Cathie Wood - ARK Invest 13F Activity & Position Changes (Q4 2016)

As of Dec 31, 2016, 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 2016, the filing reported:

Increases - None reported
Reductions - None reported
Complete Exits - None reported

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 2016
ADBE
Adobe Inc.
Buy - Position Entry
+769
Q4 2016
ADSK
Autodesk, Inc.
Buy - Position Entry
+11,778
Q4 2016
AGIO
Agios Pharmaceuticals, Inc.
Buy - Position Entry
+4,555
Q4 2016
AKAM
Akamai Technologies, Inc.
Buy - Position Entry
+4,765
Q4 2016
ALB
Albemarle Corporation
Buy - Position Entry
+2,493
Q4 2016
ALGN
Align Technology, Inc.
Buy - Position Entry
+5,850
Q4 2016
ALNT
Allient Inc.
Buy - Position Entry
+6,300
Q4 2016
ALNY
Alnylam Pharmaceuticals, Inc.
Buy - Position Entry
+123,730
Q4 2016
AME
AMETEK, Inc.
Buy - Position Entry
+3,272
Q4 2016
AMZN
Amazon.com, Inc.
Buy - Position Entry
+17,717
Q4 2016
ANSS
ANSYS, Inc.
Buy - Position Entry
+4,353
Q4 2016
ATI
ATI Inc.
Buy - Position Entry
+1,216
Q4 2016
AVAV
AeroVironment, Inc.
Buy - Position Entry
+120,189
Q4 2016
BABA
Alibaba Group Holding Limited
Buy - Position Entry
+44,741
Q4 2016
BIDU
Baidu, Inc.
Buy - Position Entry
+66,224
Q4 2016
BIIB
Biogen Inc.
Buy - Position Entry
+3,343
Q4 2016
BLUE
bluebird bio, Inc.
Buy - Position Entry
+75,645
Q4 2016
BMRN
BioMarin Pharmaceutical Inc.
Buy - Position Entry
+960
Q4 2016
BOX
Box, Inc.
Buy - Position Entry
+11,835
Q4 2016
CERS
Cerus Corporation
Buy - Position Entry
+661,815
Q4 2016
CGEN
Compugen
Buy - Position Entry
+220,850
Q4 2016
CRM
Salesforce, Inc.
Buy - Position Entry
+79,682
Q4 2016
CRS
Carpenter Technology Corporatio
Buy - Position Entry
+552
Q4 2016
DDD
3D Systems Corporation
Buy - Position Entry
+312,195
Q4 2016
EMN
Eastman Chemical Company
Buy - Position Entry
+322
Q4 2016
FARO
FARO Technologies, Inc.
Buy - Position Entry
+4,390
Q4 2016
FLEX
Flex
Buy - Position Entry
+12,291
Q4 2016
GOOG
Alphabet Inc.
Buy - Position Entry
+12,120
Q4 2016
HPQ
HP Inc.
Buy - Position Entry
+52,704
Q4 2016
HUBS
HubSpot, Inc.
Buy - Position Entry
+8,816
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