CASTLEARK MANAGEMENT LLC Q4 2020 Filing

Filed February 17, 2021

Portfolio Value

$2.7T

Holdings

328

Report Date

Q4 2020

Filing Type

13F-HR

All Holdings (328 positions)

#StockSharesValue% PortfolioType
101
ROCKGIBRALTAR INDS INC
102,409$7.4B0.28%
102
SRCLSTERICYCLE INC
105,616$7.3B0.27%
103
KWRQUAKER CHEM CORP
28,445$7.2B0.27%
104
BCOBRINKS CO
98,710$7.1B0.27%
105
MEDPMEDPACE HLDGS INC
50,276$7.0B0.26%
106
SPLKCHFSPLUNK INC
41,090$7.0B0.26%
107
HCQAMN HEALTHCARE SVCS INC
101,360$6.9B0.26%
108
SHYFSHYFT GROUP INC
241,231$6.8B0.26%
109
IM8NINSMED INC
204,268$6.8B0.25%
110
NEONEOGENOMICS INC
126,241$6.8B0.25%
111
OCULOCULAR THERAPEUTIX INC
326,642$6.8B0.25%
112
KMTKENNAMETAL INC
186,330$6.8B0.25%
113
BWINBRP GROUP INC
224,374$6.7B0.25%
114
FNDFLOOR & DECOR HLDGS INC
71,154$6.6B0.25%
115
WWEUSDWORLD WRESTLING ENTMT INC
131,203$6.3B0.24%
116
ABXBARRICK GOLD CORP
276,340$6.3B0.24%
117
TUPTUPPERWARE BRANDS CORP
193,900$6.3B0.24%
118
TTECTTEC HLDGS INC
85,243$6.2B0.23%
119
XLESELECT SECTOR SPDR TR
163,600$6.2B0.23%
120
CNMDCONMED CORP
55,052$6.2B0.23%
121
ATECALPHATEC HLDGS INC
423,230$6.1B0.23%
122
SYU1SYNOVUS FINL CORP
187,340$6.1B0.23%
123
R1 RCM INC
251,315$6.0B0.23%
124
AM6AMICUS THERAPEUTICS INC
260,700$6.0B0.23%
125
CZRCAESARS ENTERTAINMENT INC NE
80,990$6.0B0.23%
126
BIOHAVEN PHARMACTL HLDG CO L
67,716$5.8B0.22%
127
MDBMONGODB INC
15,914$5.7B0.21%
128
CVXCHEVRON CORP NEW
67,485$5.7B0.21%
129
MRTXEURMIRATI THERAPEUTICS INC
25,918$5.7B0.21%
130
MPLXMPLX LP
258,944$5.6B0.21%
131
MXLMAXLINEAR INC
145,092$5.5B0.21%
132
LSCCLATTICE SEMICONDUCTOR CORP
120,305$5.5B0.21%
133
SWTXSPRINGWORKS THERAPEUTICS INC
75,656$5.5B0.21%
134
CROXCROCS INC
84,627$5.3B0.20%
135
EPDENTERPRISE PRODS PARTNERS L
265,756$5.2B0.19%
136
IOVAIOVANCE BIOTHERAPEUTICS INC
109,000$5.1B0.19%
137
TPICQTPI COMPOSITES INC
95,604$5.0B0.19%
138
ARWRARROWHEAD PHARMACEUTICALS IN
65,490$5.0B0.19%
139
AMRCAMERESCO INC
94,762$5.0B0.19%
140
ONTRAK INC
76,762$4.7B0.18%
141
TXNTEXAS INSTRS INC
27,150$4.5B0.17%
142
UPLDUPLAND SOFTWARE INC
96,705$4.4B0.17%
143
PAAPLAINS ALL AMERN PIPELINE L
510,814$4.2B0.16%
144
EOGEOG RES INC
82,980$4.1B0.15%
145
CXOEURCONCHO RES INC
70,110$4.1B0.15%
146
FANGDIAMONDBACK ENERGY INC
83,963$4.1B0.15%
147
FATEFATE THERAPEUTICS INC
44,350$4.0B0.15%
148
PXDEURPIONEER NAT RES CO
33,794$3.8B0.14%
149
PARSLEY ENERGY INC
266,895$3.8B0.14%
150
COPCONOCOPHILLIPS
90,895$3.6B0.14%
151
PLNTPLANET FITNESS INC
46,535$3.6B0.14%
152
ETENERGY TRANSFER LP
577,633$3.6B0.13%
153
QRVOQORVO INC
20,245$3.4B0.13%
154
ONON SEMICONDUCTOR CORP
100,920$3.3B0.12%
155
PTCPTC INC
27,240$3.3B0.12%
156
ENQENTEGRIS INC
33,380$3.2B0.12%
157
WEPMAGELLAN MIDSTREAM PRTNRS LP
74,769$3.2B0.12%
158
CGNXCOGNEX CORP
39,440$3.2B0.12%
159
OXYOCCIDENTAL PETE CORP
178,730$3.1B0.12%
160
HZNPHORIZON THERAPEUTICS PUB L
42,145$3.1B0.12%
161
AMBAAMBARELLA INC
33,520$3.1B0.12%
162
WKCWORLD FUEL SVCS CORP
97,445$3.0B0.11%
163
GHGUARDANT HEALTH INC
23,368$3.0B0.11%
164
HALHALLIBURTON CO
158,985$3.0B0.11%
165
AXONAXON ENTERPRISE INC
23,835$2.9B0.11%
166
SUSUNCOR ENERGY INC NEW
173,140$2.9B0.11%
167
FERRO CORP
198,013$2.9B0.11%
168
BLDPBALLARD PWR SYS INC NEW
123,090$2.9B0.11%
169
MPCMARATHON PETE CORP
68,541$2.8B0.11%
170
AVTRAVANTOR INC
100,310$2.8B0.11%
171
CLVTCLARIVATE PLC
94,290$2.8B0.10%
172
KOPKOPPERS HOLDINGS INC
89,159$2.8B0.10%
173
ASTEASTEC INDS INC
47,075$2.7B0.10%
174
FANFIRST TR EXCHANGE-TRADED FD
114,780$2.7B0.10%
175
XOMEXXON MOBIL CORP
64,420$2.7B0.10%
176
HESHESS CORP
50,180$2.6B0.10%
177
AEMAGNICO EAGLE MINES LTD
37,500$2.6B0.10%
178
PEGAPEGASYSTEMS INC
19,735$2.6B0.10%
179
RAREULTRAGENYX PHARMACEUTICAL IN
18,945$2.6B0.10%
180
AKXANSYS INC
6,970$2.5B0.09%
181
TSMTAIWAN SEMICONDUCTOR MFG LTD
22,510$2.5B0.09%
182
SFSTIFEL FINL CORP
47,784$2.4B0.09%
183
PSXPHILLIPS 66
33,700$2.4B0.09%
184
LNGCHENIERE ENERGY INC
38,766$2.3B0.09%
185
VLOVALERO ENERGY CORP
41,015$2.3B0.09%
186
LKQ1LKQ CORP
65,775$2.3B0.09%
187
WIXWIX COM LTD
9,250$2.3B0.09%
188
AVGOBROADCOM INC
5,260$2.3B0.09%
189
NVCRNOVOCURE LTD
13,245$2.3B0.09%
190
ESTCELASTIC N V
15,245$2.2B0.08%
191
NEENEXTERA ENERGY INC
28,280$2.2B0.08%
192
SEDGSOLAREDGE TECHNOLOGIES INC
6,790$2.2B0.08%
193
PBRPETROLEO BRASILEIRO SA PETRO
187,007$2.1B0.08%
194
CMICUMMINS INC
9,030$2.1B0.08%
195
DKNG1USDDRAFTKINGS INC
43,660$2.0B0.08%
196
AWMSKYWORKS SOLUTIONS INC
13,290$2.0B0.08%
197
TENBTENABLE HLDGS INC
38,220$2.0B0.07%
198
FCXFREEPORT-MCMORAN INC
76,170$2.0B0.07%
199
WESWESTERN MIDSTREAM PARTNERS L
139,697$1.9B0.07%
200
DVNDEVON ENERGY CORP NEW
119,250$1.9B0.07%
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