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Institutional Investment Manager
CASTLEARK MANAGEMENT LLC
CASTLEARK MANAGEMENT LLC (CIK: 0001106832), located at 1 N Wacker Dr, Chicago, IL. Institutional holdings reported to the SEC.

Institutional Holdings (2017Q1)
Original 13F HR (0001106832-17-000003) filed in 2017.05.15
#
Name
Shares
Value ($)
%
Options
Notes
301 CINEMARK HOLDINGS INC 306,440 13,588 0.43%
302 OLD DOMINION FREIGHT LINE IN 159,385 13,639 0.43%
303 ZEBRA TECHNOLOGIES CORPORATION CL A 152,720 13,936 0.44%
304 NUVASIVE INC 188,035 14,042 0.44%
305 UNIVAR INC 468,430 14,362 0.45%
306 TAKE-TWO INTERACTIVE SOFTWAR 244,870 14,513 0.45%
307 VISTEON CORP COM NEW 148,695 14,565 0.46%
308 MARVELL TECHNOLOGY GROUP LTD 954,990 14,573 0.46%
309 NEXSTAR MEDIA GROUP INC 207,750 14,574 0.46%
310 PRIMERICA INC 178,355 14,661 0.46%
311 DEERE & CO 135,671 14,769 0.46%
312 MICROSEMI CORP 289,930 14,940 0.47%
313 DIEBOLD NXDF INC 489,750 15,035 0.47%
314 NEVRO CORP COM 160,655 15,053 0.47%
315 Wright Medical Group NV 487,090 15,158 0.47%
316 SPLUNK INC 243,693 15,180 0.48%
317 BWX TECHNOLOGIES INC COM 320,940 15,277 0.48%
318 SYNOVUS FINL CORP 385,759 15,824 0.50%
319 CHEMOURS CO 415,155 15,983 0.50%
320 PRA HEALTH SCIENCES INC 249,995 16,307 0.51%
321 DEVON ENERGY CORP NEW 391,287 16,324 0.51%
322 MEDTRONIC PLC 204,124 16,444 0.52%
323 EDWARDS LIFESCIENCES CORP 175,704 16,528 0.52%
324 MONSTER BEVERAGE CORP NEW 367,106 16,949 0.53%
325 QUANTA SVCS INC 460,580 17,092 0.54%
326 DAVE & BUSTERS ENTMT INC 282,205 17,240 0.54%
327 GRAND CANYON ED INC 243,915 17,467 0.55%
328 ENTERPRISE PRODS PARTNERS L 690,120 19,054 0.60%
329 HUNT J B TRANS SVCS INC 228,633 20,975 0.66%
330 U S SILICA HLDGS INC 437,637 21,002 0.66%
331 NETFLIX INC 147,035 21,733 0.68%
332 CBRE GROUP INC 668,784 23,267 0.73%
333 PALO ALTO NETWORKS INC 212,235 23,915 0.75%
334 DICKS SPORTING GOODS INC 515,116 25,066 0.79%
335 APPLE INC 177,947 25,564 0.80%
336 UNITED RENTALS INC 208,060 26,018 0.82%
337 EOG RES INC 269,046 26,245 0.82%
338 PARKER HANNIFIN CORP 171,311 27,465 0.86%
339 CONTINENTAL RESOURE 614,724 27,921 0.87%
340 ABIOMED INC 223,697 28,007 0.88%
341 FACEBOOK INC 201,102 28,567 0.90%
342 VISA INC 322,357 28,648 0.90%
343 AMAZON COM INC 34,520 30,603 0.96%
344 VEEVA SYS INC 601,720 30,856 0.97%
345 MIDDLEBY CORP 226,890 30,959 0.97%
346 RED HAT INC 359,008 31,054 0.97%
347 ELECTRONIC ARTS INC 353,968 31,687 0.99%
348 ULTA BEAUTY INC 111,403 31,775 1.00%
349 BIOGEN INC 120,846 33,042 1.04%
350 FEDEX CORP 174,342 34,023 1.07%
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