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
Agrofresh Solutions Warrants Exp 07/31/20 *W EXP 07/31/202 00856G117 2 6,350 SH   OTR   6,350 0 0
Agrofresh Solutions Warrants Exp 07/31/20 *W EXP 07/31/202 00856G117 22 59,141 SH   SOLE   55,291 0 3,850
Alibaba Group ADR SPONSORED ADS 01609W102 3,567 19,225 SH   SOLE   19,225 0 0
Alphabet Inc. Class A CAP STK CL A 02079K305 158 140 SH   OTR   140 0 0
Alphabet Inc. Class A CAP STK CL A 02079K305 2,974 2,634 SH   SOLE   2,424 0 210
Alphabet Inc. Class C CAP STK CL C 02079K107 156 140 SH   OTR   140 0 0
Alphabet Inc. Class C CAP STK CL C 02079K107 1,754 1,572 SH   SOLE   1,387 0 185
American Express Co. COM 025816109 287 2,925 SH   OTR   2,925 0 0
American Express Co. COM 025816109 3,174 32,385 SH   SOLE   30,185 0 2,200
Apollo Global Management LP CL A SHS 037612306 297 9,304 SH   SOLE   9,304 0 0
Apple COM 037833100 662 3,577 SH   SOLE   3,577 0 0
Arch Cap Group LTD ORD G0450A105 601 22,710 SH   SOLE   19,710 0 3,000
AT&T COM 00206R102 414 12,890 SH   SOLE   5,703 0 7,187
Baidu Inc SPON ADR REP A 056752108 1,038 4,271 SH   SOLE   4,271 0 0
Baxter International COM 071813109 4 50 SH   OTR   50 0 0
Baxter International COM 071813109 1,210 16,350 SH   SOLE   15,875 0 475
Biogen Inc COM 09062X103 232 800 SH   SOLE   800 0 0
Blackstone Group LP COM UNIT LTD 09253U108 97 3,000 SH   OTR   3,000 0 0
Blackstone Group LP COM UNIT LTD 09253U108 2,665 82,853 SH   SOLE   78,228 0 4,625
Boeing COM 097023105 3,874 11,548 SH   SOLE   11,548 0 0
BorgWarner Inc. COM 099724106 73 1,700 SH   OTR   1,700 0 0
BorgWarner Inc. COM 099724106 966 22,390 SH   SOLE   21,720 0 670
Box Inc CL A 10316T104 959 38,362 SH   SOLE   38,362 0 0
Bristol-Myers Squibb COM 110122108 84 1,525 SH   OTR   1,525 0 0
Bristol-Myers Squibb COM 110122108 1,053 19,023 SH   SOLE   14,868 0 4,155
Brookfield Asset Management Class A CL A LTD VT SH 112585104 279 6,887 SH   OTR   6,887 0 0
Brookfield Asset Management Class A CL A LTD VT SH 112585104 4,192 103,409 SH   SOLE   96,039 0 7,370
Brookfield Renewable LP PARTNERSHIP UNIT G16258108 640 21,310 SH   SOLE   20,710 0 600
Canadian National Railway Co. COM 136375102 82 1,000 SH   OTR   1,000 0 0
Canadian National Railway Co. COM 136375102 1,578 19,300 SH   SOLE   19,300 0 0
Canon Inc SPONSORED ADR 138006309 925 28,300 SH   SOLE   28,300 0 0
Cellectis SA SPONSORED ADS 15117K103 620 21,900 SH   SOLE   21,900 0 0
Centurylink Inc COM 156700106 1 71 SH   OTR   71 0 0
Centurylink Inc COM 156700106 732 39,272 SH   SOLE   39,122 0 150
Chevron Corp. COM 166764100 418 3,306 SH   OTR   3,306 0 0
Chevron Corp. COM 166764100 2,289 18,102 SH   SOLE   15,986 0 2,116
Cisco Systems COM 17275R102 2,347 54,549 SH   SOLE   54,549 0 0
Colgate-Palmolive Co COM 194162103 561 8,660 SH   SOLE   1,160 0 7,500
Consolidated Edison COM 209115104 39 500 SH   OTR   500 0 0
Consolidated Edison COM 209115104 591 7,575 SH   SOLE   7,175 0 400
Devon Energy Corp COM 25179M103 103 2,350 SH   OTR   2,350 0 0
Devon Energy Corp COM 25179M103 1,051 23,900 SH   SOLE   21,865 0 2,035
Dover Corporation COM 260003108 66 900 SH   OTR   900 0 0
Dover Corporation COM 260003108 348 4,750 SH   SOLE   4,050 0 700
Enbridge Inc COM 29250N105 90 2,518 SH   OTR   2,518 0 0
Enbridge Inc COM 29250N105 1,185 33,201 SH   SOLE   29,898 0 3,303
Energy Fuels Inc F COM NEW 292671708 23 10,000 SH   SOLE   10,000 0 0
Enstar Group LTD SHS G3075P101 481 2,322 SH   SOLE   2,322 0 0
Estre Ambiental Inc SHS G3206V100 71 8,350 SH   OTR   8,350 0 0
Estre Ambiental Inc SHS G3206V100 603 70,535 SH   SOLE   63,815 0 6,720
Estre Ambiental Inc WTS *W EXP 12/21/202 G3206V118 2 4,175 SH   OTR   4,175 0 0
Estre Ambiental Inc WTS *W EXP 12/21/202 G3206V118 15 35,507 SH   SOLE   32,147 0 3,360
ExxonMobil Corp COM 30231G102 934 11,286 SH   SOLE   7,956 0 3,330
Fiat Chrysler Automobiles NV SHS N31738102 408 21,600 SH   SOLE   21,600 0 0
Forest City Realty Trust- A COM CL A 345605109 230 10,065 SH   OTR   10,065 0 0
Forest City Realty Trust- A COM CL A 345605109 1,458 63,907 SH   SOLE   63,872 0 35
Foundation Medicine COM 350465100 1,179 8,625 SH   OTR   8,625 0 0
Foundation Medicine COM 350465100 15,697 114,826 SH   SOLE   107,511 0 7,315
Gilead Sciences Inc. COM 375558103 213 3,000 SH   SOLE   3,000 0 0
Grupo Aeroportuario Del Pacifi SPON ADR B 400506101 444 4,779 SH   SOLE   4,779 0 0
Home Depot COM 437076102 137 700 SH   OTR   700 0 0
Home Depot COM 437076102 5,529 28,340 SH   SOLE   24,915 0 3,425
Honeywell Intl Inc COM 438516106 449 3,114 SH   SOLE   3,114 0 0
IBM COM 459200101 210 1,500 SH   SOLE   1,500 0 0
Johnson & Johnson COM 478160104 267 2,200 SH   OTR   2,200 0 0
Johnson & Johnson COM 478160104 1,634 13,469 SH   SOLE   13,019 0 450
JPMorgan Chase & Co COM 46625H100 167 1,600 SH   OTR   1,600 0 0
JPMorgan Chase & Co COM 46625H100 4,654 44,663 SH   SOLE   44,563 0 100
JPMorgan Chase & Co. Warrants Exp 10/28/18 *W EXP 10/28/201 46634E114 63 1,000 SH   OTR   1,000 0 0
JPMorgan Chase & Co. Warrants Exp 10/28/18 *W EXP 10/28/201 46634E114 455 7,175 SH   SOLE   7,175 0 0
Kandi Technologies Group Inc COM 483709101 348 81,972 SH   SOLE   81,972 0 0
Koninklijke Philips NVR- NY NY REG SH NEW 500472303 478 11,308 SH   SOLE   11,308 0 0
Laboratory Corp Of America Holdings COM NEW 50540R409 575 3,205 SH   SOLE   3,205 0 0
Markel Corp. COM 570535104 314 290 SH   OTR   290 0 0
Markel Corp. COM 570535104 2,775 2,559 SH   SOLE   2,254 0 305
Martin Marietta Matr COM 573284106 268 1,200 SH   SOLE   1,200 0 0
Matador Resources Co COM 576485205 102 3,400 SH   OTR   3,400 0 0
Matador Resources Co COM 576485205 2,319 77,175 SH   SOLE   75,275 0 1,900
Maxim Integrated Prods Inc COM 57772K101 302 5,145 SH   SOLE   5,145 0 0
Merck & Co. Inc. COM 58933Y105 385 6,290 SH   OTR   6,290 0 0
Merck & Co. Inc. COM 58933Y105 4,276 69,905 SH   SOLE   64,225 0 5,680
Microsoft Corp. COM 594918104 865 8,775 SH   OTR   8,775 0 0
Microsoft Corp. COM 594918104 7,242 73,442 SH   SOLE   67,307 0 6,135
Momo Inc ADR 60879B107 522 12,000 SH   SOLE   12,000 0 0
Nextera Energy Inc COM 65339F101 94 560 SH   OTR   560 0 0
Nextera Energy Inc COM 65339F101 656 3,925 SH   SOLE   3,925 0 0
Oaktree Cap Group LLC UNIT CL A 674001201 284 6,987 SH   SOLE   6,662 0 325
Obsidian Energy Ltd. COM 674482104 965 853,635 SH   SOLE   853,635 0 0
Oneok Inc COM 682680103 278 3,986 SH   OTR   3,986 0 0
Oneok Inc COM 682680103 1,216 17,411 SH   SOLE   17,411 0 0
Philip Morris International, Inc. COM 718172109 102 1,250 SH   OTR   1,250 0 0
Philip Morris International, Inc. COM 718172109 1,169 14,274 SH   SOLE   12,969 0 1,305
Plug Power Inc COM NEW 72919P202 65 32,000 SH   SOLE   32,000 0 0
Points Intl LTD Com New COM NEW 730843208 191 11,614 SH   SOLE   11,614 0 0
Procter & Gamble COM 742718109 39 495 SH   OTR   495 0 0
Procter & Gamble COM 742718109 283 3,630 SH   SOLE   3,630 0 0
Qualcomm Inc. COM 747525103 251 4,475 SH   OTR   4,475 0 0
Qualcomm Inc. COM 747525103 3,153 56,175 SH   SOLE   53,200 0 2,975
Radnet Inc COM 750491102 200 13,320 SH   SOLE   13,320 0 0
Schlumberger Ltd. COM 806857108 123 1,825 SH   OTR   1,825 0 0
Schlumberger Ltd. COM 806857108 3,926 58,137 SH   SOLE   57,512 0 625
Stmicroelectronics F Sponsored ADR NY REGISTRY 861012102 581 26,278 SH   SOLE   26,278 0 0
Syros Pharmaceutical COM 87184Q107 163 15,925 SH   SOLE   15,925 0 0
Taiwan Semiconductor Manufactu SPONSORED ADR 874039100 439 12,000 SH   SOLE   12,000 0 0
Total SA ADR SPONSORED ADR 89151E109 55 900 SH   OTR   900 0 0
Total SA ADR SPONSORED ADR 89151E109 218 3,550 SH   SOLE   2,450 0 1,100
U.S. Bancorp COM NEW 902973304 86 1,700 SH   OTR   1,700 0 0
U.S. Bancorp COM NEW 902973304 1,213 24,114 SH   SOLE   22,314 0 1,800
Union Pacific Corp. COM 907818108 489 3,450 SH   OTR   3,450 0 0
Union Pacific Corp. COM 907818108 4,091 28,875 SH   SOLE   28,875 0 0
United Technologies COM 913017109 163 1,300 SH   SOLE   1,300 0 0
USG Corp. COM NEW 903293405 161 3,725 SH   OTR   3,725 0 0
USG Corp. COM NEW 903293405 3,881 90,010 SH   SOLE   87,685 0 2,325
Verizon COM 92343V104 10 200 SH   OTR   200 0 0
Verizon COM 92343V104 528 10,487 SH   SOLE   7,872 0 2,615
Wayfair Inc- Class A CL A 94419L101 254 2,140 SH   OTR   2,140 0 0
Wayfair Inc- Class A CL A 94419L101 2,495 21,010 SH   SOLE   20,320 0 690
Wells Fargo & Co. COM 949746101 1,105 19,925 SH   SOLE   19,925 0 0
Weyerhaeuser Co REIT COM 962166104 331 9,075 SH   OTR   9,075 0 0
Weyerhaeuser Co REIT COM 962166104 5,188 142,300 SH   SOLE   134,575 0 7,725
Woodward, Inc. COM 980745103 469 6,100 SH   OTR   6,100 0 0
Woodward, Inc. COM 980745103 5,482 71,325 SH   SOLE   68,465 0 2,860
Yelp Inc CL A 985817105 4 100 SH   OTR   100 0 0
Yelp Inc CL A 985817105 605 15,441 SH   SOLE   15,041 0 400