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 25 of 32 rows. Rows without a quote are marked unavailable.
| 1 | ADBE | ADOBE INC | 7.05% | Reduce -11.7% | 4,528,199 | $1.21B | $266.49 | No quote |
| 2 | AMZN | AMAZON COM INC | 6.78% | Reduce -12.1% | 651,661 | $1.16B | $1780.75 | No quote |
| 3 | IQV | IQVIA HLDGS INC | 6.48% | - | 7,708,139 | $1.11B | $143.85 | No quote |
| 4 | MSFT | MICROSOFT CORP | 6.23% | Reduce -10.5% | 9,035,031 | $1.07B | $117.94 | No quote |
| 5 | BABA | ALIBABA GROUP HLDG LTD | 6.02% | Reduce -9.2% | 5,640,334 | $1.03B | $182.45 | No quote |
| 6 | UNH | UNITEDHEALTH GROUP INC | 5.17% | - | 3,574,718 | $883.89M | $247.26 | No quote |
| 7 | STZ | CONSTELLATION BRANDS INC | 5.06% | Reduce -4.4% | 4,932,455 | $864.81M | $175.33 | No quote |
| 8 | META | FACEBOOK INC | 4.72% | Reduce -27.4% | 4,840,683 | $806.89M | $166.69 | No quote |
| 9 | TDG | TRANSDIGM GROUP INC | 4.41% | Add +9.1% | 1,661,253 | $754.19M | $453.99 | No quote |
| 10 | TIF | TIFFANY & CO NEW | 4.18% | - | 6,776,002 | $715.21M | No quote | No quote |
| 11 | WYNN | WYNN RESORTS LTD | 4.15% | - | 5,955,497 | $710.61M | $119.32 | No quote |
| 12 | CP | CANADIAN PAC RY LTD | 3.88% | Reduce -7.1% | 3,219,436 | $663.3M | $206.03 | No quote |
| 13 | MA | MASTERCARD INC | 3.84% | Reduce -5.2% | 2,791,487 | $657.26M | $235.45 | No quote |
| 14 | SPGI | S&P GLOBAL INC | 3.80% | New | 3,091,361 | $650.89M | $210.55 | No quote |
| 15 | CSX | CSX CORP | 3.50% | Reduce -17.1% | 7,998,686 | $598.46M | $74.82 | No quote |
| 16 | BKNG | BOOKING HLDGS INC | 3.28% | Reduce -9.1% | 321,396 | $560.81M | $1744.91 | No quote |
| 17 | UNP | UNION PACIFIC CORP | 3.24% | New | 3,313,454 | $554.01M | $167.20 | No quote |
| 18 | ADSK | AUTODESK INC | 3.13% | Reduce -10.3% | 3,440,100 | $536.04M | $155.82 | No quote |
| 19 | GOOG | ALPHABET INC | 3.05% | New | 444,419 | $521.44M | $1173.31 | No quote |
| 20 | TRU | TRANSUNION | 2.51% | Reduce -36.4% | 6,435,350 | $430.14M | $66.84 | No quote |
| 21 | NOW | SERVICENOW INC | 2.46% | Reduce -35.4% | 1,705,894 | $420.49M | $246.49 | No quote |
| 22 | MELI | MERCADOLIBRE INC | 1.98% | Add +48.0% | 667,206 | $338.76M | $507.73 | No quote |
| 23 | CRM | SALESFORCE COM INC | 1.81% | Add +197.9% | 1,960,213 | $310.44M | $158.37 | No quote |
| 24 | DHI | D R HORTON INC | 1.59% | New | 6,567,812 | $271.78M | $41.38 | No quote |
| 25 | SE | SEA LTD | 1.00% | Add +83.3% | 7,263,222 | $170.83M | $23.52 | No quote |
| 26 | STNE | STONECO LTD | 0.50% | Reduce -33.3% | 2,078,303 | $85.44M | No quote | No quote |
| 27 | WWE | WORLD WRESTLING ENTMT INC | 0.08% | New | 157,091 | $13.63M | No quote | No quote |
| 28 | SQ | SQUARE INC | 0.05% | New | 120,000 | $8.99M | No quote | No quote |
| 29 | SHOP | SHOPIFY INC | 0.05% | New | 40,000 | $8.27M | $206.63 | No quote |
| 32 | PYPL | PAYPAL HLDGS INC | - | Sold | 0 | $0 | No quote | No quote |
| 31 | NIO | NIO INC | - | Sold | 0 | $0 | No quote | No quote |
| 30 | ATVI | ACTIVISION BLIZZARD INC | - | Sold | 0 | $0 | No quote | No quote |