Who Owns SIM ACQUISITION CORP. I (SIMAW)? -- Institutional Holders (2026-03-31)
34 institutions reported holding $2.6M of SIM ACQUISITION CORP. I (SIMAW) in SEC 13F filings for 2026-03-31. Largest institutional holders: Magnetar Financial LLC ($304,472), MMCAP International Inc. SPC ($247,500), Harraden Circle Investments, LLC ($240,744), AQR Arbitrage LLC ($203,713), PICTON MAHONEY ASSET MANAGEMENT ($175,000). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | Magnetar Financial LLC | $304,472 | 972,598 | Hold |
| 2 | MMCAP International Inc. SPC | $247,500 | 990,000 | Hold |
| 3 | Harraden Circle Investments, LLC | $240,744 | 769,027 | New |
| 4 | AQR Arbitrage LLC | $203,713 | 814,850 | Trimmed |
| 5 | PICTON MAHONEY ASSET MANAGEMENT | $175,000 | 700,000 | Hold |
| 6 | LMR Partners LLP | $122,500 | 490,000 | Hold |
| 7 | TORONTO DOMINION BANK | $107,680 | 430,721 | Trimmed |
| 8 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | $101,250 | 375,000 | Hold |
| 9 | Wealthspring Capital LLC | $97,962 | 362,824 | Trimmed |
| 10 | BNP PARIBAS FINANCIAL MARKETS | $93,771 | 299,540 | Hold |
| 11 | Alberta Investment Management Corp | $93,750 | 375,000 | Hold |
| 12 | HIGHBRIDGE CAPITAL MANAGEMENT LLC | $89,969 | 359,877 | Trimmed |
| 13 | K2 PRINCIPAL FUND, L.P. | $81,316 | 301,172 | Trimmed |
| 14 | WHITEBOX ADVISORS LLC | $62,500 | 250,000 | Hold |
| 15 | Bulldog Investors, LLP | $55,979 | 207,330 | Trimmed |
| 16 | Periscope Capital Inc. | $54,001 | 172,500 | Hold |
| 17 | METEORA CAPITAL, LLC | $53,996 | 199,985 | Trimmed |
| 18 | CSS LLC/IL | $52,305 | 193,722 | Added |
| 19 | Context Capital Management, LLC | $51,800 | 185,000 | Hold |
| 20 | Westchester Capital Management, LLC | $50,625 | 187,499 | Hold |
| 21 | RIVERNORTH CAPITAL MANAGEMENT, LLC | $50,238 | 200,951 | Hold |
| 22 | Verition Fund Management LLC | $37,500 | 150,000 | Trimmed |
| 23 | Shaolin Capital Management LLC | $37,500 | 150,000 | Trimmed |
| 24 | Saba Capital Management, L.P. | $34,816 | 111,217 | Hold |
| 25 | Clear Street Group Inc. | $31,185 | 124,738 | Trimmed |
Source: SEC Form 13F filings · as of 2026-03-31