13F-HR 1 file13f-q12013.txt 13F UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 13-F FORM 13-F COVER PAGE Report for the Calendar Year or Quarter Ended: March 31, 2013 Check here if Amendment [ ]; Amendment Number: This Amendment {Check only one} [] is a restatement [] adds new holding entries Institutional Manager Filing this Report: Name: J. M. Hartwell LP Address: 515 Madison Avenue New York, NY 10022 13-F Filing Number: 28-4534 The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing this report is authorized to submit it, that all information contained herein is true, correct, and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form. . Person Signing this Report on Behalf of Reporting Manager Name: Barbara Romeo Title: Controller Phone: 212-308-3355 Signature, Place and Date of Signing:2 Barbara N. Romeo New York, NY May 1, 2013 Report Type{Check only one} [X] 13F HOLDINGS REPORT [ ] 13F NOTICE [ ] 13F COMBINATION REPORT List of other managersReporting for this manager: Affiliated Managers Group Form 13-F Summary Page: Number of other included managers: 1 Form 13-F Information Table Entry Total: 97 Form 13-F Information Table Value Toatl: $408,109 (x$1000) List of Other Included Managers: No. 13F File Number Name 01- 28-04975 FORM 13F INFORMATION TABLE FORM 13F INFORMATION TABLE NAME of TITLE VALUE SHARES/ SH/ PUT/INVSTMTOTHER VOTING AUTHORITY ISSUEROFCLASSCUSIP(x$1000)PRNAMTPRN CALDSCRETN MANAGERSSOLESHAREDNONE ------------------ ----- ---- ---- ----- ------------ --------------- AbbVie Inc COM 00287y109 820 20100 SH SOLE 18600 1500 Abbott Lab COM 002824100 710 20100 SH SOLE 18600 1500 Accenture Ltd COM G1150G111 541 7120 SH SOLE 7120 Affiliated Managers GroCOM 008252108 14057 91532 SH SOLE 91532 Air Liquide ADR COM 009126202 318 13052 SH SOLE 13052 Alliance Data Systems COM 018581108 6185 38205 SH SOLE 34655 3550 America Movil SA COM 02364W105 319 15200 SH SOLE 15200 Anadarko Petroleum CorpCOM 032511107 3693 42225 SH SOLE 40225 2000 Anheuser-Busch Inbex SACOM 03524a108 398 3997 SH SOLE 3997 Apple Inc. COM 037833100 6233 14080 SH SOLE 13405 675 Atlas Copco Ab ADR COM 049255706 256 9000 SH SOLE 9000 BASF SE ADR COM 055262505 307 3500 SH SOLE 3500 BHP Billiton Limited COM 088606108 376 5500 SH SOLE 5500 Bio-Reference Labs COM 09057g602 370 14225 SH SOLE 14225 Blackrock Inc COM 09247x101 257 1000 SH SOLE 1000 CNOOC Ltd ADR COM 126132109 364 1900 SH SOLE 1900 Carrizo Oil & Gas COM 144577103 6422 249215 SH SOLE 231615 17600 Catamaran Corporation COM 148887102 2533 47771 SH SOLE 46055 1716 ChevronTexaco Corp COM 166764100 217 1825 SH SOLE 1325 500 Cisco Systems. Inc. COM 17275R102 316 15100 SH SOLE 14700 400 Citrix Systems Inc COM 177376100 498 6900 SH SOLE 6200 700 Clean Harbors, Inc. COM 184496107 8852 152380 SH SOLE 144030 8350 Cognizant Tech SolutionCOM 192446102 20567 268420 SH SOLE 257120 11300 Compania de Bebidas COM 20441w203 952 22500 SH SOLE 22500 Compass Group Plc ADS COM 20449x203 255 20000 SH SOLE 20000 Concho Resources Inc COM 20605p101 3549 36430 SH SOLE 34730 1700 Continental Resources COM 212015101 16680 191875 SH SOLE 175275 16600 Dassault Systems SA COM 237545108 347 3000 SH SOLE 3000 Diageo PLC ADS COM 25243q205 692 5500 SH SOLE 5500 Ebay COM 278642103 17627 325100 SH SOLE 312300 12800 Essilor Intl SA ADR COM 297284200 467 8384 SH SOLE 8384 Everest Re Group Inc COM G3223R108 286 2200 SH SOLE 2200 Express Scripts Inc COM 30219g108 5226 90690 SH SOLE 87790 2900 Exxon Mobil CorporationCOM 30231G102 10138 112507 SH SOLE 109379 3128 Facebook, Inc COM 30303m102 877 34300 SH SOLE 32700 1600 Fresenius Medical Care COM 358029106 834 24640 SH SOLE 24640 Google Inc COM 38259P508 21435 26990 SH SOLE 24760 2230 Grupo Televisa SA COM 40049j206 300 11290 SH SOLE 11290 HDFC Bank Ltd COM 40415f101 412 11000 SH SOLE 11000 Halcon Resources Corp COM 40537q209 456 58583 SH SOLE 58583 Heineken N.V. COM 423012301 725 19274 SH SOLE 19274 Home Depot Inc. COM 437076102 393 5633 SH SOLE 5633 Intervest Bancshares COM 460927106 294 50000 SH SOLE 50000 Intl. Business Mach. COM 459200101 22111 103660 SH SOLE 92960 10700 Johnson & Johnson COM 478160104 2507 30747 SH SOLE 29647 1100 Kimberly Clark Corp COM 494368103 3392 34616 SH SOLE 29296 5320 Komatsu Ltd COM 500458401 439 18468 SH SOLE 18468 LVMH Moet Hennessy ADR COM 502441030 382 11100 SH SOLE 11100 Luxottica Group ADS COM 55068r202 493 9800 SH SOLE 9800 Mastercard Inc. COM 57636q104 12419 22950 SH SOLE 21600 1350 Medidata Solutions COM 58471a105 325 5600 SH SOLE 4300 1300 Microsoft Corp COM 594918104 13205 461622 SH SOLE 432122 29500 Millicom Intl Cellular COM SE0001174 101086 1271717 SH SOLE 1259885 11832 Millicom Intl Cellular COM l6388f110 1683 21286 SH SOLE 19386 1900 National Oilwell Varco COM 637071101 1254 17720 SH SOLE 15420 2300 Nestle S.A. ADR COM 641069406 604 8335 SH SOLE 8335 NetEase.com, Inc. COM 64110w102 232 4230 SH SOLE 4230 Nidec Corp COM 654090109 462 30800 SH SOLE 30800 Noble Energy Inc COM 655044105 11758 101661 SH SOLE 94495 7166 Novartis AG COM 66987v109 909 12753 SH SOLE 12753 Novo-Nordisk A/S COM 670100205 291 1800 SH SOLE 1800 Oracle Corporation COM 68389X105 4374 135305 SH SOLE 125505 9800 Philip Morris Intl COM 718172109 223 2400 SH SOLE 2400 Priceline.com Inc COM 741503403 19200 27900 SH SOLE 26680 1220 Proctor & Gamble Co. COM 742718109 682 8844 SH SOLE 8844 Prudential PLC COM 74435k204 453 14000 SH SOLE 14000 Purecycle COM 746228303 651 124073 SH SOLE 124073 Qualcomm Inc. COM 747525103 8829 131890 SH SOLE 122690 9200 Rio Tinto PLC COM 767204100 344 7300 SH SOLE 7300 Roche Holdings Ltd COM 771195104 385 6600 SH SOLE 6600 Rolls Royce Hldg Plc COM 775781206 858 10000 SH SOLE 10000 Royal Caribbean CruisesCOM V7780T103 252 7600 SH SOLE 7600 Ruckus Wireless Inc COM 781220108 548 26100 SH SOLE 24700 1400 SAP AG COM 803054204 1302 16160 SH SOLE 16160 Safestitch Medical Inc.COM 78645y102 39 83280 SH SOLE 83280 Salesforce.com COM 79466l302 1288 7200 SH SOLE 7200 Seadrill Limited COM g7945e105 17432 468480 SH SOLE 451380 17100 Shire plc ADS COM 82481r106 292 3200 SH SOLE 3200 Silicon Motion COM 82706C108 182 15500 SH SOLE 15500 Smith and Nephew plc COM 83175m205 625 10820 SH SOLE 10820 Sourcefire, Inc. COM 83616t108 417 7045 SH SOLE 7045 Splunk Inc COM 848637104 799 19960 SH SOLE 18660 1300 Syngenta AG COM 87160a100 729 8700 SH SOLE 8700 Targa Resources COM 87612g101 1159 17050 SH SOLE 15750 1300 Technip ADS COM 878546209 223 8684 SH SOLE 8684 Teva Pharmaceutical COM 881624209 361 9090 SH SOLE 9090 TigerLogic Inc COM 8867eq101 21 11132 SH SOLE 11132 TripAdvisor, Inc. COM 896945201 693 13200 SH SOLE 13200 U.S. Silica Holdings COM 90346e103 1179 50000 SH SOLE 50000 Unilever N.V. COM 904784709 533 13000 SH SOLE 13000 VISA Inc. COM 92826c839 11178 65815 SH SOLE 62415 3400 Vodafone Group plc ADS COM 92857W100 640 22531 SH SOLE 22531 Volkswagen AG COM 928662303 377 10000 SH SOLE 10000 Wal-mart De Mexico SAB COM 93114w107 550 16800 SH SOLE 16800 Warner Chilcott plc COM g94368100 233 17200 SH SOLE 17200 Whiting Petroleum Corp COM 966387102 437 8605 SH SOLE 8605 adidas AG COM 00687A107 521 10000 SH SOLE 10000