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 45 of 72 rows. Rows without a quote are marked unavailable.
| 1 | BRK/A | BERKSHIRE HATHAWAY INC DELCUSIP 084670108 | 9.12% | Reduce -8.4% | 3,372 | $994.88M | No quote | No quote |
| 2 | AMZN | AMAZON COM INC | 8.88% | Reduce -13.7% | 676,409 | $968.23M | $1431.42 | No quote |
| 3 | GOOGL | ALPHABET INC | 8.26% | Add +6.6% | 896,486 | $901.13M | $1005.18 | No quote |
| 4 | GOOG | ALPHABET INC | 8.18% | Add +8.0% | 888,505 | $892.56M | $1004.56 | No quote |
| 5 | KMX | CARMAX INC | 6.64% | Add +80.2% | 11,952,575 | $724.8M | $60.64 | No quote |
| 6 | MA | MASTERCARD INCORPORATED | 4.54% | Reduce -27.2% | 2,909,428 | $495.62M | $170.35 | No quote |
| 7 | FCAU | FIAT CHRYSLER AUTOMOBILES N | 4.49% | Reduce -2.0% | 24,558,965 | $489.71M | No quote | No quote |
| 8 | TJX | TJX COS INC NEW | 4.36% | Reduce -22.2% | 5,896,532 | $475.79M | $80.69 | No quote |
| 9 | FWONK | LIBERTY MEDIA CORP DELAWARE | 4.22% | Add +1.4% | 14,914,326 | $460.41M | $30.87 | No quote |
| 10 | SCHW | SCHWAB CHARLES CORP NEW | 3.88% | Add +0.1% | 8,314,292 | $423.2M | $50.90 | No quote |
| 11 | BKNG | BOOKING HLDGS INC | 3.29% | New | 174,833 | $359.23M | $2054.69 | No quote |
| 12 | CACC | CREDIT ACCEP CORP MICH | 3.23% | Add +1.4% | 1,085,532 | $352.38M | $324.61 | No quote |
| 13 | META | FACEBOOK INC | 3.06% | Add +616.4% | 2,182,298 | $333.96M | $153.03 | No quote |
| 14 | MHK | MOHAWK INDS INC | 2.90% | Add +1.1% | 1,384,260 | $316.84M | $228.89 | No quote |
| 15 | JEC | JACOBS ENGR GROUP INC DEL | 2.83% | Reduce -4.2% | 5,432,406 | $308.94M | No quote | No quote |
| 16 | JD | JD COM INC | 2.44% | Add +0.6% | 6,664,408 | $266.64M | $40.01 | No quote |
| 17 | BRK/B | BERKSHIRE HATHAWAY INC DELCUSIP 084670702 | 2.36% | Reduce -35.7% | 1,306,639 | $256.98M | No quote | No quote |
| 18 | V | VISA INC | 2.20% | Reduce -28.9% | 2,054,885 | $240.4M | $116.99 | No quote |
| 19 | LBRDK | LIBERTY BROADBAND CORP | 2.11% | New | 2,747,777 | $230.57M | $83.91 | No quote |
| 20 | WFC | WELLS FARGO CO NEW | 2.00% | Reduce -36.0% | 4,243,959 | $218.48M | $51.48 | No quote |
| 21 | AABA | ALTABA INC | 2.00% | New | 3,000,000 | $217.92M | No quote | No quote |
| 22 | COF | CAPITAL ONE FINL CORP | 1.38% | - | 1,601,000 | $150.93M | $94.27 | No quote |
| 23 | OMC | OMNICOM GROUP INC | 1.31% | Reduce -48.4% | 1,972,830 | $143.31M | $72.64 | No quote |
| 24 | LBRDA | LIBERTY BROADBAND CORP | 0.87% | New | 1,138,018 | $94.41M | $82.96 | No quote |
| 25 | PRI | PRIMERICA INC | 0.83% | Reduce -7.5% | 932,205 | $90.33M | $96.90 | No quote |
| 26 | BLDR | BUILDERS FIRSTSOURCE INC | 0.72% | Reduce -2.4% | 4,007,377 | $78.59M | $19.61 | No quote |
| 27 | BMCH | BMC STK HLDGS INC | 0.72% | Add +2.2% | 4,000,000 | $78M | No quote | No quote |
| 28 | WUBA | 58 COM INC | 0.69% | Reduce -14.0% | 963,627 | $74.78M | No quote | No quote |
| 29 | W | WAYFAIR INC | 0.50% | Reduce -28.5% | 830,718 | $54.11M | $65.14 | No quote |
| 30 | SBGI | SINCLAIR BROADCAST GROUP INC | 0.39% | - | 1,365,000 | $42.73M | $31.30 | No quote |
| 31 | JPMWS | JPMORGAN CHASE & CO | 0.37% | - | 600,000 | $40.58M | No quote | No quote |
| 32 | SPSC | SPS COMM INC | 0.17% | Reduce -62.9% | 295,000 | $18.32M | No quote | No quote |
| 33 | MTH | MERITAGE HOMES CORP | 0.15% | Add +17.1% | 368,900 | $16.43M | $44.55 | No quote |
| 34 | IRS | IRSA INVERSIONES Y REP S A | 0.13% | Add +5.3% | 601,400 | $13.93M | $23.16 | No quote |
| 35 | CRESY | CRESUD S A C I F Y A | 0.11% | - | 616,883 | $12.52M | No quote | No quote |
| 36 | FWONA | LIBERTY MEDIA CORP DELAWARE | 0.10% | Add +195.9% | 357,227 | $10.44M | $29.23 | No quote |
| 37 | NETS | NETSHOES CAYMAN LTD | 0.10% | Add +18.8% | 1,677,447 | $10.42M | No quote | No quote |
| 38 | SECO | SECOO HLDG LTD | 0.09% | New | 1,000,000 | $10.32M | No quote | No quote |
| 39 | EXPD | EXPEDITORS INTL WASH INC | 0.06% | Reduce -0.1% | 109,267 | $6.73M | $61.62 | No quote |
| 40 | IRCP | IRSA PROPIEDADES COMERCIALES | 0.04% | New | 100,000 | $4.45M | No quote | No quote |
| 41 | COST | COSTCO WHSL CORP NEW | 0.04% | Reduce -1.6% | 20,805 | $3.82M | $183.61 | No quote |
| 42 | ORLY | O REILLY AUTOMOTIVE INC NEW | 0.03% | Reduce -98.8% | 14,002 | $3.4M | $242.75 | No quote |
| 43 | WST | WEST PHARMACEUTICAL SVSC INC | 0.02% | Reduce -4.6% | 24,534 | $2.12M | $86.49 | No quote |
| 44 | WAT | WATERS CORP | 0.02% | Reduce -99.1% | 10,455 | $2.08M | $198.57 | No quote |
| 45 | XRAY | DENTSPLY SIRONA INC | 0.02% | Reduce -99.6% | 38,852 | $1.94M | $49.96 | No quote |
| 46 | EIX | EDISON INTL | 0.02% | Reduce -13.0% | 30,165 | $1.9M | No quote | No quote |
| 47 | UNP | UNION PAC CORP | 0.02% | Reduce -41.7% | 13,720 | $1.79M | $130.76 | No quote |
| 48 | GS | GOLDMAN SACHS GROUP INC | 0.02% | Reduce -98.7% | 7,056 | $1.76M | $249.43 | No quote |
| 49 | KO | COCA COLA CO | 0.01% | Reduce -18.4% | 37,630 | $1.63M | $43.32 | No quote |
| 50 | PG | PROCTER AND GAMBLE CO | 0.01% | Reduce -42.0% | 17,760 | $1.4M | $78.83 | No quote |
| 51 | AXP | AMERICAN EXPRESS CO | 0.01% | Reduce -1.8% | 13,500 | $1.25M | $92.22 | No quote |
| 52 | EME | EMCOR GROUP INC | 0.01% | Reduce -45.1% | 15,378 | $1.17M | $75.95 | No quote |
| 53 | PGR | PROGRESSIVE CORP OHIO | 0.01% | - | 17,557 | $1.06M | $60.43 | No quote |
| 54 | AEP | AMERICAN ELEC PWR INC | 0.01% | - | 14,390 | $988K | $68.66 | No quote |
| 55 | HDB | HDFC BANK LTD | 0.01% | Reduce -6.7% | 8,464 | $820K | $96.88 | No quote |
| 56 | TRMB | TRIMBLE INC | 0.00% | Reduce -0.2% | 12,186 | $424K | $34.79 | No quote |
| 57 | IDXX | IDEXX LABS INC | 0.00% | Reduce -43.2% | 1,343 | $254K | $189.13 | No quote |
| 58 | BABA | ALIBABA GROUP HLDG LTD | 0.00% | Reduce -43.6% | 1,203 | $215K | $178.72 | No quote |
| 59 | FAST | FASTENAL CO | 0.00% | Reduce -41.6% | 3,795 | $202K | $53.23 | No quote |
| 72 | WMT | WAL-MART STORES INC | - | Sold | 0 | $0 | No quote | No quote |
| 71 | RYAAY | RYANAIR HLDGS PLC | - | Sold | 0 | $0 | No quote | No quote |
| 70 | PCLN | PRICELINE GRP INC | - | Sold | 0 | $0 | No quote | No quote |
| 69 | LII | LENNOX INTL INC | - | Sold | 0 | $0 | No quote | No quote |
| 68 | IBKR | INTERACTIVE BROKERS GROUP IN | - | Sold | 0 | $0 | No quote | No quote |
| 67 | IAC | IAC INTERACTIVECORP | - | Sold | 0 | $0 | No quote | No quote |
| 66 | FMS | FRESENIUS MED CARE AG&CO KGA | - | Sold | 0 | $0 | No quote | No quote |
| 65 | XOM | EXXON MOBIL CORP | - | Sold | 0 | $0 | No quote | No quote |
| 64 | ETSY | ETSY INC | - | Sold | 0 | $0 | No quote | No quote |
| 63 | DHI | D R HORTON INC | - | Sold | 0 | $0 | No quote | No quote |
| 62 | CMG | CHIPOTLE MEXICAN GRILL INC | - | Sold | 0 | $0 | No quote | No quote |
| 61 | CARS | CARS COM INC | - | Sold | 0 | $0 | No quote | No quote |
| 60 | ATHN | ATHENAHEALTH INC | - | Sold | 0 | $0 | No quote | No quote |