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 24 of 35 rows. Rows without a quote are marked unavailable.
| 1 | ADBE | ADOBE INC | 6.86% | Reduce -17.3% | 3,743,938 | $1.1B | $294.65 | No quote |
| 2 | BABA | ALIBABA GROUP HLDG LTD | 6.19% | Add +4.2% | 5,875,662 | $995.63M | $169.45 | No quote |
| 3 | IQV | IQVIA HLDGS INC | 6.19% | Reduce -19.8% | 6,185,907 | $995.31M | $160.90 | No quote |
| 4 | MSFT | MICROSOFT CORP | 6.15% | Reduce -18.3% | 7,384,511 | $989.23M | $133.96 | No quote |
| 5 | UNH | UNITEDHEALTH GROUP INC | 5.72% | Add +5.5% | 3,772,254 | $920.47M | $244.01 | No quote |
| 6 | AMZN | AMAZON COM INC | 5.49% | Reduce -28.4% | 466,511 | $883.4M | $1893.63 | No quote |
| 7 | UNP | UNION PACIFIC CORP | 5.18% | Add +48.8% | 4,930,899 | $833.86M | $169.11 | No quote |
| 8 | TDG | TRANSDIGM GROUP INC | 4.77% | Reduce -4.6% | 1,585,504 | $767.07M | $483.80 | No quote |
| 9 | WYNN | WYNN RESORTS LTD | 4.17% | Reduce -9.2% | 5,406,697 | $670.38M | $123.99 | No quote |
| 10 | ADSK | AUTODESK INC | 4.04% | Add +16.0% | 3,989,892 | $649.95M | $162.90 | No quote |
| 11 | CP | CANADIAN PAC RY LTD | 3.96% | Reduce -15.9% | 2,706,006 | $636.56M | $235.24 | No quote |
| 12 | TIF | TIFFANY & CO NEW | 3.82% | Reduce -3.0% | 6,570,002 | $615.22M | No quote | No quote |
| 13 | BKNG | BOOKING HLDGS INC | 3.75% | - | 321,396 | $602.52M | $1874.71 | No quote |
| 14 | META | FACEBOOK INC | 3.60% | Reduce -38.0% | 3,002,136 | $579.41M | $193.00 | No quote |
| 15 | DHI | D R HORTON INC | 3.33% | Add +89.3% | 12,430,413 | $536.12M | $43.13 | No quote |
| 16 | ATVI | ACTIVISION BLIZZARD INC | 3.03% | New | 10,324,534 | $487.32M | No quote | No quote |
| 17 | SHOP | SHOPIFY INC | 2.80% | Add +3656.9% | 1,502,771 | $451.06M | $300.15 | No quote |
| 18 | CRM | SALESFORCE COM INC | 2.77% | Add +50.1% | 2,941,733 | $446.35M | $151.73 | No quote |
| 19 | MA | MASTERCARD INC | 2.75% | Reduce -40.1% | 1,670,957 | $442.02M | $264.53 | No quote |
| 20 | SPGI | S&P GLOBAL INC | 2.73% | Reduce -37.5% | 1,930,511 | $439.75M | $227.79 | No quote |
| 21 | NOW | SERVICENOW INC | 2.24% | Reduce -23.1% | 1,311,525 | $360.11M | $274.57 | No quote |
| 22 | DPZ | DOMINOS PIZZA INC | 2.16% | New | 1,247,255 | $347.09M | $278.28 | No quote |
| 23 | MELI | MERCADOLIBRE INC | 1.81% | Reduce -28.6% | 476,373 | $291.43M | $611.77 | No quote |
| 24 | SQ | SQUARE INC | 1.49% | Add +2662.4% | 3,314,831 | $240.43M | No quote | No quote |
| 25 | SE | SEA LTD | 1.27% | Reduce -15.6% | 6,134,122 | $203.78M | $33.22 | No quote |
| 26 | WWE | WORLD WRESTLING ENTMT INC | 1.21% | Add +1613.8% | 2,692,308 | $194.41M | No quote | No quote |
| 27 | UBER | UBER TECHNOLOGIES INC | 0.78% | New | 3,001,420 | $125.2M | $41.71 | No quote |
| 28 | CHWY | CHEWY INC | 0.72% | New | 3,292,923 | $115.25M | $35.00 | No quote |
| 29 | COUP | COUPA SOFTWARE INC | 0.51% | New | 652,824 | $82.65M | No quote | No quote |
| 30 | STNE | STONECO LTD | 0.47% | Add +21.6% | 2,528,303 | $74.79M | No quote | No quote |
| 31 | TEAM | ATLASSIAN CORP PLC | 0.03% | New | 37,900 | $4.96M | No quote | No quote |
| 35 | TRU | TRANSUNION | - | Sold | 0 | $0 | No quote | No quote |
| 34 | CSX | CSX CORP | - | Sold | 0 | $0 | No quote | No quote |
| 33 | STZ | CONSTELLATION BRANDS INC | - | Sold | 0 | $0 | No quote | No quote |
| 32 | GOOG | ALPHABET INC | - | Sold | 0 | $0 | No quote | No quote |