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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 30 of 61 rows. Rows without a quote are marked unavailable.

1BIDUBAIDU INC7.33%Add +24.2%9,703,393$1.81B$186.81No quote
2CTSHCOGNIZANT TECHNOLOGY SOLUTIO5.83%Add +2.7%29,509,835$1.44B$48.91No quote
3VRXVALEANT PHARMACEUTICALS INTL5.14%Add +14.4%10,089,450$1.27BNo quoteNo quote
4MSFTMICROSOFT CORP4.68%Reduce -7.8%27,747,204$1.16B$41.70No quote
5MHPMCGRAW HILL FINL INC4.20%Add +13.7%12,503,547$1.04BNo quoteNo quote
6KORSMICHAEL KORS HLDGS LTD4.13%Add +27.4%11,525,497$1.02BNo quoteNo quote
7SBACSBA COMMUNICATIONS CORP3.60%Reduce -2.7%8,700,738$890.09M$102.30No quote
8GPSGAP INC DEL3.53%Add +5.4%21,006,465$873.24MNo quoteNo quote
9MAMASTERCARD INC3.49%Add +61.3%11,766,312$864.47M$73.47No quote
10ADBEADOBE SYS INC3.48%Add +80.1%11,889,484$860.32M$72.36No quote
11PCLNPRICELINE GRP INC3.36%Add +138.4%691,646$832.05MNo quoteNo quote
12FLTFLEETCOR TECHNOLOGIES INC3.22%Add +10.9%6,038,616$795.89MNo quoteNo quote
13CMCSACOMCAST CORP NEW3.03%New13,981,289$750.52M$53.68No quote
14LBTYKLIBERTY GLOBAL PLC2.70%Reduce -25.6%15,806,512$668.77M$42.31No quote
15ICEINTERCONTINENTAL EXCHANGE IN2.60%Add +0.7%3,403,713$642.96M$188.90No quote
16CPCANADIAN PAC RY LTD2.57%New3,509,269$635.67M$181.14No quote
17CCICROWN CASTLE INTL CORP2.53%Reduce -7.0%8,425,071$625.65M$74.26No quote
18FOXATWENTY FIRST CENTY FOX INC2.28%Reduce -19.8%16,045,522$564M$35.15No quote
19ACTZZZZACTAVIS PLC2.23%Add +4.2%2,478,628$552.86MNo quoteNo quote
20HOUSREALOGY HLDGS CORP2.08%Add +5.8%13,652,898$514.85MNo quoteNo quote
21EQIXEQUINIX INC1.95%Add +2.0%2,299,216$483.04M$210.09No quote
22ULTAULTA SALON COSMETCS & FRAG I1.92%-5,202,611$475.57M$91.41No quote
23WYNNWYNN RESORTS LTD1.74%Add +74.8%2,071,053$429.87M$207.56No quote
24TIFTIFFANY & CO NEW1.72%Add +60.1%4,238,872$424.95MNo quoteNo quote
25LPLALPL FINL HLDGS INC1.71%-8,518,366$423.7M$49.74No quote
26DGDOLLAR GEN CORP NEW1.65%Reduce -31.3%7,109,343$407.79M$57.36No quote
27WDAYWORKDAY INC1.28%Add +17.8%3,516,060$315.95M$89.86No quote
28JAZZJAZZ PHARMACEUTICALS PLC1.24%Reduce -11.0%2,087,127$306.83M$147.01No quote
29ANAUTONATION INC1.22%Add +26.9%5,067,310$302.42M$59.68No quote
30OIIOCEANEERING INTL INC1.20%-3,809,894$297.67MNo quoteNo quote
31LBTYALIBERTY GLOBAL PLC1.17%Reduce -6.6%6,519,720$288.3M$44.22No quote
32WMBWILLIAMS COS INC DEL1.15%New4,895,000$284.94M$58.21No quote
33UAAUNDER ARMOUR INC1.14%New4,748,964$282.52M$59.49No quote
34SWISOLARWINDS INC1.02%-6,516,396$251.92MNo quoteNo quote
35SFUNSOUFUN HLDGS LTD1.00%Add +473.0%25,361,965$248.29MNo quoteNo quote
36JDJD COM INC0.97%New8,405,200$239.63M$28.51No quote
37SAVESPIRIT AIRLS INC0.89%New3,500,760$221.39MNo quoteNo quote
38LLLUMBER LIQUIDATORS HLDGS INC0.80%-2,619,839$198.98MNo quoteNo quote
3906742EBARCLAYS BK PLC0.73%Reduce -36.9%6,300,000$180.18MNo quoteNo quote
40TDGTRANSDIGM GROUP INC0.66%Reduce -5.3%979,395$163.81M$167.26No quote
41TRIPTRIPADVISOR INC0.48%New1,094,087$118.88M$108.66No quote
42AALAMERICAN AIRLS GROUP INC0.47%New2,684,674$115.33M$42.96No quote
43WSMWILLIAMS SONOMA INC0.43%New1,483,179$106.46MNo quoteNo quote
44SHLDSEARS HLDGS CORP0.40%Reduce -3.1%2,504,400$100.08MNo quoteNo quote
45CTRPCTRIP COM INTL LTD0.30%-1,158,913$74.22MNo quoteNo quote
46INTCINTEL CORP0.29%New2,320,000$71.69M$30.90No quote
47LNGCHENIERE ENERGY INC0.16%New567,600$40.7MNo quoteNo quote
48ANETARISTA NETWORKS INC0.13%New529,120$33.01M$62.39No quote
49IBNICICI BK LTD0.13%Reduce -88.5%659,729$32.92M$49.90No quote
61YNDXYANDEX N V-Sold0$0No quoteNo quote
60WYNWYNDHAM WORLDWIDE CORP-Sold0$0No quoteNo quote
59SEASSEAWORLD ENTMT INC-Sold0$0No quoteNo quote
58QCOMQUALCOMM INC-Sold0$0No quoteNo quote
57MONMONSANTO CO NEW-Sold0$0No quoteNo quote
56METAFACEBOOK INC-Sold0$0No quoteNo quote
55ENDPQENDO INTL PLC-Sold0$0No quoteNo quote
54DSWDSW INC-Sold0$0No quoteNo quote
53DVADAVITA HEALTHCARE PARTNERS I-Sold0$0No quoteNo quote
52COHCOACH INC-Sold0$0No quoteNo quote
51BEAVB/E AEROSPACE INC-Sold0$0No quoteNo quote
50ASMLASML HOLDING N V-Sold0$0No quoteNo quote