Alex Sacerdote - Whale Rock Capital Management 13F Activity & Position Changes (Q3 2015)

According to the SEC 13F filed on Aug 14, 2026, the Whale Rock Capital Management portfolio showed several notable changes in holdings as of quarter-end Sep 30, 2015. 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 2015, the filing reported:

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

Showing 30 of 31 transactions.

Date Symbol Type Change Qty
Q3 2015
4ATVI
ACTIVISION BLIZZARD INC
Buy - Position Entry
+860,548
Q3 2015
AAOI
Applied Optoelectronics, Inc.
Buy - Position Entry
+810,125
Q3 2015
AAPL
Apple Inc.
Buy
+68,384
Q3 2015
ADBE
Adobe Inc.
Buy - Position Entry
+199,599
Q3 2015
ADI
Analog Devices, Inc.
Buy
+61,690
Q3 2015
AMZN
Amazon.com, Inc.
Sell
-6,291
Q3 2015
BABA
Alibaba Group Holding Limited
Sell - Position Exit
-416,495
Q3 2015
CRM
Salesforce, Inc.
Sell
-505,770
Q3 2015
EA
Electronic Arts Inc.
Sell
-165,249
Q3 2015
EPAM
EPAM Systems, Inc.
Buy
+75,336
Q3 2015
IACIEUR
IAC/INTERACTIVECORP
Sell
-568,718
Q3 2015
INFN
Infinera Corporation
Sell - Position Exit
-162,139
Q3 2015
IPHI
INPHI CORP
Sell
-71,109
Q3 2015
JD
JD.com, Inc.
Sell
-390,644
Q3 2015
META
Meta Platforms, Inc.
Sell
-165,137
Q3 2015
MPWR
Monolithic Power Systems, Inc.
Buy - Position Entry
+183,800
Q3 2015
MXL
MaxLinear, Inc
Buy
+212,395
Q3 2015
NEWREUR
NEW RELIC INC
Buy
+2,678
Q3 2015
NFLX
Netflix, Inc.
Buy - Position Entry
+273,846
Q3 2015
NTES
NetEase, Inc.
Buy
+126,840
Q3 2015
NVDA
NVIDIA Corporation
Buy - Position Entry
+725,000
Q3 2015
PANW
Palo Alto Networks, Inc.
Sell
-96,619
Q3 2015
QRVO
Qorvo, Inc.
Sell
-220,189
Q3 2015
SHOP
Shopify Inc.
Sell - Position Exit
-19,998
Q3 2015
TREE
LendingTree, Inc.
Buy - Position Entry
+58,746
Q3 2015
VIPS
Vipshop Holdings Limited
Sell - Position Exit
-1,362,639
Q3 2015
W
Wayfair Inc.
Buy - Position Entry
+691,163
Q3 2015
WDAY
Workday, Inc.
Buy - Position Entry
+135,771
Q3 2015
WIX
Wix.com Ltd.
Sell - Position Exit
-797,417
Q3 2015
ZBRA
Zebra Technologies Corporation
Sell - Position Exit
-79,489