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
Alexandria Real Estate Equitie COM 015271109 404,709 3,207,649 SH   SOLE   1,834,198 0 1,373,451
American Campus Communities COM 024835100 114,290 2,665,349 SH   SOLE   1,622,464 0 1,042,885
American Electric Power Co. In COM 025537101 5,047 72,886 SH   SOLE   29,186 0 43,700
American Tower Corp. COM 03027X100 3,039 21,078 SH   SOLE   8,478 0 12,600
Andeavor Logistics LP COM 03350F106 1,375 32,326 SH   SOLE   32,326 0 0
Antero Midstream GP LP COM 03675Y103 4,079 216,269 SH   SOLE   170,869 0 45,400
Antero Midstream Partners LP COM 03673L103 2,713 91,908 SH   SOLE   91,908 0 0
Atmos Energy Corp. COM 049560105 3,024 33,553 SH   SOLE   13,453 0 20,100
AvalonBay Communities Inc. COM 053484101 94,507 549,812 SH   SOLE   266,348 0 283,464
Boardwalk Pipeline Partners L. COM 096627104 1,639 141,065 SH   SOLE   141,065 0 0
Boston Properties Inc. COM 101121101 4,602 36,691 SH   SOLE   0 0 36,691
Brandywine Realty Trust SBI COM 105368203 5,758 341,120 SH   SOLE   333,759 0 7,361
Brixmor Property Group COM 11120U105 205,797 11,807,082 SH   SOLE   6,331,849 0 5,475,233
Caesars Entertainment Corp COM 127686103 133 12,476 SH   SOLE   12,476 0 0
Cheniere Energy Inc. COM 16411R208 4,980 76,395 SH   SOLE   47,158 0 29,237
Cheniere Energy Partners, L.P. COM 16411Q101 2,175 60,500 SH   SOLE   60,500 0 0
CMS Energy Corporation COM 125896100 2,004 42,386 SH   SOLE   20,002 0 22,384
Columbia Property Trust, Inc. COM 198287203 115,190 5,072,208 SH   SOLE   2,777,501 0 2,294,707
Cousins Properties Inc. COM 222795106 143,743 14,834,148 SH   SOLE   9,451,115 0 5,383,033
Crestwood Equity Partners LP COM 226344208 2,943 92,700 SH   SOLE   92,700 0 0
Crown Castle International Cor COM 22822V101 15,208 141,050 SH   SOLE   22,667 0 118,383
CubeSmart COM 229663109 273,055 8,474,692 SH   SOLE   4,826,977 0 3,647,715
CYRUSONE INC COM 23283R100 227,002 3,889,685 SH   SOLE   2,339,083 0 1,550,602
DCP Midstream LP COM 23311P100 2,428 61,400 SH   SOLE   61,400 0 0
Diamondrock Hospitality COM 252784301 77,341 6,298,144 SH   SOLE   3,340,428 0 2,957,716
Digital Realty Trust Inc. COM 253868103 6,468 57,964 SH   SOLE   0 0 57,964
Dominion Energy Inc. COM 25746U109 4,752 69,693 SH   SOLE   31,093 0 38,600
Douglas Emmett Inc. COM 25960P109 265,821 6,615,753 SH   SOLE   4,006,530 0 2,609,223
DTE Energy Co. COM 233331107 886 8,546 SH   SOLE   3,346 0 5,200
Duke Realty Corporation COM 264411505 117,695 4,054,267 SH   SOLE   2,242,407 0 1,811,860
Education Realty Trust Inc. COM 28140H203 18,276 440,380 SH   SOLE   440,380 0 0
Enable Midstream Partners LP COM 292480100 2,175 127,100 SH   SOLE   127,100 0 0
Energy Transfer Partners LP COM 29278N103 5,876 308,627 SH   SOLE   308,627 0 0
Enterprise Products Partners L COM 293792107 6,063 219,121 SH   SOLE   219,121 0 0
EQT Midstream Partners, L.P. COM 26885B100 2,471 47,900 SH   SOLE   47,900 0 0
Equinix Inc COM 29444U700 410,180 954,151 SH   SOLE   551,828 0 402,323
Equity Residential COM 29476L107 286,112 4,492,256 SH   SOLE   2,712,830 0 1,779,426
Essex Property Trust Inc. COM 297178105 329,300 1,377,419 SH   SOLE   870,826 0 506,593
Evergy Inc. COM 30034W106 2,423 43,160 SH   SOLE   18,276 0 24,884
Exelon Corp. COM 30161N101 2,087 48,997 SH   SOLE   20,897 0 28,100
Extra Space Storage Inc. COM 30225T102 457,676 4,585,475 SH   SOLE   2,764,723 0 1,820,752
Federal Realty Investment Trus COM 313747206 6,998 55,300 SH   SOLE   0 0 55,300
FirstEnergy Corp. COM 337932107 1,812 50,470 SH   SOLE   22,770 0 27,700
Forest City Realty Trust - A COM 345605109 5,415 237,390 SH   SOLE   73,310 0 164,080
Gaming and Leisure Properties COM 36467J108 47,106 1,315,811 SH   SOLE   748,869 0 566,942
HealthCare Realty Trust COM 421946104 3,080 105,900 SH   SOLE   0 0 105,900
Healthcare Trust of America In COM 42225P501 167,204 6,201,933 SH   SOLE   3,178,326 0 3,023,607
Hess Midstream Partners LP COM 428104103 1,461 74,187 SH   SOLE   74,187 0 0
Hilton Worldwide Holdings Inc. COM 43300A203 284,298 3,591,432 SH   SOLE   2,501,539 0 1,089,893
Host Hotels & Resorts Inc. COM 44107P104 58,789 2,790,153 SH   SOLE   902,492 0 1,887,661
Hudson Pacific Properties COM 444097109 161,851 4,568,180 SH   SOLE   2,568,915 0 1,999,265
Invitation Homes Inc COM 46187W107 285,452 12,378,674 SH   SOLE   7,488,169 0 4,890,505
Iron Mountain Incorporated COM 46284V101 40,445 1,155,255 SH   SOLE   676,941 0 478,314
JBG SMITH Properties COM 46590V100 12,790 350,701 SH   SOLE   130,553 0 220,148
Kilroy Realty Corp. COM 49427F108 46,832 619,142 SH   SOLE   326,410 0 292,732
Liberty Property Trust COM 531172104 4,290 96,783 SH   SOLE   4,800 0 91,983
Macerich Co. COM 554382101 221,237 3,892,956 SH   SOLE   2,326,980 0 1,565,976
Magellan Midstream Partners L. COM 559080106 5,965 86,354 SH   SOLE   86,354 0 0
Marriott International Inc. COM 571903202 22,596 178,483 SH   SOLE   178,483 0 0
MGM Growth Properties LLC COM 55303A105 77,849 2,555,782 SH   SOLE   1,555,236 0 1,000,546
Mid-America Apt. Comm. COM 59522J103 168,144 1,670,247 SH   SOLE   811,478 0 858,769
MPLX LP COM 55336V100 2,996 87,754 SH   SOLE   87,754 0 0
Nextera Energy Inc COM 65339F101 3,646 21,827 SH   SOLE   8,757 0 13,070
NextEra Energy Partners LP COM 65341B106 728 15,606 SH   SOLE   6,706 0 8,900
Noble Midstream Partners LP COM 65506L105 2,246 43,990 SH   SOLE   43,990 0 0
Park Hotels & Resorts Inc COM 700517105 28,923 944,279 SH   SOLE   317,296 0 626,983
Pattern Energy Group Inc. -A COM 70338P100 1,905 101,601 SH   SOLE   45,001 0 56,600
PG&E Corp. COM 69331C108 1,588 37,309 SH   SOLE   14,965 0 22,344
Phillips 66 Partners LP COM 718549207 919 17,995 SH   SOLE   17,995 0 0
Physicians Realty Trust COM 71943U104 2,882 180,793 SH   SOLE   0 0 180,793
Piedmont Office Realty Trust I COM 720190206 98,513 4,942,931 SH   SOLE   2,937,753 0 2,005,178
Plains All American Pipeline, COM 726503105 3,404 144,000 SH   SOLE   144,000 0 0
ProLogis Inc. COM 74340W103 520,228 7,919,441 SH   SOLE   4,509,206 0 3,410,235
Public Storage COM 74460D109 2,847 12,551 SH   SOLE   0 0 12,551
QTS Realty Trust Inc COM 74736A103 1,213 30,700 SH   SOLE   0 0 30,700
Regency Centers Corporation COM 758849103 285,548 4,599,671 SH   SOLE   2,719,872 0 1,879,799
Ryman Hospitality Properties COM 78377T107 38,209 459,518 SH   SOLE   236,189 0 223,329
SABRA HEALTH CARE REIT INC COM 78573L106 976 44,900 SH   SOLE   0 0 44,900
Sempra Energy COM 816851109 2,303 19,834 SH   SOLE   8,534 0 11,300
Shell Midstream Partners LP COM 822634101 2,777 125,200 SH   SOLE   125,200 0 0
Simon Property Group Inc. COM 828806109 578,466 3,398,945 SH   SOLE   1,930,748 0 1,468,197
SL Green Realty Corp. COM 78440X101 20,457 203,496 SH   SOLE   160,379 0 43,117
Southwest Gas Holdings Inc. COM 844895102 1,464 19,190 SH   SOLE   7,690 0 11,500
Spectra Energy Partners L.P. COM 84756N109 917 25,900 SH   SOLE   25,900 0 0
Spirit Realty Capital Inc. COM 84860W102 5,529 688,500 SH   SOLE   0 0 688,500
STORE Capital Corp COM 862121100 117,092 4,273,426 SH   SOLE   2,032,648 0 2,240,778
Summit Midstream Partners LP COM 866142102 1,517 98,500 SH   SOLE   98,500 0 0
Sun Communities Inc. COM 866674104 139,193 1,422,083 SH   SOLE   806,974 0 615,109
Tallgrass Energy Partners LP COM 874697105 1,304 30,116 SH   SOLE   30,116 0 0
Targa Resources Corp. COM 87612G101 924 18,663 SH   SOLE   18,663 0 0
Taubman Centers Inc. COM 876664103 194,244 3,305,710 SH   SOLE   1,952,481 0 1,353,229
The Geo Group Inc. COM 36162J106 12,478 453,101 SH   SOLE   137,644 0 315,457
TIER REIT Inc COM 88650V208 36,743 1,545,102 SH   SOLE   638,473 0 906,629
Union Pacific Corp COM 907818108 2,955 20,860 SH   SOLE   8,360 0 12,500
Valero Energy Partners LP COM 91914J102 1,027 26,966 SH   SOLE   26,966 0 0
Ventas Inc. COM 92276F100 16,883 296,448 SH   SOLE   89,935 0 206,513
VEREIT Inc COM 92339V100 10,119 1,360,092 SH   SOLE   0 0 1,360,092
Vici Properties Inc. COM 925652109 200,674 9,722,591 SH   SOLE   5,854,967 0 3,867,624
Vornado Realty Trust COM 929042109 43,937 594,380 SH   SOLE   229,896 0 364,484
Western Gas Equity Partners LP COM 95825R103 1,456 40,737 SH   SOLE   40,737 0 0
Western Gas Partners LP COM 958254104 2,766 57,153 SH   SOLE   57,153 0 0
Williams Cos. COM 969457100 5,481 202,191 SH   SOLE   111,391 0 90,800
Williams Partners LP COM 96949L105 6,198 152,698 SH   SOLE   152,698 0 0