Stocks/Funds/CIK 1905218

RK Capital Management, LLC/FL

microcap filerconcentrated
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1905218
Assets
$44M
-58.7% YoY
Holdings
23
Lifetime alpha vs market
-71.17% annual
Average hold time
0.6 yr
median 0.3 yr

Quarterly history

Cum return -91% vs S&P +41% · α -132% lifetimeAUM $44M · peak $1.6BFlow $-1.5B (-92%)2023-122024-062024-122025-062025-122026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
-61.86%
trims when stocks drop
when a holding falls −10%+
Middle response
-31.76%
baseline attrition
Rally response
-26.11%
trims into rallies
when a holding rises +10%+

Top positions · 23

Ticker$ value% portYoYHold time
PSLVSprott Physical Silver T$12M28.6%0.3 yr
IWMiShares Russell 2000 ETF$8M17.5%0.5 yr
SPYState Street SPDR S&P 50$7M15.3%+17.6%2.5 yr
AACIArmada Acquisition Corp.$5M12.2%0.3 yr
UNOVInnovator U.S. Equity Ul$2M5.7%1.0 yr
EAElectronic Arts Inc.$1M3.4%+41.7%0.3 yr
ACLXArcellx, Inc.$1M3.1%0.3 yr
CCitigroup Inc.$1M2.0%+63.9%0.3 yr
BRRProCap Financial, Inc.$1M1.7%0.5 yr
IBMInternational Business M$1M1.6%-0.1%0.5 yr
ZIMZIM Integrated Shipping $1M1.4%+98.9%0.3 yr
ETEnergy Transfer LP$1M1.3%+12.1%1.3 yr
NAPRInnovator Growth-100 Pow$1M1.3%0.3 yr
UPSUnited Parcel Service, I$1M1.3%-4.4%0.3 yr
BITOProShares - Bitcoin ETF$0M1.0%2.0 yr

Portfolio composition (YoY)

Industry mix
Asset Management68.4%+36.0pp$30M
Financial - Conglomerates12.2%$5M
Electronic Gaming & Multimedia3.4%$1M
Biotechnology3.1%$1M
Asset Management - Cryptocurrency2.7%-0.3pp$1M
Banks - Diversified2.0%$1M
Information Technology Services1.6%$1M
Marine Shipping1.4%$1M
Oil & Gas Midstream1.3%+0.4pp$1M
Integrated Freight & Logistics1.3%$1M
Country
US69.0%-31.0pp
CA29.2%
IL1.4%
Unknown0.4%
Top 5: 79.3% · Top 10: 91.1% · Top 25: 100.0%

Winners

TickerPrev $PnLYoY %
SPY$22M+0.00B17.6%
ET$1M+0.00B12.1%

Losers

TickerPrev $PnLYoY %

Top buys this quarter · 15

AACI Armada Acquisition Corp. IIInew+$5M
EA Electronic Arts Inc.new+$1M
C Citigroup Inc.new+$1M
ZIM ZIM Integrated Shipping Servicnew+$1M
UPS United Parcel Service, Inc.new+$1M
ET Energy Transfer LP+$0M
B Barrick Mining Corporationnew+$0M
PAYO Payoneer Global Inc.new+$0M
IBM International Business Machine+$0M
FUSE Fusemachines Inc.new+$0M

Top sells this quarter · 15

NVDA NVIDIA Corporationexit$776M
AMZN Amazon.com, Inc.exit$182M
TSLA Tesla, Inc.exit$170M
AVGO Broadcom Inc.exit$88M
AMD Advanced Micro Devices, Inc.exit$73M
NFLX Netflix, Inc.exit$62M
PLTR Palantir Technologies Inc.exit$51M
UNH UnitedHealth Group Incorporateexit$50M
NAKA Nakamoto Inc.$7M
MRVL Marvell Technology, Inc.exit$1M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$44M23-91.73%+17.59%-109.32%-1.48B
2025-12-31$1.61B20-92.24%+17.72%-109.96%+1.56B
2025-09-30$65M15-90.42%+17.52%-107.94%+0.06B
2025-06-30$82M16+15.22%+14.94%+0.28%-0.04B
2025-03-31$105M11+1.47%+8.30%-6.84%-0.96B
2024-12-31$1.20B10+16.49%+24.89%-8.40%+1.10B
2024-09-30$98M11+5.97%+5.75%+0.22%-0.00B
2024-06-30$96M18+4.12%+4.38%-0.26%+0.01B
2024-03-31$82M5+1.95%+10.39%-8.44%-0.14B
2023-12-31$214M27