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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Filing period

Updated 2026-06-06 from SEC 13F data.

Live quotes available for 26 of 38 rows. Rows without a quote are marked unavailable.


1	STZ	CONSTELLATION BRANDS INC	5.81%	Reduce -31.2%	4,869,109	$1.11B	$228.57	No quote
2	BABA	ALIBABA GROUP HLDG LTD	5.71%	Reduce -28.0%	6,347,975	$1.09B	$172.43	No quote
3	ATVI	ACTIVISION BLIZZARD INC	5.66%	Reduce -13.6%	17,134,499	$1.08B	No quote	No quote
4	ADBE	ADOBE SYS INC	5.30%	Add +47.3%	5,790,528	$1.01B	$175.24	No quote
5	IQV	IQVIA HLDGS INC	5.04%	New	9,868,332	$966.11M	$97.90	No quote
6	PCLN	PRICELINE GRP INC	5.01%	Add +35.5%	551,928	$959.11M	No quote	No quote
7	AMZN	AMAZON COM INC	4.70%	New	769,996	$900.49M	$1169.47	No quote
8	MSFT	MICROSOFT CORP	4.28%	Reduce -15.4%	9,584,771	$819.88M	$85.54	No quote
9	UNH	UNITEDHEALTH GROUP INC	4.19%	Reduce -17.3%	3,641,563	$802.82M	$220.46	No quote
10	META	FACEBOOK INC	4.05%	Reduce -12.6%	4,400,447	$776.5M	$176.46	No quote
11	EA	ELECTRONIC ARTS INC	4.01%	Add +72.6%	7,308,184	$767.8M	$105.06	No quote
12	PYPL	PAYPAL HLDGS INC	3.65%	Add +41.3%	9,488,228	$698.52M	$73.62	No quote
13	AVGO	BROADCOM LTD	3.30%	Reduce -51.6%	2,463,016	$632.75M	$256.90	No quote
14	CSX	CSX CORP	3.27%	New	11,383,382	$626.2M	$55.01	No quote
15	GOOG	ALPHABET INC	3.26%	New	597,503	$625.23M	$1046.40	No quote
16	BUD	ANHEUSER BUSCH INBEV SA/NV	3.06%	Add +634.3%	5,254,307	$586.17M	$111.56	No quote
17	TRU	TRANSUNION	3.03%	Reduce -14.4%	10,572,548	$581.07M	$54.96	No quote
18	CHTR	CHARTER COMMUNICATIONS INC N	3.03%	Reduce -60.4%	1,727,722	$580.45M	$335.96	No quote
19	BLK	BLACKROCK INC	2.96%	New	1,103,870	$567.07M	$513.71	No quote
20	NOW	SERVICENOW INC	2.80%	Reduce -21.9%	4,116,193	$536.71M	$130.39	No quote
21	MA	MASTERCARD INCORPORATED	2.66%	Reduce -25.1%	3,362,667	$508.97M	$151.36	No quote
22	EQIX	EQUINIX INC	2.66%	Reduce -11.9%	1,122,529	$508.75M	$453.22	No quote
23	CRM	SALESFORCE COM INC	2.60%	Reduce -22.4%	4,864,570	$497.31M	$102.23	No quote
24	MELI	MERCADOLIBRE INC	2.53%	Reduce -5.7%	1,537,485	$483.79M	$314.66	No quote
25	TDG	TRANSDIGM GROUP INC	2.02%	New	1,410,402	$387.33M	$274.62	No quote
26	TV	GRUPO TELEVISA SA	1.96%	Reduce -3.6%	20,091,736	$375.11M	No quote	No quote
27	A	AGILENT TECHNOLOGIES INC	1.26%	New	3,607,622	$241.6M	$66.97	No quote
28	WYNN	WYNN RESORTS LTD	1.12%	Reduce -52.6%	1,270,051	$214.12M	$168.59	No quote
29	FLT	FLEETCOR TECHNOLOGIES INC	0.81%	-	801,482	$154.23M	No quote	No quote
30	SE	SEA LTD	0.22%	New	3,223,222	$42.97M	$13.33	No quote
31	VXX	BARCLAYS BK PLC	0.04%	-	250,000	$6.98M	No quote	No quote
38	VNTV	VANTIV INC	-	Sold	0	$0	No quote	No quote
37	TMUS	T MOBILE US INC	-	Sold	0	$0	No quote	No quote
36	Q	QUINTILES IMS HOLDINGS INC	-	Sold	0	$0	No quote	No quote
35	ICE	INTERCONTINENTAL EXCHANGE IN	-	Sold	0	$0	No quote	No quote
34	EXPE	EXPEDIA INC DEL	-	Sold	0	$0	No quote	No quote
33	CMCSA	COMCAST CORP NEW	-	Sold	0	$0	No quote	No quote
32	AAP	ADVANCE AUTO PARTS INC	-	Sold	0	$0	No quote	No quote