ARK Investment Management 13F-HR/A Quarterly holdings report by institutional manager (amended)

The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE

OMB APPROVAL

OMB Number:		3235-0006
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COLUMN 1	COLUMN 2	COLUMN 3	COLUMN 4	COLUMN 5			COLUMN 6	COLUMN 7	COLUMN 8
			VALUE	SHRS OR	SH/	PUT/	INVESTMENT	OTHER	VOTING AUTHORITY
NAME OF ISSUER	TITLE OF CLASS	CUSIP	(x$1000)	PRN AMT	PRN	CALL	DISCRETION	MANAGER	SOLE	SHARED	NONE
2U Inc	Common Stock	90214J101	28,351	570,214	SH		SOLE		467,347	4,126	98,741
3D Systems Corp	Common Stock	88554D205	1,401	137,725	SH		SOLE		137,725	0	0
3M Co	Common Stock	88579Y101	53	280	SH		SOLE		280	0	0
Adobe Inc	Common Stock	00724F101	6,549	28,948	SH		SOLE		28,948	0	0
Advanced Micro Devices Inc	Common Stock	007903107	10,613	574,938	SH		SOLE		574,938	0	0
Aerovironment Inc	Common Stock	008073108	7,857	115,625	SH		SOLE		56,686	0	58,939
Alibaba Group Holding Ltd	ADR	01609W102	13,240	96,591	SH		SOLE		60,003	6,749	29,839
Align Technology Inc	Common Stock	016255101	3,961	18,914	SH		SOLE		18,914	0	0
Allegheny Technologies Inc	Common Stock	01741R102	45	2,063	SH		SOLE		2,063	0	0
Alphabet Inc	Common Stock	02079K107	3,100	2,993	SH		SOLE		2,993	0	0
Amazon.com Inc	Common Stock	023135106	64,310	42,817	SH		SOLE		31,889	1,832	9,096
AMETEK Inc	Common Stock	031100100	508	7,497	SH		SOLE		7,497	0	0
ANSYS Inc	Common Stock	03662Q105	3,009	21,053	SH		SOLE		21,053	0	0
Apple Inc	Common Stock	037833100	16,729	106,052	SH		SOLE		106,052	0	0
Aptiv PLC	Common Stock	G6095L109	5,753	93,442	SH		SOLE		90,939	2,503	0
AquaBounty Technologies Inc	Common Stock	03842K200	605	294,914	SH		SOLE		294,914	0	0
Arconic Inc	Common Stock	03965L100	353	20,958	SH		SOLE		20,958	0	0
Arcturus Therapeutics Ltd	Common Stock	M1492T105	3,693	815,176	SH		SOLE		815,176	0	0
Arkema SA	Common Stock	F0392W125	43	499	SH		SOLE		499	0	0
Arrk Corp	Common Stock	J0198N101	347	504,801	SH		SOLE		504,801	0	0
ASX Ltd	Common Stock	Q0604U105	65	1,579	SH		SOLE		1,579	0	0
Atlassian Corp PLC	Common Stock	G06242104	5,361	60,252	SH		SOLE		60,252	0	0
Attunity Ltd	Common Stock	M15332121	585	29,720	SH		SOLE		29,720	0	0
AudioCodes Ltd	Common Stock	M15342104	512	51,850	SH		SOLE		51,850	0	0
Autodesk Inc	Common Stock	052769106	4,728	36,761	SH		SOLE		36,761	0	0
Baidu Inc	ADR	056752108	115,689	729,440	SH		SOLE		536,743	37,184	155,513
Bayer AG	Common Stock	D0712D163	27	390	SH		SOLE		0	390	0
Bellicum Pharmaceuticals Inc	Common Stock	079481107	3,018	1,033,491	SH		SOLE		1,033,491	0	0
Bertrandt AG	Common Stock	D1014N107	442	5,638	SH		SOLE		5,638	0	0
Bezeq The Israeli Telecommunic	Common Stock	M2012Q100	438	449,052	SH		SOLE		449,052	0	0
Bluebird Bio Inc	Common Stock	09609G100	19,536	196,938	SH		SOLE		110,159	13,402	73,377
Camtek Ltd/Israel	Common Stock	M20791105	447	65,974	SH		SOLE		65,974	0	0
Carpenter Technology Corp	Common Stock	144285103	38	1,072	SH		SOLE		1,072	0	0
Celgene Corp	Common Stock	151020104	11,171	174,303	SH		SOLE		174,303	0	0
Cellcom Israel Ltd	Common Stock	M2196U109	469	79,461	SH		SOLE		79,461	0	0
Cellectis SA	ADR	15117K103	11,894	714,336	SH		SOLE		628,390	75,257	10,689
Ceragon Networks Ltd	Common Stock	M22013102	508	134,337	SH		SOLE		134,337	0	0
Cerus Corp	Common Stock	157085101	34,176	6,740,782	SH		SOLE		5,031,386	68,123	1,641,273
Charles Schwab Corp/The	Common Stock	808513105	155	3,738	SH		SOLE		3,738	0	0
Check Point Software Technolog	Common Stock	M22465104	458	4,464	SH		SOLE		4,464	0	0
Codexis Inc	Common Stock	192005106	3,579	214,298	SH		SOLE		214,298	0	0
Cognex Corp	Common Stock	192422103	2,666	68,945	SH		SOLE		68,945	0	0
Compugen Ltd	Common Stock	M25722105	15,420	7,105,958	SH		SOLE		6,906,103	56,726	143,129
CRISPR Therapeutics AG	Common Stock	H17182108	37,858	1,325,110	SH		SOLE		944,753	77,477	302,880
CyberArk Software Ltd	Common Stock	M2682V108	522	7,046	SH		SOLE		7,046	0	0
Daimler AG	ADR	233825207	1,692	129,032	SH		SOLE		129,032	0	0
Danel Adir Yeoshua Ltd	Common Stock	M27013107	492	10,126	SH		SOLE		10,126	0	0
Dassault Systemes SE	Common Stock	F2457H472	1,457	12,267	SH		SOLE		12,267	0	0
Deere & Co	Common Stock	244199105	1,919	12,867	SH		SOLE		12,867	0	0
DowDuPont Inc	Common Stock	26078J100	51	953	SH		SOLE		953	0	0
Eastman Chemical Co	Common Stock	277432100	50	682	SH		SOLE		682	0	0
Eastman Kodak Co	Common Stock	277461406	57	22,266	SH		SOLE		22,266	0	0
Editas Medicine Inc	Common Stock	28106W103	68,807	3,024,489	SH		SOLE		2,211,222	163,610	649,657
Elbit Systems Ltd	Common Stock	M3760D101	2,275	19,952	SH		SOLE		19,952	0	0
Eventbrite Inc	Common Stock	29975E109	4,243	152,573	SH		SOLE		152,573	0	0
Evogene Ltd	Common Stock	M4119S104	499	252,122	SH		SOLE		252,122	0	0
Evonik Industries AG	Common Stock	D2R90Y117	39	1,550	SH		SOLE		1,550	0	0
ExOne Co/The	Common Stock	302104104	13,100	1,978,817	SH		SOLE		1,597,998	0	380,819
FANUC Corp	Common Stock	J13440102	33	220	SH		SOLE		0	220	0
FARO Technologies Inc	Common Stock	311642102	406	9,988	SH		SOLE		9,988	0	0
FirstRand Ltd	Common Stock	S5202Z131	170	34,982	SH		SOLE		34,982	0	0
Fiserv Inc	Common Stock	337738108	138	1,873	SH		SOLE		1,873	0	0
Foamix Pharmaceuticals Ltd	Common Stock	M46135105	339	94,378	SH		SOLE		94,378	0	0
Galmed Pharmaceuticals Ltd	Common Stock	M47238106	279	40,844	SH		SOLE		40,844	0	0
General Electric Co	Common Stock	369604103	285	37,606	SH		SOLE		37,606	0	0
General Motors Co	Common Stock	37045V100	1,678	50,179	SH		SOLE		50,179	0	0
Gilat Satellite Networks Ltd	Common Stock	M51474118	557	60,300	SH		SOLE		60,300	0	0
GMO internet Inc	Common Stock	J1822R104	37	2,700	SH		SOLE		2,700	0	0
Grayscale Bitcoin Trust BTC	Open-End Fund	389637109	14,427	3,638,710	SH		SOLE		1,386,036	685,136	1,567,538
GrubHub Inc	Common Stock	400110102	8,678	112,983	SH		SOLE		112,983	0	0
Guidewire Software Inc	Common Stock	40171V100	315	3,922	SH		SOLE		3,922	0	0
HDFC Bank Ltd	ADR	40415F101	134	1,297	SH		SOLE		1,297	0	0
Henkel AG & Co KGaA	Common Stock	D3207M102	50	508	SH		SOLE		508	0	0
Hexagon AB	Common Stock	W40063104	472	10,367	SH		SOLE		10,367	0	0
Hexcel Corp	Common Stock	428291108	50	869	SH		SOLE		869	0	0
Hilan Ltd	Common Stock	M5299H123	493	21,003	SH		SOLE		21,003	0	0
Hortonworks Inc	Common Stock	440894103	8,268	573,384	SH		SOLE		343,935	0	229,449
HP Inc	Common Stock	40434L105	2,004	97,957	SH		SOLE		97,957	0	0
HubSpot Inc	Common Stock	443573100	6,766	53,812	SH		SOLE		53,812	0	0
Illumina Inc	Common Stock	452327109	94,970	316,640	SH		SOLE		239,613	15,993	61,034
Incyte Corp	Common Stock	45337C102	4,206	66,147	SH		SOLE		66,147	0	0
Infineon Technologies AG	ADR	45662N103	15	738	SH		SOLE		738	0	0
Inovio Pharmaceuticals Inc	Common Stock	45773H201	7,543	1,885,641	SH		SOLE		1,885,641	0	0
Intec Pharma Ltd	Common Stock	M53644106	727	96,370	SH		SOLE		96,370	0	0
Intellia Therapeutics Inc	Common Stock	45826J105	92,847	6,801,952	SH		SOLE		5,450,752	383,308	967,892
Interactive Brokers Group Inc	Common Stock	45841N107	255	4,674	SH		SOLE		4,674	0	0
Intercontinental Exchange Inc	Common Stock	45866F104	169	2,248	SH		SOLE		2,248	0	0
Intuit Inc	Common Stock	461202103	257	1,307	SH		SOLE		1,307	0	0
Intuitive Surgical Inc	Common Stock	46120E602	2,359	4,926	SH		SOLE		4,926	0	0
Invitae Corp	Common Stock	46185L103	96,997	8,770,073	SH		SOLE		6,990,238	153,433	1,626,402
Ionis Pharmaceuticals Inc	Common Stock	462222100	13,099	242,312	SH		SOLE		181,000	0	61,312
Iovance Biotherapeutics Inc	Common Stock	462260100	6,428	726,360	SH		SOLE		726,360	0	0
Ituran Location and Control Lt	Common Stock	M6158M104	468	14,601	SH		SOLE		14,601	0	0
JD.com Inc	ADR	47215P106	1,745	83,383	SH		SOLE		83,383	0	0
Kamada Ltd	Common Stock	M6240T109	425	85,268	SH		SOLE		85,268	0	0
Koninklijke DSM NV	Common Stock	N5017D122	51	620	SH		SOLE		620	0	0
Kratos Defense & Security Solu	Common Stock	50077B207	1,690	119,953	SH		SOLE		119,953	0	0
LendingClub Corp	Common Stock	52603A109	46,096	17,526,970	SH		SOLE		14,108,403	173,719	3,244,848
LendingTree Inc	Common Stock	52603B107	51,709	235,501	SH		SOLE		178,759	11,977	44,765
Linde PLC	Common Stock	G5494J103	55	351	SH		SOLE		351	0	0
LINE Corp	ADR	53567X101	135	3,963	SH		SOLE		3,963	0	0
Loxo Oncology Inc	Common Stock	548862101	5,664	40,440	SH		SOLE		33,143	6,538	759
Materialise NV	ADR	57667T100	49,292	2,460,912	SH		SOLE		2,244,754	6,823	209,335
Matrix IT Ltd	Common Stock	M6859E153	479	43,384	SH		SOLE		43,384	0	0
Medidata Solutions Inc	Common Stock	58471A105	63,143	936,559	SH		SOLE		723,869	46,940	165,750
Medtronic PLC	Common Stock	G5960L103	438	4,820	SH		SOLE		4,820	0	0
Mellanox Technologies Ltd	Common Stock	M51363113	633	6,857	SH		SOLE		6,857	0	0
MercadoLibre Inc	Common Stock	58733R102	6,374	21,765	SH		SOLE		18,580	2,862	323
MGI Digital Graphic Technology	Common Stock	F4090S113	2,052	44,342	SH		SOLE		44,342	0	0
Microsoft Corp	Common Stock	594918104	1,502	14,786	SH		SOLE		14,786	0	0
Moog Inc	Common Stock	615394202	474	6,118	SH		SOLE		6,118	0	0
MSCI Inc	Common Stock	55354G100	115	783	SH		SOLE		783	0	0
Nano Dimension Ltd	ADR	63008G104	570	513,079	SH		SOLE		513,079	0	0
NanoString Technologies Inc	Common Stock	63009R109	48,030	3,238,692	SH		SOLE		3,140,420	91,512	6,760
Nasdaq Inc	Common Stock	631103108	182	2,232	SH		SOLE		2,232	0	0
Netflix Inc	Common Stock	64110L106	70,187	262,225	SH		SOLE		199,401	15,204	47,620
Nice Ltd	ADR	653656108	508	4,691	SH		SOLE		4,691	0	0
Nintendo Co Ltd	Common Stock	J51699106	45	171	SH		SOLE		0	171	0
Nova Measuring Instruments Ltd	Common Stock	M7516K103	459	20,150	SH		SOLE		20,150	0	0
NuVasive Inc	Common Stock	670704105	331	6,684	SH		SOLE		6,684	0	0
NVIDIA Corp	Common Stock	67066G104	122,036	914,128	SH		SOLE		718,037	39,998	156,093
NXP Semiconductors NV	Common Stock	N6596X109	1,833	25,007	SH		SOLE		25,007	0	0
Opera Ltd	ADR	68373M107	276	49,725	SH		SOLE		10,825	0	38,900
Orbotech Ltd	Common Stock	M75253100	505	8,940	SH		SOLE		8,940	0	0
Organovo Holdings Inc	Common Stock	68620A104	17,285	18,059,829	SH		SOLE		17,929,634	130,195	0
Pacific Biosciences of Califor	Common Stock	69404D108	4	590	SH		SOLE		590	0	0
Partner Communications Co Ltd	Common Stock	M78465107	497	101,428	SH		SOLE		101,428	0	0
PayPal Holdings Inc	Common Stock	70450Y103	10,396	123,629	SH		SOLE		123,629	0	0
Pinduoduo Inc	ADR	722304102	4,931	219,730	SH		SOLE		219,730	0	0
Pluristem Therapeutics Inc	Common Stock	72940R102	2,669	3,387,094	SH		SOLE		3,387,094	0	0
Pointer Telocation Ltd	Common Stock	M7946T104	493	40,543	SH		SOLE		40,543	0	0
PolyOne Corp	Common Stock	73179P106	43	1,510	SH		SOLE		1,510	0	0
Prodways Group SA	Common Stock	F7329W102	1,904	644,576	SH		SOLE		644,576	0	0
Proto Labs Inc	Common Stock	743713109	8,794	77,966	SH		SOLE		42,362	0	35,604
PTC Inc	Common Stock	69370C100	1,408	16,988	SH		SOLE		16,988	0	0
RADCOM Ltd	Common Stock	M81865111	390	52,585	SH		SOLE		52,585	0	0
Radware Ltd	Common Stock	M81873107	486	21,406	SH		SOLE		21,406	0	0
Rakuten Inc	ADR	75102W108	1,792	269,521	SH		SOLE		269,521	0	0
Rakuten Inc	Common Stock	J64264104	165	24,600	SH		SOLE		24,600	0	0
Red Hat Inc	Common Stock	756577102	28	160	SH		SOLE		160	0	0
Redfin Corp	Common Stock	75737F108	124	8,638	SH		SOLE		8,638	0	0
Redhill Biopharma Ltd	ADR	757468103	337	60,741	SH		SOLE		60,741	0	0
Regeneron Pharmaceuticals Inc	Common Stock	75886F107	5,199	13,921	SH		SOLE		13,921	0	0
Renishaw PLC	Common Stock	G75006117	2,372	43,889	SH		SOLE		43,889	0	0
Rubius Therapeutics Inc	Common Stock	78116T103	5,068	315,152	SH		SOLE		257,424	51,793	5,935
salesforce.com Inc	Common Stock	79466L302	48,511	354,169	SH		SOLE		244,677	21,395	88,097
Sandvik AB	Common Stock	W74857165	49	3,484	SH		SOLE		3,484	0	0
Sapiens International Corp NV	Common Stock	G7T16G103	461	41,804	SH		SOLE		41,804	0	0
Sarepta Therapeutics Inc	Common Stock	803607100	273	2,504	SH		SOLE		2,504	0	0
SBI Holdings Inc/Japan	Common Stock	J6991H100	310	16,100	SH		SOLE		16,100	0	0
Seres Therapeutics Inc	Common Stock	81750R102	18,620	4,119,479	SH		SOLE		3,263,090	223,428	632,961
Shopify Inc	Common Stock	82509L107	9,736	70,321	SH		SOLE		70,321	0	0
Siemens AG	Common Stock	D69671218	448	4,024	SH		SOLE		4,024	0	0
Silicom Ltd	Common Stock	M84116108	429	12,275	SH		SOLE		12,275	0	0
SLM Solutions Group AG	Common Stock	D6T690109	1,298	126,097	SH		SOLE		126,097	0	0
SoftBank Group Corp	ADR	83404D109	212	6,517	SH		SOLE		6,517	0	0
SoftBank Group Corp	Common Stock	J75963108	37	555	SH		SOLE		0	555	0
SolarEdge Technologies Inc	Common Stock	83417M104	420	11,978	SH		SOLE		11,978	0	0
Spark Therapeutics Inc	Common Stock	84652J103	5	129	SH		SOLE		129	0	0
Splunk Inc	Common Stock	848637104	52,230	498,136	SH		SOLE		351,800	30,520	115,816
Spotify Technology SA	Common Stock	L8681T102	44,928	395,842	SH		SOLE		289,460	20,430	85,952
Square Inc	Common Stock	852234103	119,804	2,135,920	SH		SOLE		1,567,249	110,253	458,418
Stratasys Ltd	Common Stock	M85548101	122,003	6,774,158	SH		SOLE		4,948,735	337,178	1,488,245
Stryker Corp	Common Stock	863667101	797	5,084	SH		SOLE		5,084	0	0
Suny Cellular Communication Lt	Common Stock	M8708U107	485	1,040,415	SH		SOLE		1,040,415	0	0
Syros Pharmaceuticals Inc	Common Stock	87184Q107	13,706	2,460,621	SH		SOLE		2,172,117	27,456	261,048
Taiwan Semiconductor Manufactu	ADR	874039100	8,903	241,195	SH		SOLE		241,195	0	0
Taro Pharmaceutical Industries	Common Stock	M8737E108	434	5,132	SH		SOLE		5,132	0	0
Teladoc Health Inc	Common Stock	87918A105	32,637	658,407	SH		SOLE		552,664	28,263	77,480
Tencent Holdings Ltd	ADR	88032Q109	103,187	2,614,306	SH		SOLE		1,972,795	128,147	513,364
Teradyne Inc	Common Stock	880770102	81,293	2,590,588	SH		SOLE		1,865,039	152,248	573,301
Tesla Inc	Common Stock	88160R101	137,815	414,107	SH		SOLE		390,684	21,602	1,821
Teva Pharmaceutical Industries	ADR	881624209	364	23,606	SH		SOLE		23,606	0	0
Toray Industries Inc	Common Stock	J89494116	55	7,836	SH		SOLE		7,836	0	0
Tower Semiconductor Ltd	Common Stock	M87915274	367	24,877	SH		SOLE		24,877	0	0
Trade Me Group Ltd	Common Stock	Q9162N106	35	10,506	SH		SOLE		10,506	0	0
TransUnion	Common Stock	89400J107	118	2,082	SH		SOLE		2,082	0	0
Trimble Inc	Common Stock	896239100	5,648	171,609	SH		SOLE		171,609	0	0
Twilio Inc	Common Stock	90138F102	4,040	45,237	SH		SOLE		45,237	0	0
Twitter Inc	Common Stock	90184L102	92,635	3,223,193	SH		SOLE		2,418,241	180,015	624,937
Ultra Clean Holdings Inc	Common Stock	90385V107	334	39,400	SH		SOLE		39,400	0	0
United Parcel Service Inc	Common Stock	911312106	394	4,038	SH		SOLE		4,038	0	0
UroGen Pharma Ltd	Common Stock	M96088105	486	11,298	SH		SOLE		11,298	0	0
Veracyte Inc	Common Stock	92337F107	43,945	3,493,255	SH		SOLE		3,466,370	26,885	0
Verisk Analytics Inc	Common Stock	92345Y106	218	2,003	SH		SOLE		2,003	0	0
Visa Inc	Common Stock	92826C839	29	223	SH		SOLE		223	0	0
Wirecard AG	ADR	97654L108	161	2,090	SH		SOLE		2,090	0	0
Wix.com Ltd	Common Stock	M98068105	440	4,875	SH		SOLE		4,875	0	0
Workday Inc	Common Stock	98138H101	32	198	SH		SOLE		198	0	0
Xero Ltd	Common Stock	Q98665104	104	3,465	SH		SOLE		3,465	0	0
Xerox Corp	Common Stock	984121608	41	2,092	SH		SOLE		2,092	0	0
Xilinx Inc	Common Stock	983919101	8,866	104,098	SH		SOLE		104,098	0	0
Zillow Group Inc	Common Stock	98954M200	57,518	1,821,356	SH		SOLE		1,357,310	97,936	366,110
Zuora Inc	Common Stock	98983V106	5,616	309,589	SH		SOLE		309,589	0	0