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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 (2014Q2)
Original 13F HR (0001106832-14-000004) filed in 2014.08.15
#
Name
Shares
Value ($)
%
Options
Notes
251 PHYSICIANS RLTY TR 298,350 4,293 0.12%
252 RPC INC 299,125 7,026 0.19%
253 FLEETCOR TECHNOLOGIES INC 303,820 40,043 1.10%
254 SHERWIN WILLIAMS CO 316,530 65,493 1.80%
255 NXSTAGE MED INC COM 325,950 4,684 0.13%
256 KAR AUCTION SVCS INC 328,350 10,465 0.29%
257 STRATASYS LTD 332,290 37,758 1.04%
258 MASTEC INC 334,440 10,307 0.28%
259 DEPOMED INC 336,054 4,671 0.13%
260 PALO ALTO NETWORKS INC 337,580 28,306 0.78%
261 BP PLC 339,200 17,893 0.49%
262 GLOBUS MED INC 349,574 8,362 0.23%
263 RANGE RES CORP 358,630 31,183 0.86%
264 PITNEY BOWES INC 361,775 9,992 0.28%
265 MICHAEL KORS HLDGS LTD 369,260 32,735 0.90%
266 GILEAD SCIENCES INC 425,560 35,283 0.97%
267 HEARTLAND EXPRESS INC COM 432,275 9,225 0.25%
268 SILICON MOTION TECHN 451,136 9,217 0.25%
269 MONSANTO CO NEW 456,710 56,970 1.57%
270 CHICAGO BRIDGE & IRON CO N V 465,920 31,776 0.88%
271 VMWARE INC 467,960 45,303 1.25%
272 STARBUCKS CORP 474,650 36,728 1.01%
273 SUMITOMO MITSUI FINL GROUP I 505,000 4,277 0.12%
274 XCERRA CORP 517,606 4,710 0.13%
275 GRAPHIC PACKAGING HLDG CO 521,800 6,105 0.17%
276 RAMBUS INC DEL 534,302 7,641 0.21%
277 SPLUNK INC 537,620 29,747 0.82%
278 HAIN CELESTIAL GROUP INC 540,440 47,959 1.32%
279 HAWAIIAN HOLDINGS INC COM 554,525 7,603 0.21%
280 U S SILICA HLDGS INC 572,790 31,755 0.88%
281 MERITOR INC 581,340 7,581 0.21%
282 WABTEC CORP 583,320 48,176 1.33%
283 Actua Corp (ACTA) 594,550 12,414 0.34%
284 Penn Virginia Corp 599,782 10,166 0.28%
285 ATRICURE INC 608,154 11,178 0.31%
286 HUNT J B TRANS SVCS INC 608,470 44,893 1.24%
287 PARKER HANNIFIN CORP 618,130 77,717 2.14%
288 PACCAR INC 624,740 39,252 1.08%
289 INTEGRATED DEVICE TECHNOLOGY 637,862 9,861 0.27%
290 MIDDLEBY CORP 644,163 53,285 1.47%
291 INTERSIL CORP 650,316 9,722 0.27%
292 CALLON PETE CO DEL 653,688 7,615 0.21%
293 SCHLUMBERGER LTD 662,600 78,154 2.15%
294 HORIZON PHARMA PLC 667,503 10,560 0.29%
295 QUALCOMM INC 670,690 53,119 1.46%
296 EOG RES INC 731,240 85,453 2.36%
297 CELGENE CORP 761,000 65,355 1.80%
298 Gastar Exploration, Ltd. 772,697 6,730 0.19%
299 BORGWARNER INC 787,160 51,315 1.41%
300 JETBLUE AIRWAYS CORP 790,020 8,572 0.24%
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