Ruane Cunniff LP
As of Q2 2026, Ruane Cunniff LP reported 54 long-equity positions worth $6.43B in aggregate.
Copy-investor backtest
- Latest quarter
- +7.42%
- 1-year
- +18.15%
- 3-year
- +55.54%
- 5-year
- +39.56%
- 3-year vs S&P 500
- -17.71%
- 5-year vs S&P 500
- -34.13%
- 5-year top 5
- +41.15%
Return from mechanically copying the disclosed 13F equity portfolio after each filing and rebalancing at the next. The vs S&P 500 figures subtract SPY over that manager's own rebalance dates, so both sides cover the same days; both are price return, excluding dividends. Method & limitations.
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Updated 2026-09-19 from SEC 13F data.
Live quotes available for 32 of 54 rows. Rows without a quote are marked unavailable.
| 1 | KMX | CARMAX INC | 11.60% | Reduce -13.5% | 9,920,039 | $861.36M | $86.83 | No quote |
| 2 | GOOG | ALPHABET INC | 10.89% | Reduce -1.4% | 748,033 | $808.56M | $1080.91 | No quote |
| 3 | BRK-A | BERKSHIRE HATHAWAY INC DEL | 9.67% | Reduce -0.7% | 2,256 | $718.2M | $318350.18 | No quote |
| 4 | MA | MASTERCARD INC | 7.19% | Add +0.1% | 2,016,913 | $533.53M | $264.53 | No quote |
| 5 | CACC | CREDIT ACCEP CORP MICH | 7.08% | Reduce -0.6% | 1,086,543 | $525.7M | $483.83 | No quote |
| 6 | JEC | JACOBS ENGR GROUP INC | 6.68% | Reduce -8.8% | 5,875,311 | $495.82M | No quote | No quote |
| 7 | FWONK | LIBERTY MEDIA CORP DELAWARE | 6.18% | Reduce -0.7% | 12,271,419 | $459.07M | $37.41 | No quote |
| 8 | AMZN | AMAZON COM INC | 5.54% | Reduce -32.7% | 217,297 | $411.48M | $1893.63 | No quote |
| 9 | META | FACEBOOK INC | 5.49% | Reduce -1.3% | 2,112,481 | $407.71M | $193.00 | No quote |
| 10 | SCHW | THE CHARLES SCHWAB CORPORATI | 4.74% | Reduce -1.0% | 8,760,150 | $352.07M | $40.19 | No quote |
| 11 | BKNG | BOOKING HLDGS INC | 4.45% | Reduce -1.1% | 176,426 | $330.75M | $1874.71 | No quote |
| 12 | LBRDK | LIBERTY BROADBAND CORP | 4.41% | Reduce -1.4% | 3,139,251 | $327.17M | $104.22 | No quote |
| 13 | GOOGL | ALPHABET INC | 4.06% | Reduce -66.1% | 278,424 | $301.48M | $1082.80 | No quote |
| 14 | BRK-B | BERKSHIRE HATHAWAY INC DEL | 3.94% | Reduce -3.0% | 1,372,332 | $292.54M | $213.17 | No quote |
| 15 | V | VISA INC | 3.38% | Reduce -2.7% | 1,447,506 | $251.22M | $173.55 | No quote |
| 16 | MHK | MOHAWK INDS INC | 2.81% | Reduce -0.3% | 1,414,049 | $208.53M | $147.47 | No quote |
| 17 | LBRDA | LIBERTY BROADBAND CORP | 1.43% | Reduce -1.0% | 1,031,326 | $106.06M | $102.84 | No quote |
| 18 | FWONA | LIBERTY MEDIA CORP DELAWARE | 0.18% | Reduce -2.1% | 372,740 | $13.37M | $35.86 | No quote |
| 19 | EXPD | EXPEDITORS INTL WASH INC | 0.10% | - | 102,132 | $7.75M | $75.86 | No quote |
| 20 | EIX | EDISON INTL | 0.02% | Reduce -11.3% | 18,939 | $1.28M | No quote | No quote |
| 21 | BLDR | BUILDERS FIRSTSOURCE INC | 0.02% | Reduce -99.2% | 73,480 | $1.24M | $16.86 | No quote |
| 22 | PG | PROCTER AND GAMBLE CO | 0.02% | Reduce -17.5% | 10,971 | $1.2M | $109.65 | No quote |
| 23 | KO | COCA COLA CO | 0.02% | - | 22,888 | $1.17M | $50.90 | No quote |
| 24 | AEP | AMERICAN ELEC PWR CO INC | 0.02% | - | 13,090 | $1.15M | $88.01 | No quote |
| 25 | UNP | UNION PACIFIC CORP | 0.02% | Reduce -11.4% | 6,731 | $1.14M | $169.07 | No quote |
| 26 | AABA | ALTABA INC | 0.01% | Reduce -99.6% | 15,068 | $1.05M | No quote | No quote |
| 27 | ANET | ARISTA NETWORKS INC | 0.01% | New | 3,600 | $935K | $259.72 | No quote |
| 28 | TJX | TJX COS INC NEW | 0.01% | Reduce -45.6% | 17,364 | $918K | $52.87 | No quote |
| 29 | COST | COSTCO WHSL CORP NEW | 0.01% | Reduce -14.8% | 2,479 | $655K | $264.22 | No quote |
| 30 | FCAU | FIAT CHRYSLER AUTOMOBILES N | 0.01% | Reduce -99.9% | 38,165 | $527K | No quote | No quote |
| 31 | JD | JD COM INC | 0.01% | Reduce -99.8% | 13,319 | $403K | $30.26 | No quote |
| 32 | IDXX | IDEXX LABS INC | 0.00% | - | 1,146 | $316K | $275.74 | No quote |
| 33 | SAIL | SAILPOINT TECHNLGIES HLDGS I | 0.00% | Reduce -96.5% | 14,000 | $281K | $20.07 | No quote |
| 34 | XRAY | DENTSPLY SIRONA INC | 0.00% | New | 4,018 | $234K | $58.24 | No quote |
| 35 | WFC | WELLS FARGO CO NEW | 0.00% | Reduce -16.6% | 4,899 | $232K | $47.36 | No quote |
| 36 | WTRH | WAITR HLDGS INC | 0.00% | New | 14,882 | $94K | No quote | No quote |
| 37 | RMNI | RIMINI STR INC DEL | 0.00% | - | 10,779 | $57K | $5.29 | No quote |
| 54 | YNDX | YANDEX N V | - | Sold | 0 | $0 | No quote | No quote |
| 53 | W | WAYFAIR INC | - | Sold | 0 | $0 | No quote | No quote |
| 52 | SBGI | SINCLAIR BROADCAST GROUP INC | - | Sold | 0 | $0 | No quote | No quote |
| 51 | RH | RH | - | Sold | 0 | $0 | No quote | No quote |
| 50 | NETS | NETSHOES CAYMAN LTD | - | Sold | 0 | $0 | No quote | No quote |
| 49 | IQ | IQIYI INC | - | Sold | 0 | $0 | No quote | No quote |
| 48 | GTT | GTT COMMUNICATIONS INC | - | Sold | 0 | $0 | No quote | No quote |
| 47 | EA | ELECTRONIC ARTS INC | - | Sold | 0 | $0 | No quote | No quote |
| 46 | DOMO | DOMO INC | - | Sold | 0 | $0 | No quote | No quote |
| 45 | DHI | D R HORTON INC | - | Sold | 0 | $0 | No quote | No quote |
| 44 | CRESY | CRESUD S A C I F Y A | - | Sold | 0 | $0 | No quote | No quote |
| 43 | CARG | CARGURUS INC | - | Sold | 0 | $0 | No quote | No quote |
| 42 | BMCH | BMC STK HLDGS INC | - | Sold | 0 | $0 | No quote | No quote |
| 41 | BIDU | BAIDU INC | - | Sold | 0 | $0 | No quote | No quote |
| 40 | APPN | APPIAN CORP | - | Sold | 0 | $0 | No quote | No quote |
| 39 | AYX | ALTERYX INC | - | Sold | 0 | $0 | No quote | No quote |
| 38 | BABA | ALIBABA GROUP HLDG LTD | - | Sold | 0 | $0 | No quote | No quote |