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Steginsky Capital LLC

CIK:0001120048
Investment Adviser
$370M AUM
8 holdings
Port Washington, NY, United States
Founded:2000
3 employees
Latest filing:Jun 30, 2025

Steginsky Capital LLC is an SEC-registered investment advisor headquartered in Port Washington, New York. Founded in 2000 by Andrew Steginsky, CFA, it manages portfolios for high-net-worth individuals, trusts, private foundations, and select businesses. The firm emphasizes long-term, concentrated investments in public companies with a strong focus on management quality, culture, and accountability. Steginsky Capital has three employees and serves clients mainly in the United States.

Investment Strategy

Steginsky Capital LLC manages long-term, highly concentrated portfolios of public companies, typically holding eight or fewer positions at a time. The firm prioritizes deep relationships with first-class entrepreneurs and company leadership, emphasizing culture and character as crucial drivers of value. It invests with high conviction in select businesses, holding them for extended periods and focusing solely on issues relevant to long-term wealth creation, disregarding short-term market movements or volatility. Steginsky Capital independently manages accounts, custodies assets at institutions chosen by clients, and embraces volatility as an opportunity for generous returns.

Top Buys
G
GOOGALPHABET INC CAP STKCL C
+$20.9M
M
MLMMARTIN MARIETTA MATLS INC
+$10.7M
M
MKLMARKEL CORP
+$5.9M
F
FASTFASTENAL CO
+$4.8M
B
BRK-ABERKSHIRE HATHAWAY INC CL A
+$2.2M
Top Sells
G
GOOGALPHABET INC CAP STKCL C
+$20.9M
M
MLMMARTIN MARIETTA MATLS INC
+$10.7M
M
MKLMARKEL CORP
+$5.9M
F
FASTFASTENAL CO
+$4.8M
B
BRK-ABERKSHIRE HATHAWAY INC CL A
+$2.2M

Top Holdings

C
COSTCOSTCO WHOLESALE CORP
+26.3%$128.7M
G
GOOGALPHABET INC CAP STKCL C
+24.4%$119.6M
M
MKLMARKEL CORP
+16.2%$79.0M
M
MLMMARTIN MARIETTA MATLS INC
+13.3%$65.2M
F
FASTFASTENAL CO
+12.5%$61.1M

Equity Positions (8)

TickerSecurityWeightMarket ValueSharesAvg CostPriceChange (QoQ)
C
COST
COSTCO WHOLESALE CORP26.32%$128.7M130,055$233.16$989.94-$918.0K
G
GOOG
ALPHABET INC CAP STKCL C24.45%$119.6M674,065$75.95$177.39+$20.9M
M
MKL
MARKEL CORP16.16%$79.0M39,561$1127.93$1997.36+$5.9M
M
MLM
MARTIN MARIETTA MATLS INC13.33%$65.2M118,762$248.89$548.96+$10.7M
F
FAST
FASTENAL CO12.50%$61.1M1,455,043$38.19$42.00+$4.8M

Industry Allocation

SERVICES-COMPUTER PROGRAMMING, DATA PROCESSING, ETC.
+49.4%
RETAIL-VARIETY STORES
+26.3%
FIRE, MARINE & CASUALTY INSURANCE
+22.9%
MINING & QUARRYING OF NONMETALLIC MINERALS (NO FUELS)
+13.3%
RETAIL-BUILDING MATERIALS, HARDWARE, GARDEN SUPPLY
+12.5%