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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 (2014Q4)
Portfolio Summary: 341 holdings with a total value of $3,881,115,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 NXP Semiconductor NV 1,357,720 103,730,000 2.67%
2 FACEBOOK INC CL A 1,117,160 87,161,000 2.25%
3 APPLE INC 726,850 80,230,000 2.07%
4 MACYS INC 1,180,780 77,636,000 2.00%
5 RED HAT INC 1,113,020 76,954,000 1.98%
6 FedEx Corp. 422,910 73,443,000 1.89%
7 SCHWAB CHARLES CORP 2,413,940 72,877,000 1.88%
8 GILEAD SCIENCES INC 756,720 71,328,000 1.84%
9 NIKE INC 705,920 67,874,000 1.75%
10 STARBUCKS CORP 780,470 64,038,000 1.65%
11 BlackRock Inc 177,030 63,299,000 1.63%
12 UNION PAC CORP 524,460 62,479,000 1.61%
13 SELECT SECTOR SPDR TR 2,460,000 60,836,000 1.57%
14 CVS HEALTH CORP 623,900 60,088,000 1.55%
15 UNITEDHEALTH GROUP INC 575,740 58,202,000 1.50%
16 HOME DEPOT INC 545,500 57,261,000 1.48%
17 COCA COLA CO 1,321,010 55,773,000 1.44%
18 PACCAR INC 816,296 55,516,000 1.43%
19 ST JUDE 821,310 53,410,000 1.38%
20 VISA INC 190,430 49,931,000 1.29%
21 BORGWARNER INC 871,900 47,911,000 1.23%
22 PALO ALTO NETWORKS 388,200 47,582,000 1.23%
23 HANESBRANDS INC 422,570 47,167,000 1.22%
24 WABTEC 528,370 45,910,000 1.18%
25 CME GROUP INC 494,330 43,822,000 1.13%
26 MONSANTO CO 364,400 43,535,000 1.12%
27 MIDDLEBY CORP 437,026 43,309,000 1.12%
28 SOUTHWESTERN ENERGY CO 1,480,857 40,413,000 1.04%
29 CBRE GROUP INC 1,134,242 38,848,000 1.00%
30 STRATASYS LTD 458,115 38,074,000 0.98%
31 EOG RES INC 412,520 37,981,000 0.98%
32 ALPHABET INC C NON VOTING SHAR 71,690 37,738,000 0.97%
33 C.H. ROBINSON WORLDW 503,750 37,726,000 0.97%
34 DISNEY WALT CO 379,760 35,770,000 0.92%
35 MEDTRONIC PLC 490,240 35,395,000 0.91%
36 ILLUMINA INC 187,130 34,540,000 0.89%
37 CONOCOPHILLIPS 473,140 32,675,000 0.84%
38 YAHOO INC 620,100 31,321,000 0.81%
39 INTEL CORP 862,690 31,307,000 0.81%
40 HAIN CELESTIAL GROUP INC COM 535,184 31,196,000 0.80%
41 VMWARE A 367,860 30,356,000 0.78%
42 DELTA AIRLINES INC DEL 596,600 29,347,000 0.76%
43 MEDIVATION INC 280,875 27,978,000 0.72%
44 SPLUNK 410,090 24,175,000 0.62%
45 ISHARES TR 577,900 22,706,000 0.59%
46 HAWAIIAN HOLDINGS INC COM 764,872 19,925,000 0.51%
47 VERINT SYS INC COM 337,994 19,698,000 0.51%
48 CHEVRON CORP NEW 175,370 19,673,000 0.51%
49 COMSCORE INC 384,486 17,852,000 0.46%
50 JACK IN THE BOX INC 221,893 17,743,000 0.46%
Page 1 of 7

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001106832-15-000001, filed 2015.02.10).

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.