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
3M company Common 88579Y101 12,123 110,861 SH   SOLE   96,435 0 14,426
ABB Limited ADR ADR 000375204 1,074 49,600 SH   SOLE   49,600 0 0
Acadia Realty Trust Common 004239109 6,664 269,910 SH   SOLE   61,990 0 207,920
Ace Limited Common H0023R105 316,883 3,541,380 SH   SOLE   3,347,493 0 193,887
Activision Blizzard, Inc. Common 00507V109 270,938 18,999,872 SH   SOLE   18,337,514 0 662,358
AES Corp. Common 00130H105 6,491 541,340 SH   SOLE   541,340 0 0
AES Trust III,6.75%,10/15/29 Preferred 00808N202 8,269 163,758 SH   SOLE   163,758 0 0
Agilent Technologies, Inc. Common 00846U101 157,324 3,679,231 SH   SOLE   3,522,409 0 156,822
Air Products & Chemicals, Inc. Common 009158106 661,749 7,226,703 SH   SOLE   6,911,434 0 315,269
Alexandria Real Estate Equities Common 015271109 28,498 433,630 SH   SOLE   84,145 0 349,485
Alleghany Corp. Common 017175100 737,930 1,925,153 SH   SOLE   1,782,780 0 142,373
Allegheny Technologies, Inc. Common 01741R102 12,103 460,033 SH   SOLE   460,033 0 0
Altera Corp. Common 021441100 1,610 48,800 SH   SOLE   48,800 0 0
Amazon.Com, Inc. Common 023135106 5,344 19,245 SH   SOLE   18,843 0 402
America Movil S.A.B. de C.V. ADR 02364W105 96,044 4,415,809 SH   SOLE   4,257,972 0 157,837
American Campus Communities Common 024835100 45,027 1,107,403 SH   SOLE   260,245 0 847,158
American Express Co. Common 025816109 2,824,423 37,779,862 SH   SOLE   35,832,806 0 1,947,056
American International Group Inc. Common 026874784 52,922 1,183,930 SH   SOLE   998,730 0 185,200
American Tower Corp. Common 03027X100 53,198 727,048 SH   SOLE   153,897 0 573,151
Ameriprise Financial, Inc. Common 03076C106 252,272 3,119,087 SH   SOLE   2,929,008 0 190,079
Angie's List Inc. Common 034754101 40,937 1,541,316 SH   SOLE   1,410,734 0 130,582
Apache Corp Common 037411105 228 2,715 SH   SOLE   2,365 0 350
Applied Materials, Inc. Common 038222105 5,791 388,153 SH   SOLE   344,135 0 44,018
AT&T Inc. Common 00206R102 2,995 84,600 SH   SOLE   79,350 0 5,250
Autodesk, Inc. Common 052769106 849 25,000 SH   SOLE   25,000 0 0
Automatic Data Processing Common 053015103 8,794 127,711 SH   SOLE   114,112 0 13,599
Avalonbay Communities, Inc. Common 053484101 63,843 473,227 SH   SOLE   111,157 0 362,070
Bank of America Corp. Common 060505104 14,632 1,137,826 SH   SOLE   1,006,681 0 131,145
Bank of New York Mellon Common 064058100 2,447,340 87,249,185 SH   SOLE   82,830,748 0 4,418,437
Baxter International Inc. Common 071813109 381 5,495 SH   SOLE   5,495 0 0
Becton, Dickinson and Co. Common 075887109 455 4,600 SH   SOLE   4,600 0 0
Bed Bath + Beyond Inc. Common 075896100 1,485,063 20,931,124 SH   SOLE   20,017,900 0 913,224
Berkshire Hathaway Inc., A Common 084670108 1,922,714 11,404 SH   SOLE   11,015 0 389
Berkshire Hathaway Inc., B Common 084670702 290,309 2,593,898 SH   SOLE   2,370,348 0 223,550
Biomed Realty Trust, Inc. Common 09063H107 11,969 591,624 SH   SOLE   67,861 0 523,763
Boeing Co. Common 097023105 8,940 87,271 SH   SOLE   78,492 0 8,779
Boston Properties, Inc. Common 101121101 51,476 488,064 SH   SOLE   134,434 0 353,630
BRE Properties, Inc. Common 05564E106 40,866 816,988 SH   SOLE   154,425 0 662,563
Brookfield Asset Management Foreign 112585104 348,482 9,674,677 SH   SOLE   9,096,102 0 578,575
Brookfield Property Partners LP Common G16249107 10,352 509,972 SH   SOLE   496,254 0 13,718
C.H. Robinson Worldwide, Inc. Common 12541W209 6,750 119,874 SH   SOLE   111,142 0 8,732
Campus Crest Communities, Inc. Common 13466Y105 8,887 770,119 SH   SOLE   241,762 0 528,357
Canadian Natural Resources Foreign 136385101 1,033,385 36,567,073 SH   SOLE   35,109,136 0 1,457,937
CarMax, Inc. Common 143130102 435,974 9,444,852 SH   SOLE   9,076,845 0 368,007
CBL & Associates Properties Common 124830100 22,911 1,069,603 SH   SOLE   200,242 0 869,361
CBS Corp., Class B Common 124857202 685 14,020 SH   SOLE   14,020 0 0
Cemex SA ADR 151290889 450 42,565 SH   SOLE   42,565 0 0
Charles Schwab Corp. Common 808513105 405,510 19,100,783 SH   SOLE   18,286,515 0 814,268
Chubb Corp. Common 171232101 11,053 130,570 SH   SOLE   115,693 0 14,877
Citigroup Inc. Common 172967424 14,293 297,959 SH   SOLE   297,959 0 0
CME Group Inc. Common 12572Q105 67,228 885,160 SH   SOLE   854,920 0 30,240
Coca Cola Co. Common 191216100 567,257 14,142,528 SH   SOLE   13,425,687 0 716,841
Colgate-Palmolive Co. Common 194162103 1,174 20,493 SH   SOLE   19,610 0 883
Colonial Properties Trust Common 195872106 12,469 516,950 SH   SOLE   0 0 516,950
ConocoPhillips Common 20825C104 2,159 35,690 SH   SOLE   34,550 0 1,140
Corporate Office Properties Trust Common 22002T108 30,557 1,198,313 SH   SOLE   229,759 0 968,554
Costco Wholesale Corp. Common 22160K105 1,431,461 12,946,197 SH   SOLE   12,373,423 0 572,774
Ctrip.com International, Ltd. ADR 22943F100 13,832 423,890 SH   SOLE   423,890 0 0
Cummins Inc. Common 231021106 7,596 70,036 SH   SOLE   62,689 0 7,347
CVS Caremark Corp. Common 126650100 2,224,108 38,896,601 SH   SOLE   37,321,064 0 1,575,537
DCT Industrial Trust Inc. Common 233153105 6,777 947,856 SH   SOLE   208,786 0 739,070
DDR Corporation Common 23317H102 7,551 453,523 SH   SOLE   201,519 0 252,004
Deere & Co Common 244199105 11,448 140,896 SH   SOLE   126,736 0 14,160
Devon Energy Corp. Common 25179M103 54,815 1,056,575 SH   SOLE   1,006,622 0 49,953
Diageo PLC ADR 25243Q205 218,365 1,899,649 SH   SOLE   1,701,431 0 198,218
Digital Realty Trust Inc. Common 253868103 104,542 1,713,805 SH   SOLE   316,547 0 1,397,258
Disney Walt Holdings Common 254687106 817,054 12,938,299 SH   SOLE   12,307,539 0 630,760
Dominion Resources, Inc. Common 25746U109 356 6,270 SH   SOLE   3,600 0 2,670
Du Pont E I de Nemours & Co. Common 263534109 2,528 48,155 SH   SOLE   44,150 0 4,005
DuPont Fabros Technology Inc. Common 26613Q106 28,540 1,181,763 SH   SOLE   240,525 0 941,238
Eastgroup Properties, Inc. Common 277276101 24,745 439,762 SH   SOLE   79,338 0 360,424
Ecolab Inc. Common 278865100 427,655 5,020,018 SH   SOLE   4,817,835 0 202,183
Education Realty Trust, Inc. Common 28140H104 41,481 4,054,858 SH   SOLE   756,504 0 3,298,354
Eli Lilly and Co. Common 532457108 14,677 298,809 SH   SOLE   262,798 0 36,011
Emerson Electric Co. Common 291011104 179,230 3,286,218 SH   SOLE   3,159,327 0 126,891
EOG Resources, Inc. Common 26875P101 550,609 4,181,418 SH   SOLE   4,009,061 0 172,357
Essex Property Trust, Inc. Common 297178105 61,405 386,391 SH   SOLE   79,135 0 307,256
Estee Lauder Companies, A Common 518439104 2,292 34,855 SH   SOLE   32,350 0 2,505
Everest Re Group, Ltd. Common G3223R108 240,317 1,873,671 SH   SOLE   1,748,896 0 124,775
Expeditors Int'l of Washington Inc. Common 302130109 12,680 333,331 SH   SOLE   309,663 0 23,668
Express Scripts Inc - Class A Common 30219G108 892,923 14,462,627 SH   SOLE   13,787,016 0 675,611
Exxon Mobil Corp. Common 30231G102 18,777 207,826 SH   SOLE   183,772 0 24,054
Fairchild Semiconductor Intl Common 303726103 7,206 522,157 SH   SOLE   522,157 0 0
Federal Realty Investment Trust Common 313747206 24,180 233,221 SH   SOLE   73,413 0 159,808
FedEx Corp. Common 31428X106 9,404 95,392 SH   SOLE   84,804 0 10,588
Forest City Ent FCE 4.25 Bond 345550AP2 7,794 6,963,000 PRN   SOLE   6,963,000 0 0
Forest City Ent FCE 5 Bond 345550AM9 1,658 1,120,000 PRN   SOLE   1,120,000 0 0
Forest City Enterprises Inc. - A Common 345550107 45,119 2,519,184 SH   SOLE   1,510,135 0 1,009,049
Freeport-McMoRan Copper & Gold Common 35671D857 5,615 203,374 SH   SOLE   203,374 0 0
General Electric Co. Common 369604103 10,234 441,320 SH   SOLE   441,320 0 0
General Growth Properties, Inc. Common 370023103 25,088 1,262,618 SH   SOLE   269,997 0 992,621
Goldman Sachs Group Inc. Common 38141G104 211,793 1,400,286 SH   SOLE   1,236,836 0 163,450
Google Inc. Class A Common 38259P508 2,358,288 2,678,747 SH   SOLE   2,567,823 0 110,924
Grupo Televisa SA ADR 40049J206 73,644 2,964,747 SH   SOLE   2,883,937 0 80,810
Harley-Davidson, Inc. Common 412822108 180,865 3,299,244 SH   SOLE   3,151,513 0 147,731
Hewlett Packard Co. Common 428236103 164,288 6,624,502 SH   SOLE   6,310,658 0 313,844
Home Depot Inc Common 437076102 1,743 22,500 SH   SOLE   21,750 0 750
Host Hotels & Resorts Inc. Common 44107P104 31,575 1,871,684 SH   SOLE   328,731 0 1,542,953
Hunter Douglas N.V. Foreign 5291810 78,978 1,979,134 SH   SOLE   1,922,514 0 56,620
ICICI Bank Limited ADR 45104G104 9,622 251,565 SH   SOLE   172,020 0 79,545
IDEXX Laboratories, Inc. Common 45168D104 16,126 179,794 SH   SOLE   164,457 0 15,337
Intel Corp. Common 458140100 124,237 5,127,398 SH   SOLE   4,899,949 0 227,449
Intel Corp 3.25 8/1/39 Bond 458140AF7 15,294 12,001,000 PRN   SOLE   12,001,000 0 0
International Business Machines Common 459200101 136,374 713,588 SH   SOLE   683,384 0 30,204
International Rectifier Corp. Common 460254105 7,779 371,510 SH   SOLE   371,510 0 0
Iron Mountain Inc. Common 462846106 259,685 9,758,926 SH   SOLE   9,313,529 0 445,397
iShares Lehman Aggregate Bond Fund ETF 464287226 831 7,750 SH   SOLE   5,600 0 2,150
Johnson & Johnson Common 478160104 17,884 208,287 SH   SOLE   182,434 0 25,853
JPMorgan Chase & Co. Common 46625H100 401,283 7,601,503 SH   SOLE   7,268,167 0 333,336
Kellogg Co Common 487836108 12,071 187,927 SH   SOLE   166,374 0 21,553
Kohls Corp. Common 500255104 15,951 315,800 SH   SOLE   315,800 0 0
Laboratory Corporation of America Hldg Common 50540R409 588,890 5,883,020 SH   SOLE   5,620,105 0 262,915
Las Vegas Sands Corp. Common 517834107 3,277 61,918 SH   SOLE   59,943 0 1,975
LaSalle Hotel Properties Common 517942108 34,785 1,408,304 SH   SOLE   365,103 0 1,043,201
Level 3 Communications, Inc. Common 52729N308 325 15,400 SH   SOLE   15,400 0 0
Liberty Global PLC - Class C Common G5480U120 395,619 5,827,348 SH   SOLE   5,595,930 0 231,418
Liberty Interactive Corp A Common 53071M104 243,349 10,575,772 SH   SOLE   10,235,062 0 340,710
Liberty Property Trust Common 531172104 27,570 745,935 SH   SOLE   152,244 0 593,691
Liberty Ventures Series A Common 53071M880 59,978 705,544 SH   SOLE   682,635 0 22,909
Lockheed Martin Corp. Common 539830109 682 6,290 SH   SOLE   5,320 0 970
Loews Corp. Common 540424108 930,589 20,959,204 SH   SOLE   19,794,811 0 1,164,393
Markel Corp. Common 570535104 165,654 314,363 SH   SOLE   285,170 0 29,193
Martin Marietta Materials, Inc. Common 573284106 88,347 897,651 SH   SOLE   863,451 0 34,200
Masco Corp. Common 574599106 10,635 545,670 SH   SOLE   545,670 0 0
Mastercard, Inc. Common 57636Q104 1,112 1,935 SH   SOLE   1,935 0 0
Medtronic, Inc. Common 585055106 18,165 352,932 SH   SOLE   311,858 0 41,074
Microsoft Corp. Common 594918104 404,592 11,712,043 SH   SOLE   11,148,004 0 564,039
Midway Gold Corp. Common 598153104 24 25,000 SH   SOLE   0 0 25,000
Molycorp 3.25% Bond 608753AA7 5,020 7,500,000 PRN   SOLE   7,500,000 0 0
Molycorp 6% Bond 608753AF6 4,277 5,750,000 PRN   SOLE   5,750,000 0 0
Molycorp, Inc. Common 608753109 1,439 232,150 SH   SOLE   232,150 0 0
Monsanto Co. Common 61166W101 623,376 6,309,475 SH   SOLE   6,028,095 0 281,380
Nabors Industries Ltd. Common G6359F103 11,323 739,600 SH   SOLE   739,600 0 0
NetEase.com Inc. ADR 64110W102 7,729 122,360 SH   SOLE   122,360 0 0
Netflix Inc. Common 64110L106 108,896 515,876 SH   SOLE   495,052 0 20,824
News Corp., Class A Common 65248E104 10,904 334,680 SH   SOLE   334,680 0 0
Nielsen Holdings B.V. Common N63218106 12,306 366,349 SH   SOLE   341,114 0 25,235
Noble Energy, Inc. Common 655044105 4,840 80,620 SH   SOLE   78,850 0 1,770
Nordstrom, Inc. Common 655664100 1,798 30,000 SH   SOLE   30,000 0 0
Novartis Ag ADR 66987V109 2,341 33,100 SH   SOLE   32,400 0 700
Oaktree Cap Group LLC Common 674001201 76,521 1,456,149 SH   SOLE   1,456,149 0 0
Occidental Petroleum Corp. Common 674599105 644,844 7,226,766 SH   SOLE   6,869,754 0 357,012
Oracle Corporation Common 68389X105 398,514 12,976,689 SH   SOLE   12,431,390 0 545,299
PACCAR Inc Common 693718108 511,163 9,525,962 SH   SOLE   9,092,391 0 433,571
Philip Morris International Inc. Common 718172109 332,058 3,833,504 SH   SOLE   3,663,299 0 170,205
Phillips 66 Common 718546104 1,051 17,845 SH   SOLE   17,275 0 570
Post Properties, Inc. Common 737464107 47,340 956,553 SH   SOLE   209,381 0 747,172
Potash Corp Saskatchewan, Inc. Foreign 73755L107 238,820 6,263,301 SH   SOLE   5,995,186 0 268,115
Praxair, Inc. Common 74005P104 261,793 2,273,297 SH   SOLE   2,185,777 0 87,520
Procter & Gamble Co. Common 742718109 15,252 198,107 SH   SOLE   175,342 0 22,765
Progressive Corp. Common 743315103 912,402 35,893,072 SH   SOLE   33,955,200 0 1,937,872
Public Storage, Inc Common 74460D109 16,391 106,900 SH   SOLE   47,360 0 59,540
Quanta Services, Inc. Common 74762E102 13,020 492,050 SH   SOLE   492,050 0 0
Rayonier, Inc Common 754907103 16,368 295,504 SH   SOLE   68,242 0 227,262
Regency Centers Corporation Common 758849103 7,430 146,237 SH   SOLE   0 0 146,237
Republic Services, Inc. Common 760759100 805 23,720 SH   SOLE   23,720 0 0
SAP AG ADR 803054204 9,012 123,742 SH   SOLE   111,201 0 12,541
SBA Communications Corp Common 78388J106 12,278 165,656 SH   SOLE   73,397 0 92,259
Schlumberger Ltd. Common 806857108 262,047 3,656,812 SH   SOLE   3,508,828 0 147,984
Sigma-Aldrich Corp. Common 826552101 22,091 274,691 SH   SOLE   239,735 0 34,956
Simon Property Group Inc. Common 828806109 99,310 628,864 SH   SOLE   156,355 0 472,509
Sina Corp. ADR G81477104 15,378 275,943 SH   SOLE   257,270 0 18,673
Sinovac Biotech Ltd. Foreign P8696W104 10,325 2,627,231 SH   SOLE   2,627,231 0 0
SL Green Realty Corp. Common 78440X101 10,607 120,278 SH   SOLE   53,418 0 66,860
Soufun Holdings Ltd. ADR 836034108 4,645 187,150 SH   SOLE   187,150 0 0
Spectra Energy Corp. Common 847560109 405 11,750 SH   SOLE   11,750 0 0
Sunstone Hotel Investors, Inc. Common 867892101 4,060 336,131 SH   SOLE   148,780 0 187,351
Sysco Corp Common 871829107 63,732 1,865,701 SH   SOLE   1,767,631 0 98,070
Taubman Centers, Inc. Common 876664103 20,409 271,578 SH   SOLE   71,084 0 200,494
Tenaris S.A. - ADR ADR 88031M109 4,297 106,700 SH   SOLE   106,700 0 0
Texas Instruments, Inc. Common 882508104 527,991 15,150,387 SH   SOLE   14,483,789 0 666,598
The First Marblehead Corp. Common 320771108 2,254 1,910,194 SH   SOLE   1,910,194 0 0
The Sherwin Williams Co. Common 824348106 805 4,560 SH   SOLE   4,560 0 0
Tiffany & Co. Common 886547108 83,806 1,150,544 SH   SOLE   1,091,492 0 59,052
Toronto Dominion Bank Foreign 891160509 7,284 90,635 SH   SOLE   12,525 0 78,110
Transocean Ltd. Common H8817H100 196,464 4,097,278 SH   SOLE   3,919,568 0 177,710
Tyson Foods Inc 3.25% 10/15/13 Bond 902494AP8 13,209 8,665,000 PRN   SOLE   8,665,000 0 0
Unilever NV ADR 904784709 1,468 37,332 SH   SOLE   32,845 0 4,487
United Rental 4% CV Bond 911363AL3 13,083 2,922,000 PRN   SOLE   2,922,000 0 0
UnitedHealth Group, Inc. Common 91324P102 965,868 14,750,586 SH   SOLE   14,095,909 0 654,677
Universal Health Services, Inc. Common 913903100 13,308 198,740 SH   SOLE   198,740 0 0
US Bancorp Common 902973304 17,867 494,247 SH   SOLE   395,548 0 98,699
US Steel Corp. Common 912909108 2,059 117,430 SH   SOLE   117,430 0 0
US Steel Corp. CV 2.75% 4/1/19 Bond 912909AH1 13,816 14,000,000 PRN   SOLE   14,000,000 0 0
Valeant Pharmaceutical Int'l Common 91911K102 11,412 132,579 SH   SOLE   132,579 0 0
Ventas, Inc. Common 92276F100 26,623 383,287 SH   SOLE   86,641 0 296,646
Vipshop Holdings Ltd. ADR 92763W103 28,503 977,476 SH   SOLE   901,342 0 76,134
Visa Inc. Common 92826C839 419,180 2,293,737 SH   SOLE   2,130,169 0 163,568
Vornado Realty Trust Common 929042109 81,798 987,304 SH   SOLE   214,921 0 772,383
W. R. Berkley Corp. Common 084423102 208 5,080 SH   SOLE   5,080 0 0
Wal-Mart Stores, Inc. Common 931142103 16,056 215,550 SH   SOLE   191,023 0 24,527
Washington Post Co., B Common 939640108 1,260 2,604 SH   SOLE   2,515 0 89
Waste Connections Inc. Common 941053100 12,958 314,970 SH   SOLE   314,970 0 0
WellPoint Inc. Common 94973V107 645 7,880 SH   SOLE   7,880 0 0
Wells Fargo & Co. Common 949746101 2,492,748 60,400,962 SH   SOLE   57,270,363 0 3,130,599
Wells Fargo & Co. Warrants Warrant 949746119 5,932 433,960 SH   SOLE   433,960 0 0
Wesco Aircraft Holdings Inc. Common 950814103 26,690 1,437,261 SH   SOLE   1,366,443 0 70,818
Whole Foods Market Inc. Common 966837106 9,199 178,700 SH   SOLE   178,700 0 0
Wynn Resorts, Ltd. Common 983134107 314 2,450 SH   SOLE   2,450 0 0
Youku.com Inc. ADR 98742U100 17,614 917,861 SH   SOLE   846,906 0 70,955