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 45 rows. Rows without a quote are marked unavailable.


1	BABA	ALIBABA GROUP HLDG LTD	8.36%	Add +17.9%	11,666,798	$1.64B	$140.90	No quote
2	CHTR	CHARTER COMMUNICATIONS INC N	7.45%	Reduce -23.2%	4,353,832	$1.47B	$336.85	No quote
3	STZ	CONSTELLATION BRANDS INC	6.48%	Reduce -9.4%	6,576,776	$1.27B	$193.73	No quote
4	ATVI	ACTIVISION BLIZZARD INC	6.30%	Reduce -13.2%	21,535,165	$1.24B	No quote	No quote
5	AVGO	BROADCOM LTD	6.30%	-	5,319,591	$1.24B	$233.05	No quote
6	FLT	FLEETCOR TECHNOLOGIES INC	4.81%	Add +45.6%	6,555,504	$945.37M	No quote	No quote
7	META	FACEBOOK INC	4.73%	Add +20.8%	6,168,049	$931.25M	$150.98	No quote
8	Q	QUINTILES IMS HOLDINGS INC	4.57%	Add +68.3%	10,055,780	$899.99M	$89.50	No quote
9	CMCSA	COMCAST CORP NEW	4.04%	Add +48.8%	20,438,394	$795.46M	$38.92	No quote
10	EXPE	EXPEDIA INC DEL	3.42%	Add +113.2%	4,523,614	$673.79M	$148.95	No quote
11	MSFT	MICROSOFT CORP	3.39%	New	9,687,742	$667.78M	$68.93	No quote
12	ORLY	O REILLY AUTOMOTIVE INC NEW	3.16%	New	2,841,170	$621.48M	$218.74	No quote
13	SYMC	SYMANTEC CORP	3.03%	Reduce -20.3%	21,085,032	$595.65M	No quote	No quote
14	MA	MASTERCARD INCORPORATED	2.87%	New	4,641,369	$563.69M	$121.45	No quote
15	CSX	CSX CORP	2.86%	Reduce -28.3%	10,314,868	$562.78M	$54.56	No quote
16	ADBE	ADOBE SYS INC	2.83%	Reduce -18.3%	3,931,896	$556.13M	$141.44	No quote
17	EQIX	EQUINIX INC	2.78%	Reduce -11.0%	1,273,652	$546.6M	$429.16	No quote
18	TV	GRUPO TELEVISA SA	2.54%	Add +11.4%	20,535,367	$500.45M	No quote	No quote
19	TMUS	T MOBILE US INC	2.19%	Add +19.2%	7,123,517	$431.83M	$60.62	No quote
20	ICE	INTERCONTINENTAL EXCHANGE IN	2.13%	New	6,356,905	$419.05M	$65.92	No quote
21	ULTA	ULTA BEAUTY INC	2.10%	Reduce -5.6%	1,438,673	$413.39M	$287.34	No quote
22	TRU	TRANSUNION	1.96%	New	8,905,062	$385.68M	$43.31	No quote
23	NOW	SERVICENOW INC	1.74%	New	3,220,940	$341.42M	$106.00	No quote
24	UNH	UNITEDHEALTH GROUP INC	1.61%	New	1,705,353	$316.21M	$185.42	No quote
25	ANET	ARISTA NETWORKS INC	1.41%	Add +45.6%	1,845,638	$276.46M	$149.79	No quote
26	ATUS	ALTICE USA INC	1.38%	New	8,395,511	$271.18M	No quote	No quote
27	LNG	CHENIERE ENERGY INC	1.28%	-	5,186,332	$252.63M	No quote	No quote
28	AAP	ADVANCE AUTO PARTS INC	1.21%	New	2,048,852	$238.88M	$116.59	No quote
29	CRM	SALESFORCE COM INC	1.17%	New	2,648,428	$229.35M	$86.60	No quote
30	SNAP	SNAP INC	0.66%	Add +324.5%	7,599,408	$130.49M	$17.17	No quote
31	ALB	ALBEMARLE CORP	0.62%	Reduce -41.3%	1,158,452	$122.26M	$105.54	No quote
32	FWONK	LIBERTY MEDIA CORP DELAWARE	0.54%	New	2,919,817	$106.92M	$36.62	No quote
33	VXXZZZZ	BARCLAYS BK PLC	0.06%	Add +25.0%	1,000,000	$12.76M	No quote	No quote
45	V	VISA INC	-	Sold	0	$0	No quote	No quote
44	SHPG	SHIRE PLC	-	Sold	0	$0	No quote	No quote
43	RICE	RICE ENERGY INC	-	Sold	0	$0	No quote	No quote
42	PCLN	PRICELINE GRP INC	-	Sold	0	$0	No quote	No quote
41	NKE	NIKE INC	-	Sold	0	$0	No quote	No quote
40	HUM	HUMANA INC	-	Sold	0	$0	No quote	No quote
39	HDB	HDFC BANK LTD	-	Sold	0	$0	No quote	No quote
38	ECA	ENCANA CORP	-	Sold	0	$0	No quote	No quote
37	EA	ELECTRONIC ARTS INC	-	Sold	0	$0	No quote	No quote
36	DLTR	DOLLAR TREE INC	-	Sold	0	$0	No quote	No quote
35	COMM	COMMSCOPE HLDG CO INC	-	Sold	0	$0	No quote	No quote
34	ALGN	ALIGN TECHNOLOGY INC	-	Sold	0	$0	No quote	No quote