13F

Investor

BCK CAPITAL MANAGEMENT LP

CIK 0001819275 · filed 2026-05-01 · SEC filing

13F book

$23M

Positions

21

17 new · 2 sold

Largest name

18.2%

M3brigade Acquisition V Corp

Est. mark

$67.2K

Price effect on 4 names still held. Flow $4.93M.
NameTickerSharesValueWeightEst. markChange
M3brigade Acquisition V Corp—388K$4.17M18.2%$42.7KHeld
Cantor Equity Partners I, Inc.CEPO388K$4.07M17.7%$34.9KHeld
Yorkville Acquisition Corp.—379K$3.83M16.7%−$7.58KHeld
Warner Bros. Discovery, Inc.WBD68K$1.87M8.1%—New
Electronic Arts Inc.EA7K$1.43M6.2%—New
Chart Inds Inc—5.5K$1.14M5.0%—New
Hologic Inc—14K$1.06M4.6%—New
Janus Henderson Group Plc—17.2K$882K3.8%—New
Arcellx Inc—4K$459.3K2.0%—New
Aes CorpAES30K$422.7K1.8%—New
Sealed Air Corp New—10K$420.5K1.8%—New
Unifirst Corp Mass—1.6K$402.5K1.8%—New
Albertsons Cos IncACI21.7K$370.3K1.6%−$2.82KHeld
Apellis Pharmaceuticals Inc—8K$321.8K1.4%—New
International Mny Express InIMXI20K$316K1.4%—New
Digitalbridge Group Inc—20K$308.4K1.3%—New
Tri Pointe Homes Inc—6.5K$303.7K1.3%—New
Nathans Famous Inc NewNATH3K$302.2K1.3%—New
On24 Inc—37K$299.7K1.3%—New
Clearwater Analytics Hldgs I—12.5K$295.6K1.3%—New
Amicus Therapeutics Inc—20K$289.2K1.3%—New

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.