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
- +7.41%
- 1-year
- +18.19%
- 3-year
- +55.96%
- 5-year
- +39.17%
- 3-year vs S&P 500
- -17.27%
- 5-year vs S&P 500
- -34.51%
- 5-year top 5
- +41.90%
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 2026-06-06 from SEC 13F data.
Live quotes available for 52 of 73 rows. Rows without a quote are marked unavailable.
| 1 | BRK/A | BERKSHIRE HATHAWAY INC DELCUSIP 084670108 | 8.98% | Reduce -3.9% | 3,681 | $1.1B | No quote | No quote |
| 2 | AMZN | AMAZON COM INC | 7.51% | Add +94.0% | 783,747 | $916.57M | $1169.47 | No quote |
| 3 | GOOGL | ALPHABET INC | 7.26% | Add +29.2% | 841,250 | $886.17M | $1053.40 | No quote |
| 4 | GOOG | ALPHABET INC | 7.06% | Reduce -0.7% | 822,793 | $860.97M | $1046.40 | No quote |
| 5 | MA | MASTERCARD INCORPORATED | 4.96% | Reduce -1.3% | 3,996,977 | $604.98M | $151.36 | No quote |
| 6 | XRAY | DENTSPLY SIRONA INC | 4.78% | Reduce -0.5% | 8,850,874 | $582.65M | $65.83 | No quote |
| 7 | TJX | TJX COS INC NEW | 4.75% | Reduce -0.9% | 7,579,475 | $579.53M | $76.46 | No quote |
| 8 | FWONK | LIBERTY MEDIA CORP DELAWARE | 4.12% | Reduce -0.1% | 14,709,072 | $502.46M | $34.16 | No quote |
| 9 | FCAU | FIAT CHRYSLER AUTOMOBILES N | 3.66% | Reduce -0.0% | 25,059,365 | $447.06M | No quote | No quote |
| 10 | SCHW | SCHWAB CHARLES CORP NEW | 3.50% | Reduce -0.5% | 8,309,056 | $426.84M | $51.37 | No quote |
| 11 | KMX | CARMAX INC | 3.49% | Reduce -31.1% | 6,631,532 | $425.28M | $64.13 | No quote |
| 12 | BRK/B | BERKSHIRE HATHAWAY INC DELCUSIP 084670702 | 3.30% | Reduce -2.7% | 2,031,475 | $402.68M | No quote | No quote |
| 13 | WFC | WELLS FARGO CO NEW | 3.30% | Reduce -0.6% | 6,632,404 | $402.39M | $60.67 | No quote |
| 14 | MHK | MOHAWK INDS INC | 3.10% | Reduce -0.6% | 1,368,810 | $377.66M | $275.90 | No quote |
| 15 | JEC | JACOBS ENGR GROUP INC DEL | 3.07% | Reduce -0.4% | 5,672,134 | $374.13M | No quote | No quote |
| 16 | CACC | CREDIT ACCEP CORP MICH | 2.84% | Reduce -0.3% | 1,070,338 | $346.23M | $323.48 | No quote |
| 17 | V | VISA INC | 2.70% | Reduce -0.2% | 2,889,168 | $329.42M | $114.02 | No quote |
| 18 | PCLN | PRICELINE GRP INC | 2.48% | Reduce -0.4% | 173,894 | $302.18M | No quote | No quote |
| 19 | ORLY | O REILLY AUTOMOTIVE INC NEW | 2.39% | Reduce -8.7% | 1,214,248 | $292.08M | $240.54 | No quote |
| 20 | OMC | OMNICOM GROUP INC | 2.28% | Reduce -0.6% | 3,821,664 | $278.33M | $72.83 | No quote |
| 21 | JD | JD COM INC | 2.25% | Add +65.6% | 6,624,213 | $274.38M | $41.42 | No quote |
| 22 | WAT | WATERS CORP | 1.80% | Reduce -0.6% | 1,135,909 | $219.45M | $193.19 | No quote |
| 23 | COF | CAPITAL ONE FINL CORP | 1.31% | - | 1,601,000 | $159.43M | $99.58 | No quote |
| 24 | GS | GOLDMAN SACHS GROUP INC | 1.11% | Reduce -6.9% | 530,183 | $135.07M | $254.76 | No quote |
| 25 | PRI | PRIMERICA INC | 0.84% | Reduce -49.8% | 1,007,642 | $102.33M | $101.55 | No quote |
| 26 | BMCH | BMC STK HLDGS INC | 0.81% | Add +50.5% | 3,913,196 | $99M | No quote | No quote |
| 27 | IAC | IAC INTERACTIVECORP | 0.80% | Reduce -33.5% | 801,930 | $98.06M | $122.28 | No quote |
| 28 | W | WAYFAIR INC | 0.76% | Add +826.5% | 1,161,823 | $93.26M | $80.27 | No quote |
| 29 | BLDR | BUILDERS FIRSTSOURCE INC | 0.73% | Reduce -24.1% | 4,107,377 | $89.5M | $21.79 | No quote |
| 30 | WUBA | 58 COM INC | 0.66% | Reduce -30.9% | 1,121,037 | $80.23M | No quote | No quote |
| 31 | IBKR | INTERACTIVE BROKERS GROUP IN | 0.49% | Reduce -41.4% | 1,003,467 | $59.42M | $59.21 | No quote |
| 32 | META | FACEBOOK INC | 0.44% | - | 304,624 | $53.75M | $176.46 | No quote |
| 33 | SBGI | SINCLAIR BROADCAST GROUP INC | 0.42% | New | 1,365,000 | $51.67M | $37.85 | No quote |
| 34 | CMG | CHIPOTLE MEXICAN GRILL INC | 0.34% | Reduce -5.4% | 144,656 | $41.81M | $289.03 | No quote |
| 35 | JPMWS | JPMORGAN CHASE & CO | 0.33% | - | 600,000 | $39.86M | No quote | No quote |
| 36 | SPSC | SPS COMM INC | 0.32% | Add +4.0% | 795,536 | $38.66M | No quote | No quote |
| 37 | CARS | CARS COM INC | 0.14% | Reduce -0.1% | 610,078 | $17.6M | No quote | No quote |
| 38 | IRS | IRSA INVERSIONES Y REP S A | 0.14% | - | 571,000 | $16.9M | $29.60 | No quote |
| 39 | MTH | MERITAGE HOMES CORP | 0.13% | - | 315,000 | $16.13M | $51.20 | No quote |
| 40 | CRESY | CRESUD S A C I F Y A | 0.11% | - | 616,883 | $13.63M | No quote | No quote |
| 41 | ETSY | ETSY INC | 0.10% | - | 590,000 | $12.07M | $20.45 | No quote |
| 42 | NETS | NETSHOES CAYMAN LTD | 0.09% | New | 1,412,000 | $11.16M | No quote | No quote |
| 43 | DHI | D R HORTON INC | 0.06% | Reduce -69.2% | 140,000 | $7.15M | $51.07 | No quote |
| 44 | EXPD | EXPEDITORS INTL WASH INC | 0.06% | - | 109,341 | $7.07M | $64.69 | No quote |
| 45 | FWONA | LIBERTY MEDIA CORP DELAWARE | 0.03% | Reduce -2.0% | 120,742 | $3.95M | $32.72 | No quote |
| 46 | COST | COSTCO WHSL CORP NEW | 0.03% | Reduce -0.2% | 21,150 | $3.94M | $186.10 | No quote |
| 47 | UNP | UNION PAC CORP | 0.03% | Reduce -14.0% | 23,520 | $3.15M | $134.10 | No quote |
| 48 | PG | PROCTER AND GAMBLE CO | 0.02% | Reduce -4.7% | 30,646 | $2.82M | $91.89 | No quote |
| 49 | WST | WEST PHARMACEUTICAL SVSC INC | 0.02% | Reduce -37.9% | 25,713 | $2.54M | $98.67 | No quote |
| 50 | EME | EMCOR GROUP INC | 0.02% | Reduce -98.1% | 27,994 | $2.29M | $81.77 | No quote |
| 51 | EIX | EDISON INTL | 0.02% | Reduce -8.5% | 34,665 | $2.19M | No quote | No quote |
| 52 | KO | COCA COLA CO | 0.02% | - | 46,130 | $2.12M | $45.87 | No quote |
| 53 | AXP | AMERICAN EXPRESS CO | 0.01% | Add +1.9% | 13,751 | $1.37M | $99.34 | No quote |
| 54 | AEP | AMERICAN ELEC PWR INC | 0.01% | - | 14,390 | $1.06M | $73.59 | No quote |
| 55 | PGR | PROGRESSIVE CORP OHIO | 0.01% | - | 17,557 | $989K | $56.33 | No quote |
| 56 | HDB | HDFC BANK LTD | 0.01% | - | 9,074 | $923K | $101.72 | No quote |
| 57 | FMS | FRESENIUS MED CARE AG&CO KGA | 0.00% | New | 10,185 | $535K | $52.53 | No quote |
| 58 | RYAAY | RYANAIR HLDGS PLC | 0.00% | Reduce -0.4% | 5,037 | $525K | $104.23 | No quote |
| 59 | TRMB | TRIMBLE INC | 0.00% | Add +0.2% | 12,213 | $496K | $40.61 | No quote |
| 60 | LII | LENNOX INTL INC | 0.00% | - | 1,831 | $381K | $208.08 | No quote |
| 61 | IDXX | IDEXX LABS INC | 0.00% | Reduce -19.0% | 2,365 | $370K | $156.45 | No quote |
| 62 | BABA | ALIBABA GROUP HLDG LTD | 0.00% | Reduce -36.0% | 2,134 | $368K | $172.45 | No quote |
| 63 | FAST | FASTENAL CO | 0.00% | Add +27.0% | 6,503 | $356K | $54.74 | No quote |
| 64 | ATHN | ATHENAHEALTH INC | 0.00% | Reduce -98.8% | 2,441 | $325K | No quote | No quote |
| 65 | XOM | EXXON MOBIL CORP | 0.00% | Reduce -88.8% | 3,728 | $312K | $83.69 | No quote |
| 66 | WMT | WAL-MART STORES INC | 0.00% | New | 2,067 | $204K | $98.69 | No quote |
| 73 | TRUP | TRUPANION INC | - | Sold | 0 | $0 | No quote | No quote |
| 72 | TOL | TOLL BROTHERS INC | - | Sold | 0 | $0 | No quote | No quote |
| 71 | TPRE | THIRD PT REINS LTD | - | Sold | 0 | $0 | No quote | No quote |
| 70 | SIG | SIGNET JEWELERS LIMITED | - | Sold | 0 | $0 | No quote | No quote |
| 69 | GHC | GRAHAM HLDGS CO | - | Sold | 0 | $0 | No quote | No quote |
| 68 | CABO | CABLE ONE INC | - | Sold | 0 | $0 | No quote | No quote |
| 67 | BIDU | BAIDU INC | - | Sold | 0 | $0 | No quote | No quote |