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Rockbridge Asset Management LLC

13F filer · CIK 0002056320
Reported Aug 10, 2026
Net buyer this quarter
13F portfolio value$155MU.S. long equity reported on 13F
Positions294 new · 0 closed
Net flow last quarter+$1.76MBuys minus sells
Top 10 positions weight78.2%Concentration

Holdings

13F · last 4 quarters free
Scroll for earlier quarters
CompanyValue% of portfolio% of companyPOSITION CHANGE qoq %First reported
Q2 2026Reported Aug 10, 202629 positions
MKLMarkel Group Inc.$18.7M12.07%0.08%+2.1%Q4 2024
AMZNAmazon Com Inc$14.6M9.42%0.00%+0.1%Q4 2024
ORLYO Reilly Automotive Inc$13.2M8.52%0.02%-1.6%Q4 2024
CPRTCopart Inc$13M8.41%0.05%+67.7%Q4 2024
AMTAmerican Tower Corp$12.9M8.31%0.02%-5.0%Q4 2024
MSFTMicrosoft Corp$11.5M7.41%0.00%-0.1%Q4 2024
BRK.BBerkshire Hathaway Inc$11.4M7.33%Not reported-0.6%Q4 2024
AAPLApple Inc.$9.72M6.26%0.00%-0.6%Q4 2024
MAMastercard Inc$8.21M5.29%0.00%-3.4%Q4 2024
LMTLockheed Martin Corp$8.02M5.17%0.01%-1.2%Q4 2024
VVisa Inc.$7.51M4.84%0.00%-11.2%Q4 2024
GOOGLAlphabet Inc.$7.34M4.73%0.00%-0.1%Q4 2024
CCCCCC Intelligent Solutions Holdings Inc.$3.5M2.25%0.12%-36.3%Q4 2024
BLDRBuilders FirstSource, Inc.$3.24M2.09%0.03%+10.0%Q4 2024
KNSLKinsale Capital Group, Inc.$2.95M1.90%0.04%-21.4%Q4 2025
CBRECbre Group, Inc.$1.52M0.98%0.00%-0.2%Q1 2026
SBACSba Communications Corp$840K0.54%0.00%Not reportedQ4 2024
JPMJPMorgan Chase & Co$793K0.51%0.00%Not reportedQ4 2024
CVXChevron Corp$447K0.29%0.00%Not reportedQ4 2024
KLACKla Corp$341K0.22%0.00%NewQ2 2026
GEGeneral Electric Co$327K0.21%0.00%Not reportedQ2 2025
LRCXLam Research Corp$316K0.20%0.00%NewQ2 2026
MPLXMPLX LP$303K0.20%0.00%Not reportedQ4 2024
AEPAmerican Electric Power Co Inc$289K0.19%0.00%Not reportedQ1 2025
AVGOBroadcom Inc.$264K0.17%0.00%Not reportedQ3 2025
GEVGE Vernova Inc.$256K0.17%0.00%NewQ2 2026
PGPROCTER & GAMBLE Co$252K0.16%0.00%Not reportedQ4 2024
ISOUIsoEnergy Ltd.$99.7K0.06%0.02%Not reportedQ3 2025
NABLN-able, Inc.$53.9K0.03%0.01%NewQ2 2026
Q1 2026Reported May 15, 202625 positions
MKLMarkel Group Inc.$18M12.07%0.07%+4.4%Q4 2024
AMTAmerican Tower Corp$14.3M9.62%0.02%-6.1%Q4 2024
ORLYO Reilly Automotive Inc$13.5M9.04%0.02%-9.9%Q4 2024
AMZNAmazon Com Inc$12.8M8.57%0.00%-16.7%Q4 2024
MSFTMicrosoft Corp$11.4M7.67%0.00%-8.5%Q4 2024
BRK.BBerkshire Hathaway Inc$11M7.36%Not reported-6.2%Q4 2024
LMTLockheed Martin Corp$9.63M6.47%0.01%-7.7%Q4 2024
CPRTCopart Inc$9.16M6.15%0.03%+5.7%Q4 2024
AAPLApple Inc.$8.58M5.76%0.00%-6.6%Q4 2024
MAMastercard Inc$8.27M5.55%0.00%-9.0%Q4 2024
VVisa Inc.$7.44M5.00%0.00%+22.9%Q4 2024
CCCCCC Intelligent Solutions Holdings Inc.$6.38M4.29%0.18%+47.4%Q4 2024
GOOGLAlphabet Inc.$5.91M3.97%0.00%-5.1%Q4 2024
KNSLKinsale Capital Group, Inc.$3.89M2.61%0.05%+357.3%Q4 2025
BLDRBuilders FirstSource, Inc.$2.71M1.82%0.03%-7.9%Q4 2024
CBRECbre Group, Inc.$1.53M1.03%0.00%NewQ1 2026
SBACSba Communications Corp$820K0.55%0.00%-5.6%Q4 2024
JPMJPMorgan Chase & Co$713K0.48%0.00%Not reportedQ4 2024
CVXChevron Corp$558K0.37%0.00%Not reportedQ4 2024
MPLXMPLX LP$307K0.21%0.00%Not reportedQ4 2024
AEPAmerican Electric Power Co Inc$277K0.19%0.00%Not reportedQ1 2025
PGPROCTER & GAMBLE Co$249K0.17%0.00%Not reportedQ4 2024
GEGeneral Electric Co$248K0.17%0.00%Not reportedQ2 2025
AVGOBroadcom Inc.$217K0.15%0.00%Not reportedQ3 2025
ISOUIsoEnergy Ltd.$105K0.07%0.02%Not reportedQ3 2025
Q4 2025Reported Feb 12, 202629 positions
MKLMarkel Group Inc.$19.3M11.68%0.07%Not reportedQ4 2024
AMZNAmazon Com Inc$17M10.24%0.00%-5.1%Q4 2024
MSFTMicrosoft Corp$16.3M9.84%0.00%-1.0%Q4 2024
AMTAmerican Tower Corp$15.5M9.37%0.02%-2.0%Q4 2024
ORLYO Reilly Automotive Inc$14.8M8.91%0.02%Not reportedQ4 2024
BRK.BBerkshire Hathaway Inc$12.3M7.40%Not reportedNot reportedQ4 2024
MAMastercard Inc$10.4M6.27%0.00%Not reportedQ4 2024
CPRTCopart Inc$10.2M6.17%0.03%+2.0%Q4 2024
AAPLApple Inc.$9.83M5.94%0.00%-1.5%Q4 2024
LMTLockheed Martin Corp$8.34M5.04%0.01%Not reportedQ4 2024
VVisa Inc.$7.03M4.24%0.00%+35.9%Q4 2024
GOOGLAlphabet Inc.$6.78M4.09%0.00%Not reportedQ4 2024
CCCCCC Intelligent Solutions Holdings Inc.$5.74M3.46%0.12%+78.5%Q4 2024
BLDRBuilders FirstSource, Inc.$3.68M2.22%0.03%+0.7%Q4 2024
OLEDUniversal Display Corp \pa\$1.37M0.83%0.02%Not reportedQ4 2024
SBACSba Communications Corp$976K0.59%0.00%Not reportedQ4 2024
KNSLKinsale Capital Group, Inc.$974K0.59%0.01%NewQ4 2025
JPMJPMorgan Chase & Co$781K0.47%0.00%Not reportedQ4 2024
KMXCarmax Inc$727K0.44%0.01%NewQ4 2025
CVXChevron Corp$411K0.25%0.00%Not reportedQ4 2024
MRPMillrose Properties, Inc.$384K0.23%Not reportedNot reportedQ2 2025
MPLXMPLX LP$287K0.17%0.00%Not reportedQ4 2024
DBRGDigitalBridge Group, Inc.$286K0.17%0.01%-95.1%Q4 2024
GEGeneral Electric Co$270K0.16%0.00%Not reportedQ2 2025
PGPROCTER & GAMBLE Co$247K0.15%0.00%Not reportedQ4 2024
AEPAmerican Electric Power Co Inc$244K0.15%0.00%Not reportedQ1 2025
AVGOBroadcom Inc.$242K0.15%0.00%Not reportedQ3 2025
AESAes Corp$143K0.09%0.00%Not reportedQ4 2024
ISOUIsoEnergy Ltd.$91K0.05%0.02%Not reportedQ3 2025
Q3 2025Reported Nov 12, 202529 positions
MSFTMicrosoft Corp$17.6M10.41%0.00%-3.6%Q4 2024
ORLYO Reilly Automotive Inc$17.5M10.30%0.02%-6.7%Q4 2024
AMTAmerican Tower Corp$17.3M10.24%0.02%-1.7%Q4 2024
MKLMarkel Group Inc.$17.2M10.15%0.07%-5.8%Q4 2024
AMZNAmazon Com Inc$17M10.04%0.00%-5.0%Q4 2024
BRK.BBerkshire Hathaway Inc$12.3M7.23%Not reported-5.8%Q4 2024
CPRTCopart Inc$11.5M6.80%0.03%+3.3%Q4 2024
MAMastercard Inc$10.3M6.10%0.00%-4.4%Q4 2024
AAPLApple Inc.$9.35M5.52%0.00%-4.5%Q4 2024
LMTLockheed Martin Corp$8.61M5.08%0.01%-5.3%Q4 2024
GOOGLAlphabet Inc.$5.27M3.11%0.00%-12.3%Q4 2024
VVisa Inc.$5.03M2.97%0.00%-6.1%Q4 2024
DBRGDigitalBridge Group, Inc.$4.47M2.64%0.21%-11.3%Q4 2024
BLDRBuilders FirstSource, Inc.$4.31M2.54%0.03%-3.2%Q4 2024
CCCCCC Intelligent Solutions Holdings Inc.$3.68M2.17%0.06%-40.7%Q4 2024
AMRZAmrize Ltd$1.9M1.12%0.01%-2.6%Q2 2025
OLEDUniversal Display Corp \pa\$1.69M1.00%0.02%-5.8%Q4 2024
SBACSba Communications Corp$976K0.58%0.00%-17.7%Q4 2024
JPMJPMorgan Chase & Co$765K0.45%0.00%Not reportedQ4 2024
MRPMillrose Properties, Inc.$432K0.25%Not reportedNot reportedQ2 2025
CVXChevron Corp$419K0.25%0.00%Not reportedQ4 2024
LULUlululemon athletica inc.$269K0.16%0.00%-28.4%Q4 2024
MPLXMPLX LP$269K0.16%0.00%Not reportedQ4 2024
PGPROCTER & GAMBLE Co$264K0.16%0.00%Not reportedQ4 2024
GEGeneral Electric Co$263K0.16%0.00%Not reportedQ2 2025
AEPAmerican Electric Power Co Inc$238K0.14%0.00%Not reportedQ1 2025
AVGOBroadcom Inc.$231K0.14%0.00%NewQ3 2025
AESAes Corp$132K0.08%0.00%Not reportedQ4 2024
ISOUIsoEnergy Ltd.$100K0.06%Not reportedNewQ3 2025
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