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SEC Form 13F

BCK CAPITAL MANAGEMENT LP 13F Holdings

Inspect BCK CAPITAL MANAGEMENT LP's 2026-03-31 SEC 13F positions, public filing date, amendments and original receipt.

As of 2026-05-02T03:59:59.999Z

Report period
2026-03-31
Publicly available
2026-05-02
Reported value
$22,956,591
Positions
21
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Disclosed positions

Largest disclosed position values

Scale: 0 to 4,167,100 USD · zero baseline

Largest disclosed position values

  • M3BRIGADE ACQUISITION V CORP · CL A+4,167,120 USD
  • CEPO · SHS CL A+4,074,000 USD
  • MCGA · SHS CL A+3,831,690 USD
  • WBD · COM SER A+1,867,280 USD
  • EA · COM+1,427,090 USD
  • GTLS · COM+1,137,125 USD
  • HOLOGIC INC · COM+1,058,260 USD
  • JHG · ORD SHS+882,023 USD
  • ARCELLX INC · COMMON STOCK+459,280 USD
  • AES · COM+422,700 USD

Reported underlying-position values for 2026-03-31, publicly available 2026-05-02. Put/call values are not option premiums; this subset is not a complete portfolio allocation. Exact issuer, class and unit remain in the table. Showing the first 10 of 21 recorded values; the complete table remains available below.

Inspect all 21 displayed rows: Disclosed positions

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M3BRIGADE ACQUISITION V CORPUnresolvedCL A$4,167,120388,000SHNone
CANTOR EQUITY PARTNERS I INCCEPOSHS CL A$4,074,000388,000SHNone
YORKVILLE ACQUISITION CORP.MCGASHS CL A$3,831,690379,000SHNone
WARNER BROS DISCOVERY INCWBDCOM SER A$1,867,28068,000SHNone
ELECTRONIC ARTS INCEACOM$1,427,0907,000SHNone
CHART INDS INCGTLSCOM$1,137,1255,500SHNone
HOLOGIC INCUnresolvedCOM$1,058,26014,000SHNone
JANUS HENDERSON GROUP PLCJHGORD SHS$882,02317,170SHNone
ARCELLX INCUnresolvedCOMMON STOCK$459,2804,000SHNone
AES CORPAESCOM$422,70030,000SHNone
SEALED AIR CORP NEWSEECOM$420,50010,000SHNone
UNIFIRST CORP MASSUNFCOM$402,5441,600SHNone
ALBERTSONS COS INCACICOMMON STOCK$370,27921,730SHNone
APELLIS PHARMACEUTICALS INCAPLSCOM$321,8408,000SHNone
INTERNATIONAL MONEY EXPRESSIMXICOM$316,00020,000SHNone
DIGITALBRIDGE GROUP INCDBRGCL A NEW$308,40020,000SHNone
TRI POINTE HOMES INCTPHCOM$303,7456,500SHNone
NATHANS FAMOUS INCNATHCOM$302,1903,000SHNone
ON24 INCUnresolvedCOM$299,70037,000SHNone
CLEARWATER ANALYTICS HLDGS ICWANCL A$295,62512,500SHNone
AMICUS THERAPEUTICUnresolvedCOM$289,20020,000SHNone

Largest 50 positions by reported value; the filing may contain more positions.

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M3BRIGADE ACQUISITION V CORPUnresolvedCL A$4,167,120388,000SHNone

First displayed source row from Disclosed positions. The full bounded history and coverage notes remain below.

The displayed observation date is 2026-03-31 and its public availability date is 2026-05-02. Subtracting those calendar dates gives 32 days of disclosure lag. Historical public research can use the record from the availability date, rather than backdating knowledge to the observation date. The calendar-day difference does not assert an intraday publication time.

Read the amount together with its Unit and Option columns. A reported put or call position is not an option premium paid, and a quarterly holding is not a purchase made on its public filing date. Check every accession in the effective amendment lineage below: a retained holding can originate in an earlier filing rather than the latest linked amendment.

Open the linked original receipts to verify the row, then inspect a second record before drawing a pattern. This public filing observation supplies source evidence, not a completed copy-trading return.

How amendments affect these holdings

This view uses 1 effective filing version(s). A restatement replaces the previous book; a new-holdings amendment adds positions. 5 positions lack a resolved ticker and 0 positions are put or call entries.

The displayed holdings combine the effective filing versions listed here. The latest receipt linked below identifies the current projection version; it is not proof that every retained holding originated in that latest amendment. Inspect all effective accessions when verifying a position's source.

A 13F is a delayed quarterly snapshot of disclosed holdings. It is not a complete trade ledger and does not reveal every position in a manager's portfolio. Option values refer to the reported underlying position rather than a traded option premium.

Show the table · 1 row, 2 columns
Effective SEC accessionRole in this view
0001819275-26-000002Latest effective version

Quarter end and public filing date

Use the filing's public availability date when constructing a historical observation. The quarter-end report period is earlier and cannot be substituted for when the public learned the holdings.