 2026
- Public ticker
- AIIA, AIIA-RI, AIIA-UN on NYSE
- Parsed ownership sources
- 13D/G and 13F
- Largest SEC-reported holder
- Karpus Management, Inc.
- Latest 13D/G holder
- Karpus Management, Inc.
- Latest parsed ownership date
- 31 Mar 2026
- Issuer CIK
- 0002073553
- Issuer location
- Las Vegas, NV
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
2 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of AI Infrastructure Acquisition Corp. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Karpus Management, Inc.
Disclosed value leader
Karpus Management, Inc.
Comparable rows
50/50
Latest evidence
31 Mar 2026
13D/G
13F
Lead comparable stake: 11%
13D/G row: Karpus Management, Inc.
Showing 1-8 of 50 holder rows.
Quick read
Karpus Management, Inc. leads the comparable SEC ownership view at 11%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Karpus Management, Inc.'s linked filing trail.
Comparable ownership
Top 5
Karpus Management, Inc.
11%
WOLVERINE ASSET MANAGEMENT LLC
6.5%
Feis Equities LLC
4.9%
Polar Asset Management Partners Inc.
3.1%
Hudson Bay Capital Management LP
3.1%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Karpus Management, Inc. |
13D/G
13F
Company
|
11%
|
$20,765,290
2,066,198 shares
|
+$8,283,964 | 31 Mar 2026 |
| WOLVERINE ASSET MANAGEMENT LLC |
13F
13D/G
Company
|
6.5%
from 13D/G
|
$9,811,817
978,247 shares
|
— | 31 Mar 2026 |
| Feis Equities LLC |
13D/G
|
4.9%
|
—
673,942 shares
|
$0 | 03 Nov 2025 |
| Polar Asset Management Partners Inc. |
13F
Company
|
3.1%
|
$6,024,000
600,000 shares
|
— | 31 Mar 2026 |
| Hudson Bay Capital Management LP |
13F
Company
|
3.1%
|
$6,018,000
600,000 shares
|
— | 31 Mar 2026 |
| HGC Investment Management Inc. |
13F
Company
|
2.9%
|
$4,096,000
400,000 shares
|
— | 31 Mar 2026 |
| RIVERNORTH CAPITAL MANAGEMENT, LLC |
13F
Company
|
2.7%
|
$5,280,795
526,500 shares
|
— | 31 Mar 2026 |
| AQR Arbitrage LLC |
13F
Company
|
2.4%
|
$4,547,442
453,384 shares
|
— | 31 Mar 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 09 Jun 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-5 of 5 reporting-owner rows connected to AI Infrastructure Acquisition Corp.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
5
Largest Forms 3/4/5 holder
Wrendon Timothy
Net 12M change
$0
Latest report
30 Sep 2025
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Wrendon Timothy | Director | Mixed | 30 Sep 2025 | |||
| Peter B. Stoneberg | Director | Mixed | 30 Sep 2025 | |||
| Joshua Alan Adler | Director | Mixed | 30 Sep 2025 | |||
| George Murnane III | Chief Financial Officer, Director | Mixed | 30 Sep 2025 | |||
| Michael D. Winston | Chairman, CEO, Director | Mixed | 30 Sep 2025 |
Recent insider transactions for AI Infrastructure Acquisition Corp.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Michael D. Winston | AIIA | No securities are beneficially owned. | 0 | 0 | 30 Sep 2025 | Direct | ||||
| Wrendon Timothy | AIIA | No securities are beneficially owned. | 0 | 0 | 30 Sep 2025 | Direct | ||||
| Peter B. Stoneberg | AIIA | No securities are beneficially owned. | 0 | 0 | 30 Sep 2025 | Direct | ||||
| George Murnane III | AIIA | No securities are beneficially owned. | 0 | 0 | 30 Sep 2025 | Direct | ||||
| Joshua Alan Adler | AIIA | No securities are beneficially owned. | 0 | 0 | 30 Sep 2025 | Direct |
* marks a reported price that did not pass the local price check.