Latest Period
Q1 2026
Security Snapshot
SIM Acquisition Corp. I - Common (SIMA) Institutional Ownership
CUSIP: G8431T101
13F Institutional Holders and Ownership History from Q3 2024 to Q1 2026
Institutions Reporting
45
Shares (Excl. Options)
21,291,573
Price
$10.72
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- Security type / class
- Equity / Common
- Symbol
- SIMA on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 21,291,573
- Total 13F value
- $228,278,366
- Portfolio coverage rank
- 0%
- Share change
- -1,551,134
- Value change
- -$16,568,274
- Number of holders
- 45
- Shares outstanding
- 8,204,580
- SEC-reported price per share
- $10.80
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
2 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- SIMA - SIM Acquisition Corp. I - Common is tracked under CUSIP G8431T101.
- 45 institutions reported positions in Q1 2026.
- 8 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 41 to 45 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $240,812,175 to $228,278,366.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 45 institutions filings for Q1 2026.
Security key
G8431T101
Latest holder period
Q1 2026
13F holders
45
13D/G owners
8
CIK / CUSIP context first
Open Q1 2026 holders
SIMA full holder history
SIM Acquisition Corp. I SEC filings
SIM Acquisition Corp. I company facts
SIM Acquisition Corp. I insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP G8431T101:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
8
Security
SIMA
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| SIM Sponsor 1 LLC | 93% | +274% | $82,048,758 | +$1,287,600 | 7,646,669 | +1.6% | SIM Sponsor 1 LLC | 11 May 2026 |
| AQR CAPITAL MANAGEMENT LLC | 6.4% | $15,003,150 | 1,463,722 | AQR Capital Management, LLC | 31 Mar 2025 | |||
| First Trust Capital Management L.P. | 5.6% | $14,099,220 | 1,314,000 | First Trust Capital Management L.P. | 31 Mar 2026 | |||
| PICTON MAHONEY ASSET MANAGEMENT | 5.6% | -27% | $13,936,000 | -$5,360,000 | 1,300,000 | -28% | Picton Mahoney Asset Management | 31 Mar 2026 |
| BARCLAYS PLC | 4.3% | -31% | $10,291,157 | -$4,465,870 | 987,436 | -30% | Barclays PLC | 30 Jun 2025 |
| MMCAP International Inc. SPC | 4.3% | -48% | $10,213,658 | -$10,422,100 | 980,000 | -51% | MMCAP International Inc. SPC | 30 Jun 2025 |
| GOLDMAN SACHS GROUP INC | 4.2% | $10,218,878 | 969,533 | THE GOLDMAN SACHS GROUP, INC. | 30 Sep 2025 | |||
| Westchester Capital Management, LLC | 3.3% | -40% | $8,235,876 | -$4,908,235 | 767,556 | -37% | WESTCHESTER CAPITAL MANAGEMENT, LLC | 31 Mar 2026 |
As of 31 Mar 2026, 45 institutional investors reported holding 21,291,573 shares of SIM Acquisition Corp. I - Common (SIMA). This represents 260% of the company’s total 8,204,580 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
240%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Magnetar Financial LLC | 24% | 1,945,196 | 0% | 0.21% | $20,833,049 |
| Karpus Management, Inc. | 21% | 1,725,032 | -0.6% | 0.58% | $18,492,343 |
| AQR Arbitrage LLC | 18% | 1,455,439 | -0.02% | 0.26% | $15,616,860 |
| PICTON MAHONEY ASSET MANAGEMENT | 16% | 1,300,000 | -28% | 0.15% | $13,936,000 |
| First Trust Capital Management L.P. | 16% | 1,294,000 | -28% | 0.73% | $13,871,680 |
| D. E. Shaw & Co., Inc. | 12% | 987,497 | 0% | 0.01% | $10,595,843 |
| MMCAP International Inc. SPC | 12% | 980,000 | 0% | 0.91% | $10,505,600 |
| LMR Partners LLP | 12% | 980,000 | 0% | 0.1% | $10,505,600 |
| BERKLEY W R CORP | 11% | 912,286 | +75% | 0.53% | $9,779,706 |
| TORONTO DOMINION BANK | 9.5% | 780,637 | +115% | 0.02% | $8,368,429 |
| Westchester Capital Management, LLC | 9.4% | 770,312 | -39% | 0.4% | $8,265,448 |
| Alberta Investment Management Corp | 9.1% | 750,000 | 0% | 0.05% | $8,047,500 |
| GOLDMAN SACHS GROUP INC | 7.6% | 623,342 | 0% | 0% | $6,682,226 |
| Wealthspring Capital LLC | 7.5% | 617,864 | -0.52% | 1.6% | $6,623,502 |
| Hudson Bay Capital Management LP | 7.3% | 596,090 | -0.16% | 0.04% | $6,396,046 |
| WOLVERINE ASSET MANAGEMENT LLC | 6.7% | 551,793 | -25% | 0.09% | $5,915,221 |
| Radcliffe Capital Management, L.P. | 6.6% | 539,443 | +0.58% | 0.44% | $5,782,829 |
| DLD Asset Management, LP | 6.1% | 501,421 | 0.54% | $5,375,233 | |
| WHITEBOX ADVISORS LLC | 6.1% | 500,000 | 0% | 0.08% | $5,360,000 |
| TWO SIGMA INVESTMENTS, LP | 6.1% | 500,000 | 0% | 0% | $5,360,000 |
| RIVERNORTH CAPITAL MANAGEMENT, LLC | 4.4% | 357,590 | -5.3% | 0.19% | $3,833,365 |
| Periscope Capital Inc. | 3.7% | 300,000 | -33% | 0.56% | $3,216,000 |
| Context Capital Management, LLC | 3.3% | 270,000 | 0% | 0.07% | $2,894,400 |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 3% | 250,000 | 0% | 0% | $2,682,500 |
| GLAZER CAPITAL, LLC | 2.7% | 225,149 | +0.02% | 0.05% | $2,414,000 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
7
Latest
Q1 2026
Rows shown
1-7 of 7
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 21,291,573 | $228,278,366 | -$16,568,274 | $10.72 | 45 |
| 2025 Q4 | 22,742,707 | $240,812,175 | +$222,644 | $10.59 | 41 |
| 2025 Q3 | 22,521,422 | $237,024,170 | +$4,165,060 | $10.54 | 44 |
| 2025 Q2 | 22,128,288 | $230,722,194 | +$29,048,200 | $10.42 | 44 |
| 2025 Q1 | 19,644,124 | $200,906,963 | +$14,545,802 | $10.22 | 36 |
| 2024 Q4 | 18,235,731 | $183,085,343 | +$50,808,435 | $10.04 | 39 |
| 2024 Q3 | 13,181,387 | $131,707,987 | +$131,707,987 | $9.99 | 26 |