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

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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
Intel Corp., 2.95% , 12/15/2035 CONVERTIBLE 458140AD2 1,035 750,000 PRN   SOLE   750,000 0 0
Micron Technology Inc., 3.00%, 11/15/2043 CONVERTIBLE 595112AY9 667 750,000 PRN   SOLE   750,000 0 0
Air Lease Corp. COMMON STOCK 00912X302 13,375 468,000 SH   SOLE   468,000 0 0
Alibaba Group Holding Ltd. (ADR) COMMON STOCK 01609W102 635 6,000 SH   SOLE   6,000 0 0
Allergan plc COMMON STOCK G0177J108 485,968 2,110,060 SH   SOLE   2,039,560 0 70,500
Alliance Data Systems Corp. COMMON STOCK 018581108 30,034 140,000 SH   SOLE   140,000 0 0
Alphabet Inc., Class A COMMON STOCK 02079K305 314,104 390,648 SH   SOLE   379,002 0 11,646
Alphabet Inc., Class C COMMON STOCK 02079K107 431,223 554,778 SH   SOLE   534,375 0 20,403
American Express Co. COMMON STOCK 025816109 76,848 1,200,000 SH   SOLE   1,200,000 0 0
Anthem Inc. COMMON STOCK 036752103 18,797 150,000 SH   SOLE   150,000 0 0
Apple Inc. COMMON STOCK 037833100 653,874 5,783,936 SH   SOLE   5,597,153 0 186,783
Applied Materials Inc. COMMON STOCK 038222105 448,740 14,883,583 SH   SOLE   14,499,717 0 383,866
Autodesk Inc. COMMON STOCK 052769106 106,687 1,475,000 SH   SOLE   1,475,000 0 0
Axalta Coating Systems Ltd. COMMON STOCK G0750C108 43,394 1,535,000 SH   SOLE   1,535,000 0 0
Belmond Ltd. COMMON STOCK G1154H107 6,355 500,000 SH   SOLE   500,000 0 0
Calgon Carbon Corp. COMMON STOCK 129603106 18,337 1,208,760 SH   SOLE   1,208,760 0 0
Capital One Financial Corp. COMMON STOCK 14040H105 61,056 850,000 SH   SOLE   850,000 0 0
Cardinal Health Inc. COMMON STOCK 14149Y108 28,788 370,500 SH   SOLE   370,500 0 0
Charles Schwab Corp. COMMON STOCK 808513105 696,398 22,058,864 SH   SOLE   21,442,286 0 616,578
Ciena Corp. COMMON STOCK 171779309 124,260 5,700,000 SH   SOLE   5,700,000 0 0
Citrix Systems Inc. COMMON STOCK 177376100 4,261 50,000 SH   SOLE   50,000 0 0
Compass Minerals International Inc. COMMON STOCK 20451N101 204,641 2,776,676 SH   SOLE   2,691,304 0 85,372
Cummins Inc. COMMON STOCK 231021106 51,260 400,000 SH   SOLE   400,000 0 0
CVS Health Corp. COMMON STOCK 126650100 516,634 5,805,530 SH   SOLE   5,612,427 0 193,103
Danaher Corp. COMMON STOCK 235851102 582,979 7,436,909 SH   SOLE   7,173,430 0 263,479
Deere & Co. COMMON STOCK 244199105 103,274 1,210,000 SH   SOLE   1,210,000 0 0
Dentsply Sirona Inc. COMMON STOCK 24906P109 36,252 610,000 SH   SOLE   610,000 0 0
eBay Inc. COMMON STOCK 278642103 42,030 1,277,500 SH   SOLE   1,277,500 0 0
Ecolab Inc. COMMON STOCK 278865100 14,302 117,500 SH   SOLE   117,500 0 0
Equifax Inc. COMMON STOCK 294429105 22,879 170,000 SH   SOLE   170,000 0 0
Essent Group Ltd. COMMON STOCK G3198U102 14,636 550,000 SH   SOLE   550,000 0 0
Expeditors International of Washington Inc. COMMON STOCK 302130109 86,708 1,683,000 SH   SOLE   1,683,000 0 0
FedEx Corp. COMMON STOCK 31428X106 17,468 100,000 SH   SOLE   100,000 0 0
First American Financial Corp. COMMON STOCK 31847R102 12,570 320,000 SH   SOLE   320,000 0 0
First Horizon National Corp. COMMON STOCK 320517105 48,736 3,200,000 SH   SOLE   3,200,000 0 0
Fiserv Inc. COMMON STOCK 337738108 39,042 392,500 SH   SOLE   392,500 0 0
Fortive Corp. COMMON STOCK 34959J108 273,506 5,373,405 SH   SOLE   5,195,365 0 178,040
Gilead Sciences Inc. COMMON STOCK 375558103 853,733 10,790,358 SH   SOLE   10,454,025 0 336,333
Hanesbrands Inc. COMMON STOCK 410345102 34,088 1,350,000 SH   SOLE   1,350,000 0 0
Insperity Inc. COMMON STOCK 45778Q107 22,337 307,500 SH   SOLE   307,500 0 0
Intel Corp. COMMON STOCK 458140100 676,873 17,930,408 SH   SOLE   17,368,380 0 562,028
International Business Machines Corp. COMMON STOCK 459200101 112,784 710,000 SH   SOLE   710,000 0 0
Iron Mountain Inc. COMMON STOCK 46284V101 398,943 10,629,968 SH   SOLE   10,289,441 0 340,527
Keysight Technologies Inc. COMMON STOCK 49338L103 127 4,000 SH   SOLE   4,000 0 0
KLA-Tencor Corporation COMMON STOCK 482480100 117,072 1,679,415 SH   SOLE   1,634,863 0 44,552
Lam Research Corp. COMMON STOCK 512807108 71,033 750,000 SH   SOLE   750,000 0 0
Linear Technology Corp. COMMON STOCK 535678106 356 6,000 SH   SOLE   6,000 0 0
Mastercard Incorporated COMMON STOCK 57636Q104 324,448 3,188,051 SH   SOLE   3,065,164 0 122,887
McCormick & Co. COMMON STOCK 579780206 212,553 2,127,234 SH   SOLE   2,058,621 0 68,613
McKesson Corp. COMMON STOCK 58155Q103 6,670 40,000 SH   SOLE   40,000 0 0
MDU Resources Group Inc. COMMON STOCK 552690109 348,564 13,701,416 SH   SOLE   13,214,146 0 487,270
Micron Technology Inc. COMMON STOCK 595112103 498,874 28,058,156 SH   SOLE   27,399,569 0 658,587
Mondelez International Inc., Class A COMMON STOCK 609207105 457,263 10,416,007 SH   SOLE   10,049,747 0 366,260
Motorola Solutions Inc. COMMON STOCK 620076307 513,329 6,729,538 SH   SOLE   6,512,597 0 216,941
National Oilwell Varco Inc. COMMON STOCK 637071101 516,645 14,062,198 SH   SOLE   13,617,758 0 444,440
Northwest Natural Gas Co. COMMON STOCK 667655104 23,894 397,500 SH   SOLE   397,500 0 0
Novartis AG (ADR) COMMON STOCK 66987V109 337,791 4,278,005 SH   SOLE   4,134,450 0 143,555
Patterson Companies Inc. COMMON STOCK 703395103 325,143 7,077,566 SH   SOLE   6,841,233 0 236,333
PayPal Holdings Inc. COMMON STOCK 70450Y103 378,358 9,234,995 SH   SOLE   8,892,272 0 342,723
Pentair plc COMMON STOCK G7S00T104 542,616 8,446,695 SH   SOLE   8,175,000 0 271,695
Perrigo Co. plc COMMON STOCK G97822103 90,026 975,049 SH   SOLE   975,049 0 0
Potash Corporation of Saskatchewan Inc. COMMON STOCK 73755L107 22,848 1,400,000 SH   SOLE   1,400,000 0 0
Praxair Inc. COMMON STOCK 74005P104 519,642 4,300,607 SH   SOLE   4,152,218 0 148,389
Procter & Gamble Co. COMMON STOCK 742718109 329,052 3,666,319 SH   SOLE   3,532,292 0 134,027
Progressive Corp. COMMON STOCK 743315103 15,750 500,000 SH   SOLE   500,000 0 0
QUALCOMM Inc. COMMON STOCK 747525103 115,217 1,682,000 SH   SOLE   1,682,000 0 0
Redwood Trust Inc. COMMON STOCK 758075402 15,576 1,100,000 SH   SOLE   1,100,000 0 0
SEI Investments Co. COMMON STOCK 784117103 28,566 626,300 SH   SOLE   626,300 0 0
Shaw Communications Inc., Class B COMMON STOCK 82028K200 36,828 1,800,000 SH   SOLE   1,800,000 0 0
Sysco Corp. COMMON STOCK 871829107 464,979 9,487,424 SH   SOLE   9,140,025 0 347,399
Taiwan Semiconductor Manufacturing Co., Ltd. (ADR) COMMON STOCK 874039100 306 10,000 SH   SOLE   10,000 0 0
Teleflex Inc. COMMON STOCK 879369106 25,208 150,000 SH   SOLE   150,000 0 0
The Walt Disney Co. COMMON STOCK 254687106 537,184 5,784,877 SH   SOLE   5,580,842 0 204,035
Thomson Reuters Corp. COMMON STOCK 884903105 425,347 10,279,057 SH   SOLE   9,957,169 0 321,888
Trimble Inc. COMMON STOCK 896239100 21,420 750,000 SH   SOLE   750,000 0 0
United Parcel Service Inc., Class B COMMON STOCK 911312106 495,828 4,533,905 SH   SOLE   4,366,930 0 166,975
Verisk Analytics Inc. COMMON STOCK 92345Y106 392,365 4,827,325 SH   SOLE   4,654,984 0 172,341
VF Corp. COMMON STOCK 918204108 453,573 8,092,289 SH   SOLE   7,821,905 0 270,384
W.W. Grainger Inc. COMMON STOCK 384802104 31,478 140,000 SH   SOLE   140,000 0 0
Waste Management Inc. COMMON STOCK 94106L109 345,012 5,411,100 SH   SOLE   5,217,213 0 193,887
WD-40 Co. COMMON STOCK 929236107 148,385 1,319,796 SH   SOLE   1,262,254 0 57,542
Wells Fargo & Co. COMMON STOCK 949746101 793,686 17,924,254 SH   SOLE   17,358,774 0 565,480
WhiteWave Foods Co. COMMON STOCK 966244105 27,487 505,000 SH   SOLE   505,000 0 0
Whole Foods Market Inc. COMMON STOCK 966837106 117,227 4,135,000 SH   SOLE   4,135,000 0 0
Xylem Inc. COMMON STOCK 98419M100 455,984 8,693,681 SH   SOLE   8,386,710 0 306,971