MARSHALL WACE, LLP Q1 2021 Filing

Filed May 17, 2021

Portfolio Value

$21.8M

Holdings

2,265

Report Date

Q1 2021

Filing Type

13F-HR

All Holdings (2,265 positions)

#	Stock	Shares	Value	% Portfolio	Type
2501	SPLPSTEEL PARTNERS H	11,417	$157K	0.72%
2502	CVA1EURCOVANTA HOLDING	11,252	$156K	0.72%
2503	—PZENA INVES-CL A	14,848	$156K	0.72%
2504	—HEMISPHERE MEDIA	13,319	$155K	0.71%
2505	—ZYNERBA PHARMACE	33,364	$155K	0.71%
2506	VYGRVOYAGER THERAPEU	32,695	$154K	0.71%
2507	HDApril 21 Calls on HD US at 290, American	500	$153K	0.70%	Call
2508	—STAR PEAK CORP-A	14,994	$152K	0.70%	Call
2509	JDOctober 21 Calls on JD US at 110, American	1,800	$152K	0.70%	Call
2510	IWOAugust 21 Puts on IWO US at 295, American	500	$150K	0.69%	Put
2511	IRWDIRONWOOD PHARMAC	13,350	$149K	0.68%
2512	RBBNRIBBON COMMUNICA	18,082	$148K	0.68%
2513	IVACINTEVAC INC	20,665	$148K	0.68%
2514	MOApril 21 Puts on MO US at 52, American	2,900	$148K	0.68%	Put
2515	IYRApril 21 Calls on IYR US at 92.5, American	1,600	$147K	0.67%	Call
2516	—PUXIN LTD-ADR	36,559	$146K	0.67%
2517	NKEApril 21 Calls on NKE US at 131, American	1,100	$146K	0.67%	Call
2518	HBIOHARVARD BIOSCIEN	26,604	$145K	0.66%
2519	XLESPDR-ENERGY SEL	2,944	$144K	0.66%
2520	TRVCCITIGROUP INC	1,985	$144K	0.66%
2521	NEMApril 21 Puts on NEM US at 57, American	2,300	$139K	0.64%	Put
2522	—DEERFIELD HEAL-A	11,363	$138K	0.63%
2523	UONEURBAN ONE INC	77,589	$136K	0.62%
2524	PXLWEURPIXELWORKS INC	40,930	$135K	0.62%
2525	AAPLJuly 21 Calls on AAPL US at 130, American	1,100	$134K	0.61%	Call
2526	7S3US XPRESS ENTE-A	11,393	$134K	0.61%
2527	IWMSeptember 21 Calls on IWM US at 227, American	600	$133K	0.61%	Call
2528	IWMAugust 21 Calls on IWM US at 246, American	600	$133K	0.61%	Call
2529	—BURGUNDY TECH-A	13,199	$131K	0.60%
2530	JNJApril 21 Calls on JNJ US at 167.5, American	800	$131K	0.60%	Call
2531	—VACCINEX INC	43,215	$129K	0.59%
2532	NGSNATURAL GAS SERV	13,576	$128K	0.59%
2533	LXULSB INDUS INC	24,997	$128K	0.59%
2534	—COMMUNITY BANKER	14,396	$127K	0.58%
2535	—NAVIOS MARITIME	13,721	$127K	0.58%
2536	—MOGU INC-ADR	65,439	$127K	0.58%
2537	LPZBLIGHTPATH TECH-A	40,723	$126K	0.58%
2538	—NEW FRONTIER HEA	11,162	$126K	0.58%
2539	MPCApril 21 Puts on MPC US at 52.5, American	2,300	$123K	0.56%	Put
2540	CTXRCITIUS PHARMACEU	68,873	$123K	0.56%
2541	PGJuly 21 Calls on PG US at 150, American	900	$122K	0.56%	Call
2542	—GRAYBUG VISION I	21,883	$121K	0.55%
2543	TWITITAN INTL INC	12,916	$120K	0.55%
2544	INTTINTEST CORP	10,069	$119K	0.55%
2545	MPCJanuary 22 Calls on MPC US at 60, American	2,200	$118K	0.54%	Call
2546	BMTXBM TECHNOLOGIES	10,117	$118K	0.54%
2547	—CHARAH SOLUTIONS	24,258	$118K	0.54%
2548	ORMPORAMED PHARMACEU	11,563	$117K	0.54%
2549	SIGASIGA TECH INC	17,987	$117K	0.54%
2550	—CHINA NATURAL RE	62,426	$114K	0.52%
2551	PLYAPLAYA HOTELS & R	15,587	$114K	0.52%
2552	XOMApril 21 Puts on XOM US at 56, American	2,000	$112K	0.51%	Put
2553	XTNTXTANT MEDICAL HO	47,559	$112K	0.51%
2554	OXQ1ADVANCED EMISSIO	20,452	$112K	0.51%
2555	CXCEMEX SAB-SP ADR	15,817	$110K	0.50%
2556	TIOGMICT INC	52,828	$109K	0.50%
2557	IBMApril 21 Puts on IBM US at 135, American	800	$107K	0.49%	Put
2558	MAApril 21 Puts on MA US at 357.5, American	300	$107K	0.49%	Put
2559	EXPEApril 21 Puts on EXPE US at 145, American	600	$103K	0.47%	Put
2560	—NAVIOS MARITIME	25,138	$102K	0.47%
2561	KLDOKALEIDO BIOSCIEN	12,356	$100K	0.46%
2562	ATNMACTINIUM PHARMAC	13,019	$99K	0.45%
2563	JNJApril 21 Calls on JNJ US at 165, American	600	$99K	0.45%	Call
2564	CMRXEURCHIMERIX INC	10,170	$98K	0.45%
2565	LUVApril 21 Puts on LUV US at 52.5, American	1,600	$98K	0.45%	Put
2566	ZMX1WIDEPOINT CORP	10,484	$96K	0.44%
2567	CATApril 21 Calls on CAT US at 225, American	400	$93K	0.43%	Call
2568	—REWALK ROBOTICS	37,669	$91K	0.42%
2569	TMOApril 21 Puts on TMO US at 460, American	200	$91K	0.42%	Put
2570	IWOAugust 21 Calls on IWO US at 335, American	300	$90K	0.41%	Call
2571	SAMBOSTON BEER-A	73,144	$88K	0.40%
2572	IWMJune 21 Puts on IWM US at 223, American	400	$88K	0.40%	Put
2573	IVCUSDINVACARE CORP	10,935	$88K	0.40%
2574	USDPUSD PARTNERS LP	14,929	$87K	0.40%
2575	JNKJanuary 22 Calls on JNK US at 111, American	800	$87K	0.40%	Call
2576	—FLOTEK INDS	50,949	$86K	0.39%
2577	—REGULUS THERAPEU	51,692	$81K	0.37%
2578	GDXJApril 21 Puts on GDXJ US at 44.5, American	1,800	$81K	0.37%	Put
2579	WTIW&T OFFSHORE INC	22,301	$80K	0.37%
2580	—OBLONG INC	15,878	$79K	0.36%
2581	METJune 21 Puts on MET US at 60, American	1,300	$79K	0.36%	Put
2582	—WASHINGTON PRIME	35,640	$79K	0.36%
2583	SVMSILVERCORP METAL	15,844	$78K	0.36%
2584	RCLApril 21 Calls on RCL US at 89, American	900	$77K	0.35%	Call
2585	GSITGSI TECHNOLOGY	11,493	$77K	0.35%
2586	FApril 21 Calls on F US at 12.5, American	6,000	$74K	0.34%	Call
2587	DISJanuary 22 Puts on DIS US at 160, American	400	$74K	0.34%	Put
2588	TTITETRA TECHNOLOGI	30,048	$72K	0.33%
2589	GDXJApril 21 Calls on GDXJ US at 45, American	1,600	$72K	0.33%	Call
2590	MUSeptember 21 Puts on MU US at 85, American	800	$71K	0.33%	Put
2591	KMDAKAMADA LTD	11,594	$71K	0.33%
2592	LEVBUSDCBDMD INC	16,479	$68K	0.31%
2593	METApril 21 Puts on MET US at 61, American	1,100	$67K	0.31%	Put
2594	EGYVAALCO ENERGY	29,266	$66K	0.30%
2595	IWMSeptember 21 Calls on IWM US at 231, American	300	$66K	0.30%	Call
2596	IWMAugust 21 Calls on IWM US at 250, American	300	$66K	0.30%	Call
2597	IWMAugust 21 Calls on IWM US at 243, American	300	$66K	0.30%	Call
2598	ABBVApril 21 Puts on ABBV US at 105, American	600	$65K	0.30%	Put
2599	LQDSeptember 21 Calls on LQD US at 137, American	500	$65K	0.30%	Call
2600	EVGNEVOGENE LTD	12,872	$65K	0.30%

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