UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 13F FORM 13F COVER PAGE Report for the Calendar Year or Quarter Ended: March 31, 2013 Check here if Amendment [ ]; Amendment Number: The Amendment (check only one): [ ] is a restatement. [ ] adds new holdings entries. Institutional Investment manager Filing this Report: Name: Select Equity Group, Inc. Address: 380 Lafayette St., 6th Floor New York, NY 10003 13F File Number: The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the 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: James R. Berman Title: Chief Operating Officer Phone: 212-475-8335 Signature, place and date of signing: New York, New York May 15, 2013 Report Type (check only one): [X] 13F HOLDINGS REPORT [ ] 13F NOTICE [ ] 13F COMBINATION REPORT FORM 13F SUMMARY PAGE Select Equity Group, Inc. Report Summary: Number of Other Included managers: 1 Form 13F Information Table Entry Total: 167 Form 13F Information Table Value Total: $ 7,500,656 (Thousands) List of Other Included Managers: Select Offshore Advisors, LLC FORM 13F INFORMATION TABLE VALUE SHARES/ SH/ PUT/ INVSTMT OTHER VOTING AUTHORITY NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE ------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- -------- 51Job Inc - ADR JOBS SP ADR REP COM 316827104 4,648 78,241 SH Sole 78,241 Airgas Inc ARG COM 009363102 111,002 1,119,419 SH Sole 1,034,176 85,243 Airgas Inc ARG COM 009363102 36,246 365,529 SH Defined 01 365,529 American International Group COM NEW 026874784 14,339 369,365 SH Sole 303,775 65,590 American International Group COM NEW 026874784 9,281 239,070 SH Defined 01 239,070 Ametek Inc. AME COM 031100100 95,346 2,198,946 SH Sole 2,050,808 148,138 Ametek Inc. AME COM 031100100 32,022 738,505 SH Defined 01 738,505 Amphenol Corporation CL A 032095101 127,243 1,704,524 SH Sole 1,578,601 125,923 Amphenol Corporation CL A 032095101 42,364 567,495 SH Defined 01 567,495 Autozone Inc AZO COM 053332102 5,121 12,906 SH Sole 12,906 Autozone Inc AZO COM 053332102 1,990 5,015 SH Defined 01 5,015 Banco Santander SA - SPON ADR ADR 05964H105 4,323 634,807 SH Sole 634,807 Berry Plastics Group Inc BER COM 08579W103 51,074 2,681,073 SH Sole 2,202,458 478,615 Berry Plastics Group Inc BER COM 08579W103 33,118 1,738,477 SH Defined 01 1,738,477 Blackstone Group The COM UNIT LTD 09253U108 63,569 3,213,803 SH Sole 3,213,803 Blackstone Group The COM UNIT LTD 09253U108 15,666 792,000 SH CALL Sole 640,000 152,000 Blackstone Group The COM UNIT LTD 09253U108 131,161 6,631,000 SH CALL Sole 6,631,000 Blackstone Group The COM UNIT LTD 09253U108 10,691 540,500 SH CALL Defined 01 540,500 Blackstone Group The COM UNIT LTD 09253U108 98,148 4,962,000 SH CALL Defined 01 4,962,000 Blount International BLT COM 095180105 15,631 1,168,208 SH Sole 1,081,341 86,867 Blount International BLT COM 095180105 5,123 382,856 SH Defined 01 382,856 Bright Horizons Family Solutio COM AD109194100 6,676 197,565 SH Sole 162,360 35,205 Bright Horizons Family Solutio COM AD109194100 4,306 127,435 SH Defined 01 127,435 Brookdale Sr Living Inc BKD COM 112463104 8,482 304,244 SH Sole 239,564 64,680 Brookdale Sr Living Inc BKD COM 112463104 4,332 155,367 SH Defined 01 155,367 Brookfield Asset Management CL A LTD VT SH 112585104 146,899 4,025,732 SH Sole 3,727,977 297,755 Brookfield Asset Management CL A LTD VT SH 112585104 43,395 1,189,221 SH Defined 01 1,189,221 Bruker Corporation BRKR COM 116794108 15,279 799,949 SH Sole 799,949 Bruker Corporation BRKR COM 116794108 16,406 858,974 SH Defined 01 858,974 C.H. Robinson Worldwide Inc COM NEW 12541W209 9,693 163,009 SH Sole 163,009 C.H. Robinson Worldwide Inc COM NEW 12541W209 3,761 63,251 SH Defined 01 63,251 CBRE Group Inc CBG CL A 12504L109 186,706 7,394,280 SH Sole 6,563,717 830,563 CBRE Group Inc CBG CL A 12504L109 88,520 3,505,753 SH Defined 01 3,505,753 Cabela's Inc CAB COM 126804301 5,558 91,451 SH Sole 91,451 Cabela's Inc CAB COM 126804301 5,094 83,815 SH Defined 01 83,815 Central European Media Ent-A CL A NEW G20045202 2,990 708,599 SH Sole 708,599 Central European Media Ent-A CL A NEW G20045202 2,910 689,670 SH Defined 01 689,670 Chubb Corp CB COM 171232101 6,462 73,831 SH Sole 73,831 Chubb Corp CB COM 171232101 4,331 49,475 SH Defined 01 49,475 Coach Inc COH COM 189754104 6,474 129,500 SH Sole 117,800 11,700 Coach Inc COH COM 189754104 6,394 127,900 SH Defined 01 127,900 Danaher Corporation DHR COM 235851102 78,819 1,268,208 SH Sole 1,116,365 151,843 Danaher Corporation DHR COM 235851102 49,570 797,586 SH Defined 01 797,586 Dentsply International Inc X COM 249030107 171,305 4,036,416 SH Sole 3,724,484 311,932 Dentsply International Inc X COM 249030107 52,599 1,239,368 SH Defined 01 1,239,368 ETrade Financial Corp ETFC COM NEW 269246401 85,884 8,019,035 SH Sole 6,518,340 1,500,695 ETrade Financial Corp ETFC COM NEW 269246401 53,357 4,981,988 SH Defined 01 4,981,988 Expeditors Intl Wash Inc EXP COM 302130109 4,759 133,182 SH Sole 133,182 Expeditors Intl Wash Inc EXP COM 302130109 1,854 51,877 SH Defined 01 51,877 Factset Research Systems Inc COM 303075105 9,006 97,252 SH Sole 97,252 Factset Research Systems Inc COM 303075105 7,929 85,625 SH Defined 01 85,625 First Republic Bank FRC COM 33616C100 84,328 2,183,536 SH Sole 2,026,643 156,893 First Republic Bank FRC COM 33616C100 32,449 840,200 SH Defined 01 840,200 Firstservice Corporation-VTG SUB VTG SH 33761N109 13,927 417,971 SH Sole 417,971 Firstservice Corporation-VTG SUB VTG SH 33761N109 12,945 388,492 SH Defined 01 388,492 Fortress Investment Group-Cl A CL A 34958B106 5,939 928,030 SH Sole 928,030 Garmin Ltd GRMN SHS h2906t109 98,370 2,976,399 SH Sole 2,771,776 204,623 Garmin Ltd GRMN SHS h2906t109 32,774 991,634 SH Defined 01 991,634 Harley-Davidson Inc. HOG COM 412822108 198,402 3,722,367 SH Sole 3,450,018 272,349 Harley-Davidson Inc. HOG COM 412822108 67,955 1,274,957 SH Defined 01 1,274,957 Heico Corp HEI COM 422806109 55,742 1,284,087 SH Sole 1,197,536 86,551 Heico Corp HEI COM 422806109 24,904 573,696 SH Defined 01 573,696 Henry Schein HSIC COM 806407102 22,802 246,379 SH Sole 202,223 44,156 Henry Schein HSIC COM 806407102 14,859 160,549 SH Defined 01 160,549 IHS Inc Class A IHS CL A 451734107 115,906 1,106,819 SH Sole 1,021,846 84,973 IHS Inc Class A IHS CL A 451734107 35,712 341,027 SH Defined 01 341,027 ITT Educational Services ESI COM 45068B109 32,213 2,337,659 SH Sole 1,951,871 385,788 ITT Educational Services ESI COM 45068B109 22,436 1,628,124 SH Defined 01 1,628,124 ITT Educational Services ESI COM 45068B109 4,100 297,500 SH CALL Sole 297,500 ITT Educational Services ESI COM 45068B109 3,107 225,500 SH CALL Defined 01 225,500 Iberiabank Corp IBKC COM 450828108 3,052 61,025 SH Sole 61,025 Iberiabank Corp IBKC COM 450828108 3,406 68,090 SH Defined 01 68,090 Intl Speedway Corp CL A ISCA CL A 460335201 9,452 289,220 SH Sole 289,220 Intl Speedway Corp CL A ISCA CL A 460335201 10,038 307,172 SH Defined 01 307,172 Intuit Inc INTU COM 461202103 49,598 755,372 SH Sole 755,372 Intuit Inc INTU COM 461202103 32,248 491,133 SH Defined 01 491,133 Istar Financial Inc sfi COM 45031U101 1,310 120,255 SH Sole 120,255 KKR & Co Lp KKR COM UNITS 48248M102 18,747 970,345 SH Sole 970,345 KKR & Co Lp KKR COM UNITS 48248M102 24,403 1,263,100 SH CALL Sole 1,117,500 145,600 KKR & Co Lp KKR COM UNITS 48248M102 3,217 166,500 SH CALL Sole 166,500 KKR & Co Lp KKR COM UNITS 48248M102 18,480 956,500 SH CALL Defined 01 956,500 Kirby Corp KEX COM 497266106 182,036 2,370,256 SH Sole 2,204,675 165,581 Kirby Corp KEX COM 497266106 58,809 765,742 SH Defined 01 765,742 Lennox International Inc LII COM 526107107 43,929 691,900 SH Sole 567,800 124,100 Lennox International Inc LII COM 526107107 28,588 450,270 SH Defined 01 450,270 Lincoln Electric Holdings L COM 533900106 1,400 25,846 SH Sole 25,846 Lincoln Electric Holdings L COM 533900106 1,153 21,289 SH Defined 01 21,289 Lowe's Companies, Inc. LOW COM 548661107 10,752 283,535 SH Sole 283,535 Lowe's Companies, Inc. LOW COM 548661107 4,175 110,093 SH Defined 01 110,093 MGIC Investment Corp MTG COM 552848103 4,019 811,900 SH CALL Sole 811,900 MGIC Investment Corp MTG COM 552848103 7,539 1,523,000 SH CALL Sole 1,523,000 MGIC Investment Corp MTG COM 552848103 3,099 626,000 SH CALL Defined 01 626,000 MGIC Investment Corp MTG COM 552848103 5,866 1,185,000 SH CALL Defined 01 1,185,000 MRC Global Inc MRC COM 55345K103 164,367 4,991,411 SH Sole 4,089,155 902,256 MRC Global Inc MRC COM 55345K103 106,005 3,219,111 SH Defined 01 3,219,111 MSC Industrial Direct CO-A M CL A 553530106 133,252 1,553,410 SH Sole 1,435,409 118,001 MSC Industrial Direct CO-A M CL A 553530106 44,425 517,896 SH Defined 01 517,896 Markel Corp MKL COM 570535104 131,471 261,115 SH Sole 242,512 18,603 Markel Corp MKL COM 570535104 44,129 87,644 SH Defined 01 87,644 Micro Systems MCRS COM 594901100 112,605 2,474,285 SH Sole 2,301,706 172,579 Micro Systems MCRS COM 594901100 41,679 915,818 SH Defined 01 915,818 Mistras Group Inc MG COM 60649T107 3,042 125,661 SH Sole 125,661 Mistras Group Inc MG COM 60649T107 2,632 108,724 SH Defined 01 108,724 Mohawk Industries Inc MHK COM 608190104 128,378 1,134,885 SH Sole 1,058,415 76,470 Mohawk Industries Inc MHK COM 608190104 51,615 456,289 SH Defined 01 456,289 Mondelez International Inc. A CL A 609207105 4,121 134,610 SH Sole 134,610 Mondelez International Inc. A CL A 609207105 1,600 52,265 SH Defined 01 52,265 Moodys Investors Service MC COM 615369105 23,807 446,484 SH Sole 446,484 Moodys Investors Service MC COM 615369105 19,759 370,575 SH Defined 01 370,575 Nationstar Mortgage Holdings COM 63861C109 7,620 206,500 SH Sole 189,300 17,200 Nationstar Mortgage Holdings COM 63861C109 7,583 205,500 SH Defined 01 205,500 Newcastle Investment Corporati COM 65105M108 6,464 578,700 SH Sole 526,240 52,460 Newcastle Investment Corporati COM 65105M108 6,374 570,680 SH Defined 01 570,680 OReilly Automotive ORLY COM 67103H107 160,857 1,570,269 SH Sole 1,451,815 118,454 OReilly Automotive ORLY COM 67103H107 51,005 497,910 SH Defined 01 497,910 Pall Corp PLL COM 696429307 138,627 2,027,595 SH Sole 1,867,853 159,742 Pall Corp PLL COM 696429307 40,803 596,795 SH Defined 01 596,795 Paychex PAYX COM 704326107 90,727 2,587,766 SH Sole 2,377,954 209,812 Paychex PAYX COM 704326107 22,769 649,416 SH Defined 01 649,416 Perkinelmer Inc PKI COM 714046109 66,238 1,969,038 SH Sole 1,969,038 Perkinelmer Inc PKI COM 714046109 22,079 656,340 SH Defined 01 656,340 Perrigo Co. prgo COM 714290103 57,226 481,947 SH Sole 446,199 35,748 Perrigo Co. prgo COM 714290103 16,583 139,662 SH Defined 01 139,662 PetroLogistics LP PDH UNIT LTD PTH INT 71672U101 1,753 127,192 SH Sole 127,192 Rexnord Holdings, Inc. RXN COM 76169B102 20,686 974,374 SH Sole 799,284 175,090 Rexnord Holdings, Inc. RXN COM 76169B102 13,261 624,625 SH Defined 01 624,625 SEI Investments Company SEI COM 784117103 19,280 668,291 SH Sole 668,291 SEI Investments Company SEI COM 784117103 18,053 625,765 SH Defined 01 625,765 SPDR S&P 500 ETF Trust spy TR UNIT 78462F103 240,723 1,536,500 SH PUT Sole 1,536,500 SPDR S&P 500 ETF Trust spy TR UNIT 78462F103 229,287 1,463,500 SH PUT Defined 01 1,463,500 Scripps Networks Interactive I CL A COM 811065101 100,704 1,565,182 SH Sole 1,437,463 127,719 Scripps Networks Interactive I CL A COM 811065101 29,526 458,909 SH Defined 01 458,909 Sherwin Williams Co SHW COM 824348106 168,238 996,140 SH Sole 925,296 70,844 Sherwin Williams Co SHW COM 824348106 48,765 288,741 SH Defined 01 288,741 Sigma-Aldrich Corporation SI COM 826552101 98,148 1,263,978 SH Sole 1,263,978 Sigma-Aldrich Corporation SI COM 826552101 33,737 434,469 SH Defined 01 434,469 Signet Jewlers Ltd SIG SHS G81276100 164,566 2,456,209 SH Sole 2,279,192 177,017 Signet Jewlers Ltd SIG SHS G81276100 46,784 698,266 SH Defined 01 698,266 Sirona Dental Systems Inc. S COM 82966C103 3,299 44,742 SH Sole 44,742 Snap-On Inc. SNA COM 833034101 9,062 109,573 SH Sole 92,316 17,257 Snap-On Inc. SNA COM 833034101 6,689 80,888 SH Defined 01 80,888 Staples Inc SPLS COM 855030102 22,143 1,650,000 SH CALL Sole 1,650,000 Staples Inc SPLS COM 855030102 16,741 1,247,500 SH CALL Defined 01 1,247,500 TD Ameritrade Holding Corp A COM 87236Y108 56,132 2,722,225 SH Sole 2,339,740 382,485 TD Ameritrade Holding Corp A COM 87236Y108 37,619 1,824,385 SH Defined 01 1,824,385 TD Ameritrade Holding Corp A COM 87236Y108 16,310 791,000 SH CALL Sole 719,000 72,000 TD Ameritrade Holding Corp A COM 87236Y108 123,332 5,981,200 SH CALL Sole 5,981,200 TD Ameritrade Holding Corp A COM 87236Y108 16,269 789,000 SH CALL Defined 01 789,000 TD Ameritrade Holding Corp A COM 87236Y108 92,708 4,496,000 SH CALL Defined 01 4,496,000 TJX Companies Inc TJX COM 872540109 3,870 82,775 SH Sole 82,775 TJX Companies Inc TJX COM 872540109 1,503 32,145 SH Defined 01 32,145 Texas Pacific Land Trust TPL SUB CTF PROP I T 882610108 24,664 349,943 SH Sole 349,943 Texas Pacific Land Trust TPL SUB CTF PROP I T 882610108 26,769 379,808 SH Defined 01 379,808 Thermo Fisher Scientic Inc. COM 883556102 12,876 168,338 SH Sole 168,338 Thermo Fisher Scientic Inc. COM 883556102 5,033 65,802 SH Defined 01 65,802 TransDigm Group Inc. TDG COM 893641100 123,525 807,776 SH Sole 745,538 62,238 TransDigm Group Inc. TDG COM 893641100 37,589 245,810 SH Defined 01 245,810 Verisk Analytics Inc - Class A CL A 92345Y106 11,044 179,228 SH Sole 179,228 Verisk Analytics Inc - Class A CL A 92345Y106 10,474 169,971 SH Defined 01 169,971 Wabtec Corp WAB COM 929740108 56,203 550,414 SH Sole 509,986 40,428 Wabtec Corp WAB COM 929740108 16,945 165,950 SH Defined 01 165,950 West Marine Inc COM 954235107 7,659 670,059 SH Sole 670,059 West Marine Inc COM 954235107 7,162 626,576 SH Defined 01 626,576 Williams Sonoma Inc WSM COM 969904101 175,443 3,405,341 SH Sole 3,151,113 254,228 Williams Sonoma Inc WSM COM 969904101 55,877 1,084,560 SH Defined 01 1,084,560 Wolverine World Wide, Inc. WWW COM 978097103 136,235 3,070,434 SH Sole 2,851,358 219,076 Wolverine World Wide, Inc. WWW COM 978097103 44,091 993,707 SH Defined 01 993,707