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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

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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 59 rows. Rows without a quote are marked unavailable.

1CHTRCHARTER COMMUNICATIONS INC D6.88%Add +13.9%9,600,257$1.69B$175.85No quote
2VRXVALEANT PHARMACEUTICALS INTL5.42%Add +40.5%7,461,780$1.33BNo quoteNo quote
3PCLNPRICELINE GRP INC5.00%Reduce -16.7%992,252$1.23BNo quoteNo quote
4MSFTMICROSOFT CORP4.71%Reduce -11.3%26,114,624$1.16B$44.26No quote
5JDJD COM INC4.62%Add +3.8%43,495,999$1.13B$26.06No quote
6AMZNAMAZON COM INC4.04%New1,937,002$991.53M$511.89No quote
7METAFACEBOOK INC3.92%Add +9.6%10,702,259$962.13M$89.90No quote
8FLTFLEETCOR TECHNOLOGIES INC3.61%Add +17.4%6,434,203$885.48MNo quoteNo quote
9MAMASTERCARD INC3.06%Reduce -14.2%8,343,895$751.95M$90.12No quote
10EQIXEQUINIX INC2.95%Reduce -11.8%2,650,775$724.72M$273.40No quote
11AGNALLERGAN PLC2.89%Add +13.5%2,607,655$708.79MNo quoteNo quote
12NKENIKE INC2.86%Reduce -20.3%5,700,855$701.03M$122.97No quote
13VVISA INC2.77%Add +9.8%9,769,463$680.54M$69.66No quote
1474347WPROSHARES TR II2.74%-12,000,000$671.52MNo quoteNo quote
15WMBWILLIAMS COS INC DEL2.65%Add +2.6%17,675,229$651.33M$36.85No quote
16ILMNILLUMINA INC2.58%Reduce -36.4%3,609,735$634.66M$175.82No quote
17EAELECTRONIC ARTS INC2.42%Add +1005.5%8,782,612$595.02M$67.75No quote
18LNGCHENIERE ENERGY INC2.41%Add +54.1%12,241,775$591.28MNo quoteNo quote
19STZCONSTELLATION BRANDS INC2.39%New4,684,214$586.51M$125.21No quote
20DVADAVITA HEALTHCARE PARTNERS I2.33%Add +45.1%7,918,998$572.78M$72.33No quote
21WBAWALGREENS BOOTS ALLIANCE INC2.30%Add +30.6%6,787,816$564.07MNo quoteNo quote
22ULTAULTA SALON COSMETCS & FRAG I2.18%Add +40.2%3,276,408$535.2M$163.35No quote
23ADBEADOBE SYS INC2.08%Reduce -33.0%6,209,219$510.52M$82.22No quote
24TDGTRANSDIGM GROUP INC1.92%-2,215,423$470.58M$212.41No quote
25SCHWSCHWAB CHARLES CORP NEW1.56%Add +1689.7%13,396,145$382.59M$28.56No quote
26MHKMOHAWK INDS INC1.46%Add +0.7%1,971,450$358.39M$181.79No quote
27DLTRDOLLAR TREE INC1.40%New5,139,395$342.59M$66.66No quote
28HDBHDFC BANK LTD1.33%Add +165.5%5,349,293$326.79M$61.09No quote
29AXPAMERICAN EXPRESS CO1.30%New4,301,000$318.83M$74.13No quote
30HZNPHORIZON PHARMA PLC1.26%Add +386.8%15,600,988$309.21MNo quoteNo quote
31DEODIAGEO P L C1.25%Add +0.0%2,851,000$307.31M$107.79No quote
32FNFFIDELITY NATIONAL FINANCIAL1.22%Reduce -27.9%8,427,113$298.91M$35.47No quote
33SBACSBA COMMUNICATIONS CORP1.20%Reduce -38.9%2,801,753$293.46M$104.74No quote
34MBBYFMOBILEYE N V AMSTELVEEN1.18%New6,394,066$290.8MNo quoteNo quote
35ATVIACTIVISION BLIZZARD INC1.17%New9,293,749$287.08MNo quoteNo quote
36VMCVULCAN MATLS CO1.16%Reduce -7.5%3,201,896$285.61M$89.20No quote
37ENDPQENDO INTL PLC1.09%Add +8.1%3,859,641$267.4MNo quoteNo quote
38HBIHANESBRANDS INC0.91%Add +1.3%7,689,684$222.54MNo quoteNo quote
39TAPMOLSON COORS BREWING CO0.66%New1,944,601$161.44M$83.02No quote
4006742EBARCLAYS BK PLC0.57%-5,500,000$140.97MNo quoteNo quote
41ANETARISTA NETWORKS INC0.54%Add +14.8%2,175,925$133.15M$61.19No quote
42EXPEEXPEDIA INC DEL0.52%New1,094,269$128.77M$117.68No quote
43KSUKANSAS CITY SOUTHERN0.52%Add +504.8%1,398,480$127.09MNo quoteNo quote
44GRAGRACE W R & CO DEL NEW0.51%Add +12.0%1,351,301$125.74MNo quoteNo quote
45SHLDSEARS HLDGS CORP0.18%Reduce -7.1%2,010,000$45.43MNo quoteNo quote
46HOUSREALOGY HLDGS CORP0.15%Reduce -90.6%979,197$36.85MNo quoteNo quote
47CSXCSX CORP0.15%Reduce -72.5%1,331,200$35.81M$26.90No quote
59SUNEQSUNEDISON INC-Sold0$0No quoteNo quote
58SWISOLARWINDS INC-Sold0$0No quoteNo quote
57PRGOPERRIGO CO PLC-Sold0$0No quoteNo quote
56MTGMGIC INVT CORP WIS-Sold0$0No quoteNo quote
55MHPMCGRAW HILL FINL INC-Sold0$0No quoteNo quote
54LOWLOWES COS INC-Sold0$0No quoteNo quote
53LMCKLIBERTY MEDIA CORP DELAWARE-Sold0$0No quoteNo quote
52LMCADLIBERTY MEDIA CORP DELAWARE-Sold0$0No quoteNo quote
51HCAHCA HOLDING INC-Sold0$0No quoteNo quote
50FXECURRENCYSHARES EURO TR-Sold0$0No quoteNo quote
49ADSKAUTODESK INC-Sold0$0No quoteNo quote
48AAPADVANCE AUTO PARTS INC-Sold0$0No quoteNo quote