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 94 of 156 rows. Rows without a quote are marked unavailable.
| 1 | BRK/A | Berkshire Hathaway - Cl ACUSIP 084670108 | 14.24% | Reduce -6.8% | 8,586 | $1.83B | No quote | No quote |
| 2 | TJX | TJX Cos - New | 9.85% | Reduce -7.3% | 16,183,648 | $1.27B | $78.35 | No quote |
| 3 | FAST | Fastenal Co | 7.01% | Reduce -22.0% | 18,412,172 | $902.2M | $49.00 | No quote |
| 4 | VRX | Valeant Pharmaceuticals Intern | 6.19% | Reduce -14.3% | 30,308,449 | $797.11M | No quote | No quote |
| 5 | ORLY | O Reilly Automotive Inc | 6.14% | Reduce -18.3% | 2,890,395 | $790.99M | $273.66 | No quote |
| 6 | BRK/B | Berkshire Hathaway - Cl BCUSIP 084670702 | 5.22% | Reduce -3.5% | 4,737,770 | $672.2M | No quote | No quote |
| 7 | IDXX | Idexx Laboratories Corp. | 4.67% | Reduce -4.5% | 7,668,176 | $600.57M | $78.32 | No quote |
| 8 | MHK | Mohawk Industries | 3.89% | Reduce -3.7% | 2,622,133 | $500.57M | $190.90 | No quote |
| 9 | MA | Mastercard Inc | 3.81% | Reduce -2.6% | 5,182,954 | $489.79M | $94.50 | No quote |
| 10 | GOOG | Alphabet Inc. Cl C | 2.78% | Reduce -17.5% | 479,665 | $357.33M | $744.95 | No quote |
| 11 | GOOGL | Alphabet Inc Cl A | 2.50% | Reduce -18.7% | 422,601 | $322.4M | $762.90 | No quote |
| 12 | XRAY | Dentsply Sirona Inc. | 2.32% | New | 4,843,324 | $298.49M | $61.63 | No quote |
| 13 | AGN | Allergan PLC | 2.14% | Reduce -5.5% | 1,025,555 | $274.88M | No quote | No quote |
| 14 | WAT | Waters Corp | 1.97% | Reduce -3.7% | 1,920,738 | $253.38M | $131.92 | No quote |
| 15 | JEC | Jacobs Engineering Group Inc | 1.93% | Reduce -4.3% | 5,713,337 | $248.82M | No quote | No quote |
| 16 | V | Visa Inc Class A | 1.89% | Reduce -4.2% | 3,176,837 | $242.96M | $76.48 | No quote |
| 17 | OMC | Omnicom Group | 1.74% | Reduce -3.6% | 2,686,613 | $223.61M | $83.23 | No quote |
| 18 | PX | Praxair | 1.54% | Reduce -3.3% | 1,733,744 | $198.43M | No quote | No quote |
| 19 | RRC | Range Resources Corp | 1.49% | Reduce 0.0% | 5,909,630 | $191.35M | $32.38 | No quote |
| 20 | PRGO | Perrigo Co PLC | 1.45% | Add +1.0% | 1,461,985 | $187.03M | $127.93 | No quote |
| 21 | WUBA | 58.com Inc ADR | 1.30% | Reduce -0.1% | 3,011,396 | $167.58M | No quote | No quote |
| 22 | TIF | Tiffany & Co | 1.18% | Reduce -3.3% | 2,075,900 | $152.33M | No quote | No quote |
| 23 | WMT | Wal-Mart Stores | 1.05% | Reduce -6.2% | 1,969,373 | $134.88M | $68.49 | No quote |
| 24 | DHR | Danaher Corp. | 1.02% | Reduce -3.3% | 1,378,586 | $130.77M | $94.86 | No quote |
| 25 | PRI | Primerica Inc | 1.00% | - | 2,882,551 | $128.36M | $44.53 | No quote |
| 26 | CAB | Cabelas Inc. Cl A | 0.99% | Reduce -21.4% | 2,616,239 | $127.39M | No quote | No quote |
| 27 | IBM | IBM | 0.87% | Reduce -40.5% | 742,244 | $112.41M | $151.45 | No quote |
| 28 | GS | Goldman Sachs Group Inc | 0.86% | Reduce -8.0% | 708,242 | $111.18M | $156.98 | No quote |
| 29 | COST | Costco Wholesale Corp | 0.85% | Reduce -6.4% | 693,177 | $109.23M | $157.58 | No quote |
| 30 | AXP | American Express | 0.61% | Reduce -6.2% | 1,277,020 | $78.41M | $61.40 | No quote |
| 31 | TRMB | Trimble Navigation Ltd. | 0.60% | Reduce -4.9% | 3,092,288 | $76.69M | $24.80 | No quote |
| 32 | EME | Emcor Group Inc | 0.57% | Reduce -4.6% | 1,522,781 | $74.01M | $48.60 | No quote |
| 33 | IAC | IAC Interactivecorp | 0.44% | New | 1,205,190 | $56.74M | $47.08 | No quote |
| 34 | YNDX | Yandex NV Shs | 0.43% | Reduce 0.0% | 3,603,475 | $55.21M | No quote | No quote |
| 35 | MON | Monsanto Co | 0.40% | Reduce -38.6% | 587,518 | $51.55M | No quote | No quote |
| 36 | MMYT | Makemytrip Ltd | 0.40% | - | 2,813,802 | $50.9M | $18.09 | No quote |
| 37 | BRO | Brown & Brown Inc. | 0.38% | Reduce -4.2% | 1,356,829 | $48.57M | $35.80 | No quote |
| 38 | JD | JD.com | 0.36% | New | 1,733,000 | $45.93M | $26.50 | No quote |
| 39 | CMG | Chipotle Mexican Grill Inc | 0.34% | New | 93,880 | $44.22M | $470.97 | No quote |
| 40 | IBKR | Interactive Brokers Group Inc | 0.31% | - | 1,001,923 | $39.4M | $39.32 | No quote |
| 41 | WST | West Pharmaceutical Svcs Inc C | 0.29% | Reduce -46.2% | 533,650 | $36.99M | $69.32 | No quote |
| 42 | TPRE | Third Point Reinsurance LTD | 0.27% | - | 3,029,800 | $34.45M | No quote | No quote |
| 43 | ATHN | Athenahealth Inc. | 0.22% | - | 200,000 | $27.76M | No quote | No quote |
| 44 | JPMWS | JP Morgan Chase & Co Exp 10/28 | 0.19% | New | 1,400,000 | $24.78M | No quote | No quote |
| 45 | CNQ | Canadian Natural Resources | 0.14% | Reduce -5.3% | 689,985 | $18.63M | $27.00 | No quote |
| 46 | VIPS | Vipshop Hldgs Ltd ADR | 0.12% | Add +11.3% | 1,230,000 | $15.84M | $12.88 | No quote |
| 47 | CFX | Colfax Corp | 0.11% | - | 501,400 | $14.34M | No quote | No quote |
| 48 | YELP | Yelp Inc. | 0.09% | Add +448.1% | 590,300 | $11.74M | No quote | No quote |
| 49 | TWX | Time Warner Inc | 0.09% | Reduce -14.1% | 154,280 | $11.19M | No quote | No quote |
| 50 | KO | Coca Cola Co. | 0.09% | Reduce -64.5% | 238,417 | $11.06M | $46.39 | No quote |
| 51 | DWRE | Demandware Inc. | 0.07% | New | 233,130 | $9.12M | No quote | No quote |
| 52 | PM | Philip Morris Intl Inc. | 0.07% | Reduce -1.2% | 89,869 | $8.82M | $98.11 | No quote |
| 53 | MCD | McDonalds | 0.07% | Reduce -45.0% | 68,246 | $8.58M | $125.68 | No quote |
| 54 | PG | Procter & Gamble | 0.06% | Reduce -23.2% | 97,819 | $8.05M | $82.31 | No quote |
| 55 | MTCH | Match Group Inc. | 0.06% | Add +0.2% | 701,250 | $7.76M | $11.06 | No quote |
| 56 | CRESY | Cresud SACIFYA Spon ADR Repstg | 0.06% | - | 612,147 | $7.13M | No quote | No quote |
| 57 | TWC | Time Warner Cable Inc. | 0.05% | Reduce -35.1% | 33,817 | $6.92M | No quote | No quote |
| 58 | GE | General Electric | 0.05% | Reduce -7.1% | 213,603 | $6.79M | $31.79 | No quote |
| 59 | XOM | Exxon Mobil Corp | 0.05% | Reduce -6.5% | 77,716 | $6.5M | $83.59 | No quote |
| 60 | LBTYA | Liberty Global PLC Shrs CL A | 0.05% | New | 163,073 | $6.28M | $38.50 | No quote |
| 61 | SFUN | Soufun Holdings LTD ADR | 0.05% | - | 1,008,500 | $6.04M | No quote | No quote |
| 62 | ZTS | Zoetis Inc. | 0.04% | Reduce -16.3% | 126,783 | $5.62M | $44.33 | No quote |
| 63 | NVO | Novo Nordisk A/S ADR | 0.04% | Add +19.9% | 97,525 | $5.29M | $54.19 | No quote |
| 64 | CAT | Caterpillar | 0.04% | Reduce -0.2% | 68,356 | $5.23M | $76.54 | No quote |
| 65 | UNP | Union Pacific | 0.04% | Reduce -35.1% | 65,426 | $5.21M | $79.56 | No quote |
| 66 | REXI | Resource America Inc Cl A | 0.04% | - | 897,297 | $5.18M | No quote | No quote |
| 67 | LKQ | LKQ Corp. | 0.04% | - | 162,000 | $5.17M | $31.93 | No quote |
| 68 | LLTC | Linear Technology Group | 0.04% | Reduce -7.6% | 110,899 | $4.94M | No quote | No quote |
| 69 | MO | Altria Group Inc | 0.04% | Reduce -0.4% | 76,284 | $4.78M | $62.66 | No quote |
| 70 | PEP | PepsiCo | 0.04% | Reduce -72.2% | 44,578 | $4.57M | $102.47 | No quote |
| 71 | WFC | Wells Fargo & Co. New | 0.03% | Reduce -36.2% | 92,300 | $4.46M | $48.36 | No quote |
| 72 | VRSK | Verisk Analytics Class A | 0.03% | Reduce -4.3% | 55,719 | $4.45M | $79.92 | No quote |
| 73 | ALGN | Align Technology Inc. | 0.03% | Reduce -20.6% | 54,433 | $3.96M | $72.69 | No quote |
| 74 | LNKD | Linkedin Corp Cl A | 0.03% | New | 31,425 | $3.59M | No quote | No quote |
| 75 | T | AT&T Inc | 0.03% | Reduce -4.3% | 90,085 | $3.53M | $39.17 | No quote |
| 76 | HD | Home Depot | 0.03% | Reduce -10.3% | 26,403 | $3.52M | $133.43 | No quote |
| 77 | OZM | Och Ziff Capital Management Gr | 0.03% | New | 750,000 | $3.26M | No quote | No quote |
| 78 | LILAK | Liberty Lilac Group CL C | 0.03% | - | 85,150 | $3.23M | $37.87 | No quote |
| 79 | MSFT | Microsoft | 0.02% | Reduce -4.4% | 57,904 | $3.2M | $55.23 | No quote |
| 80 | EIX | Edison International | 0.02% | - | 42,900 | $3.08M | No quote | No quote |
| 81 | ATHM | Autohome Inc ADR | 0.02% | Add +6.3% | 100,550 | $2.81M | No quote | No quote |
| 82 | AMG | Affiliated Managers Group Inc | 0.02% | Add +237.3% | 17,268 | $2.8M | $162.38 | No quote |
| 83 | SLB | Schlumberger Ltd | 0.02% | Reduce -7.2% | 35,713 | $2.63M | $73.75 | No quote |
| 84 | DIS | Disney Walt | 0.02% | Reduce -6.7% | 25,686 | $2.55M | $99.31 | No quote |
| 85 | EXPD | Expeditors Int'l of Wash. Inc. | 0.02% | Reduce -27.5% | 50,289 | $2.46M | $48.82 | No quote |
| 86 | FNMA | Federal National Mortgage Assn | 0.02% | New | 1,651,820 | $2.31M | No quote | No quote |
| 87 | KFT | Mondelez International | 0.02% | Reduce -4.7% | 53,882 | $2.16M | No quote | No quote |
| 88 | FMCC | Federal Home Loan Mortgage Cor | 0.02% | New | 1,500,000 | $2.01M | No quote | No quote |
| 89 | HTLD | Heartland Express | 0.01% | - | 101,057 | $1.88M | $18.55 | No quote |
| 90 | FITB | Fifth Third Bancorp | 0.01% | - | 111,881 | $1.87M | $16.69 | No quote |
| 91 | PGR | Progressive Corp. Ohio | 0.01% | - | 49,798 | $1.75M | $35.14 | No quote |
| 92 | CVS | CVS Corp. | 0.01% | Reduce -12.0% | 15,981 | $1.66M | $103.75 | No quote |
| 93 | GHC | Graham Holdings Co. | 0.01% | Reduce -0.3% | 3,228 | $1.55M | $479.86 | No quote |
| 94 | JNJ | Johnson & Johnson | 0.01% | Reduce -78.5% | 13,925 | $1.51M | $108.22 | No quote |
| 95 | LII | Lennox International Inc. | 0.01% | Reduce -12.7% | 10,938 | $1.48M | $135.22 | No quote |
| 96 | CABO | Cable One Inc. | 0.01% | Reduce -0.3% | 3,228 | $1.41M | $437.11 | No quote |
| 97 | KHC | Kraft Heinz Co. | 0.01% | Reduce -0.4% | 17,301 | $1.36M | $78.55 | No quote |
| 98 | AAPL | Apple Computer | 0.01% | Reduce -24.9% | 10,746 | $1.17M | $108.97 | No quote |
| 99 | STI | Suntrust Banks | 0.01% | Reduce -0.9% | 30,906 | $1.12M | No quote | No quote |
| 100 | JPM | JP Morgan Chase & Co. | 0.01% | Reduce -16.7% | 18,625 | $1.1M | $59.22 | No quote |
| 101 | AEP | American Electric Power | 0.01% | - | 15,485 | $1.03M | $66.39 | No quote |
| 102 | HDB | HDFC Bank Ltd ADR Repstg 3 Shs | 0.01% | Reduce -12.4% | 16,047 | $989K | $61.63 | No quote |
| 103 | RDSA | Royal Dutch Shell PLC Spon ADR | 0.01% | Reduce -16.2% | 17,848 | $865K | No quote | No quote |
| 104 | USB | U.S. Bancorp New - Del. | 0.01% | Reduce -5.6% | 21,064 | $855K | $40.59 | No quote |
| 105 | LOW | Lowe's Companies Inc. | 0.01% | Reduce -10.8% | 9,194 | $696K | $75.70 | No quote |
| 106 | PSA | Public Storage Inc. | 0.01% | Reduce -0.0% | 2,492 | $687K | $275.68 | No quote |
| 107 | SHW | Sherwin Williams Co. | 0.01% | Reduce -54.7% | 2,402 | $684K | $284.76 | No quote |
| 108 | ACGL | Arch Capital Group Ltd | 0.01% | - | 9,488 | $675K | $71.14 | No quote |
| 109 | WWD | Woodward Inc | 0.00% | New | 10,401 | $541K | $52.01 | No quote |
| 110 | LMT | Lockheed Martin Corp. | 0.00% | Reduce -5.9% | 2,385 | $528K | $221.38 | No quote |
| 111 | CMCSA | Comcast Corp. Cl A | 0.00% | Reduce -2.8% | 8,532 | $521K | $61.06 | No quote |
| 112 | RYAAY | Ryanair Holdings PLC ADR | 0.00% | Reduce -0.0% | 5,422 | $465K | $85.76 | No quote |
| 113 | ADP | Automatic Data Processing | 0.00% | Reduce -25.0% | 4,678 | $420K | $89.78 | No quote |
| 114 | CVX | ChevronTexaco Corp | 0.00% | Reduce -27.5% | 4,305 | $411K | $95.47 | No quote |
| 115 | PXD | Pioneer Natural Resources Co. | 0.00% | Reduce -29.1% | 2,802 | $394K | No quote | No quote |
| 116 | MHP | McGraw Hill | 0.00% | - | 3,840 | $380K | No quote | No quote |
| 117 | SRCL | Stericycle Inc. | 0.00% | - | 3,000 | $379K | No quote | No quote |
| 118 | PFE | Pfizer | 0.00% | Reduce -16.2% | 12,442 | $369K | $29.66 | No quote |
| 119 | WPP | WPP PLC New ADR | 0.00% | - | 2,840 | $331K | No quote | No quote |
| 120 | RHI | Robert Half Internat'l | 0.00% | - | 7,000 | $326K | $46.57 | No quote |
| 121 | ROP | Roper Industries Inc New | 0.00% | Reduce -63.4% | 1,635 | $299K | $182.87 | No quote |
| 122 | BBBYQ | Bed Bath & Beyond Inc | 0.00% | Reduce -1.2% | 6,000 | $298K | No quote | No quote |
| 123 | MDT | Medtronic PLC | 0.00% | Reduce -23.3% | 3,895 | $292K | $74.97 | No quote |
| 124 | AMAT | Applied Materials | 0.00% | Reduce -0.4% | 13,632 | $289K | $21.20 | No quote |
| 125 | LUK | Leucadia Nat'l | 0.00% | - | 16,471 | $266K | No quote | No quote |
| 126 | CL | Colgate Palmolive Co. | 0.00% | - | 3,715 | $262K | $70.52 | No quote |
| 127 | MRK | Merck & Co. | 0.00% | Reduce -2.0% | 4,894 | $259K | $52.92 | No quote |
| 128 | DD | Du Pont E I De Nemours & Co. | 0.00% | Reduce -93.0% | 3,912 | $248K | $63.39 | No quote |
| 129 | EMR | Emerson Electric | 0.00% | Reduce -28.7% | 4,443 | $242K | $54.47 | No quote |
| 130 | ED | Consolidated Edison Inc. | 0.00% | New | 2,974 | $228K | No quote | No quote |
| 131 | VZ | Verizon Communications | 0.00% | Reduce -28.4% | 4,121 | $223K | $54.11 | No quote |
| 132 | TROW | Price T Rowe Group Inc | 0.00% | Reduce -32.3% | 2,740 | $201K | $73.36 | No quote |
| 133 | BAC | Bank of America Corp | 0.00% | Reduce -47.5% | 10,807 | $146K | $13.51 | No quote |
| 156 | YBTVQ | Young Broadcasting Inc Cl A | - | Sold | 0 | $0 | No quote | No quote |
| 155 | TMO | Thermo Electron | - | Sold | 0 | $0 | No quote | No quote |
| 154 | SYA | Symetra Finl Corp | - | Sold | 0 | $0 | No quote | No quote |
| 153 | SIRO | Sirona Dental Systems Inc | - | Sold | 0 | $0 | No quote | No quote |
| 152 | SVCTF | Senvest Capital Inc. | - | Sold | 0 | $0 | No quote | No quote |
| 151 | RY | Royal Bk CDA Montreal Que | - | Sold | 0 | $0 | No quote | No quote |
| 150 | RSG | Republic Services Inc Cl A | - | Sold | 0 | $0 | No quote | No quote |
| 149 | PCP | Precision Castparts Corp | - | Sold | 0 | $0 | No quote | No quote |
| 148 | PSX | Phillips 66 | - | Sold | 0 | $0 | No quote | No quote |
| 147 | IEX | Idex Corp | - | Sold | 0 | $0 | No quote | No quote |
| 146 | IACID | IAC Interactivecorp | - | Sold | 0 | $0 | No quote | No quote |
| 145 | HXL | Hexcel Corp | - | Sold | 0 | $0 | No quote | No quote |
| 144 | GRPN | Groupon Inc. | - | Sold | 0 | $0 | No quote | No quote |
| 143 | ESRX | Express Scripts Holding Co. | - | Sold | 0 | $0 | No quote | No quote |
| 142 | CNSWF | Constellation Software Inc. | - | Sold | 0 | $0 | No quote | No quote |
| 141 | COP | ConocoPhillips | - | Sold | 0 | $0 | No quote | No quote |
| 140 | C | Citigroup Inc | - | Sold | 0 | $0 | No quote | No quote |
| 139 | CB | Chubb | - | Sold | 0 | $0 | No quote | No quote |
| 138 | CC | Chemours Co. | - | Sold | 0 | $0 | No quote | No quote |
| 137 | BMY | Bristol-Myers Squibb | - | Sold | 0 | $0 | No quote | No quote |
| 136 | BA | Boeing | - | Sold | 0 | $0 | No quote | No quote |
| 135 | TECH | Bio-Techne Corp | - | Sold | 0 | $0 | No quote | No quote |
| 134 | AMGN | Amgen | - | Sold | 0 | $0 | No quote | No quote |