Cathie Wood - ARK Invest 13F Activity & Position Changes (Q3 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 Sep 30, 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 Q3 2019, the filing reported:
New Buys - Castle Biosciences, Inc., DocuSign, Inc., Fiverr, Iridium Communications Inc, Komatsu Ltd., and 8 more
Increases - Autodesk, Inc., Arcturus Therapeutics Holdings , CareDx, Inc., Codexis, Inc., Cerus Corporation, and 45 more
Reductions - Apple Inc., Adobe Inc., Align Technology, Inc., Altair Engineering Inc., Advanced Micro Devices, Inc., and 52 more
Complete Exits - Brainsway Ltd., Corteva, Inc., Dassault Systemes SA, Dreyfus Strategic Municipal Bon, Fiserv, Inc., and 4 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 |
|---|---|---|---|
|
Q3 2019
|
AAPL
Apple Inc.
|
Sell |
-7,333
|
|
Q3 2019
|
ADBE
Adobe Inc.
|
Sell |
-3,703
|
|
Q3 2019
|
ADSK
Autodesk, Inc.
|
Buy |
+168,411
|
|
Q3 2019
|
ALGN
Align Technology, Inc.
|
Sell |
-10,098
|
|
Q3 2019
|
ALTR
Altair Engineering Inc.
|
Sell |
-2,234
|
|
Q3 2019
|
AMD
Advanced Micro Devices, Inc.
|
Sell |
-2,971
|
|
Q3 2019
|
AME
AMETEK, Inc.
|
Sell |
-395
|
|
Q3 2019
|
AMZN
Amazon.com, Inc.
|
Sell |
-1,525
|
|
Q3 2019
|
ANSS
ANSYS, Inc.
|
Sell |
-1,757
|
|
Q3 2019
|
ARCT
Arcturus Therapeutics Holdings
|
Buy |
+270,045
|
|
Q3 2019
|
ATI
ATI Inc.
|
Sell |
-51
|
|
Q3 2019
|
AVAV
AeroVironment, Inc.
|
Sell |
-2,534
|
|
Q3 2019
|
BABA
Alibaba Group Holding Limited
|
Sell |
-18,229
|
|
Q3 2019
|
BIDU
Baidu, Inc.
|
Sell |
-497,692
|
|
Q3 2019
|
BLUE
bluebird bio, Inc.
|
Sell |
-68,141
|
|
Q3 2019
|
BMY
Bristol-Myers Squibb Company
|
Sell |
-31,709
|
|
Q3 2019
|
BWAY
Brainsway Ltd.
|
Sell - Position Exit |
-82,313
|
|
Q3 2019
|
CDNA
CareDx, Inc.
|
Buy |
+189,692
|
|
Q3 2019
|
CDXS
Codexis, Inc.
|
Buy |
+293,173
|
|
Q3 2019
|
CERS
Cerus Corporation
|
Buy |
+190,148
|
|
Q3 2019
|
CGEN
Compugen
|
Buy |
+194,676
|
|
Q3 2019
|
CGNX
Cognex Corporation
|
Sell |
-1,973
|
|
Q3 2019
|
CHKP
Check Point
|
Sell |
-156
|
|
Q3 2019
|
CLLS
Cellectis S.A.
|
Buy |
+136,677
|
|
Q3 2019
|
CRM
Salesforce, Inc.
|
Sell |
-12,749
|
|
Q3 2019
|
CRS
Carpenter Technology Corporatio
|
Buy |
+21
|
|
Q3 2019
|
CSTL
Castle Biosciences, Inc.
|
Buy - Position Entry |
+166,087
|
|
Q3 2019
|
CTVA
Corteva, Inc.
|
Sell - Position Exit |
-421
|
|
Q3 2019
|
CYBR
CyberArk
|
Sell |
-923
|
|
Q3 2019
|
DASTY
Dassault Systemes SA
|
Sell - Position Exit |
-8,172
|
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