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.
Get email alerts when Stephen Mandel files a new 13F — sign in or create a free account.
Updated 2026-06-06 from SEC 13F data.
Live quotes available for 21 of 31 rows. Rows without a quote are marked unavailable.
| 1 | ADBE | ADOBE INC | 7.85% | Reduce -5.5% | 5,127,799 | $1.16B | $226.24 | No quote |
| 2 | AMZN | AMAZON COM INC | 7.54% | Add +112.6% | 741,661 | $1.11B | $1501.97 | No quote |
| 3 | MSFT | MICROSOFT CORP | 6.94% | Reduce -26.5% | 10,097,064 | $1.03B | $101.57 | No quote |
| 4 | IQV | IQVIA HLDGS INC | 6.06% | Reduce -8.3% | 7,708,139 | $895.46M | $116.17 | No quote |
| 5 | UNH | UNITEDHEALTH GROUP INC | 6.03% | Add +18.5% | 3,574,718 | $890.53M | $249.12 | No quote |
| 6 | META | FACEBOOK INC | 5.92% | Add +72.7% | 6,669,767 | $874.34M | $131.09 | No quote |
| 7 | BABA | ALIBABA GROUP HLDG LTD | 5.76% | Reduce -36.2% | 6,210,334 | $851.25M | $137.07 | No quote |
| 8 | STZ | CONSTELLATION BRANDS INC | 5.62% | Add +19.7% | 5,160,154 | $829.86M | $160.82 | No quote |
| 9 | ATVI | ACTIVISION BLIZZARD INC | 4.94% | Reduce -2.9% | 15,671,412 | $729.82M | No quote | No quote |
| 10 | CP | CANADIAN PAC RY LTD | 4.17% | Reduce -11.1% | 3,465,872 | $615.61M | $177.62 | No quote |
| 11 | BKNG | BOOKING HLDGS INC | 4.12% | New | 353,496 | $608.87M | $1722.42 | No quote |
| 12 | CSX | CSX CORP | 4.06% | Add +2.3% | 9,645,475 | $599.27M | $62.13 | No quote |
| 13 | WYNN | WYNN RESORTS LTD | 3.99% | - | 5,955,497 | $589.06M | $98.91 | No quote |
| 14 | TRU | TRANSUNION | 3.89% | Add +3.1% | 10,124,771 | $575.09M | $56.80 | No quote |
| 15 | MA | MASTERCARD INCORPORATED | 3.76% | New | 2,944,587 | $555.5M | $188.65 | No quote |
| 16 | TIF | TIFFANY & CO NEW | 3.69% | New | 6,776,002 | $545.54M | No quote | No quote |
| 17 | TDG | TRANSDIGM GROUP INC | 3.51% | Reduce -13.7% | 1,522,520 | $517.75M | $340.06 | No quote |
| 18 | ADSK | AUTODESK INC | 3.34% | New | 3,836,207 | $493.38M | $128.61 | No quote |
| 19 | PYPL | PAYPAL HLDGS INC | 3.28% | Reduce -3.4% | 5,762,509 | $484.57M | $84.09 | No quote |
| 20 | NOW | SERVICENOW INC | 3.18% | Reduce -16.6% | 2,642,117 | $470.43M | $178.05 | No quote |
| 21 | MELI | MERCADOLIBRE INC | 0.89% | Reduce -74.8% | 450,784 | $132.01M | $292.85 | No quote |
| 22 | CRM | SALESFORCE COM INC | 0.61% | New | 658,000 | $90.13M | $136.97 | No quote |
| 23 | STNE | STONECO LTD | 0.39% | New | 3,116,475 | $57.47M | No quote | No quote |
| 24 | SE | SEA LTD | 0.30% | - | 3,963,222 | $44.86M | $11.32 | No quote |
| 25 | NIO | NIO INC | 0.14% | - | 3,736,290 | $20.44M | No quote | No quote |
| 31 | UNP | UNION PAC CORP | - | Sold | 0 | $0 | No quote | No quote |
| 30 | NVDA | NVIDIA CORP | - | Sold | 0 | $0 | No quote | No quote |
| 29 | FLT | FLEETCOR TECHNOLOGIES INC | - | Sold | 0 | $0 | No quote | No quote |
| 28 | FDC | FIRST DATA CORP NEW | - | Sold | 0 | $0 | No quote | No quote |
| 27 | EA | ELECTRONIC ARTS INC | - | Sold | 0 | $0 | No quote | No quote |
| 26 | GOOG | ALPHABET INC | - | Sold | 0 | $0 | No quote | No quote |