13F

Stock

Launch One Acquisition Corp

Ticker not mapped · held by 30 managers

Reported value

$1.78M

Holders

30

+0 new · −1 exited

Holders’ est. mark

−$1.04M

Price effect on 30 books still in the name

Largest holder

$400K

BOOTHBAY FUND MANAGEMENT, LLC

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
BOOTHBAY FUND MANAGEMENT, LLC37.4K$400K$4.48KAdded$4.48K
LMR Partners LLP990K$136.6K−$110.9KCut−$110.9K
MMCAP International Inc. SPC990K$136.6K−$110.9KCut−$110.9K
Magnetar Financial LLC972.6K$136K−$107.2KCut−$107.2K
AQR Arbitrage LLC799.3K$111.7K−$88.1KCut−$89K
PICTON MAHONEY ASSET MANAGEMENT734.9K$101.4K−$82.3KCut−$82.3K
METEORA CAPITAL, LLC599.9K$82.8K−$67.2KCut−$199.2K
HIGHBRIDGE CAPITAL MANAGEMENT LLC519.1K$72.7K−$48.5KCut−$37.7K
TORONTO DOMINION BANK504.9K$69.7K−$13.1KAdded$40.5K
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND425.1K$59.4K−$46.8KCut−$46.8K
CSS LLC/IL405.4K$55.9K−$45.4KCut−$107.9K
Wealthspring Capital LLC386.8K$53.4K−$43.3KCut−$44.2K
Alberta Investment Management Corp375K$51.8K−$42KCut−$42K
Shaolin Capital Management LLC361.7K$49.9K−$40.5KCut−$42.6K
BNP PARIBAS FINANCIAL MARKETS313K$43.2K−$35.1KCut−$35.1K
WHITEBOX ADVISORS LLC255.6K$35.3K−$28.6KCut−$28.6K
Periscope Capital Inc.237.5K$32.8K−$12.6KAdded$4.65K
RIVERNORTH CAPITAL MANAGEMENT, LLC218.9K$30.2K−$24.5KCut−$24.5K
TENOR CAPITAL MANAGEMENT Co., L.P.200K$27.6K−$22.4KCut−$22.4K
Clear Street Group Inc.188.8K$26.1K−$21.1KCut−$21.4K
ARISTEIA CAPITAL, L.L.C.98.2K$13.6K−$10.8KCut−$10.8K
GRITSTONE ASSET MANAGEMENT LLC81.4K$11.2K−$9.12KCut−$9.12K
Polar Asset Management Partners Inc.75K$10.3K−$8.4KCut−$8.4K
K2 PRINCIPAL FUND, L.P.71.9K$10.1K−$7.91KCut−$41.1K
Verition Fund Management LLC65.2K$9.11K−$7.18KCut−$7.21K
Schonfeld Strategic Advisors LLC53.6K$7.4K−$6KCut−$6.31K
WOLVERINE ASSET MANAGEMENT LLC25.2K$3.48K−$2.83KCut−$5.35K
UBS Group AG5.31K$733−$103Added$504
LONGFELLOW INVESTMENT MANAGEMENT CO LLC3.86K$532−$433Cut−$433
Mint Tower Capital Management B.V.50K$7−$6Cut−$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.