13F

Stock

Launch One Acquisition Corp

Ticker not mapped · held by 43 managers

Reported value

$247.1M

Holders

43

+3 new · −5 exited

Holders’ est. mark

$2.65M

Price effect on 39 books still in the name

Largest holder

$22.2M

First Trust Capital Management L.P.

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
First Trust Capital Management L.P.2.07M$22.2M$248.4KAdded$248.4K
LMR Partners LLP1.98M$21.2M$237.6KAdded$237.6K
Magnetar Financial LLC1.95M$20.9M$272.3KAdded$272.3K
PICTON MAHONEY ASSET MANAGEMENT1.67M$17.9M$200.4KAdded$200.4K
AQR Arbitrage LLC1.56M$16.6M$140.1KCut−$42.5K
BERKLEY W R CORP1.49M$15.9M$170.8KAdded$854.5K
MMCAP International Inc. SPC1.48M$15.9M$177.6KAdded$177.6K
MIZUHO SECURITIES USA LLC1.48M$15.8M$225.9KAdded$799.5K
Karpus Management, Inc.1.09M$11.6M$97.7KCut−$225.9K
WOLVERINE ASSET MANAGEMENT LLC1.01M$10.9M$121.7KAdded$96.9K
D. E. Shaw & Co., Inc.990K$10.6M$138.6KAdded$138.6K
Alberta Investment Management Corp750K$8.05M$105KAdded$105K
TENOR CAPITAL MANAGEMENT Co., L.P.750K$8.03M$90KAdded$90K
Wealthspring Capital LLC696.2K$7.44M$62.7KCut−$17.9K
GOLDMAN SACHS GROUP INC627.1K$6.7M$56.4KAdded$64.9K
Crossingbridge Advisors, LLC471.6K$5.05M$10.4KAdded$4.17M
RiverPark Advisors, LLC408.5K$4.38M$10.4KAdded$3.5M
RIVERNORTH CAPITAL MANAGEMENT, LLC366.7K$3.93M$44KAdded$44K
TORONTO DOMINION BANK314.3K$3.37M$29.4KAdded$772.5K
Shaolin Capital Management LLC300K$3.21M$36KAdded$36K
WHITEBOX ADVISORS LLC250K$2.68M$30KAdded$30K
ARISTEIA CAPITAL, L.L.C.196.3K$2.1M$23.6KAdded$23.6K
Periscope Capital Inc.160.5K$1.72M$19.3KAdded$19.3K
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND150.1K$1.61M$21KCut−$2.63M
Quarry LP150K$1.61M$18KAdded$18K
RLH Capital LLC150K$1.61MHeld
Polar Asset Management Partners Inc.150K$1.61M$18KAdded$18K
Schonfeld Strategic Advisors LLC132.3K$1.42M$15.9KCut−$155.6K
DELTEC ASSET MANAGEMENT LLC100K$1.07M$9KAdded$9K
Radcliffe Capital Management, L.P.55.9K$598.7K$6.71KAdded$6.71K
PenderFund Capital Management Ltd.31.4K$336.3K$3.77KAdded$3.77K
HIGHBRIDGE CAPITAL MANAGEMENT LLC30.1K$323.1KNew
Dakota Wealth Management22K$235K$1.98KCut−$23.4K
Wellspring Financial Advisors, LLC18.3K$195.4K$1.65KAdded$1.65K
ROBINSON CAPITAL MANAGEMENT, LLC15.3K$163.9K$2.44KAdded$2.44K
BNP PARIBAS FINANCIAL MARKETS12.2K$130.3KNew
Citadel10.1K$108.1K$1.41KAdded$1.41K
LONGFELLOW INVESTMENT MANAGEMENT CO LLC666$7.13K$80Added$80
Glazer Capital, LLC105K$1.12K$9Added$39
Mint Tower Capital Management B.V.100K$1.07K$12Added$12
MORGAN STANLEY71$758$6Cut−$290
UBS Group AG45$481New
HRT FINANCIAL LP10K$107$2Added$2

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.