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SIMA

SIM Acquisition Corp. I
$10.87 +0.00 (+0.00%) At close · Jul 2
Going-concern doubt — flagged May 15, 2026

Substantial doubt about the company's ability to continue as a going concern.

“Management has determined that the mandatory liquidation and subsequent dissolution raises substantial doubt about the Company’s ability to continue as a going concern.”
View the 10-Q filed May 15, 2026
Market Cap
$206.70M
Shares
8,219,435

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 45
Total Value: $250,409,849
Total Shares: 23,359,129

Institutional Ownership Trend

7 quarters

Holder Concentration

Across 45 13F filers · Δ vs Dec 31, 2025
Top Holder
9.1%
Sep 2024 → Mar 2026 · range 8.6% – 15.0%
+0.6 pts
Top 5
36.3%
Sep 2024 → Mar 2026 · range 36.3% – 58.7%
−2.2 pts
Top 10
58.1%
Sep 2024 → Mar 2026 · range 58.1% – 79.7%
−2.2 pts
HHI
459
Sep 2024 → Mar 2026 · range 459 – 866
Broadly held−20

Quarterly Activity

vs Dec 31, 2025
New
5
Increased
9
Decreased
12
Sold Out
1
Unchanged
19
Holder count: +4
Institutional value: +4.0%
Shares held: +2.7%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mid PICTON MAHONEY ASSET MANAGEMENT +800,000 2,600,000
Large TORONTO DOMINION BANK +416,938 780,637
Mid BERKLEY W R CORP +390,768 912,286
Mid Westchester Capital Management, LLC +267,556 1,537,868
Large Clear Street Group Inc. +33,969 35,286

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mid MIZUHO SECURITIES USA LLC −565,592 83,018
Mid First Trust Capital Management L.P. −506,000 1,294,000
Small Bulldog Investors, LLP −214,660 200,000
Mid WOLVERINE ASSET MANAGEMENT LLC −180,666 551,793
Small Periscope Capital Inc. −150,000 300,000

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Small DLD Asset Management, LP 501,421 $5,375,233
Small Crossingbridge Advisors, LLC 104,500 $1,120,240
Small RLH Capital LLC 100,000 $1,072,000
Mid SONA ASSET MANAGEMENT (US) LLC 100,000 $1,072,000
Small RiverPark Advisors, LLC 53,900 $577,808

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Large COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 400,000 $4,236,000
Filter: New 5 Increased 9 Reduced 12 Sold out 1 Unchanged 19
Showing 47 of 47
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mid Magnetar Financial LLC $20,852,501 8.33% 1,945,196
Mid Karpus Management, Inc. $18,492,343 7.38% 1,725,032
Mid AQR Arbitrage LLC $15,602,306 6.23% 1,455,439
Mid PICTON MAHONEY ASSET MANAGEMENT $13,936,000 5.57% 1,300,000
Mid PICTON MAHONEY ASSET MANAGEMENT $13,936,000 5.57% 1,300,000
Mid First Trust Capital Management L.P. $13,871,680 5.54% 1,294,000
Mega D. E. Shaw & Co., Inc. $10,585,967 4.23% 987,497
Large LMR Partners LLP $10,505,600 4.20% 980,000
Small MMCAP International Inc. SPC $10,505,600 4.20% 980,000
Mid BERKLEY W R CORP $9,779,705 3.91% 912,286
Large TORONTO DOMINION BANK Bank $8,368,428 3.34% 780,637
Mid Westchester Capital Management, LLC $8,257,743 3.30% 770,312
Mid Westchester Capital Management, LLC $8,228,200 3.29% 767,556
Mid Alberta Investment Management Corp $8,040,000 3.21% 750,000
Mega GOLDMAN SACHS GROUP INC $6,682,226 2.67% 623,342
Small Wealthspring Capital LLC $6,623,502 2.65% 617,864
Large Hudson Bay Capital Management LP $6,390,084 2.55% 596,090
Mid WOLVERINE ASSET MANAGEMENT LLC $5,915,220 2.36% 551,793
Small Radcliffe Capital Management, L.P. $5,782,828 2.31% 539,443
Small DLD Asset Management, LP $5,375,233 2.15% 501,421
Mid WHITEBOX ADVISORS LLC $5,360,000 2.14% 500,000
Mega TWO SIGMA INVESTMENTS, LP $5,360,000 2.14% 500,000
Mid RIVERNORTH CAPITAL MANAGEMENT, LLC $3,833,364 1.53% 357,590
Small Periscope Capital Inc. $3,216,000 1.28% 300,000
Small Context Capital Management, LLC $2,894,400 1.16% 270,000
Large HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND Pension $2,680,000 1.07% 250,000
Mid GLAZER CAPITAL, LLC $2,413,597 0.96% 225,149
Small L1 Global Manager Pty Ltd $2,144,000 0.86% 200,000
Small Bulldog Investors, LLP $2,144,000 0.86% 200,000
Large Verition Fund Management LLC $2,048,742 0.82% 191,114
Small Crossingbridge Advisors, LLC $1,120,240 0.45% 104,500
Small Quarry LP $1,072,000 0.43% 100,000
Small DELTEC ASSET MANAGEMENT LLC $1,072,000 0.43% 100,000
Small Shaolin Capital Management LLC $1,072,000 0.43% 100,000
Small RLH Capital LLC $1,072,000 0.43% 100,000
Mid SONA ASSET MANAGEMENT (US) LLC $1,072,000 0.43% 100,000
Mid MIZUHO SECURITIES USA LLC Broker-Dealer $889,952 0.36% 83,018
Large Schonfeld Strategic Advisors LLC $743,892 0.30% 69,393
Small RiverPark Advisors, LLC $577,808 0.23% 53,900
Mega UBS Group AG $460,787 0.18% 42,984
Large Clear Street Group Inc. $378,265 0.15% 35,286
Micro Kepos Capital LP $321,600 0.13% 30,000
Small HGC Investment Management Inc. $268,000 0.11% 25,000
Small PenderFund Capital Management Ltd. $218,688 0.09% 20,400
Small ROBINSON CAPITAL MANAGEMENT, LLC $163,480 0.07% 15,250
Small LONGFELLOW INVESTMENT MANAGEMENT CO LLC $81,107 0.03% 7,566
Mega MORGAN STANLEY $761 0.00% 71
Key facts CIK 2014982 CUSIP G8431T101 Visit website

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