Sim Acquisition Corp. I-ASIMA
13F holders, Q3 2025 (September 30)At the end of Q3 2025, 44 institutions reported holding Sim Acquisition Corp. I-A (SIMA) in their 13F filings, unchanged from Q2 2025. 3 opened new positions and 3 sold out. The largest holders were Magnetar Financial LLC ($20.4M), First Trust Capital Management L.P. ($19.0M) and Picton Mahoney Asset Management ($19.0M). 2 famous investors held it, including David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Sim Acquisition Corp. I-A
- CUSIP
- G8431T101
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 3 | $4.3M |
| Exits | 3 | $4.1M |
All 13F filers, Q2 2025 → Q3 2025: 1,861,147 shares bought and 1,468,013 shares sold, net +393,134 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 44 holders
| Magnetar Financial LLC | 0.13% | No change | 1,945,196 | $20.4M |
| First Trust Capital Management L.P. | 1.22% | No change | 1,800,000 | $19.0M |
| Picton Mahoney Asset Management | 0.24% | No change | 1,800,000 | $19.0M |
| Karpus Management, Inc. | 0.59% | Reduce -7.8% | 1,768,767 | $18.6M |
| AQR Arbitrage LLC | 0.54% | Reduce -0.6% | 1,455,722 | $15.3M |
| Westchester Capital Management, LLC | 0.69% | Add +3.7% | 1,270,312 | $13.3M |
| D. E. Shaw & Co. | 0.01% | No change | 987,497 | $10.4M |
| MMCAP International Inc. SPC | 1.23% | No change | 980,000 | $10.3M |
| LMR Partners LLP | 0.20% | No change | 980,000 | $10.3M |
| Alberta Investment Management Corp | 0.06% | No change | 750,000 | $7.9M |
| Wolverine Asset Management LLC | 0.54% | Add +83.3% | 723,945 | $7.6M |
| Wealthspring Capital LLC | 1.61% | Reduce -0.4% | 628,980 | $6.6M |
| Goldman Sachs Group Inc. | 0.00% | No change | 623,342 | $6.6M |
| Hudson Bay Capital Management LP | 0.04% | Add +101.0% | 597,018 | $6.3M |
| Berkley W R Corp. | 0.36% | No change | 521,518 | $5.5M |
| Radcliffe Capital Management, L.P. | 1.10% | Add +88.5% | 510,032 | $5.4M |
| Whitebox Advisors LLC | 0.34% | No change | 500,000 | $5.3M |
| Two Sigma Investments, LP | 0.01% | No change | 500,000 | $5.3M |
| Periscope Capital Inc. | 1.21% | Add +100.0% | 450,000 | $4.7M |
| Bulldog Investors, LLP | 1.02% | Reduce -1.2% | 415,644 | $4.4M |
| Commonwealth of Pennsylvania Public School Empls Retrmt SYS | 0.02% | New | 400,000 | $4.2M |
| Rivernorth Capital Management, LLC | 0.24% | Reduce -0.1% | 389,821 | $4.1M |
| Toronto Dominion Bank | 0.01% | Add +47.1% | 366,501 | $3.9M |
| Mizuho Securities USA LLC | 0.06% | Add +29.9% | 275,626 | $2.9M |
| Context Capital Management, LLC | 0.59% | Reduce -27.0% | 270,000 | $2.8M |
| Meteora Capital, LLC | 0.30% | Reduce -72.5% | 255,426 | $2.7M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.00% | No change | 250,000 | $2.6M |
| Glazer Capital, LLC | 0.09% | Reduce -6.0% | 235,100 | $2.5M |
| Shaolin Capital Management LLC | 0.40% | Add +101.3% | 201,350 | $2.1M |
| Verition Fund Management LLC | 0.01% | Reduce -4.1% | 191,515 | $2.0M |
| Quarry LP | 0.28% | Reduce -50.0% | 100,000 | $1.1M |
| Deltec Asset Management LLC | 0.17% | No change | 100,000 | $1.1M |
| Schonfeld Strategic Advisors LLC | 0.01% | Reduce -13.5% | 82,136 | $866K |
| BCK Capital Management LP | 0.53% | Reduce -7.3% | 46,370 | $489K |
| Kepos Capital LP | 1.85% | No change | 30,000 | $316K |
| UBS Group AG | 0.00% | Add +42295.7% | 29,677 | $313K |
| HGC Investment Management Inc. | 0.06% | No change | 25,000 | $264K |
| PenderFund Capital Management Ltd. | 0.10% | No change | 25,000 | $263K |
| Citadel Advisors | 0.00% | Add +22.4% | 15,460 | $162K |
| Robinson Capital Management, LLC | 0.12% | No change | 15,250 | $160K |
| Longfellow Investment Management Co. LLC | 0.02% | New | 7,566 | $80K |
| Clear Street Group Inc. | 0.00% | — | 1,317 | $14K |
| Osaic Holdings, Inc. | 0.00% | New | 250 | $3K |
| Morgan Stanley | 0.00% | Add +21.7% | 84 | $885 |
"% of holder's portfolio" is SIMA's weight in each manager's 13F, not the share of Sim Acquisition Corp. I-A the manager owns.