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 100 of 154 rows. Rows without a quote are marked unavailable.
| 1 | VRX | Valeant Pharmaceuticals Intern | 20.49% | Add +4.3% | 35,375,610 | $3.6B | No quote | No quote |
| 2 | BRK/A | Berkshire Hathaway - Cl ACUSIP 084670108 | 10.38% | Reduce -2.1% | 9,212 | $1.82B | No quote | No quote |
| 3 | TJX | TJX Cos - New | 7.05% | Reduce -2.0% | 17,457,872 | $1.24B | $70.91 | No quote |
| 4 | PCP | Precision Castparts Corp | 6.26% | Add +33.9% | 4,732,708 | $1.1B | No quote | No quote |
| 5 | FAST | Fastenal Co | 5.49% | Reduce -1.8% | 23,607,163 | $963.64M | $40.82 | No quote |
| 6 | ORLY | O Reilly Automotive Inc | 5.11% | Reduce -1.3% | 3,536,791 | $896.29M | $253.42 | No quote |
| 7 | BRK/B | Berkshire Hathaway - Cl BCUSIP 084670702 | 3.69% | Reduce -0.1% | 4,910,840 | $648.43M | No quote | No quote |
| 8 | IDXX | Idexx Laboratories Corp. | 3.33% | Reduce -1.7% | 8,027,368 | $585.36M | $72.92 | No quote |
| 9 | MA | Mastercard Inc | 2.95% | Reduce -2.3% | 5,319,142 | $517.87M | $97.36 | No quote |
| 10 | MHK | Mohawk Industries | 2.94% | Reduce -2.3% | 2,722,754 | $515.66M | $189.39 | No quote |
| 11 | GOOG | Alphabet Inc. Cl C | 2.51% | Reduce -0.7% | 581,428 | $441.23M | $758.88 | No quote |
| 12 | GOOGL | Alphabet Inc Cl A | 2.30% | Reduce -3.2% | 519,685 | $404.32M | $778.01 | No quote |
| 13 | AGN | Allergan PLC | 1.93% | Reduce -1.6% | 1,085,870 | $339.33M | No quote | No quote |
| 14 | SIRO | Sirona Dental Systems Inc | 1.74% | Reduce -1.3% | 2,789,596 | $305.66M | No quote | No quote |
| 15 | WAT | Waters Corp | 1.53% | Reduce -2.1% | 1,995,247 | $268.52M | $134.58 | No quote |
| 16 | V | Visa Inc Class A | 1.46% | Reduce -0.7% | 3,314,535 | $257.04M | $77.55 | No quote |
| 17 | JEC | Jacobs Engineering Group Inc | 1.43% | Reduce -1.8% | 5,971,440 | $250.5M | No quote | No quote |
| 18 | OMC | Omnicom Group | 1.20% | Reduce -1.4% | 2,788,079 | $210.95M | $75.66 | No quote |
| 19 | PRGO | Perrigo Co PLC | 1.19% | Reduce -1.5% | 1,447,149 | $209.4M | $144.70 | No quote |
| 20 | WUBA | 58.com Inc ADR | 1.13% | Reduce -4.2% | 3,015,330 | $198.89M | No quote | No quote |
| 21 | PX | Praxair | 1.05% | Reduce -3.7% | 1,793,700 | $183.68M | No quote | No quote |
| 22 | CNSWF | Constellation Software Inc. | 1.03% | Reduce -0.2% | 435,954 | $181.07M | $415.35 | No quote |
| 23 | IBM | IBM | 0.98% | Reduce -8.3% | 1,246,612 | $171.56M | $137.62 | No quote |
| 24 | TIF | Tiffany & Co | 0.93% | Reduce -0.9% | 2,146,719 | $163.77M | No quote | No quote |
| 25 | CAB | Cabelas Inc. Cl A | 0.89% | Reduce -2.5% | 3,330,267 | $155.62M | No quote | No quote |
| 26 | RRC | Range Resources Corp | 0.83% | Add +0.0% | 5,909,755 | $145.44M | $24.61 | No quote |
| 27 | GS | Goldman Sachs Group Inc | 0.79% | Reduce -39.1% | 769,530 | $138.69M | $180.23 | No quote |
| 28 | PRI | Primerica Inc | 0.78% | - | 2,882,551 | $136.14M | $47.23 | No quote |
| 29 | DHR | Danaher Corp. | 0.75% | Reduce -1.5% | 1,425,206 | $132.37M | $92.88 | No quote |
| 30 | WMT | Wal-Mart Stores | 0.73% | Reduce -3.4% | 2,100,532 | $128.76M | $61.30 | No quote |
| 31 | COST | Costco Wholesale Corp | 0.68% | Reduce -3.2% | 740,722 | $119.63M | $161.50 | No quote |
| 32 | AXP | American Express | 0.54% | Reduce -1.3% | 1,361,001 | $94.66M | $69.55 | No quote |
| 33 | MON | Monsanto Co | 0.54% | Reduce -0.7% | 956,402 | $94.23M | No quote | No quote |
| 34 | EME | Emcor Group Inc | 0.44% | Reduce -1.8% | 1,595,487 | $76.65M | $48.04 | No quote |
| 35 | IACID | IAC Interactivecorp | 0.41% | Add +33.9% | 1,205,405 | $72.39M | No quote | No quote |
| 36 | TRMB | Trimble Navigation Ltd. | 0.40% | Reduce -2.2% | 3,251,927 | $69.75M | $21.45 | No quote |
| 37 | WST | West Pharmaceutical Svcs Inc C | 0.34% | Reduce -1.8% | 991,928 | $59.73M | $60.22 | No quote |
| 38 | YNDX | Yandex NV Shs | 0.32% | Reduce -0.6% | 3,603,523 | $56.65M | No quote | No quote |
| 39 | MMYT | Makemytrip Ltd | 0.28% | Add +12.1% | 2,813,802 | $48.29M | $17.16 | No quote |
| 40 | HXL | Hexcel Corp | 0.27% | Reduce -49.9% | 1,002,840 | $46.58M | $46.45 | No quote |
| 41 | BRO | Brown & Brown Inc. | 0.26% | Reduce -45.6% | 1,415,900 | $45.45M | $32.10 | No quote |
| 42 | IBKR | Interactive Brokers Group Inc | 0.25% | Reduce -0.1% | 1,001,923 | $43.68M | $43.60 | No quote |
| 43 | TPRE | Third Point Reinsurance LTD | 0.23% | - | 3,029,800 | $40.63M | No quote | No quote |
| 44 | ATHN | Athenahealth Inc. | 0.18% | - | 200,000 | $32.19M | No quote | No quote |
| 45 | KO | Coca Cola Co. | 0.16% | Reduce -1.1% | 672,185 | $28.88M | $42.96 | No quote |
| 46 | VIPS | Vipshop Hldgs Ltd ADR | 0.10% | Add +43.5% | 1,105,000 | $16.87M | $15.27 | No quote |
| 47 | PEP | PepsiCo | 0.09% | Reduce -13.7% | 160,292 | $16.02M | $99.92 | No quote |
| 48 | CNQ | Canadian Natural Resources | 0.09% | Reduce -3.2% | 728,973 | $15.91M | $21.83 | No quote |
| 49 | MCD | McDonalds | 0.08% | Reduce -9.4% | 123,999 | $14.65M | $118.14 | No quote |
| 50 | CFX | Colfax Corp | 0.07% | - | 501,400 | $11.71M | No quote | No quote |
| 51 | TWX | Time Warner Inc | 0.07% | Add +4302.2% | 179,523 | $11.61M | No quote | No quote |
| 52 | PG | Procter & Gamble | 0.06% | Reduce -20.0% | 127,366 | $10.11M | $79.41 | No quote |
| 53 | TWC | Time Warner Cable Inc. | 0.06% | Reduce -63.8% | 52,118 | $9.67M | No quote | No quote |
| 54 | MTCH | Match Group Inc. | 0.05% | New | 700,000 | $9.49M | $13.55 | No quote |
| 55 | GRPN | Groupon Inc. | 0.05% | Add +0.0% | 3,003,417 | $9.22M | No quote | No quote |
| 56 | PM | Philip Morris Intl Inc. | 0.05% | Reduce -0.2% | 90,990 | $8M | $87.91 | No quote |
| 57 | CRESY | Cresud SACIFYA Spon ADR Repstg | 0.04% | - | 612,147 | $7.9M | No quote | No quote |
| 58 | UNP | Union Pacific | 0.04% | - | 100,846 | $7.89M | $78.20 | No quote |
| 59 | WFC | Wells Fargo & Co. New | 0.04% | Reduce -38.4% | 144,700 | $7.87M | $54.36 | No quote |
| 60 | SFUN | Soufun Holdings LTD ADR | 0.04% | - | 1,008,500 | $7.45M | No quote | No quote |
| 61 | ZTS | Zoetis Inc. | 0.04% | Reduce -2.9% | 151,537 | $7.26M | $47.92 | No quote |
| 62 | GE | General Electric | 0.04% | Add +4.1% | 230,023 | $7.17M | $31.15 | No quote |
| 63 | JNJ | Johnson & Johnson | 0.04% | Reduce -15.2% | 64,753 | $6.65M | $102.71 | No quote |
| 64 | XOM | Exxon Mobil Corp | 0.04% | Reduce -3.9% | 83,134 | $6.48M | $77.95 | No quote |
| 65 | REXI | Resource America Inc Cl A | 0.03% | - | 897,297 | $5.5M | No quote | No quote |
| 66 | LLTC | Linear Technology Group | 0.03% | Reduce -5.3% | 120,046 | $5.1M | No quote | No quote |
| 67 | LKQ | LKQ Corp. | 0.03% | Reduce -19.0% | 162,000 | $4.8M | $29.63 | No quote |
| 68 | NVO | Novo Nordisk A/S ADR | 0.03% | - | 81,320 | $4.72M | $58.08 | No quote |
| 69 | CAT | Caterpillar | 0.03% | - | 68,479 | $4.65M | $67.96 | No quote |
| 70 | ALGN | Align Technology Inc. | 0.03% | Reduce -3.0% | 68,586 | $4.52M | $65.84 | No quote |
| 71 | VRSK | Verisk Analytics Class A | 0.03% | Reduce -0.9% | 58,211 | $4.48M | $76.88 | No quote |
| 72 | MO | Altria Group Inc | 0.03% | - | 76,574 | $4.46M | $58.21 | No quote |
| 73 | SVCTF | Senvest Capital Inc. | 0.02% | - | 35,000 | $3.89M | No quote | No quote |
| 74 | HD | Home Depot | 0.02% | - | 29,428 | $3.89M | $132.25 | No quote |
| 75 | DD | Du Pont E I De Nemours & Co. | 0.02% | - | 55,762 | $3.71M | $66.60 | No quote |
| 76 | COP | ConocoPhillips | 0.02% | - | 79,200 | $3.7M | $46.69 | No quote |
| 77 | LILAK | Liberty Lilac Group CL C | 0.02% | - | 85,150 | $3.66M | $42.99 | No quote |
| 78 | MSFT | Microsoft | 0.02% | Add +3.1% | 60,579 | $3.36M | $55.48 | No quote |
| 79 | ATHM | Autohome Inc ADR | 0.02% | New | 94,550 | $3.3M | No quote | No quote |
| 80 | PSX | Phillips 66 | 0.02% | - | 39,637 | $3.24M | $81.79 | No quote |
| 81 | T | AT&T Inc | 0.02% | Add +0.1% | 94,104 | $3.24M | $34.41 | No quote |
| 82 | EXPD | Expeditors Int'l of Wash. Inc. | 0.02% | Reduce -39.5% | 69,332 | $3.13M | $45.10 | No quote |
| 83 | YELP | Yelp Inc. | 0.02% | - | 107,700 | $3.1M | No quote | No quote |
| 84 | DIS | Disney Walt | 0.02% | Reduce -1.3% | 27,531 | $2.89M | $105.08 | No quote |
| 85 | RY | Royal Bk CDA Montreal Que | 0.02% | - | 50,400 | $2.7M | No quote | No quote |
| 86 | SLB | Schlumberger Ltd | 0.02% | Reduce -1.4% | 38,486 | $2.68M | $69.74 | No quote |
| 87 | EIX | Edison International | 0.01% | - | 42,900 | $2.54M | No quote | No quote |
| 88 | KFT | Mondelez International | 0.01% | - | 56,542 | $2.54M | No quote | No quote |
| 89 | FITB | Fifth Third Bancorp | 0.01% | Reduce -2.3% | 111,881 | $2.25M | $20.10 | No quote |
| 90 | CVS | CVS Corp. | 0.01% | Reduce -27.3% | 18,153 | $1.78M | $97.78 | No quote |
| 91 | HTLD | Heartland Express | 0.01% | - | 101,057 | $1.72M | $17.02 | No quote |
| 92 | PGR | Progressive Corp. Ohio | 0.01% | Reduce -9.1% | 49,798 | $1.58M | $31.81 | No quote |
| 93 | GHC | Graham Holdings Co. | 0.01% | Reduce -0.6% | 3,236 | $1.57M | $484.86 | No quote |
| 94 | LII | Lennox International Inc. | 0.01% | Reduce -33.7% | 12,527 | $1.57M | $124.93 | No quote |
| 95 | AAPL | Apple Computer | 0.01% | - | 14,316 | $1.51M | $105.27 | No quote |
| 96 | JPM | JP Morgan Chase & Co. | 0.01% | Reduce -5.0% | 22,350 | $1.48M | $66.04 | No quote |
| 97 | CABO | Cable One Inc. | 0.01% | Reduce -0.6% | 3,236 | $1.4M | $433.56 | No quote |
| 98 | SHW | Sherwin Williams Co. | 0.01% | - | 5,307 | $1.38M | $259.66 | No quote |
| 99 | STI | Suntrust Banks | 0.01% | - | 31,203 | $1.34M | No quote | No quote |
| 100 | KHC | Kraft Heinz Co. | 0.01% | - | 17,378 | $1.26M | $72.74 | No quote |
| 101 | HDB | HDFC Bank Ltd ADR Repstg 3 Shs | 0.01% | - | 18,328 | $1.13M | $61.60 | No quote |
| 102 | RDSA | Royal Dutch Shell PLC Spon ADR | 0.01% | - | 21,299 | $975K | No quote | No quote |
| 103 | USB | U.S. Bancorp New - Del. | 0.01% | Reduce -14.2% | 22,319 | $952K | $42.65 | No quote |
| 104 | AEP | American Electric Power | 0.01% | - | 15,485 | $902K | $58.25 | No quote |
| 105 | ROP | Roper Industries Inc New | 0.00% | - | 4,465 | $847K | $189.70 | No quote |
| 106 | AMG | Affiliated Managers Group Inc | 0.00% | New | 5,120 | $818K | $159.77 | No quote |
| 107 | LOW | Lowe's Companies Inc. | 0.00% | Add +8.8% | 10,311 | $784K | $76.04 | No quote |
| 108 | ACGL | Arch Capital Group Ltd | 0.00% | Reduce -11.2% | 9,488 | $662K | $69.77 | No quote |
| 109 | PSA | Public Storage Inc. | 0.00% | - | 2,493 | $618K | $247.89 | No quote |
| 110 | LMT | Lockheed Martin Corp. | 0.00% | Reduce -0.4% | 2,535 | $550K | $216.96 | No quote |
| 111 | RSG | Republic Services Inc Cl A | 0.00% | - | 12,198 | $537K | No quote | No quote |
| 112 | CVX | ChevronTexaco Corp | 0.00% | Add +15.6% | 5,940 | $534K | $89.90 | No quote |
| 113 | ADP | Automatic Data Processing | 0.00% | - | 6,238 | $528K | $84.64 | No quote |
| 114 | PXD | Pioneer Natural Resources Co. | 0.00% | - | 3,952 | $496K | No quote | No quote |
| 115 | CMCSA | Comcast Corp. Cl A | 0.00% | New | 8,777 | $495K | $56.40 | No quote |
| 116 | PFE | Pfizer | 0.00% | Add +31.4% | 14,850 | $479K | $32.26 | No quote |
| 117 | RYAAY | Ryanair Holdings PLC ADR | 0.00% | Reduce -32.1% | 5,424 | $469K | $86.47 | No quote |
| 118 | TMO | Thermo Electron | 0.00% | - | 2,873 | $408K | $142.01 | No quote |
| 119 | IEX | Idex Corp | 0.00% | - | 5,225 | $400K | $76.56 | No quote |
| 120 | SYA | Symetra Finl Corp | 0.00% | - | 12,500 | $397K | No quote | No quote |
| 121 | MDT | Medtronic PLC | 0.00% | - | 5,075 | $390K | $76.85 | No quote |
| 122 | ESRX | Express Scripts Holding Co. | 0.00% | Reduce -10.7% | 4,379 | $383K | No quote | No quote |
| 123 | MHP | McGraw Hill | 0.00% | - | 3,840 | $379K | No quote | No quote |
| 124 | SRCL | Stericycle Inc. | 0.00% | - | 3,000 | $362K | No quote | No quote |
| 125 | BAC | Bank of America Corp | 0.00% | - | 20,580 | $346K | $16.81 | No quote |
| 126 | RHI | Robert Half Internat'l | 0.00% | - | 7,000 | $330K | $47.14 | No quote |
| 127 | AMGN | Amgen | 0.00% | - | 2,017 | $327K | $162.12 | No quote |
| 128 | WPP | WPP PLC New ADR | 0.00% | - | 2,840 | $326K | No quote | No quote |
| 129 | C | Citigroup Inc | 0.00% | Reduce -1.1% | 5,948 | $308K | $51.78 | No quote |
| 130 | EMR | Emerson Electric | 0.00% | Add +24.5% | 6,232 | $298K | $47.82 | No quote |
| 131 | CB | Chubb | 0.00% | - | 2,222 | $295K | $132.76 | No quote |
| 132 | BBBYQ | Bed Bath & Beyond Inc | 0.00% | - | 6,075 | $293K | No quote | No quote |
| 133 | TROW | Price T Rowe Group Inc | 0.00% | - | 4,045 | $289K | $71.45 | No quote |
| 134 | LUK | Leucadia Nat'l | 0.00% | - | 16,471 | $286K | No quote | No quote |
| 135 | VZ | Verizon Communications | 0.00% | - | 5,756 | $266K | $46.21 | No quote |
| 136 | MRK | Merck & Co. | 0.00% | - | 4,994 | $264K | $52.86 | No quote |
| 137 | BA | Boeing | 0.00% | - | 1,790 | $259K | $144.69 | No quote |
| 138 | AMAT | Applied Materials | 0.00% | - | 13,692 | $256K | $18.70 | No quote |
| 139 | BMY | Bristol-Myers Squibb | 0.00% | - | 3,670 | $252K | $68.66 | No quote |
| 140 | CL | Colgate Palmolive Co. | 0.00% | - | 3,715 | $247K | $66.49 | No quote |
| 141 | TECH | Bio-Techne Corp | 0.00% | - | 2,540 | $229K | $90.16 | No quote |
| 142 | CC | Chemours Co. | 0.00% | - | 11,150 | $60K | No quote | No quote |
| 154 | YBTVQ | Young Broadcasting Inc Cl A | 0.00% | - | 144,865 | $0 | No quote | No quote |
| 153 | QIHU | Qihoo 360 Technology Co. ADR | - | Sold | 0 | $0 | No quote | No quote |
| 152 | MRC | MRC Global Inc. | - | Sold | 0 | $0 | No quote | No quote |
| 151 | KMI | Kinder Morgan Inc. | - | Sold | 0 | $0 | No quote | No quote |
| 150 | JMEI | Jumei International ADR | - | Sold | 0 | $0 | No quote | No quote |
| 149 | INDY | Ishares India 50 ETF | - | Sold | 0 | $0 | No quote | No quote |
| 148 | INWK | Innerworkings Inc Com | - | Sold | 0 | $0 | No quote | No quote |
| 147 | GLRE | Greenlight Capital Re Ltd Cl A | - | Sold | 0 | $0 | No quote | No quote |
| 146 | CMCSK | Comcast Corp. Spl Cl A | - | Sold | 0 | $0 | No quote | No quote |
| 145 | CTSH | Cognizant Technology Solutions | - | Sold | 0 | $0 | No quote | No quote |
| 144 | SAN | Banco Santander SA ADR | - | Sold | 0 | $0 | No quote | No quote |
| 143 | MMM | 3M Company | - | Sold | 0 | $0 | No quote | No quote |