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Steginsky Capital LLC

13F filer · CIK 0001120048
Reported Jul 9, 2026
Net buyer this quarter
13F portfolio value$666MU.S. long equity reported on 13F
Positions80 new · 0 closed
Net flow last quarter+$18.6MBuys minus sells
Top 10 positions weight100.0%Concentration

Holdings

13F · last 4 quarters free
Scroll for earlier quarters
CompanyValue% of portfolio% of companyPOSITION CHANGE qoq %First reported
Q2 2026Reported Jul 9, 20268 positions
GOOGAlphabet Inc.$244M36.56%Not reported+0.8%Q4 2016
COSTCostco Wholesale Corp$127M18.99%0.03%-0.1%Q4 2016
MKLMarkel Group Inc.$88.7M13.31%0.36%+5.9%Q4 2016
FASTFastenal Co$82.6M12.39%0.15%+4.9%Q4 2016
MLMMartin Marietta Materials Inc$79.9M11.99%0.23%+8.0%Q4 2016
BRK.BBerkshire Hathaway Inc$37.2M5.59%Not reported-0.2%Q4 2016
GOOGLAlphabet Inc.$4.76M0.71%0.00%+1.8%Q3 2017
BRK.ABerkshire Hathaway Inc$3M0.45%Not reported+300.0%Q2 2025
Q1 2026Reported May 4, 20268 positions
GOOGAlphabet Inc.$196M32.43%Not reported+1.7%Q4 2016
COSTCostco Wholesale Corp$135M22.30%0.03%+2.5%Q4 2016
MKLMarkel Group Inc.$82M13.56%0.34%+4.6%Q4 2016
FASTFastenal Co$76M12.57%0.14%+2.7%Q4 2016
MLMMartin Marietta Materials Inc$75.6M12.49%0.21%+7.3%Q4 2016
BRK.BBerkshire Hathaway Inc$35.7M5.91%Not reported+5.7%Q4 2016
GOOGLAlphabet Inc.$3.77M0.62%0.00%+0.2%Q3 2017
BRK.ABerkshire Hathaway Inc$718K0.12%Not reported-66.7%Q2 2025
Q4 2025Reported Feb 5, 20268 positions
GOOGAlphabet Inc.$211M35.56%Not reported-1.2%Q4 2016
COSTCostco Wholesale Corp$114M19.21%0.03%+5.5%Q4 2016
MKLMarkel Group Inc.$88.1M14.85%0.33%+2.2%Q4 2016
MLMMartin Marietta Materials Inc$74.5M12.55%0.20%0.0%Q4 2016
FASTFastenal Co$64M10.79%0.14%+10.8%Q4 2016
BRK.BBerkshire Hathaway Inc$35.5M5.98%Not reported+1.9%Q4 2016
GOOGLAlphabet Inc.$4.09M0.69%0.00%Not reportedQ3 2017
BRK.ABerkshire Hathaway Inc$2.26M0.38%Not reportedNot reportedQ2 2025
Q3 2025Reported Nov 13, 20258 positions
GOOGAlphabet Inc.$166M30.43%Not reported+1.0%Q4 2016
COSTCostco Wholesale Corp$116M21.29%0.03%-3.7%Q4 2016
MKLMarkel Group Inc.$76.6M14.07%0.32%+1.3%Q4 2016
MLMMartin Marietta Materials Inc$75.4M13.85%0.20%+0.8%Q4 2016
FASTFastenal Co$70.6M12.97%0.13%-1.0%Q4 2016
BRK.BBerkshire Hathaway Inc$34.8M6.39%Not reported+8.7%Q4 2016
GOOGLAlphabet Inc.$3.18M0.58%0.00%Not reportedQ3 2017
BRK.ABerkshire Hathaway Inc$2.26M0.42%Not reportedNot reportedQ2 2025
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