The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number: 3235-0006
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COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
Exelixis Inc., 4.25%, due 08/15/19 CONVERTIBLE 30161QAC8 307 550,000 PRN   SOLE   550,000 0 0
Accenture PLC COMMON STOCK G1151C101 193,627 2,168,030 SH   SOLE   2,168,030 0 0
Actavis PLC COMMON STOCK G0083B108 218,026 847,000 SH   SOLE   847,000 0 0
AGL Resources Inc. COMMON STOCK 001204106 130,374 2,391,752 SH   SOLE   2,391,752 0 0
Air Lease Corp. COMMON STOCK 00912X302 48,772 1,421,500 SH   SOLE   1,421,500 0 0
Alibaba Group Holding Ltd. (ADR) COMMON STOCK 01609W102 114 1,100 SH   SOLE   1,100 0 0
Allergan Inc. COMMON STOCK 018490102 451,690 2,124,700 SH   SOLE   2,124,700 0 0
Altera Corp. COMMON STOCK 021441100 48,022 1,300,000 SH   SOLE   1,300,000 0 0
Apple Inc. COMMON STOCK 037833100 277,849 2,517,208 SH   SOLE   2,517,208 0 0
Applied Materials Inc. COMMON STOCK 038222105 519,208 20,835,005 SH   SOLE   20,835,005 0 0
Autodesk Inc. COMMON STOCK 052769106 5,766 96,000 SH   SOLE   96,000 0 0
Belmond Ltd. COMMON STOCK G1154H107 25,668 2,075,000 SH   SOLE   2,075,000 0 0
Blount International Inc. COMMON STOCK 095180105 22,841 1,300,000 SH   SOLE   1,300,000 0 0
C.H. Robinson Worldwide Inc. COMMON STOCK 12541W209 51,300 685,000 SH   SOLE   685,000 0 0
Cameron International Corp. COMMON STOCK 13342B105 6,269 125,500 SH   SOLE   125,500 0 0
Capital One Financial Corp. COMMON STOCK 14040H105 33,020 400,000 SH   SOLE   400,000 0 0
Cardinal Health Inc. COMMON STOCK 14149Y108 7,669 95,000 SH   SOLE   95,000 0 0
Charles Schwab Corp. COMMON STOCK 808513105 272,205 9,016,400 SH   SOLE   9,016,400 0 0
Checkpoint Systems Inc. COMMON STOCK 162825103 29,900 2,177,709 SH   SOLE   2,177,709 0 0
Ciena Corp. COMMON STOCK 171779309 72,302 3,725,000 SH   SOLE   3,725,000 0 0
Citrix Systems Inc. COMMON STOCK 177376100 9,570 150,000 SH   SOLE   150,000 0 0
Compass Minerals International Inc. COMMON STOCK 20451N101 200,225 2,305,946 SH   SOLE   2,305,946 0 0
Corning Inc. COMMON STOCK 219350105 15,478 675,000 SH   SOLE   675,000 0 0
Covisint Corp. COMMON STOCK 22357R103 5,870 2,215,000 SH   SOLE   2,215,000 0 0
CVS Health Corp. COMMON STOCK 126650100 340,772 3,538,280 SH   SOLE   3,538,280 0 0
D.R. Horton Inc. COMMON STOCK 23331A109 20,232 800,000 SH   SOLE   800,000 0 0
Deere & Co. COMMON STOCK 244199105 885 10,000 SH   SOLE   10,000 0 0
Denbury Resources Inc. COMMON STOCK 247916208 10,976 1,350,000 SH   SOLE   1,350,000 0 0
DENTSPLY International Inc. COMMON STOCK 249030107 7,419 139,270 SH   SOLE   139,270 0 0
Dominion Diamond Corp. COMMON STOCK 257287102 37,069 2,063,968 SH   SOLE   2,063,968 0 0
eBay Inc. COMMON STOCK 278642103 353,562 6,300,100 SH   SOLE   6,300,100 0 0
Ecolab Inc. COMMON STOCK 278865100 2,195 21,000 SH   SOLE   21,000 0 0
Energen Corp. COMMON STOCK 29265N108 198,606 3,114,900 SH   SOLE   3,114,900 0 0
Equifax Inc. COMMON STOCK 294429105 5,661 70,000 SH   SOLE   70,000 0 0
Equinix Inc. COMMON STOCK 29444U502 13,604 60,000 SH   SOLE   60,000 0 0
Essent Group Ltd. COMMON STOCK G3198U102 38,565 1,500,000 SH   SOLE   1,500,000 0 0
Expeditors International of Washington Inc. COMMON STOCK 302130109 284,204 6,370,867 SH   SOLE   6,370,867 0 0
EZchip Semiconductor Ltd. COMMON STOCK M4146Y108 14,355 750,000 SH   SOLE   750,000 0 0
Finisar Corp. COMMON STOCK 31787A507 21,351 1,100,000 SH   SOLE   1,100,000 0 0
First American Financial Corp. COMMON STOCK 31847R102 15,764 465,000 SH   SOLE   465,000 0 0
First Horizon National Corp. COMMON STOCK 320517105 40,892 3,011,200 SH   SOLE   3,011,200 0 0
Fiserv Inc. COMMON STOCK 337738108 7,629 107,500 SH   SOLE   107,500 0 0
Genesee & Wyoming Inc., Class A COMMON STOCK 371559105 9,217 102,500 SH   SOLE   102,500 0 0
GenMark Diagnostics Inc. COMMON STOCK 372309104 19,054 1,400,000 SH   SOLE   1,400,000 0 0
Gentex Corp. COMMON STOCK 371901109 12,646 350,000 SH   SOLE   350,000 0 0
Gilead Sciences Inc. COMMON STOCK 375558103 363,638 3,857,820 SH   SOLE   3,857,820 0 0
Google Inc., Class A COMMON STOCK 38259P508 189,233 356,600 SH   SOLE   356,600 0 0
Google Inc., Class C COMMON STOCK 38259P706 352,264 669,195 SH   SOLE   669,195 0 0
Graco Inc. COMMON STOCK 384109104 10,824 135,000 SH   SOLE   135,000 0 0
Group 1 Automotive Inc. COMMON STOCK 398905109 24,646 275,000 SH   SOLE   275,000 0 0
Harman International Industries Inc. COMMON STOCK 413086109 10,671 100,000 SH   SOLE   100,000 0 0
Insperity Inc. COMMON STOCK 45778Q107 26,020 767,773 SH   SOLE   767,773 0 0
Intel Corp. COMMON STOCK 458140100 14,516 400,000 SH   SOLE   400,000 0 0
International Business Machine COMMON STOCK 459200101 58,561 365,000 SH   SOLE   365,000 0 0
Intuit Inc. COMMON STOCK 461202103 18,567 201,400 SH   SOLE   201,400 0 0
Iron Mountain Inc. COMMON STOCK 46284V101 408,125 10,556,778 SH   SOLE   10,556,778 0 0
Lam Research Corp. COMMON STOCK 512807108 35,703 450,000 SH   SOLE   450,000 0 0
Linear Technology Corp. COMMON STOCK 535678106 228 5,000 SH   SOLE   5,000 0 0
LinkedIn Corp. COMMON STOCK 53578A108 11,486 50,000 SH   SOLE   50,000 0 0
MasterCard Inc., Class A COMMON STOCK 57636Q104 238,613 2,769,413 SH   SOLE   2,769,413 0 0
McCormick & Co. COMMON STOCK 579780206 196,249 2,641,301 SH   SOLE   2,641,301 0 0
MDU Resources Group Inc. COMMON STOCK 552690109 237,311 10,098,329 SH   SOLE   10,098,329 0 0
Mindray Medical International Ltd. (ADR) COMMON STOCK 602675100 140 5,300 SH   SOLE   5,300 0 0
Mondelez International Inc. COMMON STOCK 609207105 334,091 9,197,270 SH   SOLE   9,197,270 0 0
Motorola Solutions Inc. COMMON STOCK 620076307 457,912 6,826,360 SH   SOLE   6,826,360 0 0
MRC Global Inc. COMMON STOCK 55345K103 23,807 1,571,400 SH   SOLE   1,571,400 0 0
National Oilwell Varco Inc. COMMON STOCK 637071101 356,278 5,436,870 SH   SOLE   5,436,870 0 0
Nordstrom Inc. COMMON STOCK 655664100 6,177 77,800 SH   SOLE   77,800 0 0
Northwest Natural Gas Co. COMMON STOCK 667655104 126,790 2,540,885 SH   SOLE   2,540,885 0 0
Novartis AG (ADR) COMMON STOCK 66987V109 253,576 2,736,630 SH   SOLE   2,736,630 0 0
Patterson Companies Inc. COMMON STOCK 703395103 247,716 5,150,014 SH   SOLE   5,150,014 0 0
Pentair PLC COMMON STOCK G7S00T104 457,433 6,886,977 SH   SOLE   6,886,977 0 0
PepsiCo Inc. COMMON STOCK 713448108 280,772 2,969,250 SH   SOLE   2,969,250 0 0
Perrigo Co. PLC COMMON STOCK G97822103 335,875 2,009,300 SH   SOLE   2,009,300 0 0
Plantronics Inc. COMMON STOCK 727493108 12,725 240,000 SH   SOLE   240,000 0 0
PMC-Sierra Inc. COMMON STOCK 69344F106 11,450 1,250,000 SH   SOLE   1,250,000 0 0
Potash Corporation of Saskatchewan Inc. COMMON STOCK 73755L107 15,894 450,000 SH   SOLE   450,000 0 0
Praxair Inc. COMMON STOCK 74005P104 273,960 2,114,540 SH   SOLE   2,114,540 0 0
Procter & Gamble Co. COMMON STOCK 742718109 397,949 4,368,745 SH   SOLE   4,368,745 0 0
PulteGroup Inc. COMMON STOCK 745867101 21,460 1,000,000 SH   SOLE   1,000,000 0 0
QUALCOMM Inc. COMMON STOCK 747525103 440,584 5,927,400 SH   SOLE   5,927,400 0 0
Questar Corp. COMMON STOCK 748356102 243,025 9,613,341 SH   SOLE   9,613,341 0 0
Redwood Trust Inc. COMMON STOCK 758075402 22,024 1,117,972 SH   SOLE   1,117,972 0 0
Regal-Beloit Corp. COMMON STOCK 758750103 15,792 210,000 SH   SOLE   210,000 0 0
Riverbed Technology Inc. COMMON STOCK 768573107 39,800 1,950,000 SH   SOLE   1,950,000 0 0
Roche Holdings Ltd. (ADR) COMMON STOCK 771195104 7,478 220,000 SH   SOLE   220,000 0 0
SEI Investments Co. COMMON STOCK 784117103 21,421 535,000 SH   SOLE   535,000 0 0
Shaw Communications Inc. COMMON STOCK 82028K200 267,563 9,913,404 SH   SOLE   9,913,404 0 0
Sirona Dental Systems Inc. COMMON STOCK 82966C103 10,921 125,000 SH   SOLE   125,000 0 0
Sotheby's COMMON STOCK 835898107 23,749 550,000 SH   SOLE   550,000 0 0
Spectra Energy Corp. COMMON STOCK 847560109 171,024 4,711,400 SH   SOLE   4,711,400 0 0
Synopsys Inc. COMMON STOCK 871607107 7,951 182,900 SH   SOLE   182,900 0 0
Sysco Corp. COMMON STOCK 871829107 276,991 6,978,850 SH   SOLE   6,978,850 0 0
Taiwan Semiconductor Manufacturing Co., LTD. (ADR) COMMON STOCK 874039100 295 13,200 SH   SOLE   13,200 0 0
Target Corp. COMMON STOCK 87612E106 43,648 575,000 SH   SOLE   575,000 0 0
Teleflex Inc. COMMON STOCK 879369106 104,328 908,620 SH   SOLE   908,620 0 0
Thomson Reuters Corp. COMMON STOCK 884903105 286,607 7,104,790 SH   SOLE   7,104,790 0 0
Toll Brothers Inc. COMMON STOCK 889478103 8,396 245,000 SH   SOLE   245,000 0 0
United Parcel Service Inc. COMMON STOCK 911312106 266,740 2,399,390 SH   SOLE   2,399,390 0 0
UTi Worldwide Inc. COMMON STOCK G87210103 28,968 2,400,000 SH   SOLE   2,400,000 0 0
VCA Inc. COMMON STOCK 918194101 4,877 100,000 SH   SOLE   100,000 0 0
VeriSign Inc. COMMON STOCK 92343E102 8,550 150,000 SH   SOLE   150,000 0 0
Verisk Analytics Inc., Class A COMMON STOCK 92345Y106 231,690 3,617,330 SH   SOLE   3,617,330 0 0
W&T Offshore Inc. COMMON STOCK 92922P106 25,140 3,425,000 SH   SOLE   3,425,000 0 0
W.W. Grainger Inc. COMMON STOCK 384802104 14,019 55,000 SH   SOLE   55,000 0 0
Waste Management Inc. COMMON STOCK 94106L109 235,365 4,586,218 SH   SOLE   4,586,218 0 0
WD-40 Co. COMMON STOCK 929236107 104,545 1,228,789 SH   SOLE   1,228,789 0 0
Wells Fargo & Co. COMMON STOCK 949746101 49,886 910,000 SH   SOLE   910,000 0 0
Whole Foods Market Inc. COMMON STOCK 966837106 69,832 1,385,000 SH   SOLE   1,385,000 0 0
Xylem Inc. COMMON STOCK 98419M100 298,597 7,843,373 SH   SOLE   7,843,373 0 0