Stephen Mandel - Lone Pine Capital 13F Activity & Position Changes (Q3 2018)

According to the SEC 13F filed on Aug 14, 2026, the Lone Pine Capital portfolio showed several notable changes in holdings as of quarter-end Sep 30, 2018. The activity included new positions, additions to existing holdings, reductions, and complete exits, providing a clear view of how the portfolio evolved during the quarter.

During Q3 2018, the filing reported:

New Buys - NIO Inc., Union Pacific Corporation

Increases - Adobe Inc., Alibaba Group Holding Limited, Electronic Arts Inc., Alphabet Inc., Meta Platforms, Inc., and 6 more

Reductions - Amazon.com, Inc., CSX Corporation, IQVIA Holdings, Inc., MercadoLibre, Inc., PayPal Holdings, Inc., and 2 more

Complete Exits - Booking Holdings Inc. Common St, Dollar Tree, Inc., PagSeguro Digital, Mohawk Industries, Inc., SBA Communications Corporation, and 1 more

These updates highlight how the portfolio adjusted across different sectors and market conditions, offering insights into allocation shifts and investment trends.

Date	Symbol	Name	Type	Change Qty	% Change	Value	Remaining
Q3 2018	ADBE Adobe Inc.	Adobe Inc.	Buy	+968,409	+21.7%	$1.46M	5,424,771
Q3 2018	AMZN Amazon.com, Inc.	Amazon.com, Inc.	Sell	-75,890	-17.9%	$698.67K	348,814
Q3 2018	BABA Alibaba Group Holding Limited	Alibaba Group Holding Limited	Buy	+3,337,472	+52.2%	$1.60M	9,732,169
Q3 2018	BKNG Booking Holdings Inc. Common St	Booking Holdings Inc. Common St	Sell - Position Exit	-531,060	-100.0%	$0.00	-
Q3 2018	CSX CSX Corporation	CSX Corporation	Sell	-3,761,760	-28.5%	$698.33K	9,430,475
Q3 2018	DLTR Dollar Tree, Inc.	Dollar Tree, Inc.	Sell - Position Exit	-7,233,575	-100.0%	$0.00	-
Q3 2018	EA Electronic Arts Inc.	Electronic Arts Inc.	Buy	+1,538,448	+24.4%	$946.55K	7,855,868
Q3 2018	G68707101 PagSeguro Digital	PagSeguro Digital	Sell - Position Exit	-3,189,119	-100.0%	$0.00	-
Q3 2018	GOOG Alphabet Inc.	Alphabet Inc.	Buy	+233,496	+35.5%	$1.06M	891,299
Q3 2018	IQV IQVIA Holdings, Inc.	IQVIA Holdings, Inc.	Sell	-1,716,683	-17.0%	$1.09M	8,403,439
Q3 2018	MELI MercadoLibre, Inc.	MercadoLibre, Inc.	Sell	-387,272	-17.8%	$607.83K	1,785,259
Q3 2018	META Meta Platforms, Inc.	Meta Platforms, Inc.	Buy	+458,653	+13.5%	$635.34K	3,863,203
Q3 2018	MHK Mohawk Industries, Inc.	Mohawk Industries, Inc.	Sell - Position Exit	-477,072	-100.0%	$0.00	-
Q3 2018	MSFT Microsoft Corporation	Microsoft Corporation	Buy	+1,233,000	+9.9%	$1.57M	13,737,471
Q3 2018	NIO NIO Inc.	NIO Inc.	Buy - Position Entry	+3,736,290	-	$18.07K	3,736,290
Q3 2018	NOW ServiceNow, Inc.	ServiceNow, Inc.	Buy	+152,384	+5.1%	$619.49K	3,166,637
Q3 2018	NVDA NVIDIA Corporation	NVIDIA Corporation	Buy	+100,500	+4.7%	$628.15K	2,235,268
Q3 2018	PYPL PayPal Holdings, Inc.	PayPal Holdings, Inc.	Sell	-358,172	-5.7%	$523.75K	5,962,509
Q3 2018	SBAC SBA Communications Corporation	SBA Communications Corporation	Sell - Position Exit	-3,508,194	-100.0%	$0.00	-
Q3 2018	SQ Block, Inc.	Block, Inc.	Sell - Position Exit	-2,694,573	-100.0%	$0.00	-
Q3 2018	STZ Constellation Brands, Inc.	Constellation Brands, Inc.	Buy	+433,928	+11.2%	$929.70K	4,311,764
Q3 2018	TDG Transdigm Group Incorporated	Transdigm Group Incorporated	Buy	+1,300	+0.1%	$656.41K	1,763,113
Q3 2018	TRU TransUnion	TransUnion	Sell	-310,600	-3.1%	$722.50K	9,819,201
Q3 2018	UNH UnitedHealth Group Incorporated	UnitedHealth Group Incorporated	Sell	-1,103,754	-26.8%	$802.82K	3,017,661
Q3 2018	UNP Union Pacific Corporation	Union Pacific Corporation	Buy - Position Entry	+3,224,826	-	$525.10K	3,224,826
Q3 2018	WYNN Wynn Resorts, Limited	Wynn Resorts, Limited	Buy	+2,157,043	+56.8%	$756.71K	5,955,497