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 55 of 90 rows. Rows without a quote are marked unavailable.
| 1 | BRK/A | BERKSHIRE HATHAWAY INC DELCUSIP 084670108 | 8.67% | Reduce -10.3% | 3,680 | $937.3M | No quote | No quote |
| 2 | TJX | TJX COS INC NEW | 6.13% | Reduce -2.1% | 9,188,711 | $663.15M | $72.17 | No quote |
| 3 | KMX | CARMAX INC | 5.92% | Add +4.6% | 10,149,416 | $640.02M | $63.06 | No quote |
| 4 | MA | MASTERCARD INCORPORATED | 5.37% | Reduce -1.2% | 4,779,519 | $580.47M | $121.45 | No quote |
| 5 | XRAY | DENTSPLY SIRONA INC | 5.31% | Add +1.5% | 8,849,888 | $573.83M | $64.84 | No quote |
| 6 | FWONK | LIBERTY MEDIA CORP DELAWARE | 5.01% | Add +23.6% | 14,777,202 | $541.14M | $36.62 | No quote |
| 7 | GOOGL | ALPHABET INC | 3.86% | Add +19.2% | 449,397 | $417.8M | $929.68 | No quote |
| 8 | GOOG | ALPHABET INC | 3.72% | Add +9.7% | 442,342 | $401.97M | $908.73 | No quote |
| 9 | AMZN | AMAZON COM INC | 3.60% | Reduce -8.9% | 402,054 | $389.19M | $968.00 | No quote |
| 10 | BRK/B | BERKSHIRE HATHAWAY INC DELCUSIP 084670702 | 3.46% | Reduce -20.5% | 2,207,099 | $373.82M | No quote | No quote |
| 11 | SCHW | SCHWAB CHARLES CORP NEW | 3.26% | Add +1.1% | 8,214,679 | $352.9M | $42.96 | No quote |
| 12 | ORLY | O REILLY AUTOMOTIVE INC NEW | 3.24% | Reduce -9.0% | 1,598,775 | $349.72M | $218.74 | No quote |
| 13 | WAT | WATERS CORP | 3.04% | Add +7.2% | 1,788,992 | $328.89M | $183.84 | No quote |
| 14 | PCLN | PRICELINE GRP INC | 3.03% | Add +40.2% | 175,279 | $327.86M | No quote | No quote |
| 15 | OMC | OMNICOM GROUP INC | 2.97% | Add +80.6% | 3,869,993 | $320.82M | $82.90 | No quote |
| 16 | MHK | MOHAWK INDS INC | 2.94% | Reduce -0.5% | 1,312,851 | $317.3M | $241.69 | No quote |
| 17 | JEC | JACOBS ENGR GROUP INC DEL | 2.62% | Add +7.6% | 5,205,567 | $283.13M | No quote | No quote |
| 18 | CACC | CREDIT ACCEP CORP MICH | 2.57% | Add +11.9% | 1,079,755 | $277.65M | $257.14 | No quote |
| 19 | WFC | WELLS FARGO CO NEW | 2.52% | Reduce -0.4% | 4,910,081 | $272.07M | $55.41 | No quote |
| 20 | BIDU | BAIDU INC | 2.49% | Reduce -43.2% | 1,503,032 | $268.83M | $178.86 | No quote |
| 21 | V | VISA INC | 2.22% | Add +52.7% | 2,559,878 | $240.07M | $93.78 | No quote |
| 22 | FCAU | FIAT CHRYSLER AUTOMOBILES N | 1.97% | Add +100.2% | 20,031,657 | $212.94M | No quote | No quote |
| 23 | CMG | CHIPOTLE MEXICAN GRILL INC | 1.96% | Reduce -1.6% | 507,937 | $211.35M | $416.10 | No quote |
| 24 | PRI | PRIMERICA INC | 1.41% | Reduce -19.9% | 2,008,377 | $152.14M | $75.75 | No quote |
| 25 | DHR | DANAHER CORP DEL | 1.29% | Reduce -1.0% | 1,648,054 | $139.08M | $84.39 | No quote |
| 26 | GS | GOLDMAN SACHS GROUP INC | 1.25% | Reduce -1.9% | 608,601 | $135.05M | $221.90 | No quote |
| 27 | COF | CAPITAL ONE FINL CORP | 1.22% | Reduce -1.2% | 1,600,000 | $132.19M | $82.62 | No quote |
| 28 | IAC | IAC INTERACTIVECORP | 1.15% | Reduce -0.0% | 1,205,205 | $124.43M | $103.24 | No quote |
| 29 | WUBA | 58 COM INC | 1.09% | Reduce -49.5% | 2,674,638 | $117.98M | No quote | No quote |
| 30 | JD | JD COM INC | 1.09% | - | 3,000,000 | $117.66M | $39.22 | No quote |
| 31 | EME | EMCOR GROUP INC | 0.86% | Add +0.9% | 1,417,571 | $92.68M | $65.38 | No quote |
| 32 | BLDR | BUILDERS FIRSTSOURCE INC | 0.77% | - | 5,408,465 | $82.86M | $15.32 | No quote |
| 33 | IBKR | INTERACTIVE BROKERS GROUP IN | 0.52% | Add +50.5% | 1,508,433 | $56.45M | $37.42 | No quote |
| 34 | META | FACEBOOK INC | 0.43% | - | 304,624 | $45.99M | $150.98 | No quote |
| 35 | ATHN | ATHENAHEALTH INC | 0.40% | Add +1.4% | 306,444 | $43.07M | No quote | No quote |
| 36 | TPRE | THIRD PT REINS LTD | 0.39% | - | 3,029,190 | $42.11M | No quote | No quote |
| 37 | TRUP | TRUPANION INC | 0.37% | - | 1,795,300 | $40.18M | $22.38 | No quote |
| 38 | SPSC | SPS COMM INC | 0.30% | New | 509,201 | $32.47M | No quote | No quote |
| 39 | JPMWS | JPMORGAN CHASE & CO | 0.28% | - | 600,000 | $30.17M | No quote | No quote |
| 40 | W | WAYFAIR INC | 0.15% | Reduce -58.2% | 215,316 | $16.55M | $76.88 | No quote |
| 41 | DHI | D R HORTON INC | 0.15% | - | 455,000 | $15.73M | $34.57 | No quote |
| 42 | ETSY | ETSY INC | 0.14% | - | 985,000 | $14.78M | $15.00 | No quote |
| 43 | MTH | MERITAGE HOMES CORP | 0.12% | - | 315,000 | $13.29M | $42.20 | No quote |
| 44 | CRESY | CRESUD S A C I F Y A | 0.11% | - | 616,883 | $12M | No quote | No quote |
| 45 | IRS | IRSA INVERSIONES Y REP S A | 0.10% | - | 465,000 | $11.22M | $24.12 | No quote |
| 46 | TOL | TOLL BROTHERS INC | 0.10% | - | 270,000 | $10.67M | $39.51 | No quote |
| 47 | ALGN | ALIGN TECHNOLOGY INC | 0.06% | Reduce -15.7% | 40,144 | $6.03M | $150.11 | No quote |
| 48 | UNP | UNION PAC CORP | 0.04% | Reduce -10.8% | 41,235 | $4.49M | $108.91 | No quote |
| 49 | FWONA | LIBERTY MEDIA CORP DELAWARE | 0.04% | Reduce -1.7% | 124,994 | $4.38M | $35.03 | No quote |
| 50 | TWX | TIME WARNER INC | 0.04% | Reduce -7.5% | 43,072 | $4.33M | No quote | No quote |
| 51 | SIG | SIGNET JEWELERS LIMITED | 0.04% | Reduce -3.9% | 65,091 | $4.12M | No quote | No quote |
| 52 | WST | WEST PHARMACEUTICAL SVSC INC | 0.04% | Reduce -28.4% | 42,794 | $4.05M | $94.52 | No quote |
| 53 | COST | COSTCO WHSL CORP NEW | 0.03% | Reduce -21.4% | 23,300 | $3.73M | $159.91 | No quote |
| 54 | PG | PROCTER AND GAMBLE CO | 0.03% | Reduce -15.3% | 42,481 | $3.7M | $87.14 | No quote |
| 55 | EIX | EDISON INTL | 0.03% | Reduce -11.7% | 37,900 | $2.96M | No quote | No quote |
| 56 | KO | COCA COLA CO | 0.02% | Reduce -10.8% | 46,130 | $2.07M | $44.85 | No quote |
| 57 | AXP | AMERICAN EXPRESS CO | 0.01% | Reduce -9.4% | 13,751 | $1.16M | $84.21 | No quote |
| 58 | HDB | HDFC BANK LTD | 0.01% | Reduce -0.7% | 13,180 | $1.15M | $86.95 | No quote |
| 59 | AEP | AMERICAN ELEC PWR INC | 0.01% | - | 14,390 | $1M | $69.49 | No quote |
| 60 | APPF | APPFOLIO INC | 0.01% | New | 25,177 | $821K | No quote | No quote |
| 61 | PGR | PROGRESSIVE CORP OHIO | 0.01% | Reduce -6.7% | 17,557 | $774K | $44.09 | No quote |
| 62 | JPM | JPMORGAN CHASE & CO | 0.01% | Reduce -22.8% | 6,713 | $614K | $91.46 | No quote |
| 63 | FAST | FASTENAL CO | 0.01% | Reduce -99.7% | 12,924 | $563K | $43.56 | No quote |
| 64 | RYAAY | RYANAIR HLDGS PLC | 0.01% | Reduce -2.8% | 5,081 | $547K | $107.66 | No quote |
| 65 | IDXX | IDEXX LABS INC | 0.01% | Reduce -86.3% | 3,365 | $543K | $161.37 | No quote |
| 66 | BABA | ALIBABA GROUP HLDG LTD | 0.00% | - | 3,335 | $470K | $140.93 | No quote |
| 67 | TRMB | TRIMBLE INC | 0.00% | Reduce -5.3% | 12,399 | $442K | $35.65 | No quote |
| 68 | EXPD | EXPEDITORS INTL WASH INC | 0.00% | Reduce -3.4% | 7,209 | $407K | $56.46 | No quote |
| 69 | LII | LENNOX INTL INC | 0.00% | Reduce -82.0% | 1,903 | $349K | $183.39 | No quote |
| 70 | XOM | EXXON MOBIL CORP | 0.00% | Reduce -89.3% | 4,185 | $338K | $80.76 | No quote |
| 90 | TIF | TIFFANY & CO NEW | - | Sold | 0 | $0 | No quote | No quote |
| 89 | PM | PHILIP MORRIS INTL INC | - | Sold | 0 | $0 | No quote | No quote |
| 88 | PRGO | PERRIGO CO PLC | - | Sold | 0 | $0 | No quote | No quote |
| 87 | PEP | PEPSICO INC | - | Sold | 0 | $0 | No quote | No quote |
| 86 | NVO | NOVO-NORDISK A S | - | Sold | 0 | $0 | No quote | No quote |
| 85 | MSFT | MICROSOFT CORP | - | Sold | 0 | $0 | No quote | No quote |
| 84 | MDT | MEDTRONIC PLC | - | Sold | 0 | $0 | No quote | No quote |
| 83 | MCD | MCDONALDS CORP | - | Sold | 0 | $0 | No quote | No quote |
| 82 | MTB | M & T BK CORP | - | Sold | 0 | $0 | No quote | No quote |
| 81 | LBTYA | LIBERTY GLOBAL PLC | - | Sold | 0 | $0 | No quote | No quote |
| 80 | JNJ | JOHNSON & JOHNSON | - | Sold | 0 | $0 | No quote | No quote |
| 79 | IBM | INTERNATIONAL BUSINESS MACHS | - | Sold | 0 | $0 | No quote | No quote |
| 78 | GHC | GRAHAM HLDGS CO | - | Sold | 0 | $0 | No quote | No quote |
| 77 | DIS | DISNEY WALT CO | - | Sold | 0 | $0 | No quote | No quote |
| 76 | CVS | CVS HEALTH CORP | - | Sold | 0 | $0 | No quote | No quote |
| 75 | CHTR | CHARTER COMMUNICATIONS INC N | - | Sold | 0 | $0 | No quote | No quote |
| 74 | CET | CENTRAL SECS CORP | - | Sold | 0 | $0 | No quote | No quote |
| 73 | CAT | CATERPILLAR INC DEL | - | Sold | 0 | $0 | No quote | No quote |
| 72 | ACGL | ARCH CAP GROUP LTD | - | Sold | 0 | $0 | No quote | No quote |
| 71 | AMG | AFFILIATED MANAGERS GROUP | - | Sold | 0 | $0 | No quote | No quote |