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
Estimated average burden
hours per response: 23.8
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
ADOBE INC COM 00724F101 220 745 SH   OTR 1 745 0 0
AIR LEASE CORP CL A 00912X302 10,540 254,955 SH   OTR   254,955 0 0
AIR LEASE CORP CL A 00912X302 18,268 441,899 SH   OTR 1 441,899 0 0
ALLOGENE THERAPEUTICS INC COM 019770106 303 11,283 SH   OTR 1 11,283 0 0
ALPHABET INC CAP STK CL A 02079K305 657 607 SH   OTR   607 0 0
ALPHABET INC CAP STK CL A 02079K305 2,717 2,509 SH   OTR 1 2,509 0 0
ALPHABET INC CAP STK CL C 02079K107 18,413 17,035 SH   OTR   17,035 0 0
ALPHABET INC CAP STK CL C 02079K107 33,935 31,395 SH   OTR 1 31,395 0 0
ALTAIR ENGR INC NOTE 0.250% 6/0 021369AA1 14,082 13,000,000 PRN   OTR 1 13,000,000 0 0
ALTERYX INC COM CL A 02156B103 6,781 62,140 SH   OTR 1 62,140 0 0
AMERICAN EXPRESS CO COM 025816109 221 1,792 SH   OTR 1 1,792 0 0
AMERICAN WTR WKS CO INC NEW COM 030420103 7,054 60,813 SH   OTR   60,813 0 0
AMERICAN WTR WKS CO INC NEW COM 030420103 19,237 165,836 SH   OTR 1 165,836 0 0
AMICUS THERAPEUTICS INC COM 03152W109 5,052 404,780 SH   OTR 1 404,780 0 0
ANTERO MIDSTREAM CORP COM 03676B102 1,032 90,067 SH   OTR   90,067 0 0
ANTERO MIDSTREAM CORP COM 03676B102 390 34,000 SH   OTR 1 34,000 0 0
APPLE INC COM 037833100 1,527 7,717 SH   OTR 1 7,717 0 0
APPLIED MATLS INC COM 038222105 7,413 165,060 SH   OTR   165,060 0 0
APPLIED MATLS INC COM 038222105 12,839 285,876 SH   OTR 1 285,876 0 0
AUDENTES THERAPEUTICS INC COM 05070R104 3,278 86,585 SH   OTR 1 86,585 0 0
AVALARA INC COM 05338G106 4,645 64,340 SH   OTR 1 64,340 0 0
AXOS FINL INC COM 05465C100 3,424 125,655 SH   OTR 1 125,655 0 0
BERKLEY W R CORP COM 084423102 247 3,745 SH   OTR 1 3,745 0 0
BERKSHIRE HATHAWAY INC DEL CL A 084670108 1,910 6 SH   OTR   6 0 0
BERKSHIRE HATHAWAY INC DEL CL A 084670108 318 1 SH   OTR 1 1 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 14,208 66,650 SH   OTR 1 66,650 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 6,003 28,160 SH   OTR   28,160 0 0
BIO TECHNE CORP COM 09073M104 3,150 15,110 SH   OTR 1 15,110 0 0
BLUE BIRD CORP COM 095306106 33,727 1,712,911 SH   OTR 1 1,712,911 0 0
BOEING CO COM 097023105 9,432 25,911 SH   OTR   25,911 0 0
BOEING CO COM 097023105 18,722 51,434 SH   OTR 1 51,434 0 0
BRISTOL MYERS SQUIBB CO COM 110122108 281 6,209 SH   OTR 1 6,209 0 0
BROADRIDGE FINL SOLUTIONS IN COM 11133T103 6,146 48,135 SH   OTR   48,135 0 0
BROADRIDGE FINL SOLUTIONS IN COM 11133T103 10,588 82,928 SH   OTR 1 82,928 0 0
BROOKFIELD ASSET MGMT INC CL A LTD VT SH 112585104 17,832 373,204 SH   OTR   373,204 0 0
BROOKFIELD ASSET MGMT INC CL A LTD VT SH 112585104 34,268 717,207 SH   OTR 1 717,207 0 0
CAREDX INC COM 14167L103 3,577 99,385 SH   OTR 1 99,385 0 0
CEMEX SAB DE CV NOTE 3.720% 3/1 151290BR3 19,241 19,300,000 PRN   OTR 1 19,300,000 0 0
CEMEX SAB DE CV NOTE 3.720% 3/1 151290BT9 54,657 54,825,000 PRN   OTR 1 54,825,000 0 0
CHARTER COMMUNICATIONS INC N CL A 16119P108 12,265 31,037 SH   OTR   31,037 0 0
CHARTER COMMUNICATIONS INC N CL A 16119P108 19,929 50,431 SH   OTR 1 50,431 0 0
CHEVRON CORP NEW COM 166764100 58 465 SH   OTR   465 0 0
CHEVRON CORP NEW COM 166764100 403 3,237 SH   OTR 1 3,237 0 0
CLEVELAND CLIFFS INC DBCV 1.500% 1/1 185899AA9 3,608 2,500,000 PRN   OTR 1 2,500,000 0 0
COGNIZANT TECHNOLOGY SOLUTIO CL A 192446102 9,491 149,719 SH   OTR 1 149,719 0 0
COGNIZANT TECHNOLOGY SOLUTIO CL A 192446102 4,725 74,545 SH   OTR   74,545 0 0
CROWN CASTLE INTL CORP NEW COM 22822V101 8,126 62,341 SH   OTR   62,341 0 0
CROWN CASTLE INTL CORP NEW COM 22822V101 14,511 111,322 SH   OTR 1 111,322 0 0
DANAHER CORPORATION COM 235851102 12,792 89,505 SH   OTR   89,505 0 0
DANAHER CORPORATION COM 235851102 24,350 170,375 SH   OTR 1 170,375 0 0
DIGITAL RLTY TR INC COM 253868103 8,828 74,945 SH   OTR   74,945 0 0
DIGITAL RLTY TR INC COM 253868103 18,487 156,947 SH   OTR 1 156,947 0 0
DISNEY WALT CO COM DISNEY 254687106 232 1,661 SH   OTR 1 1,661 0 0
DOLLAR GEN CORP NEW COM 256677105 7,803 57,735 SH   OTR   57,735 0 0
DOLLAR GEN CORP NEW COM 256677105 15,243 112,777 SH   OTR 1 112,777 0 0
EHEALTH INC COM 28238P109 6,290 73,055 SH   OTR 1 73,055 0 0
ELECTRONICS FOR IMAGING INC NOTE 0.750% 9/0 286082AC6 45,337 45,590,000 PRN   OTR 1 45,590,000 0 0
ENOVA INTL INC COM 29357K103 8,433 365,850 SH   OTR 1 365,850 0 0
ENTERPRISE PRODS PARTNERS L COM 293792107 12,853 445,218 SH   OTR   445,218 0 0
ENTERPRISE PRODS PARTNERS L COM 293792107 19,853 687,686 SH   OTR 1 687,686 0 0
ETSY INC COM 29786A106 5,816 94,770 SH   OTR 1 94,770 0 0
EXXON MOBIL CORP COM 30231G102 496 6,471 SH   OTR   6,471 0 0
EXXON MOBIL CORP COM 30231G102 1,127 14,711 SH   OTR 1 14,711 0 0
EZCORP INC NOTE 2.375% 5/0 302301AE6 9,022 10,000,000 PRN   OTR 1 10,000,000 0 0
EZCORP INC NOTE 2.875% 7/0 302301AF3 19,097 16,835,000 PRN   OTR 1 16,835,000 0 0
FEDEX CORP COM 31428X106 3,942 24,010 SH   OTR   24,010 0 0
FEDEX CORP COM 31428X106 6,901 42,028 SH   OTR 1 42,028 0 0
FIREEYE INC COM 31816Q101 5,234 353,410 SH   OTR   353,410 0 0
FIREEYE INC COM 31816Q101 9,938 671,010 SH   OTR 1 671,010 0 0
FIRST REP BK SAN FRANCISCO C COM 33616C100 1,644 16,840 SH   OTR   16,840 0 0
FIRST REP BK SAN FRANCISCO C COM 33616C100 93 952 SH   OTR 1 952 0 0
FLOOR & DECOR HLDGS INC CL A 339750101 2,810 67,055 SH   OTR 1 67,055 0 0
FUNKO INC COM CL A 361008105 3,430 141,600 SH   OTR 1 141,600 0 0
HANNON ARMSTRONG SUST INFR C COM 41068X100 1,820 64,575 SH   OTR   64,575 0 0
HANNON ARMSTRONG SUST INFR C COM 41068X100 6,120 217,169 SH   OTR 1 217,169 0 0
HOLOGIC INC COM 436440101 13,278 276,500 SH   OTR 1 276,500 0 0
HOLOGIC INC COM 436440101 7,027 146,340 SH   OTR   146,340 0 0
HORIZON GLOBAL CORP NOTE 2.750% 7/0 44052WAA2 22,127 36,321,000 PRN   OTR 1 36,321,000 0 0
INSPIRE MED SYS INC COM 457730109 3,304 54,476 SH   OTR 1 54,476 0 0
INSULET CORP COM 45784P101 5,594 46,860 SH   OTR 1 46,860 0 0
INTERNATIONAL BUSINESS MACHS COM 459200101 284 2,064 SH   OTR 1 2,064 0 0
INTERNATIONAL FLAVORS&FRAGRA COM 459506101 8 58 SH   OTR 1 58 0 0
IOVANCE BIOTHERAPEUTICS INC COM 462260100 3,565 145,380 SH   OTR 1 145,380 0 0
ISHARES TR CORE 1 5 YR USD 46432F859 316 6,260 PRN   OTR 1 6,260 0 0
JOHNSON & JOHNSON COM 478160104 6,155 44,188 SH   OTR   44,188 0 0
JOHNSON & JOHNSON COM 478160104 12,859 92,319 SH   OTR 1 92,319 0 0
KODIAK SCIENCES INC COM 50015M109 2,486 212,470 SH   SOLE   212,470 0 0
LENDINGTREE INC NEW COM 52603B107 2,025 4,820 SH   OTR 1 4,820 0 0
LILLY ELI & CO COM 532457108 1,823 16,451 SH   OTR   16,451 0 0
LILLY ELI & CO COM 532457108 796 7,188 SH   OTR 1 7,188 0 0
MAGELLAN MIDSTREAM PRTNRS LP COM UNIT RP LP 559080106 4,528 70,748 SH   OTR   70,748 0 0
MAGELLAN MIDSTREAM PRTNRS LP COM UNIT RP LP 559080106 13,073 204,264 SH   OTR 1 204,264 0 0
MARKER THERAPEUTICS INC COM 57055L107 945 119,333 SH   OTR 1 119,333 0 0
MCGRATH RENTCORP COM 580589109 245 3,939 SH   OTR 1 3,939 0 0
MEDIFAST INC COM 58470H101 1,833 14,290 SH   OTR 1 14,290 0 0
MERCK & CO INC COM 58933Y105 66 783 SH   OTR   783 0 0
MERCK & CO INC COM 58933Y105 922 10,995 SH   OTR 1 10,995 0 0
META FINL GROUP INC COM 59100U108 3,545 126,370 SH   OTR 1 126,370 0 0
MICRON TECHNOLOGY INC COM 595112103 3,982 103,180 SH   OTR   103,180 0 0
MICRON TECHNOLOGY INC COM 595112103 7,873 204,022 SH   OTR 1 204,022 0 0
MICROSOFT CORP COM 594918104 31,136 232,429 SH   OTR 1 232,429 0 0
MICROSOFT CORP COM 594918104 15,249 113,835 SH   OTR   113,835 0 0
MONOLITHIC PWR SYS INC COM 609839105 5,925 43,640 SH   OTR   43,640 0 0
MONOLITHIC PWR SYS INC COM 609839105 10,056 74,063 SH   OTR 1 74,063 0 0
NEKTAR THERAPEUTICS COM 640268108 2,652 74,545 SH   OTR   74,545 0 0
NEKTAR THERAPEUTICS COM 640268108 5,186 145,745 SH   OTR 1 145,745 0 0
NEW RELIC INC COM 64829B100 2,191 25,325 SH   OTR 1 25,325 0 0
NEXTERA ENERGY INC COM 65339F101 12,630 61,653 SH   OTR   61,653 0 0
NEXTERA ENERGY INC COM 65339F101 22,940 111,977 SH   OTR 1 111,977 0 0
NOVARTIS A G SPONSORED ADR 66987V109 9,383 102,759 SH   OTR   102,759 0 0
NOVARTIS A G SPONSORED ADR 66987V109 18,580 203,486 SH   OTR 1 203,486 0 0
OLD DOMINION FREIGHT LINE IN COM 679580100 5,132 34,385 SH   OTR   34,385 0 0
OLD DOMINION FREIGHT LINE IN COM 679580100 10,373 69,496 SH   OTR 1 69,496 0 0
OSI SYSTEMS INC NOTE 1.250% 9/0 671044AD7 24,000 20,250,000 PRN   OTR 1 20,250,000 0 0
PAYLOCITY HLDG CORP COM 70438V106 3,536 37,685 SH   OTR 1 37,685 0 0
PIMCO ETF TR 0-5 HIGH YIELD 72201R783 624 6,215 PRN   OTR 1 6,215 0 0
PLANET FITNESS INC CL A 72703H101 6,392 88,240 SH   OTR 1 88,240 0 0
PROCTER AND GAMBLE CO COM 742718109 925 8,435 SH   OTR   8,435 0 0
PROCTER AND GAMBLE CO COM 742718109 1,851 16,879 SH   OTR 1 16,879 0 0
QUINSTREET INC COM 74874Q100 6,042 381,193 SH   OTR 1 381,193 0 0
RAMBUS INC DEL NOTE 1.375% 2/0 750917AG1 4,904 5,000,000 PRN   OTR 1 5,000,000 0 0
RAPID7 INC COM 753422104 6,707 115,955 SH   OTR 1 115,955 0 0
SERVICEMASTER GLOBAL HLDGS I COM 81761R109 8,007 153,713 SH   SOLE   153,713 0 0
SERVICEMASTER GLOBAL HLDGS I COM 81761R109 14,495 278,268 SH   OTR 1 278,268 0 0
SKYLINE CHAMPION CORPORATION COM 830830105 3,599 131,435 SH   OTR 1 131,435 0 0
SYNOPSYS INC COM 871607107 6,261 48,655 SH   OTR   48,655 0 0
SYNOPSYS INC COM 871607107 11,411 88,671 SH   OTR 1 88,671 0 0
TABULA RASA HEALTHCARE INC COM 873379101 6,014 120,445 SH   OTR 1 120,445 0 0
TELADOC HEALTH INC COM 87918A105 4,928 74,210 SH   OTR 1 74,210 0 0
TELEFLEX INC COM 879369106 14,446 43,624 SH   OTR 1 43,624 0 0
TELEFLEX INC COM 879369106 7,633 23,051 SH   OTR   23,051 0 0
TREX CO INC COM 89531P105 5,035 70,220 SH   OTR 1 70,220 0 0
TUTOR PERINI CORP NOTE 2.875% 6/1 901109AD0 5,696 6,010,000 PRN   OTR 1 6,010,000 0 0
TWILIO INC CL A 90138F102 3,183 23,341 SH   OTR 1 23,341 0 0
TWITTER INC NOTE 0.250% 9/1 90184LAB8 121,167 121,881,000 PRN   OTR 1 121,881,000 0 0
UNILEVER N V N Y SHS NEW 904784709 8,878 146,210 SH   OTR   146,210 0 0
UNILEVER N V N Y SHS NEW 904784709 17,017 280,260 SH   OTR 1 280,260 0 0
UNION PACIFIC CORP COM 907818108 860 5,083 SH   OTR 1 5,083 0 0
UNISYS CORP NOTE 5.500% 3/0 909214BS6 14,551 11,916,000 PRN   OTR 1 11,916,000 0 0
US FOODS HLDG CORP COM 912008109 6,699 187,345 SH   OTR   187,345 0 0
US FOODS HLDG CORP COM 912008109 13,484 377,064 SH   OTR 1 377,064 0 0
VERICEL CORP COM 92346J108 5,159 273,130 SH   OTR 1 273,130 0 0
VICI PPTYS INC COM 925652109 5,630 255,455 SH   OTR   255,455 0 0
VICI PPTYS INC COM 925652109 7,364 334,117 SH   OTR 1 334,117 0 0
VISA INC COM CL A 92826C839 8,839 50,930 SH   OTR   50,930 0 0
VISA INC COM CL A 92826C839 17,483 100,738 SH   OTR 1 100,738 0 0
WALGREENS BOOTS ALLIANCE INC COM 931427108 669 12,230 SH   OTR 1 12,230 0 0
WASTE CONNECTIONS INC COM 94106B101 11,508 120,405 SH   OTR   120,405 0 0
WASTE CONNECTIONS INC COM 94106B101 22,653 237,010 SH   OTR 1 237,010 0 0
WELLS FARGO CO NEW COM 949746101 515 10,866 SH   OTR 1 10,866 0 0