Cathie Wood - ARK Invest 13F Activity & Position Changes (Q4 2019)
According to the SEC 13F filed on Aug 14, 2026, the ARK Invest portfolio showed several notable changes in holdings as of quarter-end Dec 31, 2019. 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 2019, the filing reported:
New Buys - Alphabet Inc., InMode, Magic Software Enterprises Ltd., Sea Limited, Zillow Group, Inc., and 1 more
Increases - Adobe Inc., Autodesk, Inc., Align Technology, Inc., Amazon.com, Inc., Arcturus Therapeutics Holdings , and 57 more
Reductions - Apple Inc., Altair Engineering Inc., Advanced Micro Devices, Inc., AMETEK, Inc., ANSYS, Inc., and 48 more
Complete Exits - bluebird bio, Inc., Alphabet Inc., MSCI Inc., Nutanix, Inc., Thermo Fisher Scientific Inc, 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 |
|---|---|---|---|
|
Q4 2019
|
AAPL
Apple Inc.
|
Sell |
-10,554
|
|
Q4 2019
|
ADBE
Adobe Inc.
|
Buy |
+342
|
|
Q4 2019
|
ADSK
Autodesk, Inc.
|
Buy |
+4,089
|
|
Q4 2019
|
ALGN
Align Technology, Inc.
|
Buy |
+172
|
|
Q4 2019
|
ALTR
Altair Engineering Inc.
|
Sell |
-335
|
|
Q4 2019
|
AMD
Advanced Micro Devices, Inc.
|
Sell |
-19,733
|
|
Q4 2019
|
AME
AMETEK, Inc.
|
Sell |
-855
|
|
Q4 2019
|
AMZN
Amazon.com, Inc.
|
Buy |
+1,596
|
|
Q4 2019
|
ANSS
ANSYS, Inc.
|
Sell |
-1,503
|
|
Q4 2019
|
ARCT
Arcturus Therapeutics Holdings
|
Buy |
+109,343
|
|
Q4 2019
|
ATI
ATI Inc.
|
Buy |
+63
|
|
Q4 2019
|
AVAV
AeroVironment, Inc.
|
Buy |
+3,590
|
|
Q4 2019
|
BABA
Alibaba Group Holding Limited
|
Buy |
+18,164
|
|
Q4 2019
|
BIDU
Baidu, Inc.
|
Sell |
-32,383
|
|
Q4 2019
|
BLUE
bluebird bio, Inc.
|
Sell - Position Exit |
-40,200
|
|
Q4 2019
|
BMY
Bristol-Myers Squibb Company
|
Sell |
-267,658
|
|
Q4 2019
|
CDNA
CareDx, Inc.
|
Buy |
+248,138
|
|
Q4 2019
|
CDXS
Codexis, Inc.
|
Buy |
+53,394
|
|
Q4 2019
|
CERS
Cerus Corporation
|
Buy |
+733,290
|
|
Q4 2019
|
CGEN
Compugen
|
Buy |
+283,993
|
|
Q4 2019
|
CGNX
Cognex Corporation
|
Sell |
-22,952
|
|
Q4 2019
|
CHKP
Check Point
|
Sell |
-668
|
|
Q4 2019
|
CLLS
Cellectis S.A.
|
Buy |
+102,138
|
|
Q4 2019
|
CRM
Salesforce, Inc.
|
Buy |
+70,859
|
|
Q4 2019
|
CRS
Carpenter Technology Corporatio
|
Sell |
-254
|
|
Q4 2019
|
CSTL
Castle Biosciences, Inc.
|
Buy |
+39,927
|
|
Q4 2019
|
CYBR
CyberArk
|
Buy |
+216
|
|
Q4 2019
|
DD
DuPont de Nemours, Inc.
|
Sell |
-44
|
|
Q4 2019
|
DDD
3D Systems Corporation
|
Sell |
-4,911
|
|
Q4 2019
|
DE
Deere & Company
|
Buy |
+454
|
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