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 24 of 41 rows. Rows without a quote are marked unavailable.


1	CHTR	CHARTER COMMUNICATIONS INC N	7.71%	Add +0.2%	4,360,652	$1.58B	$363.42	No quote
2	BABA	ALIBABA GROUP HLDG LTD	7.40%	Reduce -24.4%	8,815,009	$1.52B	$172.71	No quote
3	STZ	CONSTELLATION BRANDS INC	6.86%	Add +7.6%	7,076,082	$1.41B	$199.45	No quote
4	ATVI	ACTIVISION BLIZZARD INC	6.22%	Reduce -7.9%	19,839,465	$1.28B	No quote	No quote
5	CMCSA	COMCAST CORP NEW	6.10%	Add +59.5%	32,595,590	$1.25B	$38.48	No quote
6	AVGO	BROADCOM LTD	6.00%	Reduce -4.3%	5,090,360	$1.23B	$242.54	No quote
7	Q	QUINTILES IMS HOLDINGS INC	4.65%	-	10,055,780	$956M	$95.07	No quote
8	UNH	UNITEDHEALTH GROUP INC	4.19%	Add +158.2%	4,402,726	$862.27M	$195.85	No quote
9	META	FACEBOOK INC	4.18%	Reduce -18.4%	5,032,256	$859.86M	$170.87	No quote
10	MSFT	MICROSOFT CORP	4.10%	Add +16.9%	11,329,847	$843.96M	$74.49	No quote
11	PCLN	PRICELINE GRP INC	3.63%	New	407,409	$745.89M	No quote	No quote
12	EXPE	EXPEDIA INC DEL	3.26%	Add +2.9%	4,656,018	$670.19M	$143.94	No quote
13	MA	MASTERCARD INCORPORATED	3.08%	Reduce -3.3%	4,487,369	$633.62M	$141.20	No quote
14	NOW	SERVICENOW INC	3.01%	Add +63.7%	5,271,621	$619.57M	$117.53	No quote
15	ICE	INTERCONTINENTAL EXCHANGE IN	2.92%	Add +37.6%	8,749,665	$601.1M	$68.70	No quote
16	ADBE	ADOBE SYS INC	2.85%	-	3,931,896	$586.56M	$149.18	No quote
17	CRM	SALESFORCE COM INC	2.85%	Add +136.8%	6,270,806	$585.82M	$93.42	No quote
18	TRU	TRANSUNION	2.84%	Add +38.6%	12,345,757	$583.46M	$47.26	No quote
19	EQIX	EQUINIX INC	2.76%	-	1,273,652	$568.43M	$446.30	No quote
20	TV	GRUPO TELEVISA SA	2.50%	Add +1.5%	20,843,467	$514.21M	No quote	No quote
21	EA	ELECTRONIC ARTS INC	2.43%	New	4,234,102	$499.88M	$118.06	No quote
22	PYPL	PAYPAL HLDGS INC	2.09%	New	6,713,230	$429.85M	$64.03	No quote
23	MELI	MERCADOLIBRE INC	2.05%	New	1,630,524	$422.19M	$258.93	No quote
24	WYNN	WYNN RESORTS LTD	1.94%	New	2,680,127	$399.13M	$148.92	No quote
25	TMUS	T MOBILE US INC	1.37%	Reduce -36.0%	4,561,573	$281.27M	$61.66	No quote
26	AAP	ADVANCE AUTO PARTS INC	1.14%	Add +15.1%	2,358,917	$234.01M	$99.20	No quote
27	VNTV	VANTIV INC	0.79%	New	2,291,437	$161.48M	No quote	No quote
28	FLT	FLEETCOR TECHNOLOGIES INC	0.60%	Reduce -87.8%	801,482	$124.05M	No quote	No quote
29	BUD	ANHEUSER BUSCH INBEV SA/NV	0.42%	New	715,551	$85.37M	$119.30	No quote
30	VXX	BARCLAYS BK PLC	0.05%	New	250,000	$9.8M	No quote	No quote
41	ULTA	ULTA BEAUTY INC	-	Sold	0	$0	No quote	No quote
40	SYMC	SYMANTEC CORP	-	Sold	0	$0	No quote	No quote
39	SNAP	SNAP INC	-	Sold	0	$0	No quote	No quote
38	ORLY	O REILLY AUTOMOTIVE INC NEW	-	Sold	0	$0	No quote	No quote
37	FWONK	LIBERTY MEDIA CORP DELAWARE	-	Sold	0	$0	No quote	No quote
36	CSX	CSX CORP	-	Sold	0	$0	No quote	No quote
35	LNG	CHENIERE ENERGY INC	-	Sold	0	$0	No quote	No quote
34	VXXZZZZ	BARCLAYS BK PLC	-	Sold	0	$0	No quote	No quote
33	ANET	ARISTA NETWORKS INC	-	Sold	0	$0	No quote	No quote
32	ATUS	ALTICE USA INC	-	Sold	0	$0	No quote	No quote
31	ALB	ALBEMARLE CORP	-	Sold	0	$0	No quote	No quote