14 institutions reported holding $43.0M of AMPERCAP ACQUISITION CO (APMC) in SEC 13F filings for 2026-06-30. Largest institutional holders: ADAGE CAPITAL PARTNERS GP, L.L.C. ($11.1M), Sculptor Capital LP ($10.1M), WOLVERINE ASSET MANAGEMENT LLC ($7.0M), Polar Asset Management Partners Inc. ($4.5M), Decagon Asset Management LLP ($3.5M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | ADAGE CAPITAL PARTNERS GP, L.L.C. | $11.1M | 1.1M | New |
| 2 | Sculptor Capital LP | $10.1M | 1.0M | New |
| 3 | WOLVERINE ASSET MANAGEMENT LLC | $7.0M | 711,905 | New |
| 4 | Polar Asset Management Partners Inc. | $4.5M | 450,000 | New |
| 5 | Decagon Asset Management LLP | $3.5M | 351,990 | New |
| 6 | TWO SIGMA INVESTMENTS, LP | $2.2M | 226,562 | New |
| 7 | Verition Fund Management LLC | $2.1M | 207,996 | New |
| 8 | DELTEC ASSET MANAGEMENT LLC | $989,000 | 100,000 | New |
| 9 | StoneX Group Inc. | $662,927 | 67,030 | New |
| 10 | HEIGHTS CAPITAL MANAGEMENT, INC | $494,500 | 50,000 | New |
| 11 | Logan Stone Capital, LLC | $257,437 | 26,030 | New |
| 12 | CITADEL ADVISORS LLC | $116,672 | 11,797 | New |
| 13 | HIGHBRIDGE CAPITAL MANAGEMENT LLC | $9,900 | 1,000 | New |
| 14 | Clear Street Group Inc. | $0 | 175,926 | New |
Source: SEC Form 13F filings · as of 2026-06-30