13F

Stock

Sim Acquisition Corp. I

Ticker not mapped · held by 32 managers

Reported value

$2.6M

Holders

32

+3 new · −2 exited

Holders’ est. mark

$438.1K

Price effect on 29 books still in the name

Largest holder

$304.5K

Magnetar Financial LLC

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
Magnetar Financial LLC972.6K$304.5K$95KAdded$95K
MMCAP International Inc. SPC990K$247.5K$34.3KAdded$34.3K
Harraden Circle Investments, LLC769K$240.7KNew
AQR Arbitrage LLC814.9K$203.7K$28.2KAdded$27.3K
PICTON MAHONEY ASSET MANAGEMENT700K$175K$24.2KAdded$24.2K
LMR Partners LLP490K$122.5K$17KAdded$17K
TORONTO DOMINION BANK430.7K$107.7K$15.1KCut−$27.6K
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND375K$101.3K$20.5KAdded$20.5K
Wealthspring Capital LLC362.8K$98K$19.8KAdded$19.5K
BNP PARIBAS FINANCIAL MARKETS299.5K$93.8K$29.3KAdded$29.3K
Alberta Investment Management Corp375K$93.8K$13KAdded$13K
HIGHBRIDGE CAPITAL MANAGEMENT LLC359.9K$90K$12.5KAdded$6.47K
K2 PRINCIPAL FUND, L.P.301.2K$81.3K$15.1KCut−$5.6K
WHITEBOX ADVISORS LLC250K$62.5K$8.65KAdded$8.65K
Bulldog Investors, LLP207.3K$56K$11.3KAdded$11.1K
Periscope Capital Inc.172.5K$54K$16.8KAdded$16.8K
METEORA CAPITAL, LLC200K$54K$10.9KCut−$53.7K
CSS LLC/IL193.7K$52.3K$5.71KAdded$29.8K
Context Capital Management, LLC185K$51.8K$12KAdded$12K
Westchester Capital Management, LLC187.5K$50.6K$10.2KAdded$10.2K
RIVERNORTH CAPITAL MANAGEMENT, LLC201K$50.2K$6.95KAdded$6.95K
Verition Fund Management LLC150K$37.5K$5.19KAdded$3.67K
Shaolin Capital Management LLC150K$37.5K$5.19KCut−$13.1K
Saba Capital Management, L.P.111.2K$34.8K$10.9KAdded$10.9K
Clear Street Group Inc.124.7K$31.2K$4.32KAdded$4.29K
Lineage Point Capital LP100K$25KNew
GRITSTONE ASSET MANAGEMENT LLC75.5K$18.9K$2.61KAdded$2.61K
DLD Asset Management, LP50.5K$12.6KNew
Schonfeld Strategic Advisors LLC30K$9.39K$2.93KAdded$775
WOLVERINE ASSET MANAGEMENT LLC18.1K$4.53K$627Cut−$1.12K
LONGFELLOW INVESTMENT MANAGEMENT CO LLC3.78K$946$131Added$131
UBS Group AG45$12$2Cut−$6

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.