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 97 of 158 rows. Rows without a quote are marked unavailable.
| 1 | VRX | Valeant Pharmaceuticals Intern | 21.46% | Reduce -0.3% | 34,647,147 | $3.61B | No quote | No quote |
| 2 | BRK-A | Berkshire Hathaway - Cl A | 10.83% | Reduce -0.1% | 10,710 | $1.83B | $170409.99 | No quote |
| 3 | TJX | TJX Cos - New | 10.65% | Reduce -0.2% | 31,806,794 | $1.79B | $56.39 | No quote |
| 4 | FAST | Fastenal Co | 6.18% | Reduce -0.0% | 20,726,836 | $1.04B | $50.27 | No quote |
| 5 | PCP | Precision Castparts Corp | 4.25% | Add +0.0% | 3,150,357 | $715.89M | No quote | No quote |
| 6 | GOOGL | Google Inc Cl A | 3.45% | Reduce -1.9% | 663,811 | $581.44M | $875.91 | No quote |
| 7 | IDXX | Idexx Laboratories Corp. | 3.16% | Reduce -0.1% | 5,344,172 | $532.55M | $99.65 | No quote |
| 8 | BRK-B | Berkshire Hathaway - Cl B | 3.15% | Add +0.3% | 4,682,107 | $531.47M | $113.51 | No quote |
| 9 | AAP | Advance Auto Parts | 3.04% | Reduce -1.0% | 6,188,254 | $511.65M | $82.68 | No quote |
| 10 | ORLY | O Reilly Automotive Inc | 2.78% | Add +0.0% | 3,674,572 | $468.84M | $127.59 | No quote |
| 11 | MHK | Mohawk Industries | 2.26% | Reduce -23.2% | 2,926,547 | $381.18M | $130.25 | No quote |
| 12 | MA | Mastercard Inc | 2.19% | Reduce -0.5% | 547,585 | $368.4M | $672.78 | No quote |
| 13 | IBM | IBM | 1.65% | Reduce -0.1% | 1,503,173 | $278.36M | $185.18 | No quote |
| 14 | WKC | World Fuel Services Corp | 1.46% | Reduce -1.6% | 6,601,729 | $246.31M | No quote | No quote |
| 15 | PX | Praxair | 1.38% | Add +0.0% | 1,927,796 | $231.74M | No quote | No quote |
| 16 | WAT | Waters Corp | 1.33% | Reduce -0.1% | 2,116,927 | $224.84M | $106.21 | No quote |
| 17 | PRGO | Perrigo Co | 1.30% | Add +2.4% | 1,781,038 | $219.74M | $123.38 | No quote |
| 18 | V | Visa Inc Class A | 1.30% | Reduce -0.1% | 1,147,628 | $219.31M | $191.10 | No quote |
| 19 | RRC | Range Resources Corp | 1.30% | Reduce -4.2% | 2,881,450 | $218.67M | $75.89 | No quote |
| 20 | GS | Goldman Sachs Group Inc | 1.29% | Reduce -1.5% | 1,377,488 | $217.93M | $158.21 | No quote |
| 21 | SIRO | Sirona Dental Systems Inc | 1.17% | Reduce -0.0% | 2,954,817 | $197.77M | No quote | No quote |
| 22 | OMC | Omnicom Group | 1.11% | Reduce -0.3% | 2,955,727 | $187.51M | $63.44 | No quote |
| 23 | WMT | Wal-Mart Stores | 1.01% | Reduce -0.7% | 2,310,542 | $170.89M | $73.96 | No quote |
| 24 | TIF | Tiffany & Co | 0.99% | Reduce -0.0% | 2,171,601 | $166.39M | No quote | No quote |
| 25 | PRI | Primerica Inc | 0.89% | - | 3,720,625 | $150.09M | $40.34 | No quote |
| 26 | JEC | Jacobs Engineering Group Inc | 0.68% | Reduce -0.1% | 1,970,658 | $114.65M | No quote | No quote |
| 27 | AXP | American Express | 0.63% | Add +3.4% | 1,407,450 | $106.29M | $75.52 | No quote |
| 28 | DHR | Danaher Corp. | 0.61% | Add +0.0% | 1,489,687 | $103.27M | $69.32 | No quote |
| 29 | TRMB | Trimble Navigation Ltd. | 0.61% | Add +0.0% | 3,468,870 | $103.06M | $29.71 | No quote |
| 30 | RBA | Ritchie Bros Auctioneers Inc | 0.54% | Reduce -4.1% | 4,546,967 | $91.76M | No quote | No quote |
| 31 | BRO | Brown & Brown Inc. | 0.53% | Reduce -0.2% | 2,793,771 | $89.68M | $32.10 | No quote |
| 32 | COST | Costco Wholesale Corp | 0.51% | Reduce -0.2% | 742,898 | $85.56M | $115.17 | No quote |
| 33 | ORCL | Oracle Corp. | 0.44% | Add +194.7% | 2,246,918 | $74.53M | $33.17 | No quote |
| 34 | SWN | Southwestern Energy Co | 0.43% | Add +99.7% | 2,003,475 | $72.89M | No quote | No quote |
| 35 | CHK | Chesapeake Energy Corp | 0.40% | - | 2,605,605 | $67.43M | No quote | No quote |
| 36 | EME | Emcor Group Inc | 0.39% | Reduce -1.7% | 1,679,488 | $65.72M | $39.13 | No quote |
| 37 | IACID | IAC Interactivecorp | 0.39% | Add +200.0% | 1,200,010 | $65.61M | No quote | No quote |
| 38 | KO | Coca Cola Co. | 0.28% | Add +47.0% | 1,238,600 | $46.92M | $37.88 | No quote |
| 39 | WST | West Pharmaceutical Svcs Inc C | 0.26% | Add +92.6% | 1,080,813 | $44.48M | $41.15 | No quote |
| 40 | PXD | Pioneer Natural Resources Co. | 0.26% | Reduce -22.9% | 232,360 | $43.87M | No quote | No quote |
| 41 | WPX | WPX Energy Inc. | 0.23% | New | 2,000,000 | $38.52M | No quote | No quote |
| 42 | MHP | McGraw Hill | 0.20% | Add +13099.0% | 506,840 | $33.24M | No quote | No quote |
| 43 | IBKR | Interactive Brokers Group Inc | 0.19% | Add +243.4% | 1,736,264 | $32.59M | $18.77 | No quote |
| 44 | ATHN | Athenahealth Inc. | 0.19% | - | 300,000 | $32.58M | No quote | No quote |
| 45 | AON | Aon PLC | 0.19% | - | 426,650 | $31.76M | $74.44 | No quote |
| 46 | CFX | Colfax Corp | 0.17% | - | 503,400 | $28.44M | No quote | No quote |
| 47 | KFT | Mondelez International | 0.16% | Reduce -20.6% | 843,343 | $26.5M | No quote | No quote |
| 48 | CNQ | Canadian Natural Resources | 0.16% | Add +0.1% | 832,019 | $26.16M | $31.44 | No quote |
| 49 | QCOM | Qualcomm Inc | 0.12% | Add +0.1% | 301,282 | $20.28M | $67.32 | No quote |
| 50 | PEP | PepsiCo | 0.09% | Add +220.1% | 189,135 | $15.04M | $79.50 | No quote |
| 51 | EXPD | Expeditors Int'l of Wash. Inc. | 0.09% | Add +3.0% | 329,487 | $14.52M | $44.06 | No quote |
| 52 | PG | Procter & Gamble | 0.08% | Add +44.2% | 184,489 | $13.95M | $75.59 | No quote |
| 53 | MCD | McDonalds | 0.08% | Add +89.9% | 137,256 | $13.21M | $96.21 | No quote |
| 54 | GLRE | Greenlight Capital Re Ltd Cl A | 0.07% | - | 441,764 | $12.56M | No quote | No quote |
| 55 | CTSH | Cognizant Technology Solutions | 0.07% | Reduce -2.6% | 150,950 | $12.4M | $82.12 | No quote |
| 56 | UPL | Ultra Petroleum Corp. | 0.06% | - | 501,940 | $10.33M | No quote | No quote |
| 57 | GIS | General Mills | 0.06% | New | 200,447 | $9.61M | $47.92 | No quote |
| 58 | PM | Philip Morris Intl Inc. | 0.05% | - | 101,425 | $8.78M | $86.59 | No quote |
| 59 | LLTC | Linear Technology Group | 0.05% | Reduce -0.4% | 212,805 | $8.44M | No quote | No quote |
| 60 | GWAY | Greenway Medical Technologies | 0.05% | New | 396,690 | $8.19M | No quote | No quote |
| 61 | K | Kellogg Co. | 0.05% | New | 138,500 | $8.13M | No quote | No quote |
| 62 | MAN | Manpower | 0.05% | Reduce -81.9% | 109,023 | $7.93M | $72.74 | No quote |
| 63 | XOM | Exxon Mobil Corp | 0.05% | Reduce -0.1% | 91,401 | $7.86M | $86.04 | No quote |
| 64 | NVO | Novo Nordisk A/S ADR | 0.04% | Add +13.1% | 39,186 | $6.63M | $169.22 | No quote |
| 65 | KMB | Kimberly Clark | 0.04% | New | 70,300 | $6.62M | $94.22 | No quote |
| 66 | JNJ | Johnson & Johnson | 0.04% | Add +420.7% | 74,495 | $6.46M | $86.69 | No quote |
| 67 | CAT | Caterpillar | 0.03% | Reduce -0.0% | 70,511 | $5.88M | $83.41 | No quote |
| 68 | GE | General Electric | 0.03% | Add +0.0% | 243,191 | $5.81M | $23.89 | No quote |
| 69 | COP | ConocoPhillips | 0.03% | New | 79,834 | $5.55M | $69.51 | No quote |
| 70 | ESGR | Enstar Group Inc GA | 0.03% | Reduce -20.0% | 40,000 | $5.46M | No quote | No quote |
| 71 | ZTS | Zoetis Inc. | 0.03% | Add +768.0% | 173,973 | $5.41M | $31.12 | No quote |
| 72 | 5109REG | Pactera Technology Intl Ltd Sp | 0.03% | Reduce -8.6% | 914,500 | $5.39M | No quote | No quote |
| 73 | CRESY | Cresud SACIFYA Spon ADR Repstg | 0.03% | - | 605,247 | $5.28M | No quote | No quote |
| 74 | UNP | Union Pacific | 0.03% | Reduce -0.1% | 32,713 | $5.08M | $155.35 | No quote |
| 75 | REXI | Resource America Inc Cl A | 0.03% | Reduce -24.2% | 603,180 | $4.84M | No quote | No quote |
| 76 | SRMLF | Storm Resources Ltd. | 0.03% | - | 1,325,600 | $4.59M | No quote | No quote |
| 77 | DHX | Dice Holdings Inc | 0.03% | - | 500,000 | $4.26M | No quote | No quote |
| 78 | VRSK | Verisk Analytics Class A | 0.02% | Reduce -7.6% | 63,583 | $4.13M | $64.95 | No quote |
| 79 | PGR | Progressive Corp. Ohio | 0.02% | Add +0.4% | 139,013 | $3.79M | $27.23 | No quote |
| 80 | WFC | Wells Fargo & Co. New | 0.02% | Reduce -0.1% | 89,725 | $3.71M | $41.32 | No quote |
| 81 | DD | Du Pont E I De Nemours & Co. | 0.02% | Add +1246.7% | 55,955 | $3.28M | $58.56 | No quote |
| 82 | RY | Royal Bk CDA Montreal Que | 0.02% | New | 50,400 | $3.24M | No quote | No quote |
| 83 | DIS | Disney Walt | 0.02% | Add +0.6% | 49,422 | $3.19M | $64.49 | No quote |
| 84 | PAM | Pampa Hldgs SA Spon GDR Reg S | 0.02% | - | 605,980 | $3.03M | No quote | No quote |
| 85 | MO | Altria Group Inc | 0.02% | - | 85,624 | $2.94M | $34.35 | No quote |
| 86 | ICE | Intercontinental Exchange Ange | 0.01% | - | 13,430 | $2.44M | $181.38 | No quote |
| 87 | PSX | Phillips 66 | 0.01% | New | 40,355 | $2.33M | $57.81 | No quote |
| 88 | KWK | Quicksilver Resources Inc | 0.01% | - | 1,178,000 | $2.32M | No quote | No quote |
| 89 | COCO | Corinthian Colleges Inc | 0.01% | - | 1,000,000 | $2.2M | $2.20 | No quote |
| 90 | MSFT | Microsoft | 0.01% | Reduce -0.3% | 64,389 | $2.14M | $33.28 | No quote |
| 91 | FITB | Fifth Third Bancorp | 0.01% | - | 114,508 | $2.07M | $18.05 | No quote |
| 92 | DTV | DirectTV | 0.01% | Add +0.2% | 34,324 | $2.05M | No quote | No quote |
| 93 | HD | Home Depot | 0.01% | Add +1.7% | 26,953 | $2.04M | $75.84 | No quote |
| 94 | WPO | Washington Post - Class B | 0.01% | Reduce -24.9% | 3,248 | $1.99M | No quote | No quote |
| 95 | EIX | Edison International | 0.01% | Reduce -7.3% | 42,900 | $1.98M | No quote | No quote |
| 96 | RDSA | Royal Dutch Shell PLC Spon ADR | 0.01% | Reduce -2.9% | 27,104 | $1.78M | No quote | No quote |
| 97 | BITA | Bitauto Holdings LTD | 0.01% | Reduce -92.6% | 100,000 | $1.61M | No quote | No quote |
| 98 | LII | Lennox International Inc. | 0.01% | Reduce -3.6% | 20,209 | $1.52M | $75.26 | No quote |
| 99 | CVS | CVS Corp. | 0.01% | Add +7.3% | 25,929 | $1.47M | $56.73 | No quote |
| 100 | HTLD | Heartland Express | 0.01% | - | 101,057 | $1.43M | $14.19 | No quote |
| 101 | STI | Suntrust Banks | 0.01% | - | 31,203 | $1.01M | No quote | No quote |
| 102 | CNQR | Concur Technologies Inc | 0.01% | Reduce -97.1% | 8,974 | $992K | No quote | No quote |
| 103 | SHW | Sherwin Williams Co. | 0.01% | - | 5,307 | $967K | $182.21 | No quote |
| 104 | USB | U.S. Bancorp New - Del. | 0.01% | - | 26,264 | $961K | $36.59 | No quote |
| 105 | KRFT | Kraft Foods Group Inc. | 0.01% | Reduce -6.4% | 18,038 | $947K | No quote | No quote |
| 106 | JPM | JP Morgan Chase & Co. | 0.01% | Reduce -0.6% | 17,784 | $919K | $51.68 | No quote |
| 107 | AAPL | Apple Computer | 0.01% | Add +8.2% | 1,785 | $851K | $476.75 | No quote |
| 108 | TGT | Target Corp | 0.01% | Add +24.1% | 13,054 | $835K | $63.97 | No quote |
| 109 | CVX | ChevronTexaco Corp | 0.00% | Add +0.9% | 5,718 | $695K | $121.55 | No quote |
| 110 | AEP | American Electric Power | 0.00% | - | 15,300 | $663K | $43.33 | No quote |
| 111 | ACGL | Arch Capital Group Ltd | 0.00% | - | 11,988 | $649K | $54.14 | No quote |
| 112 | ROP | Roper Industries Inc New | 0.00% | - | 4,465 | $593K | $132.81 | No quote |
| 113 | HDB | HDFC Bank Ltd ADR Repstg 3 Shs | 0.00% | Reduce -0.1% | 18,291 | $563K | $30.78 | No quote |
| 114 | IEX | Idex Corp | 0.00% | - | 7,985 | $521K | $65.25 | No quote |
| 115 | LOW | Lowe's Companies | 0.00% | Add +12.5% | 10,364 | $493K | $47.57 | No quote |
| 116 | BBBYQ | Bed Bath & Beyond Inc | 0.00% | - | 6,030 | $466K | No quote | No quote |
| 117 | LUK | Leucadia Nat'l | 0.00% | - | 16,471 | $449K | No quote | No quote |
| 118 | RYAAY | Ryanair Hldgs PLC Spon ADR | 0.00% | Reduce -0.1% | 8,821 | $439K | $49.77 | No quote |
| 119 | ADP | Automatic Data Processing | 0.00% | - | 6,011 | $435K | $72.37 | No quote |
| 120 | RSG | Republic Services Inc Cl A | 0.00% | - | 12,775 | $426K | No quote | No quote |
| 121 | ESRX | Express Scripts Holding Co. | 0.00% | Add +3.5% | 5,957 | $368K | No quote | No quote |
| 122 | WPP | WPP PLC New ADR | 0.00% | - | 3,408 | $351K | No quote | No quote |
| 123 | SRCL | Stericycle Inc. | 0.00% | - | 3,000 | $346K | No quote | No quote |
| 124 | LMT | Lockheed Martin Corp. | 0.00% | - | 2,550 | $325K | $127.45 | No quote |
| 125 | CMCSK | Comcast Corp. Spl Cl A | 0.00% | - | 7,474 | $324K | No quote | No quote |
| 126 | INTC | Intel Corp | 0.00% | Reduce -1.1% | 13,732 | $315K | $22.94 | No quote |
| 127 | SEIC | SEI Investments Co | 0.00% | - | 10,000 | $309K | $30.90 | No quote |
| 128 | T | AT&T Inc | 0.00% | Add +60.2% | 9,052 | $306K | $33.80 | No quote |
| 129 | PFE | Pfizer | 0.00% | - | 10,422 | $299K | $28.69 | No quote |
| 130 | C | Citigroup Inc | 0.00% | Reduce -1.6% | 6,046 | $293K | $48.46 | No quote |
| 131 | TROW | Price T Rowe Group Inc | 0.00% | Reduce -1.6% | 4,045 | $291K | $71.94 | No quote |
| 132 | - | Verizon CommunicationsCUSIP 077853109 | 0.00% | Add +23.3% | 6,135 | $286K | No quote | No quote |
| 133 | EMR | Emerson Electric | 0.00% | Add +3.5% | 4,370 | $283K | $64.76 | No quote |
| 134 | DVN | Devon Energy Corporation New | 0.00% | - | 4,745 | $274K | $57.74 | No quote |
| 135 | RHI | Robert Half Internat'l | 0.00% | - | 7,000 | $273K | $39.00 | No quote |
| 136 | ENR | Energizer Holdings Inc | 0.00% | - | 2,782 | $254K | $91.30 | No quote |
| 137 | SLB | Schlumberger Ltd | 0.00% | New | 2,849 | $252K | $88.45 | No quote |
| 138 | BAC | Bank of America Corp | 0.00% | Reduce -1.2% | 17,432 | $241K | $13.83 | No quote |
| 139 | AMAT | Applied Materials | 0.00% | - | 13,692 | $240K | $17.53 | No quote |
| 140 | MMM | 3M Company | 0.00% | - | 1,958 | $234K | $119.51 | No quote |
| 141 | BP | BP Amoco PLC ADR | 0.00% | Reduce -3.7% | 5,548 | $233K | $42.00 | No quote |
| 142 | BDX | Becton Dickinson & Co. | 0.00% | - | 2,272 | $227K | $99.91 | No quote |
| 143 | CL | Colgate Palmolive Co. | 0.00% | Reduce -2.0% | 3,548 | $210K | $59.19 | No quote |
| 144 | TECH | Techne Corp | 0.00% | New | 2,540 | $203K | $79.92 | No quote |
| 145 | MEG | Media General - Class A | 0.00% | - | 10,000 | $143K | No quote | No quote |
| 158 | YBTVQ | Young Broadcasting Inc Cl A | 0.00% | - | 144,865 | $0 | No quote | No quote |
| 157 | TKR | Timken Co. | - | Sold | 0 | $0 | No quote | No quote |
| 156 | SLTM | Solta Med Inc. | - | Sold | 0 | $0 | No quote | No quote |
| 155 | NUOPRC | Nuveen Ohio Quality Income Mun | - | Sold | 0 | $0 | No quote | No quote |
| 154 | MOVE | Move Inc. | - | Sold | 0 | $0 | No quote | No quote |
| 153 | KMP | Kinder Morgan Energy Partners | - | Sold | 0 | $0 | No quote | No quote |
| 152 | HIW | Highwoods Properties Inc | - | Sold | 0 | $0 | No quote | No quote |
| 151 | DUK | Duke Energy Corporation -Hldg | - | Sold | 0 | $0 | No quote | No quote |
| 150 | CUZ | Cousins Properties Inc. | - | Sold | 0 | $0 | No quote | No quote |
| 149 | BUERF | Blue Earth Refineries | 0.00% | - | 15,000 | $0 | No quote | No quote |
| 148 | APA | Apache Corp | - | Sold | 0 | $0 | No quote | No quote |
| 147 | APEI | American Public Ed Inc | - | Sold | 0 | $0 | No quote | No quote |
| 146 | - | ***Jardine Matheson Hldgs (U$.CUSIP G50736100 | - | Sold | 0 | $0 | No quote | No quote |