# AMPERCAP ACQUISITION CO (APMCR)

> Institutional ownership reported to the SEC as of Q2 2026, from Form 13F filings. Source: https://holderbook.com/stocks/APMCR/

- Reporting holders: 43
- Reported value: $93.7M
- Shares held by institutions: 9,351,729 of 19,958,575 outstanding
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [Magnetar Financial LLC](https://holderbook.com/funds/1352851-magnetar-financial-llc/) | $12.0M | 1,200,000 | 0.1% | 1 |
| [Wealthspring Capital LLC](https://holderbook.com/funds/1844495-wealthspring-capital-llc/) | $9.7M | 963,290 | 2.2% | 1 |
| [GLAZER CAPITAL, LLC](https://holderbook.com/funds/1076809-glazer-capital-llc/) | $6.9M | 690,000 | 0.2% | 1 |
| [AQR Arbitrage LLC](https://holderbook.com/funds/1167456-aqr-arbitrage-llc/) | $6.5M | 651,015 | 0.1% | 1 |
| [First Trust Capital Management L.P.](https://holderbook.com/funds/1604488-first-trust-capital-management-l-p/) | $6.3M | 630,601 | 0.4% | 1 |
| [CANTOR FITZGERALD, L. P.](https://holderbook.com/funds/1024896-cantor-fitzgerald-l-p/) | $4.3M | 422,898 | 0.0% | 1 |
| [Shaolin Capital Management LLC](https://holderbook.com/funds/1766806-shaolin-capital-management-llc/) | $4.1M | 405,851 | 0.2% | 1 |
| [Clear Street Group Inc.](https://holderbook.com/funds/1881567-clear-street-group-inc/) | $4.0M | 422,655 | 0.0% | 1 |
| [TUDOR INVESTMENT CORP ET AL](https://holderbook.com/funds/923093-tudor-investment-corp-et-al/) | $3.2M | 315,000 | 0.0% | 1 |
| [RIVERNORTH CAPITAL MANAGEMENT, LLC](https://holderbook.com/funds/1447578-rivernorth-capital-management-llc/) | $3.0M | 300,000 | 0.1% | 1 |
| [LMR Partners LLP](https://holderbook.com/funds/1578621-lmr-partners-llp/) | $2.5M | 250,000 | 0.0% | 1 |
| [BERKLEY W R CORP](https://holderbook.com/funds/11544-berkley-w-r-corp/) | $2.5M | 247,605 | 0.1% | 1 |
| [TORONTO DOMINION BANK](https://holderbook.com/funds/947263-toronto-dominion-bank/) | $2.0M | 200,000 | 0.0% | 1 |
| [WHITEBOX ADVISORS LLC](https://holderbook.com/funds/1257391-whitebox-advisors-llc/) | $2.0M | 200,000 | 0.0% | 1 |
| [BNP PARIBAS FINANCIAL MARKETS](https://holderbook.com/funds/1166588-bnp-paribas-financial-markets/) | $2.0M | 198,985 | 0.0% | 1 |
| [Periscope Capital Inc.](https://holderbook.com/funds/1695320-periscope-capital-inc/) | $1.8M | 175,500 | 0.2% | 1 |
| [Linden Advisors LP](https://holderbook.com/funds/1279396-linden-advisors-lp/) | $1.8M | 175,000 | 0.0% | 1 |
| [ARISTEIA CAPITAL, L.L.C.](https://holderbook.com/funds/1080171-aristeia-capital-l-l-c/) | $1.5M | 150,000 | 0.0% | 1 |
| [Radcliffe Capital Management, L.P.](https://holderbook.com/funds/1218275-radcliffe-capital-management-l-p/) | $1.5M | 150,000 | 0.1% | 1 |
| [Yakira Capital Management, Inc.](https://holderbook.com/funds/1584639-yakira-capital-management-inc/) | $1.5M | 150,000 | 0.4% | 1 |
| [Calamos Advisors LLC](https://holderbook.com/funds/1316507-calamos-advisors-llc/) | $1.5M | 150,000 | 0.0% | 1 |
| [MOORE CAPITAL MANAGEMENT, LP](https://holderbook.com/funds/1448574-moore-capital-management-lp/) | $1.3M | 130,000 | 0.0% | 1 |
| [Westchester Capital Management, LLC](https://holderbook.com/funds/1512805-westchester-capital-management-llc/) | $1.3M | 130,000 | 0.1% | 1 |
| [Mint Tower Capital Management B.V.](https://holderbook.com/funds/1666606-mint-tower-capital-management-b-v/) | $1.3M | 125,000 | 0.1% | 1 |
| [GRITSTONE ASSET MANAGEMENT LLC](https://holderbook.com/funds/1964236-gritstone-asset-management-llc/) | $1.3M | 124,988 | 1.2% | 1 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 43 | $93.7M |