Stephen Mandel - Lone Pine Capital
As of Q2 2026, Stephen Mandel reported 34 long-equity positions worth $16.36B in aggregate.
Copy-investor backtest
- Latest quarter
- +4.81%
- 1-year
- +0.17%
- 3-year
- +87.28%
- 5-year
- +14.37%
- 3-year vs S&P 500
- +14.05%
- 5-year vs S&P 500
- -59.31%
- 5-year top 5
- +11.49%
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 32 of 57 rows. Rows without a quote are marked unavailable.
| 1 | MA | MASTERCARD INC | 7.24% | Add +32.8% | 20,030,460 | $1.73B | $86.16 | No quote |
| 2 | BIDU | BAIDU INC | 6.72% | Reduce -14.1% | 7,030,580 | $1.6B | $227.97 | No quote |
| 3 | PCLN | PRICELINE GRP INC | 6.68% | Add +91.7% | 1,398,233 | $1.59B | No quote | No quote |
| 4 | VRX | VALEANT PHARMACEUTICALS INTL | 4.95% | Reduce -24.9% | 8,250,886 | $1.18B | No quote | No quote |
| 5 | META | FACEBOOK INC | 4.42% | Add +56.3% | 13,502,615 | $1.05B | $78.02 | No quote |
| 6 | FLT | FLEETCOR TECHNOLOGIES INC | 4.01% | Reduce -2.3% | 6,435,620 | $957.04M | No quote | No quote |
| 7 | DG | DOLLAR GEN CORP NEW | 3.83% | Add +38.8% | 12,918,112 | $913.31M | $70.70 | No quote |
| 8 | ADBE | ADOBE SYS INC | 3.71% | Add +6.2% | 12,179,247 | $885.43M | $72.70 | No quote |
| 9 | EQIX | EQUINIX INC | 3.70% | Add +46.9% | 3,890,489 | $882.09M | $226.73 | No quote |
| 10 | ADSK | AUTODESK INC | 3.64% | Add +228.6% | 14,463,336 | $868.67M | $60.06 | No quote |
| 11 | KORS | MICHAEL KORS HLDGS LTD | 3.49% | Reduce -30.6% | 11,075,555 | $831.77M | No quote | No quote |
| 12 | SBAC | SBA COMMUNICATIONS CORP | 3.39% | Reduce -15.9% | 7,293,202 | $807.8M | $110.76 | No quote |
| 13 | CP | CANADIAN PAC RY LTD | 2.90% | Add +2.2% | 3,585,666 | $690.92M | $192.69 | No quote |
| 14 | MHP | MCGRAW HILL FINL INC | 2.75% | Reduce -32.0% | 7,369,142 | $655.71M | No quote | No quote |
| 15 | TIF | TIFFANY & CO NEW | 2.71% | Reduce -11.8% | 6,047,197 | $646.2M | No quote | No quote |
| 16 | CTSH | COGNIZANT TECHNOLOGY SOLUTIO | 2.70% | Reduce -32.3% | 12,229,864 | $644.02M | $52.66 | No quote |
| 17 | LNG | CHENIERE ENERGY INC | 2.60% | Add +27.7% | 8,818,922 | $620.85M | No quote | No quote |
| 18 | CHTR | CHARTER COMMUNICATIONS INC D | 2.28% | Add +5.3% | 3,269,032 | $544.69M | $166.62 | No quote |
| 19 | V | VISA INC | 1.95% | New | 1,771,519 | $464.49M | $262.20 | No quote |
| 20 | HOUS | REALOGY HLDGS CORP | 1.94% | Reduce -23.8% | 10,406,478 | $462.98M | No quote | No quote |
| 21 | HCA | HCA HOLDINGS INC | 1.80% | New | 5,836,872 | $428.37M | $73.39 | No quote |
| 22 | ULTA | ULTA SALON COSMETCS & FRAG I | 1.79% | Reduce -35.7% | 3,344,991 | $427.62M | $127.84 | No quote |
| 23 | MHK | MOHAWK INDS INC | 1.61% | Reduce -20.2% | 2,466,482 | $383.19M | $155.36 | No quote |
| 24 | TDG | TRANSDIGM GROUP INC | 1.47% | - | 1,786,836 | $350.85M | $196.35 | No quote |
| 25 | WBA | WALGREENS BOOTS ALLIANCE INC | 1.33% | New | 4,153,779 | $316.52M | No quote | No quote |
| 26 | JAZZ | JAZZ PHARMACEUTICALS PLC | 1.29% | Add +5.3% | 1,883,654 | $308.41M | $163.73 | No quote |
| 27 | ICE | INTERCONTINENTAL EXCHANGE IN | 1.27% | Reduce -11.1% | 1,382,789 | $303.23M | $219.29 | No quote |
| 28 | DVA | DAVITA HEALTHCARE PARTNERS I | 1.25% | New | 3,940,169 | $298.43M | $75.74 | No quote |
| 29 | COO | COOPER COS INC | 1.19% | New | 1,750,283 | $283.7M | $162.09 | No quote |
| 30 | GRA | GRACE W R & CO DEL NEW | 1.16% | New | 2,902,557 | $276.87M | No quote | No quote |
| 31 | HUM | HUMANA INC | 1.15% | Reduce -12.1% | 1,911,536 | $274.55M | $143.63 | No quote |
| 32 | VIPS | VIPSHOP HLDGS LTD | 1.14% | New | 13,935,727 | $272.3M | $19.54 | No quote |
| 33 | NFLX | NETFLIX INC | 1.12% | New | 779,647 | $266.34M | $341.61 | No quote |
| 34 | MSFT | MICROSOFT CORP | 1.06% | Reduce -75.6% | 5,449,944 | $253.15M | $46.45 | No quote |
| 35 | AAPL | APPLE INC | 1.01% | New | 2,184,122 | $241.08M | $110.38 | No quote |
| 36 | JD | JD COM INC | 0.86% | New | 8,817,652 | $204.04M | $23.14 | No quote |
| 37 | 06742E | BARCLAYS BK PLC | 0.83% | - | 6,300,000 | $198.51M | No quote | No quote |
| 38 | SWI | SOLARWINDS INC | 0.50% | Reduce -63.4% | 2,386,428 | $118.92M | No quote | No quote |
| 39 | CDK | CDK GLOBAL INC | 0.49% | New | 2,894,255 | $117.97M | No quote | No quote |
| 40 | UAA | UNDER ARMOUR INC | 0.44% | Reduce -65.5% | 1,560,114 | $105.93M | $67.90 | No quote |
| 41 | INTC | INTEL CORP | 0.35% | - | 2,320,000 | $84.19M | $36.29 | No quote |
| 42 | ANET | ARISTA NETWORKS INC | 0.34% | Add +83.5% | 1,325,646 | $80.55M | $60.76 | No quote |
| 43 | SHLD | SEARS HLDGS CORP | 0.30% | Reduce -27.6% | 2,163,100 | $71.34M | No quote | No quote |
| 44 | CVLT | COMMVAULT SYSTEMS INC | 0.29% | New | 1,321,288 | $68.3M | $51.69 | No quote |
| 45 | WDAY | WORKDAY INC | 0.18% | Reduce -85.0% | 527,482 | $43.05M | $81.61 | No quote |
| 46 | WYNN | WYNN RESORTS LTD | 0.18% | Reduce -89.8% | 285,023 | $42.4M | $148.76 | No quote |
| 57 | WSM | WILLIAMS SONOMA INC | - | Sold | 0 | $0 | No quote | No quote |
| 56 | TRIP | TRIPADVISOR INC | - | Sold | 0 | $0 | No quote | No quote |
| 55 | TWX | TIME WARNER INC | - | Sold | 0 | $0 | No quote | No quote |
| 54 | SAVE | SPIRIT AIRLS INC | - | Sold | 0 | $0 | No quote | No quote |
| 53 | LPLA | LPL FINL HLDGS INC | - | Sold | 0 | $0 | No quote | No quote |
| 52 | LBTYK | LIBERTY GLOBAL PLC | - | Sold | 0 | $0 | No quote | No quote |
| 51 | GPS | GAP INC DEL | - | Sold | 0 | $0 | No quote | No quote |
| 50 | CCI | CROWN CASTLE INTL CORP | - | Sold | 0 | $0 | No quote | No quote |
| 49 | CMCSA | COMCAST CORP NEW | - | Sold | 0 | $0 | No quote | No quote |
| 48 | ACTZZZZ | ACTAVIS PLC | - | Sold | 0 | $0 | No quote | No quote |
| 47 | ABBV | ABBVIE INC | - | Sold | 0 | $0 | No quote | No quote |