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Rockbridge Capital Management LLC

CIK:0002056320
Investment Adviser
$189M AUM
27 holdings
Alexandria, VA, United States
Founded:2011
3 employees
Latest filing:Jun 30, 2025

Rockbridge Capital Management LLC is a Virginia-based investment management firm headquartered in Alexandria. The firm is primarily focused on managing concentrated portfolios of publicly-traded equities for high net worth individuals. As of March 31, 2025, Rockbridge Capital Management had 3 employees and $189.4 million in assets under management. The firm serves primarily United States clients and was founded with the intent to provide returns above those achievable through passive index funds.

Investment Strategy

Rockbridge Capital Management constructs concentrated portfolios of publicly traded equities, driven by three main criteria: a sustainably high return on invested capital, excellent, shareholder-friendly management, and acquiring investments at a bargain valuation. The firm’s strategy centers on delivering returns that exceed those available through low-cost, unmanaged index funds, focusing on rigorous security selection and portfolio concentration.

Top Buys
M
MSFTMicrosoft Corp
+$3.8M
A
AMZNAmazon.Com Inc
+$2.9M
C
CCCSCCC Intelligent Solutions Hld
+$2.2M
A
AMRZAmrize Ltd
+$2.0M
G
GOOGLAlphabet Inc Cap Stock Cl A
+$1.8M
Top Sells
C
CPRTCopart Inc
-$1.4M
B
BRK-BBerkshire Hathaway Inc Cl B Ne
-$1.3M
O
ORLYO'Reilly Automotive Inc
-$989.7K
A
AAPLApple Inc
-$682.0K
L
LULULululemon Athletica Inc
-$96.1K

Top Holdings

A
AMTAmerican Tower Corp
+11.5%$20.3M
M
MKLMarkel Group Inc
+10.9%$19.1M
A
AMZNAmazon.Com Inc
+10.2%$17.9M
M
MSFTMicrosoft Corp
+10.0%$17.6M
O
ORLYO'Reilly Automotive Inc
+8.9%$15.6M

Equity Positions (27)

TickerSecurityWeightMarket ValueSharesAvg CostPriceChange (QoQ)
A
AMT
American Tower Corp11.54%$20.3M91,726$183.57$221.02+$215.1K
M
MKL
Markel Group Inc10.86%$19.1M9,554$1726.23$1997.36+$1.1M
A
AMZN
Amazon.Com Inc10.18%$17.9M81,557$219.31$219.39+$2.9M
M
MSFT
Microsoft Corp10.00%$17.6M35,307$421.50$497.41+$3.8M
O
ORLY
O'Reilly Automotive Inc8.90%$15.6M173,460$163.48$90.13-$989.7K

Industry Allocation

FIRE, MARINE & CASUALTY INSURANCE
+18.0%
REAL ESTATE INVESTMENT TRUSTS
+14.9%
SERVICES-PREPACKAGED SOFTWARE
+13.6%
RETAIL-CATALOG & MAIL-ORDER HOUSES
+10.2%
SERVICES-BUSINESS SERVICES, NEC
+9.3%