ARK Investment Management 13F-HR Quarterly holdings report by institutional manager

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
Expires:	Oct 31, 2018
Estimated average burden
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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	19,848	237,528	SH		OTR		181,389	0	56,139
3D SYSTEMS CORP	Common Stock	88554D205	3,298	238,797	SH		SOLE		238,797	0	0
3M CO	Common Stock	88579Y101	58	294	SH		SOLE		294	0	0
ADOBE SYSTEMS INC	Common Stock	00724F101	10,579	43,392	SH		SOLE		43,392	0	0
AERONAUTICS LTD	Common Stock	M0R84M115	378	186,501	SH		SOLE		186,501	0	0
AEROVIRONMENT INC	Common Stock	008073108	10,972	153,610	SH		OTR		56,258	0	97,352
ALIBABA GROUP HOLDING-SP ADR	ADR	01609W102	32,444	174,874	SH		OTR		134,647	6,477	33,750
ALIGN TECHNOLOGY INC	Common Stock	016255101	4,866	14,221	SH		SOLE		14,221	0	0
ALLEGHENY TECHNOLOGIES INC	Common Stock	01741R102	61	2,440	SH		SOLE		2,440	0	0
ALNYLAM PHARMACEUTICALS INC	Common Stock	02043Q107	1,907	19,362	SH		SOLE		19,362	0	0
ALPHABET INC-CL C	Common Stock	02079K107	16,302	14,612	SH		OTR		10,360	0	4,252
AMAZON.COM INC	Common Stock	023135106	87,349	51,388	SH		OTR		41,701	1,540	8,147
AMETEK INC	Common Stock	031100100	482	6,682	SH		SOLE		6,682	0	0
ANSYS INC	Common Stock	03662Q105	3,625	20,814	SH		SOLE		20,814	0	0
APPLE INC	Common Stock	037833100	78,270	422,828	SH		OTR		324,964	13,503	84,361
APTIV PLC	Common Stock	G6095L109	39,740	433,705	SH		OTR		310,016	19,216	104,473
AQUABOUNTY TECHNOLOGIES	Common Stock	03842K200	568	170,697	SH		SOLE		170,697	0	0
ARCONIC INC	Common Stock	03965L100	431	25,358	SH		SOLE		25,358	0	0
ARCTURUS THERAPEUTICS LTD	Common Stock	M1492T105	4,526	533,773	SH		SOLE		533,773	0	0
ARKEMA SA	Common Stock	F0392W125	56	473	SH		SOLE		473	0	0
ARRK CORP	Common Stock	J0198N101	584	539,201	SH		SOLE		539,201	0	0
ASX Ltd	Common Stock	Q0604U105	191	4,017	SH		SOLE		4,017	0	0
ATHENAHEALTH INC	Common Stock	04685W103	87,373	549,035	SH		OTR		411,329	13,925	123,781
AUDIOCODES LTD	Common Stock	M15342104	599	77,046	SH		SOLE		77,046	0	0
AUTODESK INC	Common Stock	052769106	4,450	33,947	SH		SOLE		33,947	0	0
BAIDU INC - SPON ADR	ADR	056752108	100,940	415,392	SH		OTR		298,636	14,244	102,512
BAYER AG REG	Common Stock	D0712D163	43	390	SH		OTR		0	390	0
BELLICUM PHARMACEUTICALS INC	Common Stock	079481107	2,094	283,772	SH		SOLE		283,772	0	0
BERTRANDT AG	Common Stock	D1014N107	500	5,265	SH		SOLE		5,265	0	0
BEZEQ THE ISRAELI TELECOMMUNICATION CORP LTD	Common Stock	M2012Q100	496	440,715	SH		SOLE		440,715	0	0
BIOGEN INC	Common Stock	09062X103	4,078	14,050	SH		SOLE		14,050	0	0
BITCOIN INVESTMENT TRUST	Open-End Fund	09173T108	14,898	1,746,550	SH		OTR		735,078	451,180	560,292
BLUEBIRD BIO INC	Common Stock	09609G100	41,328	263,321	SH		OTR		179,659	11,118	72,544
BRISTOL-MYERS SQUIBB CO	Common Stock	110122108	2,111	38,147	SH		SOLE		38,147	0	0
CAMTEK LTD	Common Stock	M20791105	555	75,444	SH		SOLE		75,444	0	0
CARPENTER TECHNOLOGY	Common Stock	144285103	66	1,246	SH		SOLE		1,246	0	0
Cboe Global Markets Inc	Common Stock	12503M108	97	932	SH		SOLE		932	0	0
CELGENE CORP	Common Stock	151020104	7,280	91,659	SH		SOLE		91,659	0	0
CELLCOM ISRAEL LTD	Common Stock	M2196U109	405	71,377	SH		SOLE		71,377	0	0
CELLECTIS - ADR	ADR	15117K103	6,910	244,263	SH		SOLE		244,263	0	0
CERAGON NETWORKS LTD	Common Stock	M22013102	732	205,069	SH		SOLE		205,069	0	0
CERUS CORP	Common Stock	157085101	37,988	5,695,371	SH		OTR		3,990,842	63,256	1,641,273
Charles Schwab Corp/The	Common Stock	808513105	169	3,302	SH		SOLE		3,302	0	0
CHECK POINT SOFTWARE TECH	Common Stock	M22465104	515	5,268	SH		SOLE		5,268	0	0
COGNEX CORP	Common Stock	192422103	1,926	43,170	SH		SOLE		43,170	0	0
COMPUGEN LTD	Common Stock	M25722105	17,730	5,372,874	SH		OTR		5,180,161	49,584	143,129
CONFORMIS INC	Common Stock	20717E101	1,448	1,158,321	SH		SOLE		1,158,321	0	0
CORNERSTONE ONDEMAND INC	Common Stock	21925Y103	1,408	29,696	SH		SOLE		29,696	0	0
CRISPR THERAPEUTICS AG	Common Stock	H17182108	27,449	467,140	SH		OTR		355,062	17,789	94,289
CYBERARK SOFTWARE LTD/ISRAEL	Common Stock	M2682V108	651	10,342	SH		SOLE		10,342	0	0
DAIMLER AG-UNSPONSORED ADR	ADR	233825207	1,357	84,552	SH		SOLE		84,552	0	0
DANEL (ADIR YEOSHUA) LTD	Common Stock	M27013107	491	11,099	SH		SOLE		11,099	0	0
DASSAULT SYSTEMES SE	Common Stock	F2457H472	1,987	14,179	SH		SOLE		14,179	0	0
DEERE & CO	Common Stock	244199105	1,987	14,216	SH		SOLE		14,216	0	0
Domino's Pizza Inc	Common Stock	25754A201	97	343	SH		SOLE		343	0	0
DOWDUPONT INC	Common Stock	26078J100	63	962	SH		SOLE		962	0	0
EASTMAN CHEMICAL CO	Common Stock	277432100	60	598	SH		SOLE		598	0	0
EASTMAN KODAK CO	Common Stock	277461406	50	13,077	SH		SOLE		13,077	0	0
EDITAS MEDICINE INC	Common Stock	28106W103	78,166	2,181,572	SH		OTR		1,484,794	86,902	609,876
ELBIT SYSTEMS LTD	Common Stock	M3760D101	1,546	13,023	SH		SOLE		13,023	0	0
ELBIT SYSTEMS LTD	Common Stock	M3760D101	509	4,332	SH		SOLE		4,332	0	0
EVELO BIOSCIENCES INC	Common Stock	299734103	1,497	126,831	SH		SOLE		126,831	0	0
EVOGENE LTD	Common Stock	M4119S104	479	167,347	SH		SOLE		167,347	0	0
EVONIK INDUSTRIES AG	Common Stock	299766204	58	1,731	SH		SOLE		1,731	0	0
EXONE CO/THE	Common Stock	302104104	12,420	1,754,274	SH		OTR		1,373,455	0	380,819
FACEBOOK INC-A	Common Stock	30303M102	12,755	65,637	SH		OTR		64,956	681	0
FANUC CORP	Common Stock	J13440102	44	220	SH		OTR		0	220	0
FANUC CORP-UNSP ADR	ADR	307305102	734	37,019	SH		SOLE		37,019	0	0
FARO TECHNOLOGIES INC	Common Stock	311642102	439	8,083	SH		SOLE		8,083	0	0
FirstRand Ltd	Common Stock	S5202Z131	162	34,982	SH		SOLE		34,982	0	0
Fiserv Inc	Common Stock	337738108	265	3,578	SH		SOLE		3,578	0	0
FIVE PRIME THERAPEUTICS INC	Common Stock	33830X104	2,895	183,094	SH		SOLE		183,094	0	0
FMS ENTERPRISES MIGUN LTD	Common Stock	M42619102	464	17,178	SH		SOLE		17,178	0	0
FOAMIX PHARMACEUTICALS LTD	Common Stock	M46135105	532	106,243	SH		SOLE		106,243	0	0
FOUNDATION MEDICINE INC	Common Stock	350465100	2,698	19,733	SH		OTR		0	0	19,733
GENERAL ELECTRIC CO	Common Stock	369604103	585	43,008	SH		SOLE		43,008	0	0
GENERAL MOTORS CO	Common Stock	37045V100	3,417	86,731	SH		SOLE		86,731	0	0
GILAT SATELLITE NETWORKS LTD	Common Stock	M51474118	599	64,780	SH		SOLE		64,780	0	0
GILEAD SCIENCES INC	Common Stock	375558103	2,051	28,946	SH		SOLE		28,946	0	0
Guidewire Software Inc	Common Stock	40171V100	324	3,649	SH		SOLE		3,649	0	0
HDFC Bank Ltd	ADR	40415F101	136	1,297	SH		SOLE		1,297	0	0
HENKEL AG & CO KGAA	Common Stock	42550U109	55	495	SH		SOLE		495	0	0
HEXAGON AB	Common Stock	W40063104	467	8,363	SH		SOLE		8,363	0	0
HEXCEL CORP	Common Stock	428291108	65	975	SH		SOLE		975	0	0
HILAN LTD	Common Stock	M5299H123	528	24,022	SH		SOLE		24,022	0	0
HORTONWORKS INC	Common Stock	440894103	18,196	998,662	SH		OTR		724,231	0	274,431
HP INC	Common Stock	40434L105	2,969	130,842	SH		SOLE		130,842	0	0
HUBSPOT INC	Common Stock	443573100	11,950	95,299	SH		SOLE		95,299	0	0
ILLUMINA INC	Common Stock	452327109	92,966	332,865	SH		OTR		234,423	16,117	82,325
INCYTE CORP	Common Stock	45337C102	2,943	43,924	SH		SOLE		43,924	0	0
INFINEON TECHNOLOGIES-ADR	ADR	45662N103	1,361	53,209	SH		SOLE		53,209	0	0
INOVIO PHARMACEUTICALS INC	Common Stock	45773H201	4,683	1,194,657	SH		OTR		1,172,261	22,396	0
INTELLIA THERAPEUTICS INC	Common Stock	45826J105	123,492	4,513,584	SH		OTR		3,479,906	208,363	825,315
Interactive Brokers Group Inc	Common Stock	45841N107	316	4,906	SH		SOLE		4,906	0	0
Intercontinental Exchange Inc	Common Stock	45866F104	133	1,812	SH		SOLE		1,812	0	0
Intuit Inc	Common Stock	461202103	267	1,307	SH		SOLE		1,307	0	0
INTUITIVE SURGICAL INC	Common Stock	46120E602	1,545	3,230	SH		SOLE		3,230	0	0
INVITAE CORP	Common Stock	46185L103	64,785	8,814,227	SH		OTR		6,958,975	98,355	1,756,897
IONIS PHARMACEUTICALS INC	Common Stock	462222100	8,881	213,127	SH		OTR		102,356	0	110,771
IOVANCE BIOTHERAPEUTICS INC	Common Stock	462260100	1,570	122,623	SH		SOLE		122,623	0	0
ITURAN LOCATION AND CONTROL	Common Stock	M6158M104	506	16,681	SH		SOLE		16,681	0	0
JD.COM INC-ADR	ADR	47215P106	68,823	1,766,968	SH		OTR		1,373,293	54,138	339,537
K2M GROUP HOLDINGS INC	Common Stock	48273J107	699	31,082	SH		SOLE		31,082	0	0
KAMADA LTD	Common Stock	M6240T109	616	119,537	SH		SOLE		119,537	0	0
KONINKLIJKE DSM NV	Common Stock	N5017D122	60	599	SH		SOLE		599	0	0
LENDINGCLUB CORP	Common Stock	52603A109	58,667	15,479,488	SH		OTR		12,002,131	508,463	2,968,894
LENDINGTREE INC	Common Stock	52603B107	9,377	43,860	SH		SOLE		43,860	0	0
MAGICJACK VOCALTEC LTD	Common Stock	M6787E101	555	65,344	SH		SOLE		65,344	0	0
MATERIALISE NV-ADR	ADR	57667T100	19,394	1,494,142	SH		OTR		1,470,809	10,716	12,617
MATRIX IT LTD	Common Stock	M6859E153	504	47,361	SH		SOLE		47,361	0	0
MAZOR ROBOTICS LTD-SPON ADR	ADR	57886P103	3,569	64,296	SH		SOLE		64,296	0	0
MEDIDATA SOLUTIONS INC	Common Stock	58471A105	50,571	627,743	SH		OTR		480,229	20,575	126,939
MELLANOX TECHNOLOGIES LTD	Common Stock	M51363113	591	7,013	SH		SOLE		7,013	0	0
MERCADOLIBRE INC	Common Stock	58733R102	34,140	114,208	SH		OTR		87,009	2,612	24,587
MGI DIGITAL GRAPHIC TECHNOLO	Common Stock	F4090S113	2,596	37,496	SH		SOLE		37,496	0	0
MGT CAPITAL INVESTMENTS INC	Common Stock	55302P202	2,317	3,091,503	SH		OTR		3,052,859	38,644	0
MICHELIN (CGDE)	Common Stock	591680103	1	11	SH		SOLE		11	0	0
MICROSOFT CORP	Common Stock	594918104	30,718	311,510	SH		OTR		256,402	8,052	47,056
MOOG INC	Common Stock	615394202	540	6,928	SH		SOLE		6,928	0	0
MSCI Inc	Common Stock	55354G100	130	783	SH		SOLE		783	0	0
NANO DIMENSION LTD - ADR	ADR	63008G104	703	334,774	SH		SOLE		334,774	0	0
NANOSTRING TECHNOLOGIES INC	Common Stock	63009R109	35,916	2,625,472	SH		OTR		2,583,321	42,151	0
Nasdaq Inc	Common Stock	631103108	204	2,232	SH		SOLE		2,232	0	0
NETFLIX INC	Common Stock	64110L106	69,758	178,212	SH		OTR		136,309	7,503	34,400
NICE LTD	ADR	653656108	586	5,646	SH		SOLE		5,646	0	0
NINTENDO CO LTD	Common Stock	J51699106	56	171	SH		OTR		0	171	0
NOVA MEASURING INSTRUMENTS	Common Stock	M7516K103	526	19,291	SH		SOLE		19,291	0	0
NVIDIA CORP	Common Stock	67066G104	73,802	311,533	SH		OTR		247,023	8,064	56,446
ORBOTECH LTD	Common Stock	M75253100	563	9,105	SH		SOLE		9,105	0	0
ORGANOVO HOLDINGS INC	Common Stock	68620A104	20,805	14,860,438	SH		OTR		14,728,652	131,786	0
PACIFIC BIOSCIENCES OF CALIF	Common Stock	69404D108	22,441	6,321,293	SH		OTR		6,243,166	78,127	0
PARTNER COMMUNICATIONS CO	Common Stock	M78465107	430	114,641	SH		SOLE		114,641	0	0
PAYPAL HOLDINGS INC	Common Stock	70450Y103	11,733	140,907	SH		SOLE		140,907	0	0
PERCEPTRON INC	Common Stock	71361F100	587	55,612	SH		SOLE		55,612	0	0
PLURISTEM THERAPEUTICS INC	Common Stock	72940R102	1,753	1,436,501	SH		SOLE		1,436,501	0	0
POINTER TELOCATION LTD	Common Stock	M7946T104	430	35,794	SH		SOLE		35,794	0	0
POLYONE CORPORATION	Common Stock	73179P106	62	1,435	SH		SOLE		1,435	0	0
PRAXAIR INC	Common Stock	74005P104	67	424	SH		SOLE		424	0	0
PRODWAYS GROUP SA	Common Stock	F7329W102	2,673	536,161	SH		SOLE		536,161	0	0
PROTO LABS INC	Common Stock	743713109	9,334	78,469	SH		OTR		37,620	0	40,849
PTC INC	Common Stock	69370C100	2,114	22,530	SH		SOLE		22,530	0	0
RADCOM LTD	Common Stock	M81865111	580	29,363	SH		SOLE		29,363	0	0
RADWARE LTD	Common Stock	M81873107	620	24,521	SH		SOLE		24,521	0	0
Rakuten Inc	Common Stock	J64264104	166	24,600	SH		SOLE		24,600	0	0
RAKUTEN INC-ADR	ADR	75102W108	1,501	222,428	SH		SOLE		222,428	0	0
RED HAT INC	Common Stock	756577102	45,964	342,069	SH		OTR		264,498	10,973	66,598
REDFIN CORP	Common Stock	75737F108	30,031	1,300,606	SH		OTR		957,255	47,781	295,570
REDHILL BIOPHARMA LTD-SP ADR	ADR	757468103	961	112,648	SH		SOLE		112,648	0	0
REGENERON PHARMACEUTICALS	Common Stock	75886F107	6,411	18,582	SH		SOLE		18,582	0	0
RENISHAW PLC	Common Stock	G75006117	2,813	40,232	SH		SOLE		40,232	0	0
ROCKWELL AUTOMATION INC	Common Stock	773903109	1,301	7,826	SH		SOLE		7,826	0	0
SALESFORCE.COM INC	Common Stock	79466L302	50,179	367,884	SH		OTR		274,818	10,417	82,649
SANDVIK AB	Common Stock	W74857165	59	3,342	SH		SOLE		3,342	0	0
SAPIENS INTERNATIONAL CORP	Common Stock	N7716A151	604	61,856	SH		SOLE		61,856	0	0
SBI Holdings Inc/Japan	Common Stock	J6991H100	415	16,100	SH		SOLE		16,100	0	0
SERES THERAPEUTICS INC	Common Stock	81750R102	28,091	3,266,428	SH		OTR		2,518,228	137,352	610,848
SERVICENOW INC	Common Stock	81762P102	6,288	36,461	SH		SOLE		36,461	0	0
SHOPIFY INC - CLASS A	Common Stock	82509L107	12,411	85,073	SH		SOLE		85,073	0	0
SIEMENS AG	Common Stock	D69671218	597	4,512	SH		SOLE		4,512	0	0
SILICOM LTD	Common Stock	M84116108	574	14,929	SH		SOLE		14,929	0	0
SLM SOLUTIONS GROUP AG	Common Stock	D6T690109	2,541	66,547	SH		SOLE		66,547	0	0
SNAP INC - A	Common Stock	83304A106	3,331	254,507	SH		SOLE		254,507	0	0
SOFTBANK GROUP CORP	Common Stock	J75963108	40	555	SH		OTR		0	555	0
SOFTBANK GROUP CORP-UNSP ADR	ADR	83404D109	10,646	298,614	SH		SOLE		298,614	0	0
SOLAREDGE TECHNOLOGIES INC	Common Stock	83417M104	467	9,754	SH		SOLE		9,754	0	0
SPLUNK INC	Common Stock	848637104	37,111	374,446	SH		OTR		286,108	14,400	73,938
SPOTIFY TECHNOLOGY SA	Common Stock	L8681T102	34,036	202,304	SH		OTR		157,152	6,849	38,303
SQUARE INC - A	Common Stock	852234103	84,210	1,366,161	SH		OTR		1,021,315	50,160	294,686
Starbucks Corp	Common Stock	855244109	182	3,727	SH		SOLE		3,727	0	0
STRATASYS LTD	Common Stock	M85548101	130,319	6,808,746	SH		OTR		4,904,098	280,173	1,624,475
STRYKER CORP	Common Stock	863667101	619	3,663	SH		SOLE		3,663	0	0
SUNY CELLULAR COMMUNICATION	Common Stock	M8708U107	499	913,944	SH		SOLE		913,944	0	0
SYROS PHARMACEUTICALS INC	Common Stock	87184Q107	18,373	1,799,553	SH		OTR		1,520,862	17,643	261,048
TAIWAN SEMICONDUCTOR-SP ADR	ADR	874039100	33,316	911,273	SH		OTR		777,422	19,694	114,157
TARO PHARMACEUTICAL INDUS	Common Stock	M8737E108	623	5,385	SH		SOLE		5,385	0	0
TELADOC INC	Common Stock	87918A105	7,517	129,484	SH		SOLE		129,484	0	0
TENCENT HOLDINGS LTD-UNS ADR	ADR	88032Q109	56,289	1,120,180	SH		OTR		880,710	31,864	207,606
TERADYNE INC	Common Stock	880770102	55,771	1,464,955	SH		OTR		1,016,908	65,357	382,690
TESLA INC	Common Stock	88160R101	152,227	443,874	SH		OTR		424,147	19,727	0
TEVA PHARMACEUTICAL-SP ADR	ADR	881624209	741	30,487	SH		SOLE		30,487	0	0
TORAY INDUSTRIES INC	Common Stock	J89494116	53	6,736	SH		SOLE		6,736	0	0
TOWER SEMICONDUCTOR LTD	Common Stock	M87915274	407	18,492	SH		SOLE		18,492	0	0
TOYOTA MOTOR CORP -SPON ADR	ADR	892331307	1,683	13,066	SH		SOLE		13,066	0	0
Trade Me Group Ltd	Common Stock	Q9162N106	33	10,506	SH		SOLE		10,506	0	0
TransUnion	Common Stock	89400J107	246	3,437	SH		SOLE		3,437	0	0
TRIMBLE INC	Common Stock	896239100	5,233	159,356	SH		SOLE		159,356	0	0
TWITTER INC	Common Stock	90184L102	120,435	2,757,845	SH		OTR		2,085,106	101,838	570,901
ULTRA CLEAN HOLDINGS INC	Common Stock	90385V107	596	35,874	SH		SOLE		35,874	0	0
UNITED PARCEL SERVICE-CL B	Common Stock	911312106	577	5,435	SH		SOLE		5,435	0	0
UROGEN PHARMA LTD	Common Stock	M96088105	470	9,438	SH		SOLE		9,438	0	0
VERACYTE INC	Common Stock	92337F107	35,125	3,760,659	SH		OTR		3,729,271	31,388	0
Verisk Analytics Inc	Common Stock	92345Y106	76	702	SH		SOLE		702	0	0
Visa Inc	Common Stock	92826C839	159	1,198	SH		SOLE		1,198	0	0
VOLKSWAGEN AG-SPONS ADR	ADR	928662303	7	215	SH		SOLE		215	0	0
Wirecard AG	ADR	97654L108	96	1,183	SH		SOLE		1,183	0	0
WIX.COM LTD	Common Stock	M98068105	609	6,073	SH		SOLE		6,073	0	0
Workday Inc	Common Stock	98138H101	162	1,334	SH		SOLE		1,334	0	0
Xero Ltd	Common Stock	Q98665104	115	3,465	SH		SOLE		3,465	0	0
XILINX INC	Common Stock	983919101	46,770	716,666	SH		OTR		531,112	22,225	163,329
ZILLOW GROUP INC - C	Common Stock	98954M200	7,941	134,461	SH		SOLE		134,461	0	0
ZUORA INC - CLASS A	Common Stock	98983V106	4,059	149,221	SH		SOLE		149,221	0	0