Cathie Wood - ARK Invest 13F Activity & Position Changes (Q3 2019)

As of Sep 30, 2019, 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 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	Name	Type	Change Qty	% Change	Value	Remaining
Q3 2019	AAPL Apple Inc.	Apple Inc.	Sell	-7,333	-8.2%	$18.40K	82,169
Q3 2019	ADBE Adobe Inc.	Adobe Inc.	Sell	-3,703	-13.5%	$6.53K	23,644
Q3 2019	ADSK Autodesk, Inc.	Autodesk, Inc.	Buy	+168,411	+512.7%	$29.73K	201,258
Q3 2019	ALGN Align Technology, Inc.	Align Technology, Inc.	Sell	-10,098	-85.3%	$315.00	1,739
Q3 2019	ALTR Altair Engineering Inc.	Altair Engineering Inc.	Sell	-2,234	-7.4%	$973.00	28,093
Q3 2019	AMD Advanced Micro Devices, Inc.	Advanced Micro Devices, Inc.	Sell	-2,971	-1.4%	$6.08K	209,772
Q3 2019	AME AMETEK, Inc.	AMETEK, Inc.	Sell	-395	-6.7%	$503.00	5,476
Q3 2019	AMZN Amazon.com, Inc.	Amazon.com, Inc.	Sell	-1,525	-13.6%	$16.77K	9,658
Q3 2019	ANSS ANSYS, Inc.	ANSYS, Inc.	Sell	-1,757	-10.2%	$3.42K	15,433
Q3 2019	ARCT Arcturus Therapeutics Holdings	Arcturus Therapeutics Holdings	Buy	+270,045	+26.9%	$13.09K	1,274,413
Q3 2019	ATI ATI Inc.	ATI Inc.	Sell	-51	-2.6%	$39.00	1,932
Q3 2019	AVAV AeroVironment, Inc.	AeroVironment, Inc.	Sell	-2,534	-1.4%	$9.60K	179,242
Q3 2019	BABA Alibaba Group Holding Limited	Alibaba Group Holding Limited	Sell	-18,229	-12.0%	$22.40K	133,930
Q3 2019	BIDU Baidu, Inc.	Baidu, Inc.	Sell	-497,692	-78.8%	$13.80K	134,268
Q3 2019	BLUE bluebird bio, Inc.	bluebird bio, Inc.	Sell	-68,141	-62.9%	$3.69K	40,200
Q3 2019	BMY Bristol-Myers Squibb Company	Bristol-Myers Squibb Company	Sell	-31,709	-9.0%	$16.26K	320,712
Q3 2019	BWAY Brainsway Ltd.	Brainsway Ltd.	Sell - Position Exit	-82,313	-100.0%	$0.00	-
Q3 2019	CDNA CareDx, Inc.	CareDx, Inc.	Buy	+189,692	+148.7%	$7.17K	317,300
Q3 2019	CDXS Codexis, Inc.	Codexis, Inc.	Buy	+293,173	+86.9%	$8.65K	630,461
Q3 2019	CERS Cerus Corporation	Cerus Corporation	Buy	+190,148	+2.2%	$44.76K	8,683,170
Q3 2019	CGEN Compugen	Compugen	Buy	+194,676	+2.3%	$36.76K	8,691,317
Q3 2019	CGNX Cognex Corporation	Cognex Corporation	Sell	-1,973	-2.8%	$3.42K	69,601
Q3 2019	CHKP Check Point	Check Point	Sell	-156	-3.8%	$435.00	3,971
Q3 2019	CLLS Cellectis S.A.	Cellectis S.A.	Buy	+136,677	+12.4%	$12.89K	1,239,863
Q3 2019	CRM Salesforce, Inc.	Salesforce, Inc.	Sell	-12,749	-3.1%	$59.33K	399,685
Q3 2019	CRS Carpenter Technology Corporatio	Carpenter Technology Corporatio	Buy	+21	+2.1%	$54.00	1,039
Q3 2019	CSTL Castle Biosciences, Inc.	Castle Biosciences, Inc.	Buy - Position Entry	+166,087	-	$3.00K	166,087
Q3 2019	CTVA Corteva, Inc.	Corteva, Inc.	Sell - Position Exit	-421	-100.0%	$0.00	-
Q3 2019	CYBR CyberArk	CyberArk	Sell	-923	-21.9%	$328.00	3,283
Q3 2019	DASTY Dassault Systemes SA	Dassault Systemes SA	Sell - Position Exit	-8,172	-100.0%	$0.00	-

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