Rockbridge Asset Management LLC
CIK 2056320 · View on SEC EDGAR ↗
- Portfolio value
- $155.1M
- Positions
- 31
- As of
- June 30, 2026
Portfolio value QoQ: +4.2% 13F does not disclose cash
- Top 10 holdings weight
- 78.20%
- Top 25 holdings weight
- 99.22%
- Positions above 1%
- 16
- Effective number of positions
- 14.0
Based on 13F long-equity holdings only (cash, bonds, shorts not disclosed)
Turnover Q2 2026: 3.4% Est. buys $9,010,817 · sells $5,166,029
Median holding: 6.0 quarters Tracked Q4 2024–Q2 2026 · 79.5% still held
- New positions
- 4
- Increased
- 6
- Decreased
- 12
- Closed
- 5
Put-notional exposure: 1.7% puts 13F reports option positions at underlying notional value — may include hedges, not necessarily bearish bets
On this page
- Performance vs S&P How this manager's 13F portfolio performed against the S&P 500.
- Sector breakdown How the portfolio splits across market sectors.
- Portfolio Every stock this institution reports holding, from its latest 13F.
- High-conviction bets The holdings this manager is most concentrated in.
- Biggest new bets Brand-new positions opened in the latest quarter.
- Top moves The biggest position increases and decreases this quarter.
- Exited positions Positions the manager fully sold out of last quarter.
Performance vs S&P 500
Annualized: -1.5% · S&P 500: +18.0%
Approximates a buy-and-hold portfolio built from quarterly SEC 13F snapshots. Excludes cash, short positions, options/derivatives, and non-13(f) securities — reflects the disclosed long-equity book only, not total fund AUM. SEC filing lag is up to 45 days; this is not a real-time-copyable timing.
Priceable coverage: 92.3% · Options excluded: 0.1%
Sector breakdown
Full portfolio 31 positions
| Type | Streak | 8Q trend | |||||
|---|---|---|---|---|---|---|---|
| MKL Markel Group Inc. Common Stock | $18,725,460 | 12.07% | 9,588 | $754,257 | Up ×2 | ||
| AMZN Amazon.com, Inc. - Common Stock | $14,617,392 | 9.42% | 61,330 | $1,858,772 | Up ×1 | ||
| ORLY O'Reilly Automotive, Inc. - Common Stock | $13,223,664 | 8.52% | 143,595 | $-242,888 | Down ×2 | ||
| CPRT Copart, Inc. - Common Stock | $13,043,823 | 8.41% | 462,711 | $3,880,889 | Up ×6 | ||
| AMT American Tower Corporation (REIT) Common Stock | $12,899,621 | 8.31% | 78,863 | $-1,426,245 | Down ×5 | ||
| MSFT Microsoft Corporation - Common Stock | $11,490,881 | 7.41% | 30,805 | $71,507 | Down ×6 | ||
| BRKB | $11,373,865 | 7.33% | 22,730 | $419,353 | Down ×2 | ||
| AAPL Apple Inc. - Common Stock | $9,716,130 | 6.26% | 33,578 | $1,141,073 | Down ×6 | ||
| MA Mastercard Incorporated Common Stock | $8,213,491 | 5.29% | 15,992 | $-54,883 | Down ×2 | ||
| LMT Lockheed Martin Corporation Common Stock | $8,018,391 | 5.17% | 15,739 | $-1,611,355 | Down ×2 | ||
| V Visa Inc. | $7,505,437 | 4.84% | 21,876 | $64,288 | Down ×1 | ||
| GOOGL Alphabet Inc. - Class A Common Stock | $7,341,809 | 4.73% | 20,544 | $1,427,275 | Down ×2 | ||
| CCC CCC Intelligent Solutions Holdings Inc. - Common Stock | $3,495,905 | 2.25% | 677,501 | $-2,886,025 | Down ×1 | ||
| BLDR Builders FirstSource, Inc. Common Stock | $3,238,460 | 2.09% | 36,192 | $529,062 | Up ×1 | ||
| KNSL Kinsale Capital Group, Inc. Common Stock | $2,951,470 | 1.90% | 8,949 | $-939,012 | Down ×1 | ||
| SPY SPY | $2,613,695 | 1.68% | 3,500 | Put option | $1,963,355 | Up ×1 | |
| CBRE CBRE Group Inc Common Stock Class A | $1,521,324 | 0.98% | 11,295 | $-12,354 | Down ×1 | ||
| SBAC SBA Communications Corporation - Class A Common Stock | $840,479 | 0.54% | 4,763 | $20,719 | |||
| JPM JP Morgan Chase & Co. Common Stock | $793,448 | 0.51% | 2,424 | $80,404 | |||
| AKRE | $569,612 | 0.37% | 10,709 | $216,204 | Up ×2 | ||
| CVX Chevron Corporation Common Stock | $446,723 | 0.29% | 2,695 | $-110,872 | |||
| KLAC KLA Corporation - Common Stock | $340,932 | 0.22% | 1,130 | Up ×1 | |||
| GE GE Aerospace Common Stock | $327,014 | 0.21% | 875 | $78,715 | |||
| LRCX Lam Research Corporation - Common Stock | $316,331 | 0.20% | 730 | Up ×1 | |||
| MPLX MPLX LP Common Units Representing Limited Partner Interests | $303,112 | 0.20% | 5,381 | $-3,982 | |||
| AEP American Electric Power Company, Inc. - Common Stock | $289,490 | 0.19% | 2,116 | $12,125 | |||
| AVGO Broadcom Inc. - Common Stock | $264,425 | 0.17% | 700 | $47,768 | |||
| GEV GE Vernova Inc. Common Stock | $256,119 | 0.17% | 218 | Up ×1 | |||
| PG Procter & Gamble Company (The) Common Stock | $252,367 | 0.16% | 1,721 | $3,786 | |||
| ISOU | $99,700 | 0.06% | 10,000 | $-5,700 | |||
| NABL N-able, Inc. Common Stock | $53,876 | 0.03% | 14,680 | Up ×1 | |||
| No matches | |||||||
Conviction holdings
Positions increased for 3+ consecutive quarters.
Share counts are as reported in 13F filings (not split-adjusted)
| Security | Value | % of portfolio | Streak |
|---|---|---|---|
| CPRT | $13,043,823 | 8.41% | up ×6 |
Biggest new bets
New positions opened this quarter, largest first.
Top movers (QoQ)
Exited positions
Includes corporate events (mergers, delistings) — not all exits are sells
Closed positions reflect 13F reporting changes; for index managers these are often mechanical (delisting, M&A, index rebalancing), not active decisions.
| Security | Quarter | Shares before | Value before | Price since exit |
|---|---|---|---|---|
| AMRZ | Dec. 31, 2025 | 39,239 | $1,904,269 | -16.2% |
| OLED | March 31, 2026 | 11,748 | $1,371,931 | -6.0% |
| KMX | March 31, 2026 | 18,806 | $726,664 | 44.6% |
| MRP | March 31, 2026 | 12,851 | $383,859 | 8.9% |
| DBRG | March 31, 2026 | 18,623 | $285,677 | 3.2% |
| LULU | Dec. 31, 2025 | 1,512 | $269,030 | -43.4% |
| AES | March 31, 2026 | 10,000 | $143,400 | 4.5% |
| WSCE | March 31, 2025 | 10,000 | $10 | No longer tracked |