Stephen Mandel - Lone Pine Capital 13F Activity & Position Changes (Q1 2026)
As of Mar 31, 2026, the Lone Pine Capital portfolio activity showed several notable changes in holdings, according to the latest SEC 13F filing reported on May 15, 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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