Sim Acquisition Corp. I-ASIMA
13F holders, Q1 2026 (March 31)45holders +4
4new positions
1sold out
1famous investor
$10.72avg. 13F price*
At the end of Q1 2026, 45 institutions reported holding Sim Acquisition Corp. I-A (SIMA) in their 13F filings, up 4 from Q4 2025. 4 opened new positions and 1 sold out. The largest holders were Magnetar Financial LLC ($20.8M), Karpus Management, Inc. ($18.5M) and AQR Arbitrage LLC ($15.6M). One famous investor held it David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Sim Acquisition Corp. I-A
- CUSIP
- G8431T101
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 4 | $8.1M |
| Exits | 1 | $4.2M |
All 13F filers, Q4 2025 → Q1 2026: 1,613,674 shares bought and 3,164,808 shares sold, net −1,551,134 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 45 holders
| Magnetar Financial LLC | 0.23% | No change | 1,945,196 | $20.8M |
| Karpus Management, Inc. | 0.58% | Reduce -0.6% | 1,725,032 | $18.5M |
| AQR Arbitrage LLC | 0.31% | Reduce -0.0% | 1,455,439 | $15.6M |
| Picton Mahoney Asset Management | 0.15% | Reduce -27.8% | 1,300,000 | $13.9M |
| First Trust Capital Management L.P. | 0.73% | Reduce -28.1% | 1,294,000 | $13.9M |
| D. E. Shaw & Co. | 0.01% | No change | 987,497 | $10.6M |
| MMCAP International Inc. SPC | 0.92% | No change | 980,000 | $10.5M |
| LMR Partners LLP | 0.13% | No change | 980,000 | $10.5M |
| Berkley W R Corp. | 0.53% | Add +74.9% | 912,286 | $9.8M |
| Toronto Dominion Bank | 0.02% | Add +114.6% | 780,637 | $8.4M |
| Westchester Capital Management, LLC | 0.40% | Reduce -39.4% | 770,312 | $8.3M |
| Alberta Investment Management Corp | 0.06% | No change | 750,000 | $8.0M |
| Goldman Sachs Group Inc. | 0.00% | No change | 623,342 | $6.7M |
| Wealthspring Capital LLC | 1.60% | Reduce -0.5% | 617,864 | $6.6M |
| Hudson Bay Capital Management LP | 0.04% | Reduce -0.2% | 596,090 | $6.4M |
| Wolverine Asset Management LLC | 0.31% | Reduce -24.7% | 551,793 | $5.9M |
| Radcliffe Capital Management, L.P. | 0.65% | Add +0.6% | 539,443 | $5.8M |
| DLD Asset Management, LP | 1.62% | New | 501,421 | $5.4M |
| Whitebox Advisors LLC | 0.29% | No change | 500,000 | $5.4M |
| Two Sigma Investments, LP | 0.00% | No change | 500,000 | $5.4M |
| Rivernorth Capital Management, LLC | 0.19% | Reduce -5.3% | 357,590 | $3.8M |
| Periscope Capital Inc. | 0.59% | Reduce -33.3% | 300,000 | $3.2M |
| Context Capital Management, LLC | 0.79% | No change | 270,000 | $2.9M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.00% | No change | 250,000 | $2.7M |
| Glazer Capital, LLC | 0.05% | Add +0.0% | 225,149 | $2.4M |
| L1 Global Manager Pty Ltd | 1.73% | No change | 200,000 | $2.1M |
| Bulldog Investors, LLP | 0.48% | Reduce -51.8% | 200,000 | $2.1M |
| Verition Fund Management LLC | 0.02% | No change | 191,114 | $2.1M |
| Crossingbridge Advisors, LLC | 0.23% | New | 104,500 | $1.1M |
| RLH Capital LLC | 0.55% | — | 100,000 | $1.1M |
| Quarry LP | 0.22% | No change | 100,000 | $1.1M |
| Deltec Asset Management LLC | 0.20% | No change | 100,000 | $1.1M |
| Shaolin Capital Management LLC | 0.12% | Reduce -53.0% | 100,000 | $1.1M |
| Sona Asset Management (us) LLC | 0.06% | New | 100,000 | $1.1M |
| Mizuho Securities USA LLC | 0.02% | Reduce -87.2% | 83,018 | $888K |
| Schonfeld Strategic Advisors LLC | 0.01% | Add +8.8% | 69,393 | $744K |
| RiverPark Advisors, LLC | 0.28% | New | 53,900 | $578K |
| UBS Group AG | 0.00% | Add +8.6% | 42,984 | $461K |
| Clear Street Group Inc. | 0.00% | Add +2579.3% | 35,286 | $378K |
| Kepos Capital LP | 0.54% | No change | 30,000 | $322K |
| HGC Investment Management Inc. | 0.06% | No change | 25,000 | $268K |
| PenderFund Capital Management Ltd. | 0.10% | No change | 20,400 | $219K |
| Robinson Capital Management, LLC | 0.07% | No change | 15,250 | $165K |
| Longfellow Investment Management Co. LLC | 0.02% | No change | 7,566 | $81K |
| Morgan Stanley | 0.00% | Reduce -28.3% | 71 | $761 |
"% 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.