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 155 rows. Rows without a quote are marked unavailable.
| 1 | VRX | Valeant Pharmaceuticals Intern | 22.40% | Reduce -1.0% | 34,305,656 | $4.03B | No quote | No quote |
| 2 | TJX | TJX Cos - New | 11.17% | Reduce -0.9% | 31,508,583 | $2.01B | $63.73 | No quote |
| 3 | BRK-A | Berkshire Hathaway - Cl A | 10.50% | Reduce -0.9% | 10,610 | $1.89B | $177900.00 | No quote |
| 4 | FAST | Fastenal Co | 5.42% | Reduce -1.1% | 20,508,329 | $974.35M | $47.51 | No quote |
| 5 | PCP | Precision Castparts Corp | 4.66% | Reduce -1.2% | 3,113,652 | $838.51M | No quote | No quote |
| 6 | GOOGL | Google Inc Cl A | 3.81% | Reduce -7.9% | 611,648 | $685.48M | $1120.71 | No quote |
| 7 | BRK-B | Berkshire Hathaway - Cl B | 3.15% | Add +2.0% | 4,773,987 | $566M | $118.56 | No quote |
| 8 | IDXX | Idexx Laboratories Corp. | 3.12% | Reduce -1.4% | 5,271,088 | $560.69M | $106.37 | No quote |
| 9 | ORLY | O Reilly Automotive Inc | 2.61% | Reduce -0.7% | 3,648,850 | $469.64M | $128.71 | No quote |
| 10 | MA | Mastercard Inc | 2.53% | Reduce -0.4% | 545,257 | $455.54M | $835.46 | No quote |
| 11 | MHK | Mohawk Industries | 2.36% | Reduce -2.6% | 2,849,265 | $424.26M | $148.90 | No quote |
| 12 | RRC | Range Resources Corp | 1.69% | Add +25.2% | 3,606,450 | $304.06M | $84.31 | No quote |
| 13 | WKC | World Fuel Services Corp | 1.56% | Reduce -1.3% | 6,516,789 | $281.27M | No quote | No quote |
| 14 | IBM | IBM | 1.55% | Reduce -1.4% | 1,481,575 | $277.9M | $187.57 | No quote |
| 15 | PRGO | Perrigo Co PLC | 1.51% | New | 1,763,823 | $270.66M | $153.45 | No quote |
| 16 | V | Visa Inc Class A | 1.40% | Reduce -1.7% | 1,128,371 | $251.27M | $222.68 | No quote |
| 17 | PX | Praxair | 1.38% | Reduce -1.2% | 1,904,750 | $247.68M | No quote | No quote |
| 18 | GS | Goldman Sachs Group Inc | 1.33% | Reduce -2.0% | 1,349,236 | $239.17M | $177.26 | No quote |
| 19 | OMC | Omnicom Group | 1.20% | Reduce -2.2% | 2,890,516 | $214.97M | $74.37 | No quote |
| 20 | WAT | Waters Corp | 1.16% | Reduce -1.5% | 2,084,496 | $208.45M | $100.00 | No quote |
| 21 | SIRO | Sirona Dental Systems Inc | 1.15% | Reduce -0.8% | 2,931,923 | $205.82M | No quote | No quote |
| 22 | TIF | Tiffany & Co | 1.11% | Reduce -0.9% | 2,151,207 | $199.59M | No quote | No quote |
| 23 | AAP | Advance Auto Parts | 1.04% | Reduce -72.8% | 1,682,394 | $186.21M | $110.68 | No quote |
| 24 | WMT | Wal-Mart Stores | 0.98% | Reduce -3.0% | 2,241,354 | $176.37M | $78.69 | No quote |
| 25 | PRI | Primerica Inc | 0.89% | - | 3,720,625 | $159.65M | $42.91 | No quote |
| 26 | SWN | Southwestern Energy Co | 0.72% | Add +65.3% | 3,311,945 | $130.26M | No quote | No quote |
| 27 | AXP | American Express | 0.71% | Reduce -0.1% | 1,406,404 | $127.6M | $90.73 | No quote |
| 28 | ORCL | Oracle Corp. | 0.69% | Add +45.3% | 3,263,953 | $124.88M | $38.26 | No quote |
| 29 | JEC | Jacobs Engineering Group Inc | 0.68% | Reduce -0.9% | 1,953,113 | $123.03M | No quote | No quote |
| 30 | TRMB | Trimble Navigation Ltd. | 0.66% | Reduce -1.0% | 3,435,095 | $119.2M | $34.70 | No quote |
| 31 | DHR | Danaher Corp. | 0.63% | Reduce -1.2% | 1,471,269 | $113.58M | $77.20 | No quote |
| 32 | RBA | Ritchie Bros Auctioneers Inc | 0.57% | Reduce -1.6% | 4,471,936 | $102.54M | No quote | No quote |
| 33 | COST | Costco Wholesale Corp | 0.49% | Add +0.0% | 743,147 | $88.45M | $119.02 | No quote |
| 34 | BRO | Brown & Brown Inc. | 0.47% | Reduce -3.4% | 2,700,118 | $84.76M | $31.39 | No quote |
| 35 | IACID | IAC Interactivecorp | 0.46% | - | 1,200,010 | $82.38M | No quote | No quote |
| 36 | EME | Emcor Group Inc | 0.40% | Reduce 0.0% | 1,679,411 | $71.27M | $42.44 | No quote |
| 37 | WST | West Pharmaceutical Svcs Inc C | 0.29% | Reduce -1.2% | 1,068,129 | $52.4M | $49.06 | No quote |
| 38 | KO | Coca Cola Co. | 0.27% | Reduce -4.6% | 1,181,816 | $48.82M | $41.31 | No quote |
| 39 | IBKR | Interactive Brokers Group Inc | 0.24% | - | 1,736,264 | $42.26M | $24.34 | No quote |
| 40 | MHP | McGraw Hill | 0.22% | - | 506,840 | $39.64M | No quote | No quote |
| 41 | CFX | Colfax Corp | 0.18% | - | 503,400 | $32.06M | No quote | No quote |
| 42 | PXD | Pioneer Natural Resources Co. | 0.18% | Reduce -25.8% | 172,360 | $31.73M | No quote | No quote |
| 43 | KFT | Mondelez International | 0.17% | - | 843,343 | $29.77M | No quote | No quote |
| 44 | CNQ | Canadian Natural Resources | 0.15% | Reduce -6.4% | 778,559 | $26.35M | $33.84 | No quote |
| 45 | QIHU | Qihoo 360 Technology Co. ADR | 0.14% | New | 300,000 | $24.62M | No quote | No quote |
| 46 | QCOM | Qualcomm Inc | 0.12% | - | 301,282 | $22.37M | $74.25 | No quote |
| 47 | ATHN | Athenahealth Inc. | 0.11% | Reduce -50.0% | 150,000 | $20.18M | No quote | No quote |
| 48 | PEP | PepsiCo | 0.09% | Add +0.0% | 189,160 | $15.69M | $82.94 | No quote |
| 49 | CTSH | Cognizant Technology Solutions | 0.08% | - | 150,950 | $15.24M | $100.98 | No quote |
| 50 | PG | Procter & Gamble | 0.08% | - | 184,489 | $15.02M | $81.41 | No quote |
| 51 | GLRE | Greenlight Capital Re Ltd Cl A | 0.08% | - | 441,764 | $14.89M | No quote | No quote |
| 52 | MCD | McDonalds | 0.07% | - | 137,256 | $13.32M | $97.03 | No quote |
| 53 | EXPD | Expeditors Int'l of Wash. Inc. | 0.07% | Reduce -12.0% | 289,805 | $12.82M | $44.25 | No quote |
| 54 | NVO | Novo Nordisk A/S ADR | 0.06% | Add +58.7% | 62,194 | $11.49M | $184.76 | No quote |
| 55 | AON | Aon PLC | 0.06% | Reduce -68.4% | 134,700 | $11.3M | $83.89 | No quote |
| 56 | GIS | General Mills | 0.06% | - | 200,447 | $10M | $49.91 | No quote |
| 57 | XOM | Exxon Mobil Corp | 0.05% | Reduce -0.9% | 90,543 | $9.16M | $101.20 | No quote |
| 58 | LLTC | Linear Technology Group | 0.05% | Reduce -6.2% | 199,673 | $9.1M | No quote | No quote |
| 59 | PM | Philip Morris Intl Inc. | 0.05% | - | 101,425 | $8.84M | $87.13 | No quote |
| 60 | K | Kellogg Co. | 0.05% | Reduce -2.5% | 135,000 | $8.24M | No quote | No quote |
| 61 | INWK | Innerworkings Inc Com | 0.04% | New | 1,000,000 | $7.79M | No quote | No quote |
| 62 | GE | General Electric | 0.04% | Reduce -0.1% | 242,944 | $6.81M | $28.03 | No quote |
| 63 | JNJ | Johnson & Johnson | 0.04% | Reduce -0.5% | 74,094 | $6.79M | $91.59 | No quote |
| 64 | CAT | Caterpillar | 0.04% | Reduce -1.1% | 69,717 | $6.33M | $90.81 | No quote |
| 65 | CRESY | Cresud SACIFYA Spon ADR Repstg | 0.03% | - | 605,247 | $6.11M | No quote | No quote |
| 66 | ZTS | Zoetis Inc. | 0.03% | - | 173,973 | $5.69M | $32.69 | No quote |
| 67 | REXI | Resource America Inc Cl A | 0.03% | - | 603,180 | $5.65M | No quote | No quote |
| 68 | COP | ConocoPhillips | 0.03% | - | 79,834 | $5.64M | $70.65 | No quote |
| 69 | 5109REG | Pactera Technology Intl Ltd Sp | 0.03% | Reduce -15.8% | 770,000 | $5.51M | No quote | No quote |
| 70 | UNP | Union Pacific | 0.03% | - | 32,713 | $5.5M | $168.01 | No quote |
| 71 | SRMLF | Storm Resources Ltd. | 0.03% | - | 1,325,600 | $5.05M | No quote | No quote |
| 72 | INXN | Interxion Holdings NV | 0.03% | New | 190,983 | $4.51M | No quote | No quote |
| 73 | DEO | Diageo PLC Sponsored ADR | 0.02% | New | 32,675 | $4.33M | $132.43 | No quote |
| 74 | VRSK | Verisk Analytics Class A | 0.02% | Reduce -1.0% | 62,964 | $4.14M | $65.72 | No quote |
| 75 | WFC | Wells Fargo & Co. New | 0.02% | - | 89,725 | $4.07M | $45.41 | No quote |
| 76 | DIS | Disney Walt | 0.02% | Add +2.0% | 50,422 | $3.85M | $76.40 | No quote |
| 77 | PGR | Progressive Corp. Ohio | 0.02% | Reduce -0.4% | 138,515 | $3.78M | $27.27 | No quote |
| 78 | DD | Du Pont E I De Nemours & Co. | 0.02% | - | 55,955 | $3.64M | $64.96 | No quote |
| 79 | KWK | Quicksilver Resources Inc | 0.02% | - | 1,178,000 | $3.62M | No quote | No quote |
| 80 | RY | Royal Bk CDA Montreal Que | 0.02% | - | 50,400 | $3.39M | No quote | No quote |
| 81 | MO | Altria Group Inc | 0.02% | - | 85,624 | $3.29M | $38.39 | No quote |
| 82 | PAM | Pampa Hldgs SA Spon GDR Reg S | 0.02% | - | 605,980 | $3.18M | No quote | No quote |
| 83 | PSX | Phillips 66 | 0.02% | - | 40,355 | $3.11M | $77.14 | No quote |
| 84 | ICE | Intercontinental Exchange Ange | 0.02% | - | 13,430 | $3.02M | $224.94 | No quote |
| 85 | MSFT | Microsoft | 0.01% | Add +1.6% | 65,389 | $2.45M | $37.41 | No quote |
| 86 | DTV | DirectTV | 0.01% | Add +2.4% | 35,149 | $2.43M | No quote | No quote |
| 87 | FITB | Fifth Third Bancorp | 0.01% | - | 114,508 | $2.41M | $21.03 | No quote |
| 88 | ESGR | Enstar Group Inc GA | 0.01% | Reduce -58.9% | 16,441 | $2.28M | No quote | No quote |
| 89 | HD | Home Depot | 0.01% | Add +2.0% | 27,503 | $2.27M | $82.35 | No quote |
| 90 | GHC | Graham Holdings Co. | 0.01% | New | 3,248 | $2.15M | $663.18 | No quote |
| 91 | EIX | Edison International | 0.01% | - | 42,900 | $1.99M | No quote | No quote |
| 92 | HTLD | Heartland Express | 0.01% | - | 101,057 | $1.98M | $19.62 | No quote |
| 93 | RDSA | Royal Dutch Shell PLC Spon ADR | 0.01% | Reduce -1.8% | 26,621 | $1.9M | No quote | No quote |
| 94 | CVS | CVS Corp. | 0.01% | Reduce -1.8% | 25,454 | $1.82M | $71.58 | No quote |
| 95 | COCO | Corinthian Colleges Inc | 0.01% | - | 1,000,000 | $1.78M | $1.78 | No quote |
| 96 | LII | Lennox International Inc. | 0.01% | Reduce -0.3% | 20,139 | $1.71M | $85.06 | No quote |
| 97 | STI | Suntrust Banks | 0.01% | - | 31,203 | $1.15M | No quote | No quote |
| 98 | USB | U.S. Bancorp New - Del. | 0.01% | - | 26,264 | $1.06M | $40.40 | No quote |
| 99 | JPM | JP Morgan Chase & Co. | 0.01% | Reduce -1.1% | 17,589 | $1.03M | $58.50 | No quote |
| 100 | AAPL | Apple Computer | 0.01% | - | 1,785 | $1M | $560.78 | No quote |
| 101 | SHW | Sherwin Williams Co. | 0.01% | - | 5,307 | $974K | $183.53 | No quote |
| 102 | KRFT | Kraft Foods Group Inc. | 0.01% | - | 18,038 | $972K | No quote | No quote |
| 103 | CNQR | Concur Technologies Inc | 0.01% | - | 8,974 | $926K | No quote | No quote |
| 104 | TGT | Target Corp | 0.00% | Reduce -1.9% | 12,813 | $811K | $63.30 | No quote |
| 105 | AEP | American Electric Power | 0.00% | - | 15,300 | $715K | $46.73 | No quote |
| 106 | CVX | ChevronTexaco Corp | 0.00% | Reduce -1.8% | 5,618 | $702K | $124.96 | No quote |
| 107 | ACGL | Arch Capital Group Ltd | 0.00% | Reduce -3.8% | 11,538 | $689K | $59.72 | No quote |
| 108 | ROP | Roper Industries Inc New | 0.00% | - | 4,465 | $619K | $138.63 | No quote |
| 109 | HDB | HDFC Bank Ltd ADR Repstg 3 Shs | 0.00% | Reduce -4.4% | 17,491 | $602K | $34.42 | No quote |
| 110 | IEX | Idex Corp | 0.00% | - | 7,985 | $590K | $73.89 | No quote |
| 111 | LOW | Lowe's Companies | 0.00% | - | 10,364 | $514K | $49.59 | No quote |
| 112 | ADP | Automatic Data Processing | 0.00% | - | 6,011 | $486K | $80.85 | No quote |
| 113 | BBBYQ | Bed Bath & Beyond Inc | 0.00% | - | 6,030 | $484K | No quote | No quote |
| 114 | LUK | Leucadia Nat'l | 0.00% | - | 16,471 | $467K | No quote | No quote |
| 115 | INTC | Intel Corp | 0.00% | Add +20.9% | 16,607 | $431K | $25.95 | No quote |
| 116 | RSG | Republic Services Inc Cl A | 0.00% | - | 12,775 | $424K | No quote | No quote |
| 117 | ESRX | Express Scripts Holding Co. | 0.00% | - | 5,957 | $418K | No quote | No quote |
| 118 | LMT | Lockheed Martin Corp. | 0.00% | Add +7.8% | 2,750 | $409K | $148.73 | No quote |
| 119 | WPP | WPP PLC New ADR | 0.00% | - | 3,408 | $391K | No quote | No quote |
| 120 | KMB | Kimberly Clark | 0.00% | Reduce -94.7% | 3,719 | $388K | $104.33 | No quote |
| 121 | RYAAY | Ryanair Hldgs PLC Spon ADR | 0.00% | Reduce -6.5% | 8,245 | $387K | $46.94 | No quote |
| 122 | CMCSK | Comcast Corp. Spl Cl A | 0.00% | - | 7,474 | $373K | No quote | No quote |
| 123 | SRCL | Stericycle Inc. | 0.00% | - | 3,000 | $349K | No quote | No quote |
| 124 | SEIC | SEI Investments Co | 0.00% | - | 10,000 | $347K | $34.70 | No quote |
| 125 | TROW | Price T Rowe Group Inc | 0.00% | - | 4,045 | $339K | $83.81 | No quote |
| 126 | PFE | Pfizer | 0.00% | Add +5.8% | 11,022 | $338K | $30.67 | No quote |
| 127 | C | Citigroup Inc | 0.00% | - | 6,046 | $315K | $52.10 | No quote |
| 128 | EMR | Emerson Electric | 0.00% | - | 4,370 | $307K | $70.25 | No quote |
| 129 | ENR | Energizer Holdings Inc | 0.00% | - | 2,782 | $301K | $108.20 | No quote |
| 131 | RHI | Robert Half Internat'l | 0.00% | - | 7,000 | $294K | $42.00 | No quote |
| 130 | DVN | Devon Energy Corporation New | 0.00% | - | 4,745 | $294K | $61.96 | No quote |
| 132 | MMM | 3M Company | 0.00% | - | 1,958 | $275K | $140.45 | No quote |
| 133 | BAC | Bank of America Corp | 0.00% | - | 17,432 | $271K | $15.55 | No quote |
| 134 | BP | BP Amoco PLC ADR | 0.00% | - | 5,548 | $270K | $48.67 | No quote |
| 135 | VZ | Verizon Communications | 0.00% | New | 5,375 | $264K | $49.12 | No quote |
| 136 | SLB | Schlumberger Ltd | 0.00% | - | 2,849 | $257K | $90.21 | No quote |
| 137 | BDX | Becton Dickinson & Co. | 0.00% | - | 2,272 | $251K | $110.48 | No quote |
| 138 | AMAT | Applied Materials | 0.00% | - | 13,692 | $242K | $17.67 | No quote |
| 139 | TECH | Techne Corp | 0.00% | - | 2,540 | $240K | $94.49 | No quote |
| 140 | CL | Colgate Palmolive Co. | 0.00% | - | 3,548 | $231K | $65.11 | No quote |
| 141 | MEG | Media General - Class A | 0.00% | - | 10,000 | $226K | No quote | No quote |
| 142 | MRK | Merck & Co. | 0.00% | New | 4,075 | $204K | $50.06 | No quote |
| 155 | YBTVQ | Young Broadcasting Inc Cl A | 0.00% | - | 144,865 | $0 | No quote | No quote |
| 154 | WPX | WPX Energy Inc. | - | Sold | 0 | $0 | No quote | No quote |
| 153 | WPO | Washington Post - Class B | - | Sold | 0 | $0 | No quote | No quote |
| 152 | - | Verizon CommunicationsCUSIP 077853109 | - | Sold | 0 | $0 | No quote | No quote |
| 151 | UPL | Ultra Petroleum Corp. | - | Sold | 0 | $0 | No quote | No quote |
| 150 | PRGO | Perrigo Co | - | Sold | 0 | $0 | No quote | No quote |
| 149 | MAN | Manpower | - | Sold | 0 | $0 | No quote | No quote |
| 148 | GWAY | Greenway Medical Technologies | - | Sold | 0 | $0 | No quote | No quote |
| 147 | DHX | Dice Holdings Inc | - | Sold | 0 | $0 | No quote | No quote |
| 146 | CHK | Chesapeake Energy Corp | - | Sold | 0 | $0 | No quote | No quote |
| 145 | BUERF | Blue Earth Refineries | - | Sold | 0 | $0 | No quote | No quote |
| 144 | BITA | Bitauto Holdings LTD | - | Sold | 0 | $0 | No quote | No quote |
| 143 | T | AT&T Inc | - | Sold | 0 | $0 | No quote | No quote |