SIM Acquisition Corp. I
SIMA- Exchange
- Nasdaq
- Industry
- Blank Checks
- SEC CIK
- 0002014982
No open-market purchases or sales by SIM Acquisition Corp. I insiders were filed in the last 90 days; 6 institutions reported holding it in 13F filings for Q2 2026, worth $2.37M in total; no superinvestor holds it.
13F holders, Q3 2025
Institutional positions in SIM Acquisition Corp. I as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 44
- +1 vs. Q2 2025
- Shares held
- 22.5M
- +394.5K (+1.8%) vs. Q2 2025
- Total value
- $237.0M
- +$6.32M (+2.7%) vs. Q2 2025
- New holders
- 4
- 11 more added
- Sold out
- 3
- 12 more reduced
1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting SIMA on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 6 | $2.37M |
| Q1 2026 | 45 | $228.3M |
| Q4 2025 | 41 | $240.8M |
| Q3 2025 | 44 | $237.0M |
| Q2 2025 | 44 | $230.7M |
| Q1 2025 | 37 | $201.3M |
| Q4 2024 | 40 | $183.4M |
| Q3 2024 | 26 | $131.7M |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding SIM Acquisition Corp. I; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Magnetar Financial LLC | 1,945,196 | $20.4M | 0.12% | 00.0% | Unchanged |
| Picton Mahoney Asset Management | 1,800,000 | $19.0M | 0.24% | 00.0% | Unchanged |
| Vivaldi Asset Management, LLC | 1,800,000 | $19.0M | 1.22% | 00.0% | Unchanged |
| Karpus Management, Inc. | 1,768,767 | $18.6M | 0.59% | −149,122−7.8% | Reduced |
| CNH Partners LLC | 1,455,722 | $15.3M | 0.39% | −8,000−0.5% | Reduced |
| Westchester Capital Management, LLC | 1,270,312 | $13.3M | 0.69% | +45,325+3.7% | Added |
| D. E. Shaw & Co., Inc. | 987,497 | $10.4M | 0.01% | 00.0% | Unchanged |
| MMCAP International Inc. SPC | 980,000 | $10.3M | 1.20% | 00.0% | Unchanged |
| LMR Partners LLP | 980,000 | $10.3M | 0.13% | 00.0% | Unchanged |
| Alberta Investment Management Corp | 750,000 | $7.88M | 0.06% | 00.0% | Unchanged |
| Wolverine Asset Management LLC | 723,945 | $7.63M | 0.11% | +328,929+83.3% | Added |
| Wealthspring Capital LLC | 628,980 | $6.63M | 1.58% | −2,316−0.4% | Reduced |
| Goldman Sachs Group Inc | 623,342 | $6.57M | 0.00% | 00.0% | Unchanged |
| Hudson Bay Capital Management LP | 597,018 | $6.27M | 0.04% | +300,000+101.0% | Added |
| Berkley W R Corp | 521,518 | $5.50M | 0.35% | 00.0% | Unchanged |
| Radcliffe Capital Management, L.P. | 510,032 | $5.38M | 0.34% | +239,453+88.5% | Added |
| Two Sigma Investments, LP | 500,000 | $5.27M | 0.01% | 00.0% | Unchanged |
| Whitebox Advisors LLC | 500,000 | $5.27M | 0.10% | 00.0% | Unchanged |
| Periscope Capital Inc. | 450,000 | $4.74M | 1.15% | +225,000+100.0% | Added |
| Bulldog Investors, LLP | 415,644 | $4.38M | 1.01% | −5,154−1.2% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 400,000 | $4.22M | 0.02% | +400,000 | New |
| Rivernorth Capital Management, LLC | 389,821 | $4.11M | 0.23% | −256−0.1% | Reduced |
| Toronto Dominion Bank | 366,501 | $3.86M | 0.01% | +117,301+47.1% | Added |
| Mizuho Securities USA LLC | 275,626 | $2.85M | 0.06% | +63,525+30.0% | Added |
| Context Capital Management, LLC | 270,000 | $2.85M | 0.09% | −100,000−27.0% | Reduced |
| Meteora Capital, LLC | 255,426 | $2.69M | 0.29% | −672,020−72.5% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 250,000 | $2.63M | 0.00% | 00.0% | Unchanged |
| Glazer Capital, LLC | 235,100 | $2.48M | 0.08% | −15,000−6.0% | Reduced |
| Shaolin Capital Management LLC | 201,350 | $2.12M | 0.10% | +101,350+101.4% | Added |
| Verition Fund Management LLC | 191,515 | $2.01M | 0.01% | −8,100−4.1% | Reduced |
| Quarry LP | 100,000 | $1.05M | 0.26% | −100,000−50.0% | Reduced |
| Deltec Asset Management LLC | 100,000 | $1.05M | 0.17% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 82,136 | $865.7K | 0.01% | −12,796−13.5% | Reduced |
| BCK Capital Management LP | 46,370 | $488.7K | 0.52% | −3,630−7.3% | Reduced |
| Kepos Capital LP | 30,000 | $316.0K | 1.68% | 00.0% | Unchanged |
| UBS Group AG | 29,677 | $312.8K | 0.00% | +29,607+42,295.7% | Added |
| HGC Investment Management Inc. | 25,000 | $263.5K | 0.06% | 00.0% | Unchanged |
| PenderFund Capital Management Ltd. | 25,000 | $262.5K | 0.04% | 00.0% | Unchanged |
| Citadel Advisors LLC | 15,460 | $162.3K | 0.00% | +2,826+22.4% | Added |
| Robinson Capital Management, LLC | 15,250 | $160.1K | 0.12% | 00.0% | Unchanged |
| Longfellow Investment Management Co LLC | 7,566 | $79.7K | 0.02% | +7,566 | New |
| Clear Street Group Inc. | 1,317 | $13.9K | 0.00% | +1,317 | New |
| Advisor Group Holdings, Inc. | 250 | $2.60K | 0.00% | +250 | New |
| Morgan Stanley | 84 | $885 | 0.00% | +15+21.7% | Added |
| K2 Principal Fund, L.P. | 0 | $0 | 0.00% | −205,292−100.0% | Sold out |
| Sculptor Capital LP | 0 | $0 | 0.00% | −175,200−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −11,127−100.0% | Sold out |
| Clear Street LLC | – | – | – | – | Not filed |