Cathie Wood - ARK Invest 13F Activity & Position Changes (Q4 2018)
As of Dec 31, 2018, the ARK Invest portfolio activity showed several notable changes in holdings, according to the latest SEC 13F filing reported on May 12, 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 Q4 2018, the filing reported:
New Buys - Codexis, Inc., Eventbrite, Inc., Grayscale Bitcoin Trust (BTC), PDD Holdings Inc., Sarepta Therapeutics, Inc., and 1 more
Increases - Align Technology, Inc., Amazon.com, Inc., AeroVironment, Inc., Baidu, Inc., Cerus Corporation, and 30 more
Reductions - Apple Inc., Adobe Inc., Autodesk, Inc., Advanced Micro Devices, Inc., AMETEK, Inc., and 49 more
Complete Exits - BeiGene, Ltd., Biogen Inc., Bristol-Myers Squibb Company, Cboe Global Markets, Inc., ServiceNow, Inc., and 3 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 |
|---|---|---|---|
|
Q4 2018
|
AAPL
Apple Inc.
|
Sell |
-161,330
|
|
Q4 2018
|
ADBE
Adobe Inc.
|
Sell |
-14,253
|
|
Q4 2018
|
ADSK
Autodesk, Inc.
|
Sell |
-641
|
|
Q4 2018
|
ALGN
Align Technology, Inc.
|
Buy |
+6,932
|
|
Q4 2018
|
AMD
Advanced Micro Devices, Inc.
|
Sell |
-65,242
|
|
Q4 2018
|
AME
AMETEK, Inc.
|
Sell |
-872
|
|
Q4 2018
|
AMZN
Amazon.com, Inc.
|
Buy |
+4,761
|
|
Q4 2018
|
ANSS
ANSYS, Inc.
|
Sell |
-444
|
|
Q4 2018
|
ATI
ATI Inc.
|
Sell |
-349
|
|
Q4 2018
|
AVAV
AeroVironment, Inc.
|
Buy |
+12,199
|
|
Q4 2018
|
BABA
Alibaba Group Holding Limited
|
Sell |
-39,001
|
|
Q4 2018
|
BGNE
BeiGene, Ltd.
|
Sell - Position Exit |
-20,207
|
|
Q4 2018
|
BIDU
Baidu, Inc.
|
Buy |
+120,018
|
|
Q4 2018
|
BIIB
Biogen Inc.
|
Sell - Position Exit |
-22,498
|
|
Q4 2018
|
BLUE
bluebird bio, Inc.
|
Sell |
-203,706
|
|
Q4 2018
|
BMY
Bristol-Myers Squibb Company
|
Sell - Position Exit |
-55,283
|
|
Q4 2018
|
CBOE
Cboe Global Markets, Inc.
|
Sell - Position Exit |
-535
|
|
Q4 2018
|
CDXS
Codexis, Inc.
|
Buy - Position Entry |
+214,298
|
|
Q4 2018
|
CERS
Cerus Corporation
|
Buy |
+241,750
|
|
Q4 2018
|
CGEN
Compugen
|
Buy |
+201,291
|
|
Q4 2018
|
CGNX
Cognex Corporation
|
Buy |
+8,649
|
|
Q4 2018
|
CHKP
Check Point
|
Sell |
-437
|
|
Q4 2018
|
CLLS
Cellectis S.A.
|
Buy |
+320,294
|
|
Q4 2018
|
CRM
Salesforce, Inc.
|
Buy |
+102,660
|
|
Q4 2018
|
CRS
Carpenter Technology Corporatio
|
Sell |
-67
|
|
Q4 2018
|
CYBR
CyberArk
|
Sell |
-754
|
|
Q4 2018
|
DDD
3D Systems Corporation
|
Sell |
-44,652
|
|
Q4 2018
|
DE
Deere & Company
|
Sell |
-4,355
|
|
Q4 2018
|
EB
Eventbrite, Inc.
|
Buy - Position Entry |
+152,573
|
|
Q4 2018
|
EDIT
Editas Medicine, Inc.
|
Buy |
+230,635
|
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