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 99 of 149 rows. Rows without a quote are marked unavailable.
| 1 | VRX | Valeant Pharmaceuticals Intern | 24.11% | Reduce -0.3% | 34,217,366 | $4.51B | No quote | No quote |
| 2 | BRK-A | Berkshire Hathaway - Cl A | 10.60% | Reduce -0.3% | 10,581 | $1.98B | $187350.06 | No quote |
| 3 | TJX | TJX Cos - New | 10.20% | Reduce -0.2% | 31,458,317 | $1.91B | $60.65 | No quote |
| 4 | FAST | Fastenal Co | 5.49% | Add +1.5% | 20,822,757 | $1.03B | $49.30 | No quote |
| 5 | PCP | Precision Castparts Corp | 4.20% | Reduce -0.1% | 3,109,923 | $786.06M | No quote | No quote |
| 6 | GOOGL | Google Inc- old | 3.52% | Reduce -3.4% | 590,803 | $658.46M | $1114.51 | No quote |
| 7 | IDXX | Idexx Laboratories Corp. | 3.41% | Reduce -0.3% | 5,252,649 | $637.67M | $121.40 | No quote |
| 8 | BRK-B | Berkshire Hathaway - Cl B | 3.23% | Add +1.3% | 4,837,924 | $604.6M | $124.97 | No quote |
| 9 | ORLY | O Reilly Automotive Inc | 2.90% | Add +0.3% | 3,657,876 | $542.79M | $148.39 | No quote |
| 10 | MA | Mastercard Inc | 2.18% | Add +899.9% | 5,452,231 | $407.28M | $74.70 | No quote |
| 11 | MHK | Mohawk Industries | 2.07% | Reduce -0.1% | 2,846,294 | $387.04M | $135.98 | No quote |
| 12 | RRC | Range Resources Corp | 1.60% | Reduce -0.0% | 3,606,130 | $299.2M | $82.97 | No quote |
| 13 | IBM | IBM | 1.52% | Reduce -0.3% | 1,476,489 | $284.21M | $192.49 | No quote |
| 14 | WKC | World Fuel Services Corp | 1.46% | Reduce -5.2% | 6,175,667 | $272.35M | No quote | No quote |
| 15 | PRGO | Perrigo Co PLC | 1.42% | Reduce -2.5% | 1,718,939 | $265.85M | $154.66 | No quote |
| 16 | PX | Praxair | 1.33% | Reduce -0.1% | 1,901,977 | $249.1M | No quote | No quote |
| 17 | V | Visa Inc Class A | 1.30% | Reduce -0.2% | 1,125,896 | $243.04M | $215.86 | No quote |
| 18 | WAT | Waters Corp | 1.20% | Reduce -0.5% | 2,074,156 | $224.86M | $108.41 | No quote |
| 19 | GS | Goldman Sachs Group Inc | 1.18% | Reduce -0.2% | 1,347,099 | $220.72M | $163.85 | No quote |
| 20 | SIRO | Sirona Dental Systems Inc | 1.16% | Reduce -0.7% | 2,910,454 | $217.32M | No quote | No quote |
| 21 | AAP | Advance Auto Parts | 1.14% | Reduce -0.1% | 1,681,084 | $212.66M | $126.50 | No quote |
| 22 | OMC | Omnicom Group | 1.12% | Reduce -0.1% | 2,887,844 | $209.66M | $72.60 | No quote |
| 23 | TIF | Tiffany & Co | 0.99% | Reduce -0.1% | 2,148,035 | $185.05M | No quote | No quote |
| 24 | PRI | Primerica Inc | 0.94% | Add +0.0% | 3,721,385 | $175.31M | $47.11 | No quote |
| 25 | WMT | Wal-Mart Stores | 0.91% | Reduce -0.3% | 2,234,238 | $170.76M | $76.43 | No quote |
| 26 | SWN | Southwestern Energy Co | 0.81% | Reduce -0.0% | 3,310,895 | $152.33M | No quote | No quote |
| 27 | CAB | Cabelas Inc. Cl A | 0.75% | New | 2,146,722 | $140.63M | No quote | No quote |
| 28 | ORCL | Oracle Corp. | 0.71% | Add +0.0% | 3,265,351 | $133.59M | $40.91 | No quote |
| 29 | TRMB | Trimble Navigation Ltd. | 0.71% | Reduce -0.3% | 3,426,321 | $133.18M | $38.87 | No quote |
| 30 | AXP | American Express | 0.68% | Reduce -0.2% | 1,404,192 | $126.42M | $90.03 | No quote |
| 31 | JEC | Jacobs Engineering Group Inc | 0.66% | Add +0.0% | 1,953,114 | $124.02M | No quote | No quote |
| 32 | DHR | Danaher Corp. | 0.59% | Add +0.2% | 1,474,101 | $110.56M | $75.00 | No quote |
| 33 | RBA | Ritchie Bros Auctioneers Inc | 0.54% | Reduce -6.1% | 4,199,053 | $101.32M | No quote | No quote |
| 34 | IACID | IAC Interactivecorp | 0.46% | - | 1,200,010 | $85.67M | No quote | No quote |
| 35 | QIHU | Qihoo 360 Technology Co. ADR | 0.45% | Add +180.0% | 840,000 | $83.65M | No quote | No quote |
| 36 | BRO | Brown & Brown Inc. | 0.44% | Reduce -0.4% | 2,688,724 | $82.71M | $30.76 | No quote |
| 37 | COST | Costco Wholesale Corp | 0.44% | Reduce -0.4% | 740,247 | $82.67M | $111.68 | No quote |
| 38 | EME | Emcor Group Inc | 0.42% | Reduce -0.2% | 1,676,594 | $78.45M | $46.79 | No quote |
| 39 | WST | West Pharmaceutical Svcs Inc C | 0.25% | Reduce -0.6% | 1,061,403 | $46.76M | $44.05 | No quote |
| 40 | KO | Coca Cola Co. | 0.24% | Reduce -2.4% | 1,153,144 | $44.58M | $38.66 | No quote |
| 41 | MHP | McGraw Hill | 0.21% | Reduce 0.0% | 506,830 | $38.67M | No quote | No quote |
| 42 | IBKR | Interactive Brokers Group Inc | 0.20% | - | 1,736,264 | $37.63M | $21.67 | No quote |
| 43 | CFX | Colfax Corp | 0.19% | Reduce -0.3% | 501,945 | $35.8M | No quote | No quote |
| 44 | PXD | Pioneer Natural Resources Co. | 0.17% | Add +1.0% | 174,138 | $32.59M | No quote | No quote |
| 45 | CNQ | Canadian Natural Resources | 0.16% | Reduce -0.7% | 773,304 | $29.67M | $38.37 | No quote |
| 46 | QCOM | Qualcomm Inc | 0.13% | Add +0.3% | 302,077 | $23.82M | $78.86 | No quote |
| 47 | PEP | PepsiCo | 0.08% | Reduce -0.2% | 188,760 | $15.76M | $83.50 | No quote |
| 48 | PG | Procter & Gamble | 0.08% | Add +0.2% | 184,879 | $14.9M | $80.60 | No quote |
| 49 | GLRE | Greenlight Capital Re Ltd Cl A | 0.08% | - | 441,764 | $14.49M | No quote | No quote |
| 50 | WFC | Wells Fargo & Co. New | 0.08% | Add +220.7% | 287,710 | $14.31M | $49.74 | No quote |
| 51 | MCD | McDonalds | 0.07% | Add +0.1% | 137,319 | $13.46M | $98.03 | No quote |
| 52 | AON | Aon PLC | 0.06% | - | 134,700 | $11.35M | $84.28 | No quote |
| 53 | EXPD | Expeditors Int'l of Wash. Inc. | 0.06% | Reduce -2.8% | 281,805 | $11.17M | $39.63 | No quote |
| 54 | NVO | Novo Nordisk A/S ADR | 0.06% | Add +290.1% | 242,630 | $11.08M | $45.65 | No quote |
| 55 | GIS | General Mills | 0.06% | - | 200,447 | $10.39M | $51.82 | No quote |
| 56 | UNP | Union Pacific | 0.05% | Add +53.8% | 50,313 | $9.44M | $187.67 | No quote |
| 57 | XOM | Exxon Mobil Corp | 0.05% | Add +2.8% | 93,096 | $9.09M | $97.68 | No quote |
| 58 | K | Kellogg Co. | 0.05% | - | 135,000 | $8.47M | No quote | No quote |
| 59 | PM | Philip Morris Intl Inc. | 0.04% | Add +0.2% | 101,665 | $8.32M | $81.87 | No quote |
| 60 | LLTC | Linear Technology Group | 0.04% | Reduce -16.1% | 167,575 | $8.16M | No quote | No quote |
| 61 | INWK | Innerworkings Inc Com | 0.04% | - | 1,000,000 | $7.66M | No quote | No quote |
| 62 | JNJ | Johnson & Johnson | 0.04% | Add +2.3% | 75,794 | $7.45M | $98.23 | No quote |
| 63 | CAT | Caterpillar | 0.04% | Reduce -0.9% | 69,053 | $6.86M | $99.37 | No quote |
| 64 | GE | General Electric | 0.03% | Reduce -0.2% | 242,522 | $6.28M | $25.89 | No quote |
| 65 | CRESY | Cresud SACIFYA Spon ADR Repstg | 0.03% | - | 605,247 | $5.62M | No quote | No quote |
| 66 | COP | ConocoPhillips | 0.03% | - | 79,834 | $5.62M | $70.35 | No quote |
| 67 | 5109REG | Pactera Technology Intl Ltd Sp | 0.03% | - | 770,000 | $5.58M | No quote | No quote |
| 68 | REXI | Resource America Inc Cl A | 0.03% | - | 603,180 | $5.17M | No quote | No quote |
| 69 | ZTS | Zoetis Inc. | 0.03% | Reduce -0.2% | 173,553 | $5.02M | $28.94 | No quote |
| 70 | DEO | Diageo PLC Sponsored ADR | 0.02% | Add +0.7% | 32,905 | $4.1M | $124.60 | No quote |
| 71 | VRSK | Verisk Analytics Class A | 0.02% | Reduce -0.1% | 62,882 | $3.77M | $59.95 | No quote |
| 72 | DD | Du Pont E I De Nemours & Co. | 0.02% | Reduce -0.5% | 55,655 | $3.73M | $67.09 | No quote |
| 73 | PAM | Pampa Hldgs SA Spon GDR Reg S | 0.02% | - | 605,980 | $3.53M | No quote | No quote |
| 74 | PGR | Progressive Corp. Ohio | 0.02% | Reduce -0.3% | 138,100 | $3.35M | $24.22 | No quote |
| 75 | RY | Royal Bk CDA Montreal Que | 0.02% | - | 50,400 | $3.33M | No quote | No quote |
| 76 | MO | Altria Group Inc | 0.02% | - | 85,624 | $3.21M | $37.43 | No quote |
| 77 | PSX | Phillips 66 | 0.02% | - | 40,355 | $3.11M | $77.07 | No quote |
| 78 | DTV | DirectTV | 0.01% | - | 35,149 | $2.69M | No quote | No quote |
| 79 | FITB | Fifth Third Bancorp | 0.01% | - | 114,508 | $2.63M | $22.96 | No quote |
| 80 | MSFT | Microsoft | 0.01% | Reduce -2.4% | 63,841 | $2.62M | $40.99 | No quote |
| 81 | ICE | Intercontinental Exchange Ange | 0.01% | Reduce -2.6% | 13,080 | $2.59M | $197.86 | No quote |
| 82 | EIX | Edison International | 0.01% | - | 42,900 | $2.43M | No quote | No quote |
| 83 | HTLD | Heartland Express | 0.01% | - | 101,057 | $2.29M | $22.69 | No quote |
| 84 | GHC | Graham Holdings Co. | 0.01% | - | 3,248 | $2.29M | $703.82 | No quote |
| 85 | HD | Home Depot | 0.01% | Add +2.8% | 28,273 | $2.24M | $79.12 | No quote |
| 86 | DIS | Disney Walt | 0.01% | Reduce -45.5% | 27,486 | $2.2M | $80.08 | No quote |
| 87 | KFT | Mondelez International | 0.01% | Reduce -92.8% | 60,463 | $2.09M | No quote | No quote |
| 88 | CVS | CVS Corp. | 0.01% | Add +6.3% | 27,049 | $2.03M | $74.86 | No quote |
| 89 | RDSA | Royal Dutch Shell PLC Spon ADR | 0.01% | Reduce -0.4% | 26,509 | $1.94M | No quote | No quote |
| 90 | LII | Lennox International Inc. | 0.01% | - | 20,139 | $1.83M | $90.92 | No quote |
| 91 | KWK | Quicksilver Resources Inc | 0.01% | Reduce -48.0% | 613,000 | $1.61M | No quote | No quote |
| 92 | COCO | Corinthian Colleges Inc | 0.01% | - | 1,000,000 | $1.38M | $1.38 | No quote |
| 93 | USB | U.S. Bancorp New - Del. | 0.01% | Add +12.5% | 29,537 | $1.27M | $42.86 | No quote |
| 94 | STI | Suntrust Banks | 0.01% | - | 31,203 | $1.24M | No quote | No quote |
| 95 | JPM | JP Morgan Chase & Co. | 0.01% | Add +9.5% | 19,264 | $1.17M | $60.73 | No quote |
| 96 | SHW | Sherwin Williams Co. | 0.01% | - | 5,307 | $1.05M | $197.10 | No quote |
| 97 | KRFT | Kraft Foods Group Inc. | 0.01% | - | 18,038 | $1.01M | No quote | No quote |
| 98 | AAPL | Apple Computer | 0.01% | Add +3.4% | 1,845 | $990K | $536.59 | No quote |
| 99 | CNQR | Concur Technologies Inc | 0.00% | - | 8,974 | $889K | No quote | No quote |
| 100 | AEP | American Electric Power | 0.00% | - | 15,300 | $775K | $50.65 | No quote |
| 101 | HDB | HDFC Bank Ltd ADR Repstg 3 Shs | 0.00% | Add +3.8% | 18,161 | $745K | $41.02 | No quote |
| 102 | CVX | ChevronTexaco Corp | 0.00% | Add +4.4% | 5,863 | $697K | $118.88 | No quote |
| 103 | SRMLF | Storm Resources Ltd. | 0.00% | Reduce -88.2% | 156,650 | $668K | No quote | No quote |
| 104 | ACGL | Arch Capital Group Ltd | 0.00% | - | 11,538 | $664K | $57.55 | No quote |
| 105 | TGT | Target Corp | 0.00% | Reduce -21.0% | 10,122 | $612K | $60.46 | No quote |
| 106 | ROP | Roper Industries Inc New | 0.00% | - | 4,465 | $596K | $133.48 | No quote |
| 107 | IEX | Idex Corp | 0.00% | - | 7,985 | $582K | $72.89 | No quote |
| 108 | LOW | Lowe's Companies | 0.00% | - | 10,364 | $507K | $48.92 | No quote |
| 109 | RYAAY | Ryanair Hldgs PLC Spon ADR | 0.00% | Reduce -0.8% | 8,181 | $481K | $58.79 | No quote |
| 110 | ADP | Automatic Data Processing | 0.00% | - | 6,011 | $464K | $77.19 | No quote |
| 111 | LUK | Leucadia Nat'l | 0.00% | - | 16,471 | $461K | No quote | No quote |
| 112 | LMT | Lockheed Martin Corp. | 0.00% | - | 2,750 | $449K | $163.27 | No quote |
| 113 | INTC | Intel Corp | 0.00% | Add +4.1% | 17,282 | $446K | $25.81 | No quote |
| 114 | RSG | Republic Services Inc Cl A | 0.00% | - | 12,775 | $436K | No quote | No quote |
| 115 | ESRX | Express Scripts Holding Co. | 0.00% | Reduce -5.1% | 5,655 | $425K | No quote | No quote |
| 116 | PSA | Public Storage Inc. | 0.00% | New | 2,493 | $420K | $168.47 | No quote |
| 117 | BBBYQ | Bed Bath & Beyond Inc | 0.00% | Add +0.1% | 6,035 | $415K | No quote | No quote |
| 118 | DVN | Devon Energy Corporation New | 0.00% | Add +25.5% | 5,955 | $399K | $67.00 | No quote |
| 119 | CMCSK | Comcast Corp. Spl Cl A | 0.00% | - | 7,474 | $365K | No quote | No quote |
| 120 | PFE | Pfizer | 0.00% | - | 11,022 | $354K | $32.12 | No quote |
| 121 | WPP | WPP PLC New ADR | 0.00% | - | 3,408 | $351K | No quote | No quote |
| 122 | SRCL | Stericycle Inc. | 0.00% | - | 3,000 | $341K | No quote | No quote |
| 123 | SEIC | SEI Investments Co | 0.00% | - | 10,000 | $336K | $33.60 | No quote |
| 125 | TROW | Price T Rowe Group Inc | 0.00% | - | 4,045 | $333K | $82.32 | No quote |
| 124 | EMR | Emerson Electric | 0.00% | Add +14.2% | 4,990 | $333K | $66.73 | No quote |
| 126 | INXN | Interxion Holdings NV | 0.00% | Reduce -93.2% | 13,060 | $313K | No quote | No quote |
| 127 | TMO | Thermo Electron | 0.00% | New | 2,551 | $307K | $120.34 | No quote |
| 128 | VZ | Verizon Communications | 0.00% | Add +17.7% | 6,325 | $301K | $47.59 | No quote |
| 129 | BAC | Bank of America Corp | 0.00% | - | 17,432 | $300K | $17.21 | No quote |
| 130 | RHI | Robert Half Internat'l | 0.00% | - | 7,000 | $294K | $42.00 | No quote |
| 131 | C | Citigroup Inc | 0.00% | Reduce -0.5% | 6,016 | $286K | $47.54 | No quote |
| 132 | AMAT | Applied Materials | 0.00% | - | 13,692 | $280K | $20.45 | No quote |
| 133 | BP | BP Amoco PLC ADR | 0.00% | - | 5,548 | $267K | $48.13 | No quote |
| 135 | BDX | Becton Dickinson & Co. | 0.00% | - | 2,272 | $266K | $117.08 | No quote |
| 134 | MMM | 3M Company | 0.00% | - | 1,958 | $266K | $135.85 | No quote |
| 136 | MRK | Merck & Co. | 0.00% | Add +8.2% | 4,409 | $250K | $56.70 | No quote |
| 137 | SLB | Schlumberger Ltd | 0.00% | Reduce -14.7% | 2,429 | $237K | $97.57 | No quote |
| 138 | CL | Colgate Palmolive Co. | 0.00% | - | 3,548 | $230K | $64.83 | No quote |
| 139 | - | ***Jardine Matheson Hldgs (U$.CUSIP G50736100 | 0.00% | New | 3,600 | $223K | No quote | No quote |
| 140 | TECH | Techne Corp | 0.00% | - | 2,540 | $217K | $85.43 | No quote |
| 141 | ITUB | ITAU Unibanco Holdings S.A. AD | 0.00% | New | 12,850 | $191K | $14.86 | No quote |
| 142 | MEG | Media General - Class A | 0.00% | - | 10,000 | $184K | No quote | No quote |
| 143 | - | Acacia Conservation FundCUSIP 003993144 | 0.00% | New | 47,310 | $47K | No quote | No quote |
| 149 | YBTVQ | Young Broadcasting Inc Cl A | 0.00% | - | 144,865 | $0 | No quote | No quote |
| 148 | KMB | Kimberly Clark | - | Sold | 0 | $0 | No quote | No quote |
| 147 | ESGR | Enstar Group Inc GA | - | Sold | 0 | $0 | No quote | No quote |
| 146 | ENR | Energizer Holdings Inc | - | Sold | 0 | $0 | No quote | No quote |
| 145 | CTSH | Cognizant Technology Solutions | - | Sold | 0 | $0 | No quote | No quote |
| 144 | ATHN | Athenahealth Inc. | - | Sold | 0 | $0 | No quote | No quote |