Stocks/Funds/CIK 1819275

BCK CAPITAL MANAGEMENT LP

microcap filerconcentrated
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1819275
Assets
$23M
-82.2% YoY
Holdings
21
Lifetime alpha vs market
-12.69% annual
Average hold time
0.5 yr
median 0.3 yr

Quarterly history

Cum return -12% vs S&P +52% · α -64% lifetimeAUM $23M · peak $200MFlow $4M (+25%)2020-122021-122022-122023-122024-122025-122026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
-6.35%
trims when stocks drop
when a holding falls −10%+
Middle response
+0.94%
steady accumulation
Rally response
-24.80%
trims into rallies
when a holding rises +10%+

Top positions · 21

Ticker$ value% portYoYHold time
$4M18.2%0.8 yr
CEPOCantor Equity Partners I$4M17.7%+2.4%0.8 yr
$4M16.7%0.8 yr
WBDWarner Bros. Discovery, $2M8.1%+155.9%0.3 yr
EAElectronic Arts Inc.$1M6.2%+41.7%0.5 yr
GTLSChart Industries, Inc.$1M5.0%+43.2%0.5 yr
HOLXHologic, Inc.$1M4.6%+22.4%0.3 yr
JHGJanus Henderson Group pl$1M3.8%+46.4%0.3 yr
ACLXArcellx, Inc.$0M2.0%0.3 yr
AESThe AES Corporation$0M1.8%+19.9%0.3 yr
SEESealed Air Corporation$0M1.8%+48.7%0.3 yr
UNFUniFirst Corporation$0M1.8%+45.6%0.3 yr
ACIAlbertsons Companies, In$0M1.6%-20.1%3.0 yr
APLSApellis Pharmaceuticals,$0M1.4%+84.0%0.3 yr
IMXIInternational Money Expr$0M1.4%+25.2%0.5 yr

Portfolio composition (YoY)

Industry mix
Unknown34.8%+24.0pp$8M
Shell Companies17.7%+11.0pp$4M
Entertainment8.1%+7.8pp$2M
Electronic Gaming & Multimedia6.2%$1M
Asset Management5.2%$1M
Industrial - Machinery5.0%$1M
Biotechnology4.7%+3.2pp$1M
Medical - Instruments & Supplies4.6%$1M
Software - Application2.6%-2.3pp$1M
Independent Power Producers1.8%$0M
Country
US61.3%-21.8pp
Unknown34.8%+24.0pp
GB3.8%+0.1pp
Top 5: 66.9% · Top 10: 84.2% · Top 25: 100.0%

Winners

TickerPrev $PnLYoY %
ACI$5M-0.00B-20.1%

Losers

TickerPrev $PnLYoY %
ACI$5M-0.00B-20.1%

Top buys this quarter · 15

WBD Warner Bros. Discovery, Inc.new+$2M
HOLX Hologic, Inc.new+$1M
JHG Janus Henderson Group plcnew+$1M
EA Electronic Arts Inc.+$1M
AES The AES Corporationnew+$0M
SEE Sealed Air Corporationnew+$0M
UNF UniFirst Corporationnew+$0M
APLS Apellis Pharmaceuticals, Inc.new+$0M
TPH Tri Pointe Homes, Inc.new+$0M
NATH Nathan's Famous, Inc.new+$0M

Top sells this quarter · 4

CCIX Churchill Capital Corp IX Ordiexit$4M
GTLS Chart Industries, Inc.$3M
IMXI International Money Express, I$1M
exit$0M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$23M21+9.52%+17.59%-8.07%+0.00B
2025-12-31$18M6+1.17%+17.72%-16.55%-0.07B
2025-09-30$93M85+6.89%+17.52%-10.62%-0.03B
2025-06-30$116M75+12.50%+14.94%-2.44%-0.02B
2025-03-31$129M63-8.54%+8.30%-16.85%-0.00B
2024-12-31$138M57-5.19%+24.89%-30.08%-0.04B
2024-09-30$167M66-11.13%+36.04%-47.16%+0.00B
2024-06-30$155M76-20.58%+24.49%-45.08%+0.03B
2024-03-31$147M71-7.36%+29.62%-36.98%+0.05B
2023-12-31$102M77-3.15%+26.18%-29.33%-0.09B
2023-09-30$197M83-2.18%+21.57%-23.75%+0.07B
2023-06-30$131M65+7.14%+19.42%-12.29%+0.02B
2023-03-31$115M72-4.72%-7.82%+3.10%+0.01B
2022-12-31$97M77-0.78%+7.56%-8.34%-0.04B
2022-09-30$139M94+4.76%-4.93%+9.69%+0.00B
2022-06-30$129M99-11.05%-16.11%+5.06%-0.02B