Stephen Mandel - Lone Pine Capital 13F Activity & Position Changes (Q1 2026)
According to the SEC 13F filed on May 15, 2026, the Lone Pine Capital portfolio showed several notable changes in holdings as of quarter-end Mar 31, 2026. 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 Q1 2026, the filing reported:
New Buys - Argan, Inc., Ciena Corporation, Corning Incorporated, Alphabet Inc., Hut 8 Corp., and 6 more
Increases - Applovin Corporation, ASML, Clean Harbors, Inc., Carpenter Technology Corporatio, Entegris, Inc., and 8 more
Reductions - Amphenol Corporation, Booking Holdings Inc. Common St, Brookfield Corporation, Boston Scientific Corporation, Capital One Financial Corporati, and 6 more
Complete Exits - Affirm Holdings, Inc., Amazon.com, Inc., Broadcom Inc., DoorDash, Inc., Microsoft Corporation, and 2 more
These updates highlight how the portfolio adjusted across different sectors and market conditions, offering insights into allocation shifts and investment trends.
| Date | Symbol | Type | Change Qty |
|---|---|---|---|
|
Q1 2026
|
AFRM
Affirm Holdings, Inc.
|
Sell - Position Exit |
-3,817,170
|
|
Q1 2026
|
AGX
Argan, Inc.
|
Buy - Position Entry |
+393,134
|
|
Q1 2026
|
AMZN
Amazon.com, Inc.
|
Sell - Position Exit |
-2,414,520
|
|
Q1 2026
|
APH
Amphenol Corporation
|
Sell |
-2,586,689
|
|
Q1 2026
|
APP
Applovin Corporation
|
Buy |
+684,393
|
|
Q1 2026
|
ASML
ASML
|
Buy |
+50,131
|
|
Q1 2026
|
AVGO
Broadcom Inc.
|
Sell - Position Exit |
-1,730,216
|
|
Q1 2026
|
BKNG
Booking Holdings Inc. Common St
|
Sell |
-2,225
|
|
Q1 2026
|
BN
Brookfield Corporation
|
Sell |
-4,714,391
|
|
Q1 2026
|
BSX
Boston Scientific Corporation
|
Sell |
-97,048
|
|
Q1 2026
|
CIEN
Ciena Corporation
|
Buy - Position Entry |
+809,522
|
|
Q1 2026
|
CLH
Clean Harbors, Inc.
|
Buy |
+376,825
|
|
Q1 2026
|
COF
Capital One Financial Corporati
|
Sell |
-27,835
|
|
Q1 2026
|
CRS
Carpenter Technology Corporatio
|
Buy |
+505,002
|
|
Q1 2026
|
CVNA
Carvana Co.
|
Sell |
-24,619
|
|
Q1 2026
|
DASH
DoorDash, Inc.
|
Sell - Position Exit |
-2,529,879
|
|
Q1 2026
|
ENTG
Entegris, Inc.
|
Buy |
+60,824
|
|
Q1 2026
|
G6683N103
Nu Holdings
|
Buy |
+8,380,988
|
|
Q1 2026
|
GLW
Corning Incorporated
|
Buy - Position Entry |
+3,718,147
|
|
Q1 2026
|
GOOGL
Alphabet Inc.
|
Buy - Position Entry |
+187,561
|
|
Q1 2026
|
HLT
Hilton Worldwide Holdings Inc.
|
Buy |
+31,432
|
|
Q1 2026
|
HUT
Hut 8 Corp.
|
Buy - Position Entry |
+6,078,951
|
|
Q1 2026
|
KKR
KKR & Co. Inc.
|
Sell |
-4,821,777
|
|
Q1 2026
|
LPLA
LPL Financial Holdings Inc.
|
Sell |
-24,981
|
|
Q1 2026
|
MA
Mastercard Incorporated
|
Sell |
-39,137
|
|
Q1 2026
|
MCK
McKesson Corporation
|
Buy - Position Entry |
+392,224
|
|
Q1 2026
|
MSFT
Microsoft Corporation
|
Sell - Position Exit |
-1,234,125
|
|
Q1 2026
|
MTZ
MasTec, Inc.
|
Buy - Position Entry |
+1,531,050
|
|
Q1 2026
|
PFGC
Performance Food Group Company
|
Buy - Position Entry |
+3,978,158
|
|
Q1 2026
|
PM
Philip Morris International Inc
|
Sell - Position Exit |
-2,643,579
|
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