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 32 of 63 rows. Rows without a quote are marked unavailable.


1	PCLN	PRICELINE COM INC COM NEW	6.32%	Reduce -0.0%	1,770,208	$1.22B	No quote	No quote
2	GOOGL	GOOGLE INC CL A	5.76%	Reduce -9.9%	1,398,517	$1.11B	$794.19	No quote
3	DG	DOLLAR GEN CORP NEW COM	3.74%	Add +6.7%	14,243,793	$720.45M	$50.58	No quote
4	GPS	GAP INC DEL COM	3.70%	Add +8.8%	20,155,033	$713.49M	No quote	No quote
5	MON	MONSANTO CO NEW COM	3.65%	Add +24.3%	6,662,550	$703.77M	No quote	No quote
6	NWSA	NEWS CORP CL A	3.50%	Add +30.4%	22,076,325	$673.55M	$30.51	No quote
7	CTSH	COGNIZANT TECHNOLOGY CL A	3.45%	Reduce -20.6%	8,663,768	$663.83M	$76.62	No quote
8	QCOM	QUALCOMM INC COM	3.08%	Add +17.5%	8,874,637	$594.07M	$66.94	No quote
9	DLTR	DOLLAR TREE INC COM	3.02%	Add +1.7%	12,006,929	$581.5M	$48.43	No quote
10	VRSN	VERISIGN INC COM	2.92%	Reduce -19.3%	11,899,922	$562.51M	$47.27	No quote
11	MJN	MEAD JOHNSON NUTRITION CO COM	2.82%	Add +87.5%	7,026,776	$544.22M	No quote	No quote
12	KMI	KINDER MORGAN INC DEL COM	2.77%	Reduce -8.1%	13,817,738	$534.47M	$38.68	No quote
13	RL	RALPH LAUREN CORP CL A	2.77%	Reduce -19.8%	3,156,566	$534.44M	No quote	No quote
14	EBAY	EBAY INC COM	2.74%	Add +14.1%	9,740,666	$528.14M	$54.22	No quote
15	EQIX	EQUINIX INC COM NEW	2.57%	Reduce -17.9%	2,293,503	$496.11M	$216.31	No quote
16	ULTA	ULTA SALON COSMETCS & COM	2.54%	Add +41.9%	6,009,943	$488.55M	$81.29	No quote
17	CHTR	CHARTER COMMUNICATIONS CL A NEW	2.47%	Reduce -4.8%	4,577,187	$476.85M	$104.18	No quote
18	KORS	MICHAEL KORS HLDGS LTD SHS	2.38%	Reduce -10.6%	8,075,051	$458.58M	No quote	No quote
19	ISRG	INTUITIVE SURGICAL INC COM NEW	2.27%	Add +118.2%	888,681	$436.51M	$491.19	No quote
20	TDG	TRANSDIGM GROUP INC COM	2.03%	Reduce -12.3%	2,556,210	$390.9M	$152.92	No quote
21	VRX	VALEANT PHARMACEUTICALS COM	1.91%	New	4,912,495	$368.54M	No quote	No quote
22	WYN	WYNDHAM WORLDWIDE CORP COM	1.86%	Reduce -6.5%	5,547,737	$357.72M	No quote	No quote
23	TRIP	TRIPADVISOR INC COM	1.77%	Reduce -1.0%	6,501,886	$341.48M	$52.52	No quote
24	CME	CME GROUP INC COM	1.77%	New	5,541,560	$340.31M	$61.41	No quote
25	LULU	LULULEMON ATHLETICA INC COM	1.74%	Add +11.3%	5,375,131	$335.12M	$62.35	No quote
26	V	VISA INC COM CL A	1.73%	Reduce -12.8%	1,958,840	$332.69M	$169.84	No quote
27	KMIWS	KINDER MORGAN INC DEL *W EXP	1.65%	Add +4.7%	61,984,084	$318.6M	No quote	No quote
28	BEAV	B/E AEROSPACE INC COM	1.49%	Reduce -1.1%	4,758,675	$286.85M	No quote	No quote
29	AIG	AMERICAN INTL GROUP INC COM NEW	1.48%	Add +5.0%	7,343,600	$285.08M	$38.82	No quote
30	COF	CAPITAL ONE FINL CORP COM	1.45%	Add +14.6%	5,079,222	$279.1M	$54.95	No quote
31	VMED	VIRGIN MEDIA INC COM	1.44%	New	5,659,808	$277.16M	No quote	No quote
32	WBC	WABCO HLDGS INC COM	1.26%	Reduce -2.0%	3,443,881	$243.1M	No quote	No quote
33	OII	OCEANEERING INTL INC COM	1.25%	Reduce -24.1%	3,625,861	$240.79M	No quote	No quote
34	DVA	DAVITA HEALTHCARE COM	1.22%	-	1,989,505	$235.94M	$118.59	No quote
35	JBHT	HUNT J B TRANS SVCS INC COM	1.21%	Reduce -16.8%	3,124,920	$232.74M	$74.48	No quote
36	DIS	DISNEY WALT CO COM DISNEY	1.16%	Reduce -25.9%	3,950,480	$224.39M	$56.80	No quote
37	TMO	THERMO FISHER SCIENTIFIC COM	1.13%	New	2,847,088	$217.77M	$76.49	No quote
38	LMCAD	LIBERTY MEDIA CORP CL A	1.11%	New	1,918,415	$214.15M	No quote	No quote
39	ORLY	O REILLY AUTOMOTIVE INC COM	1.11%	Reduce -3.6%	2,085,784	$213.67M	$102.44	No quote
40	HRB	BLOCK H & R INC COM	1.05%	New	6,904,940	$203.14M	$29.42	No quote
41	SEMG	SEMGROUP CORP CL A	1.05%	Add +79.8%	3,906,318	$202.04M	No quote	No quote
42	SBH	SALLY BEAUTY HLDGS INC COM	0.94%	New	6,175,857	$181.45M	No quote	No quote
43	CFX	COLFAX CORP COM	0.84%	-	3,468,370	$161.42M	No quote	No quote
44	GRFS	GRIFOLS S A SP ADR REP B	0.65%	Reduce -0.1%	4,433,955	$125.45M	$28.29	No quote
45	HOUS	REALOGY HLDGS CORP COM	0.62%	-	2,428,511	$118.61M	No quote	No quote
46	GRA	GRACE W R & CO DEL NEW COM	0.60%	New	1,493,884	$115.79M	No quote	No quote
47	TSLA	TESLA MTRS INC COM	0.35%	New	1,758,000	$66.61M	$37.89	No quote
48	SHLD	SEARS HLDGS CORP COM	0.33%	-	1,273,500	$63.64M	No quote	No quote
49	WDAY	WORKDAY INC CL A	0.31%	-	980,494	$60.43M	$61.63	No quote
50	5109REG	PACTERA TECHNOLOGY INTL SPONSORED ADR	0.25%	-	7,617,690	$48.91M	No quote	No quote
51	CP	CANADIAN PAC RY LTD COM	0.24%	-	356,494	$46.51M	$130.47	No quote
52	YNDX	YANDEX N V SHS CLASS A	0.20%	New	1,705,900	$39.48M	No quote	No quote
53	ISS	ISOFTSTONE HLDGS LTD SPONSORED ADS	0.13%	-	5,253,739	$25.69M	No quote	No quote
54	HTHT	CHINA LODGING GROUP LTD SPONSORED ADR	0.10%	Reduce -13.1%	1,114,743	$18.35M	$16.46	No quote
55	RAX	RACKSPACE HOSTING INC COM	0.05%	New	200,000	$10.1M	No quote	No quote
56	QUAD	QUAD / GRAPHICS INC COM CL A	0.02%	New	159,700	$3.82M	$23.94	No quote
63	NTES	NETEASE INC SPONSORED ADR	-	Sold	0	$0	No quote	No quote
62	INFA	INFORMATICA CORP COM	-	Sold	0	$0	No quote	No quote
61	HLF	HERBALIFE LTD COM USD SHS	-	Sold	0	$0	No quote	No quote
60	FTR	FRONTIER COMMUNICATIONS CORP COM	-	Sold	0	$0	No quote	No quote
59	META	FACEBOOK INC CL A	-	Sold	0	$0	No quote	No quote
58	CCI	CROWN CASTLE INTL CORP COM	-	Sold	0	$0	No quote	No quote
57	AH	ACCRETIVE HEALTH INC COM	-	Sold	0	$0	No quote	No quote