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Focused investors/Stephen Mandel

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 21 of 31 rows. Rows without a quote are marked unavailable.

1ADBEADOBE INC7.85%Reduce -5.5%5,127,799$1.16B$226.24No quote
2AMZNAMAZON COM INC7.54%Add +112.6%741,661$1.11B$1501.97No quote
3MSFTMICROSOFT CORP6.94%Reduce -26.5%10,097,064$1.03B$101.57No quote
4IQVIQVIA HLDGS INC6.06%Reduce -8.3%7,708,139$895.46M$116.17No quote
5UNHUNITEDHEALTH GROUP INC6.03%Add +18.5%3,574,718$890.53M$249.12No quote
6METAFACEBOOK INC5.92%Add +72.7%6,669,767$874.34M$131.09No quote
7BABAALIBABA GROUP HLDG LTD5.76%Reduce -36.2%6,210,334$851.25M$137.07No quote
8STZCONSTELLATION BRANDS INC5.62%Add +19.7%5,160,154$829.86M$160.82No quote
9ATVIACTIVISION BLIZZARD INC4.94%Reduce -2.9%15,671,412$729.82MNo quoteNo quote
10CPCANADIAN PAC RY LTD4.17%Reduce -11.1%3,465,872$615.61M$177.62No quote
11BKNGBOOKING HLDGS INC4.12%New353,496$608.87M$1722.42No quote
12CSXCSX CORP4.06%Add +2.3%9,645,475$599.27M$62.13No quote
13WYNNWYNN RESORTS LTD3.99%-5,955,497$589.06M$98.91No quote
14TRUTRANSUNION3.89%Add +3.1%10,124,771$575.09M$56.80No quote
15MAMASTERCARD INCORPORATED3.76%New2,944,587$555.5M$188.65No quote
16TIFTIFFANY & CO NEW3.69%New6,776,002$545.54MNo quoteNo quote
17TDGTRANSDIGM GROUP INC3.51%Reduce -13.7%1,522,520$517.75M$340.06No quote
18ADSKAUTODESK INC3.34%New3,836,207$493.38M$128.61No quote
19PYPLPAYPAL HLDGS INC3.28%Reduce -3.4%5,762,509$484.57M$84.09No quote
20NOWSERVICENOW INC3.18%Reduce -16.6%2,642,117$470.43M$178.05No quote
21MELIMERCADOLIBRE INC0.89%Reduce -74.8%450,784$132.01M$292.85No quote
22CRMSALESFORCE COM INC0.61%New658,000$90.13M$136.97No quote
23STNESTONECO LTD0.39%New3,116,475$57.47MNo quoteNo quote
24SESEA LTD0.30%-3,963,222$44.86M$11.32No quote
25NIONIO INC0.14%-3,736,290$20.44MNo quoteNo quote
31UNPUNION PAC CORP-Sold0$0No quoteNo quote
30NVDANVIDIA CORP-Sold0$0No quoteNo quote
29FLTFLEETCOR TECHNOLOGIES INC-Sold0$0No quoteNo quote
28FDCFIRST DATA CORP NEW-Sold0$0No quoteNo quote
27EAELECTRONIC ARTS INC-Sold0$0No quoteNo quote
26GOOGALPHABET INC-Sold0$0No quoteNo quote