CASTLEARK MANAGEMENT LLC Q1 2021 Filing

Filed May 14, 2021

Portfolio Value

$2.8T

Holdings

330

Report Date

Q1 2021

Filing Type

13F-HR

All Holdings (330 positions)

#StockSharesValue% PortfolioType
1
MSFTMICROSOFT CORP
486,415$114.7B4.13%
2
AAPLAPPLE INC
799,690$97.7B3.52%
3
AMZNAMAZON COM INC
29,210$90.4B3.25%
4
LRCXEURLAM RESEARCH CORP
118,865$70.8B2.55%
5
METAFACEBOOK INC
224,550$66.1B2.38%
6
MAMASTERCARD INCORPORATED
162,472$57.8B2.08%
7
HCAHCA HEALTHCARE INC
306,455$57.7B2.08%
8
MCHPMICROCHIP TECHNOLOGY INC.
359,750$55.8B2.01%
9
NKENIKE INC
400,975$53.3B1.92%
10
NVDANVIDIA CORPORATION
98,022$52.3B1.88%
11
LVSLAS VEGAS SANDS CORP
789,824$48.0B1.73%
12
EEMISHARES TR
868,500$46.3B1.67%
13
PYPLPAYPAL HLDGS INC
189,735$46.1B1.66%
14
ASMLASML HOLDING N V
74,585$46.0B1.66%
15
XLFSELECT SECTOR SPDR TR
1,234,280$42.0B1.51%
16
EFAISHARES TR
530,500$40.2B1.45%
17
IWDISHARES TR
265,000$40.2B1.45%
18
ADBEADOBE SYSTEMS INCORPORATED
81,245$38.6B1.39%
19
HDHOME DEPOT INC
123,274$37.6B1.35%
20
TSLATESLA INC
54,028$36.1B1.30%
21
VVISA INC
165,270$35.0B1.26%
22
CP.TOCANADIAN PAC RY LTD
88,613$33.6B1.21%
23
SCHWSCHWAB CHARLES CORP
508,560$33.1B1.19%
24
XLBSELECT SECTOR SPDR TR
408,000$32.1B1.16%
25
OLEDUNIVERSAL DISPLAY CORP
121,950$28.9B1.04%
26
ZTSZOETIS INC
169,635$26.7B0.96%
27
IWNISHARES TR
166,560$26.6B0.96%
28
KSUEURKANSAS CITY SOUTHERN
98,350$26.0B0.93%
29
NOWSERVICENOW INC
49,202$24.6B0.89%
30
LLYLILLY ELI & CO
127,170$23.8B0.86%
31
LVLNSPDR SER TR
333,895$22.2B0.80%
32
DC4DEXCOM INC
58,600$21.1B0.76%
33
DHRDANAHER CORPORATION
89,825$20.2B0.73%
34
LUVSOUTHWEST AIRLS CO
323,590$19.8B0.71%
35
PNCPNC FINL SVCS GROUP INC
111,630$19.6B0.71%
36
EWEDWARDS LIFESCIENCES CORP
234,045$19.6B0.70%
37
MSCIMSCI INC
45,060$18.9B0.68%
38
LULULULULEMON ATHLETICA INC
60,663$18.6B0.67%
39
HALOHALOZYME THERAPEUTICS INC
430,602$18.0B0.65%
40
MTSIMACOM TECH SOLUTIONS HLDGS I
263,021$15.3B0.55%
41
SGRYSURGERY PARTNERS INC
332,059$14.7B0.53%
42
DARDARLING INGREDIENTS INC
195,710$14.4B0.52%
43
EEFTEURONET WORLDWIDE INC
102,055$14.1B0.51%
44
WSCWILLSCOT MOBIL MINI HLDNG CO
505,454$14.0B0.51%
45
LPLALPL FINL HLDGS INC
97,800$13.9B0.50%
46
TRVCCITIGROUP INC
188,810$13.7B0.49%
47
APPSDIGITAL TURBINE INC
169,887$13.7B0.49%
48
FFORD MTR CO DEL
1,097,180$13.4B0.48%
49
XHBSPDR SER TR
189,100$13.3B0.48%
50
BLDRBUILDERS FIRSTSOURCE INC
280,081$13.0B0.47%
51
WCCWESCO INTL INC
149,979$13.0B0.47%
52
ITRIITRON INC
145,885$12.9B0.47%
53
CPRICAPRI HOLDINGS LIMITED
253,165$12.9B0.46%
54
S9QSPIRIT AEROSYSTEMS HLDGS INC
263,485$12.8B0.46%
55
SPTSPROUT SOCIAL INC
220,989$12.8B0.46%
56
EATBRINKER INTL INC
179,073$12.7B0.46%
57
JXC1J2 GLOBAL INC
104,250$12.5B0.45%
58
AVYAUSDAVAYA HLDGS CORP
438,424$12.3B0.44%
59
GTLSCHART INDS INC
86,060$12.3B0.44%
60
TPRTAPESTRY INC
293,335$12.1B0.44%
61
NTRANATERA INC
117,589$11.9B0.43%
62
LFUSLITTELFUSE INC
44,907$11.9B0.43%
63
BCOBRINKS CO
149,615$11.9B0.43%
64
ENOVCOLFAX CORP
270,254$11.8B0.43%
65
VRNSVARONIS SYS INC
226,259$11.6B0.42%
66
SWAVUSDSHOCKWAVE MED INC
89,109$11.6B0.42%
67
TKRTIMKEN CO
140,046$11.4B0.41%
68
NUANEURNUANCE COMMUNICATIONS INC
257,648$11.2B0.40%
69
CSTLCASTLE BIOSCIENCES INC
163,607$11.2B0.40%
70
VCYTVERACYTE INC
208,257$11.2B0.40%
71
RVLVREVOLVE GROUP INC
247,330$11.1B0.40%
72
PAHUSDELEMENT SOLUTIONS INC
605,624$11.1B0.40%
73
GMGENERAL MTRS CO
191,885$11.0B0.40%
74
SYU1SYNOVUS FINL CORP
240,740$11.0B0.40%
75
7SUSUMMIT MATLS INC
391,060$11.0B0.39%
76
GQ9SPDR GOLD TR
68,475$11.0B0.39%
77
CNMDCONMED CORP
83,402$10.9B0.39%
78
UAAUNDER ARMOUR INC
489,595$10.8B0.39%
79
PARPAR TECHNOLOGY CORP
165,054$10.8B0.39%
80
THCTENET HEALTHCARE CORP
202,590$10.5B0.38%
81
TGTXTG THERAPEUTICS INC
217,631$10.5B0.38%
82
AMBAAMBARELLA INC
103,030$10.3B0.37%
83
MGNIMAGNITE INC
245,191$10.2B0.37%
84
BLMNBLOOMIN BRANDS INC
373,915$10.1B0.36%
85
CLHCLEAN HARBORS INC
119,480$10.0B0.36%
86
ROCKGIBRALTAR INDS INC
107,484$9.8B0.35%
87
DYDYCOM INDS INC
105,313$9.8B0.35%
88
R1 RCM INC
385,980$9.5B0.34%
89
SHYFSHYFT GROUP INC
253,201$9.4B0.34%
90
WWEUSDWORLD WRESTLING ENTMT INC
172,553$9.4B0.34%
91
CRNCCERENCE INC
104,471$9.4B0.34%
92
SONOSONOS INC
248,310$9.3B0.34%
93
AVNTAVIENT CORPORATION
187,796$8.9B0.32%
94
VSATVIASAT INC
179,740$8.6B0.31%
95
EGHT8X8 INC NEW
264,105$8.6B0.31%
96
MYGNMYRIAD GENETICS INC
279,035$8.5B0.31%
97
KRNTKORNIT DIGITAL LTD
85,495$8.5B0.31%
98
NVEEUSDNV5 GLOBAL INC
86,407$8.3B0.30%
99
STRLSTERLING CONSTR INC
352,745$8.2B0.29%
100
SAVESPIRIT AIRLS INC
221,015$8.2B0.29%
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