BCK Capital Management LP

Name: BCK CAPITAL MANAGEMENT LP 13F holdings, Q1 2026
Creator: BCK CAPITAL MANAGEMENT LP
Published: 2026-05-01

Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024

In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 1, 2026), BCK Capital Management LP reported 21 stock positions worth $23.0 million. Its top holding was Velos Acquisition I (VLOS) at 18.2% of the portfolio, followed by Cantor Equity Partners I-A (CEPO, 17.7%) and Yorkville Acquisition Class A (MCGA, 16.7%). Compared with Q4 2025, it opened 17 new positions and sold out of 2. The biggest buy was a new position in Warner Bros Discovery (WBD) and the biggest sale an exit from Churchill Capital Corp. Ix (CCIX).

Most Recent 13F: Q1 2026
Location: STAMFORD, CT
CIK: 0001819275
Portfolio Value: $23.0M (Q1 2026)
SEC Filing: 0001819275-26-000002 ↗ filed May 1, 2026

Holdings Value

Holdings 21 stocks · $23.0M


VLOS Velos Acquisition I Corp. filed as M3BRIGADE ACQUISITION V CORP	18.15%	388,000	$4.2M	No change
CEPO Cantor Equity Partners I-A	17.75%	388,000	$4.1M	No change
MCGA Yorkville Acquisition Corp. Class A	16.69%	379,000	$3.8M	No change
WBD Warner Bros Discovery Inc.	8.13%	68,000	$1.9M	New
EA Electronic Arts Inc.	6.22%	7,000	$1.4M	New
GTLS Chart Industries Inc.	4.95%	5,500	$1.1M	New
HOLX Hologic Inc.	4.61%	14,000	$1.1M	New
JHG Janus Henderson Group PLC	3.84%	17,170	$882K	New
ACLX Arcellx Inc.	2.00%	4,000	$459K	New
AES AES Corp.	1.84%	30,000	$423K	New
SEE Sealed Air Corp.	1.83%	10,000	$421K	New
UNF Unifirst Corp.	1.75%	1,600	$403K	New
ACI Albertsons Cos Inc. Class A	1.61%	21,730	$370K	No change
APLS Apellis Pharmaceuticals Inc.	1.40%	8,000	$322K	New
IMXI International Money Express	1.38%	20,000	$316K	New
DBRG Digitalbridge Group Inc.	1.34%	20,000	$308K	New
TPH Tri Pointe Homes Inc.	1.32%	6,500	$304K	New
NATH Nathan's Famous Inc.	1.32%	3,000	$302K	New
ONTF ON24 Inc.	1.31%	37,000	$300K	New
CWAN Clearwater Analytics HDS-A	1.29%	12,500	$296K	New
FOLD Amicus Therapeutics Inc.	1.26%	20,000	$289K	New

Portfolio Sells Q4 2025 → Q1 2026


CCIX Churchill Capital Corp. Ix	Sold out	0.00%	−22.49
MRLN Merlin Inc.	Sold out	0.00%	−8.61

Portfolio Buys Q4 2025 → Q1 2026


WBD Warner Bros Discovery Inc.	New	8.13%	+8.13
EA Electronic Arts Inc.	New	6.22%	+6.22
GTLS Chart Industries Inc.	New	4.95%	+4.95
HOLX Hologic Inc.	New	4.61%	+4.61
JHG Janus Henderson Group PLC	New	3.84%	+3.84
ACLX Arcellx Inc.	New	2.00%	+2.00
AES AES Corp.	New	1.84%	+1.84
SEE Sealed Air Corp.	New	1.83%	+1.83
UNF Unifirst Corp.	New	1.75%	+1.75
APLS Apellis Pharmaceuticals Inc.	New	1.40%	+1.40
IMXI International Money Express	New	1.38%	+1.38
DBRG Digitalbridge Group Inc.	New	1.34%	+1.34
TPH Tri Pointe Homes Inc.	New	1.32%	+1.32
NATH Nathan's Famous Inc.	New	1.32%	+1.32
ONTF ON24 Inc.	New	1.31%	+1.31
CWAN Clearwater Analytics HDS-A	New	1.29%	+1.29
FOLD Amicus Therapeutics Inc.	New	1.26%	+1.26

Options Activity Q4 2025 → Q1 2026


ACI Albertsons Cos Inc. Class A	call	Sold out	278,100	$4.8Mbefore exit

Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.

All Filings

Quarter	Positions	13F Reported Value	Top Holdings
Q1 2026	21	$23.0M	VLOS, CEPO, MCGA, WBD, EA
Q4 2025	6	$18.0M	VLOS, CCIX, CEPO, MCGA, MRLN
Q3 2025	83	$93.0M	SPR, K, GTLS, CTLP, TXNM
Q2 2025	71	$115.1M	K, JNPR, GMS, ACI, SPR
Q1 2025	59	$128.4M	X, K, JNPR, CCIR, COLOMBIER ACQUISITION CORP
Q4 2024	54	$138.2M	EDR, X, K, JNPR, HCP
Q3 2024	62	$166.8M	EDR, SIRI, X, RCM, ACI
Q2 2024	70	$154.6M	EDR, LSXMA, X, AGR, ACI
Q1 2024	65	$146.8M	EVBG, X, EDR, LSXMA, PXD