COMMONWEALTH OF PA-PSERS 13F REPORT 31-Mar-21 TITLE Voting OF VALUE Invst Other Authority NAME OF ISSUER CLASS CUSIP (in 000's) SHARES Discr Mngrs SOLE AAON INC COM PAR $0.004 000360206 2,202 31,452 SH SOLE 0 31,452 AAR CORP COM 000361105 1,066 25,584 SH SOLE 0 25,584 ABM INDS INC COM 000957100 2,639 51,731 SH SOLE 0 51,731 AFLAC INC COM 001055102 4,099 80,091 SH SOLE 0 80,091 AGCO CORP COM 001084102 2,956 20,577 SH SOLE 0 20,577 AES CORP COM 00130H105 2,240 83,559 SH SOLE 0 83,559 AMC NETWORKS INC CL A 00164V103 1,229 23,117 SH SOLE 0 23,117 AMN HEALTHCARE SVCS INC COM 001744101 2,682 36,385 SH SOLE 0 36,385 ANI PHARMACEUTICALS INC COM 00182C103 268 7,428 SH SOLE 0 7,428 ASGN INC COM 00191U102 1,687 17,681 SH SOLE 0 17,681 AT&T INC COM 00206R102 26,999 891,951 SH SOLE 0 891,951 ATN INTL INC COM 00215F107 416 8,460 SH SOLE 0 8,460 AZZ INC COM 002474104 985 19,561 SH SOLE 0 19,561 ABBOTT LABS COM 002824100 26,552 221,561 SH SOLE 0 221,561 ABBVIE INC COM 00287Y109 23,901 220,854 SH SOLE 0 220,854 ABERCROMBIE & FITCH CO CL A 002896207 1,651 48,122 SH SOLE 0 48,122 ABIOMED INC COM 003654100 1,803 5,657 SH SOLE 0 5,657 ACADIA HEALTHCARE COMPANY IN COM 00404A109 1,697 29,704 SH SOLE 0 29,704 ACADIA RLTY TR COM SH BEN INT 004239109 1,262 66,542 SH SOLE 0 66,542 ACI WORLDWIDE INC COM 004498101 1,487 39,080 SH SOLE 0 39,080 ACTIVISION BLIZZARD INC COM 00507V109 9,011 96,897 SH SOLE 0 96,897 ACUITY BRANDS INC COM 00508Y102 2,333 14,139 SH SOLE 0 14,139 ADDUS HOMECARE CORP COM 006739106 1,213 11,595 SH SOLE 0 11,595 ADOBE SYSTEMS INCORPORATED COM 00724F101 28,497 59,948 SH SOLE 0 59,948 ADTALEM GLOBAL ED INC COM 00737L103 662 16,732 SH SOLE 0 16,732 ADTRAN INC COM 00738A106 622 37,278 SH SOLE 0 37,278 ADVANCE AUTO PARTS INC COM 00751Y106 1,504 8,195 SH SOLE 0 8,195 AECOM COM 00766T100 3,505 54,677 SH SOLE 0 54,677 AEGION CORP COM 00770F104 679 23,603 SH SOLE 0 23,603 ADVANSIX INC COM 00773T101 580 21,620 SH SOLE 0 21,620 ADVANCED MERGER PARTNERS INC UNIT 99/99/9999 00777J208 500 50,000 SH SOLE 0 50,000 AEROJET ROCKETDYNE HLDGS INC COM 007800105 5,429 115,606 SH SOLE 0 115,606 ADVANCED MICRO DEVICES INC COM 007903107 7,187 91,557 SH SOLE 0 91,557 ADVANCED ENERGY INDS COM 007973100 3,225 29,537 SH SOLE 0 29,537 AEROVIRONMENT INC COM 008073108 2,010 17,319 SH SOLE 0 17,319 AFFILIATED MANAGERS GROUP IN COM 008252108 2,119 14,219 SH SOLE 0 14,219 AGILENT TECHNOLOGIES INC COM 00846U101 4,845 38,108 SH SOLE 0 38,108 AGILYSYS INC COM 00847J105 752 15,677 SH SOLE 0 15,677 AGREE REALTY CORP COM 008492100 3,295 48,949 SH SOLE 0 48,949 AGORA INC ADS 00851L103 3,331 66,259 SH SOLE 0 66,259 AIR PRODS & CHEMS INC COM 009158106 7,786 27,675 SH SOLE 0 27,675 AKAMAI TECHNOLOGIES INC COM 00971T101 2,080 20,414 SH SOLE 0 20,414 ALAMO GROUP INC COM 011311107 1,189 7,615 SH SOLE 0 7,615 ALARM COM HLDGS INC COM 011642105 3,006 34,800 SH SOLE 0 34,800 ALASKA AIR GROUP INC COM 011659109 1,075 15,537 SH SOLE 0 15,537 ALBANY INTL CORP CL A 012348108 1,976 23,676 SH SOLE 0 23,676 ALBEMARLE CORP COM 012653101 2,131 14,587 SH SOLE 0 14,587 ALEXANDER & BALDWIN INC NEW COM 014491104 937 55,835 SH SOLE 0 55,835 ALEXANDRIA REAL ESTATE EQ IN COM 015271109 2,612 15,899 SH SOLE 0 15,899 ALEXION PHARMACEUTICALS INC COM 015351109 4,204 27,496 SH SOLE 0 27,496 ALIBABA GROUP HLDG LTD SPONSORED ADS 01609W102 12,218 53,888 SH SOLE 0 53,888 ALIGN TECHNOLOGY INC COM 016255101 4,877 9,006 SH SOLE 0 9,006 ALLEGHANY CORP DEL COM 017175100 2,924 4,668 SH SOLE 0 4,668 ALLEGHENY TECHNOLOGIES INC COM 01741R102 2,060 97,810 SH SOLE 0 97,810 ALLEGIANCE BANCSHARES INC COM 01748H107 581 14,338 SH SOLE 0 14,338 ALLEGIANT TRAVEL CO COM 01748X102 2,472 10,128 SH SOLE 0 10,128 ALLETE INC COM NEW 018522300 2,452 36,495 SH SOLE 0 36,495 ALLIANCE DATA SYSTEMS CORP COM 018581108 1,858 16,579 SH SOLE 0 16,579 ALLIANT ENERGY CORP COM 018802108 6,697 123,650 SH SOLE 0 123,650 ALLSCRIPTS HEALTHCARE SOLUTN COM 01988P108 1,622 107,993 SH SOLE 0 107,993 ALLSTATE CORP COM 020002101 4,352 37,880 SH SOLE 0 37,880 ALPHABET INC CAP STK CL C 02079K107 74,576 36,051 SH SOLE 0 36,051 ALPHABET INC CAP STK CL A 02079K305 117,217 56,832 SH SOLE 0 56,832 ALTITUDE ACQUISITION CORP UNIT 11/30/2027 02156Y202 539 50,000 SH SOLE 0 50,000 ALTRIA GROUP INC COM 02209S103 11,893 232,462 SH SOLE 0 232,462 AMAZON COM INC COM 023135106 165,635 53,533 SH SOLE 0 53,533 AMBAC FINL GROUP INC COM NEW 023139884 592 35,360 SH SOLE 0 35,360 AMEDISYS INC COM 023436108 2,902 10,959 SH SOLE 0 10,959 AMEREN CORP COM 023608102 9,990 122,788 SH SOLE 0 122,788 AMERICAN AIRLS GROUP INC COM 02376R102 1,912 80,003 SH SOLE 0 80,003 AMERICAN ASSETS TR INC COM 024013104 1,256 38,709 SH SOLE 0 38,709 AMERICAN AXLE & MFG HLDGS IN COM 024061103 844 87,374 SH SOLE 0 87,374 AMERICAN CAMPUS CMNTYS INC COM 024835100 1,982 45,918 SH SOLE 0 45,918 AMERICAN ELEC PWR CO INC COM 025537101 20,836 246,000 SH SOLE 0 246,000 AMERICAN EAGLE OUTFITTERS IN COM 02553E106 1,459 49,896 SH SOLE 0 49,896 AMERICAN EQTY INVT LIFE HLD COM 025676206 2,089 66,239 SH SOLE 0 66,239 AMERICAN EXPRESS CO COM 025816109 11,543 81,610 SH SOLE 0 81,610 AMERICAN FINL GROUP INC OHIO COM 025932104 2,664 23,347 SH SOLE 0 23,347 AMERICAN INTL GROUP INC COM NEW 026874784 4,998 108,157 SH SOLE 0 108,157 AMERICAN PUBLIC EDUCATION IN COM 02913V103 511 14,349 SH SOLE 0 14,349 AMER STATES WTR CO COM 029899101 3,177 42,016 SH SOLE 0 42,016 AMERICAN TOWER CORP NEW COM 03027X100 46,291 193,636 SH SOLE 0 193,636 AMERICAN VANGUARD CORP COM 030371108 420 20,555 SH SOLE 0 20,555 AMERICAN WTR WKS CO INC NEW COM 030420103 13,455 89,745 SH SOLE 0 89,745 AMERICAN WOODMARK CORPORATIO COM 030506109 1,310 13,290 SH SOLE 0 13,290 AMERICAS CAR-MART INC COM 03062T105 723 4,743 SH SOLE 0 4,743 AMERISAFE INC COM 03071H100 954 14,908 SH SOLE 0 14,908 AMERISOURCEBERGEN CORP COM 03073E105 2,176 18,433 SH SOLE 0 18,433 AMERIPRISE FINL INC COM 03076C106 3,394 14,602 SH SOLE 0 14,602 AMERIS BANCORP COM 03076K108 2,819 53,690 SH SOLE 0 53,690 AMETEK INC COM 031100100 3,683 28,836 SH SOLE 0 28,836 AMGEN INC COM 031162100 17,973 72,235 SH SOLE 0 72,235 AMKOR TECHNOLOGY INC COM 031652100 847 35,720 SH SOLE 0 35,720 AMPHENOL CORP NEW CL A 032095101 4,943 74,935 SH SOLE 0 74,935 AMPHASTAR PHARMACEUTICALS IN COM 03209R103 517 28,209 SH SOLE 0 28,209 AMPLITUDE HLTHCRE AQUSTIN CO COM CL A 03212A105 496 50,000 SH SOLE 0 50,000 ANALOG DEVICES INC COM 032654105 5,604 36,137 SH SOLE 0 36,137 ANDERSONS INC COM 034164103 652 23,809 SH SOLE 0 23,809 ANGIODYNAMICS INC COM 03475V101 685 29,278 SH SOLE 0 29,278 ANIKA THERAPEUTICS INC COM 035255108 451 11,051 SH SOLE 0 11,051 ANSYS INC COM 03662Q105 3,684 10,850 SH SOLE 0 10,850 ANTHEM INC COM 036752103 10,995 30,630 SH SOLE 0 30,630 ANTERO MIDSTREAM CORP COM 03676B102 862 95,460 SH SOLE 0 95,460 APA CORPORATION COM 03743Q108 1,052 58,758 SH SOLE 0 58,758 APARTMENT INCOME REIT CORP COM 03750L109 2,124 49,663 SH SOLE 0 49,663 APOGEE ENTERPRISES INC COM 037598109 820 20,057 SH SOLE 0 20,057 APOLLO COML REAL EST FIN INC COM 03762U105 1,386 99,223 SH SOLE 0 99,223 APPLE INC COM 037833100 241,083 1,973,666 SH SOLE 0 1,973,666 APPLIED INDL TECHNOLOGIES IN COM 03820C105 2,725 29,892 SH SOLE 0 29,892 APPLIED MATLS INC COM 038222105 15,333 114,770 SH SOLE 0 114,770 APPLIED OPTOELECTRONICS INC COM 03823U102 158 18,944 SH SOLE 0 18,944 APTARGROUP INC COM 038336103 3,080 21,739 SH SOLE 0 21,739 ARCBEST CORP COM 03937C105 1,378 19,587 SH SOLE 0 19,587 ARCELORMITTAL SA LUXEMBOURG NY REGISTRY SH 03938L203 1,096 37,570 SH SOLE 0 37,570 ARCHER DANIELS MIDLAND CO COM 039483102 4,476 78,529 SH SOLE 0 78,529 ARCHROCK INC COM 03957W106 939 98,977 SH SOLE 0 98,977 ARCOSA INC COM 039653100 2,418 37,154 SH SOLE 0 37,154 ARCONIC CORPORATION COM 03966V107 2,131 83,946 SH SOLE 0 83,946 ARISTA NETWORKS INC COM 040413106 2,075 6,874 SH SOLE 0 6,874 ARLO TECHNOLOGIES INC COM 04206A101 390 62,085 SH SOLE 0 62,085 ARMADA HOFFLER PPTYS INC COM 04208T108 573 45,729 SH SOLE 0 45,729 ARMOUR RESIDENTIAL REIT INC COM NEW 042315507 614 50,352 SH SOLE 0 50,352 ARROW ELECTRS INC COM 042735100 2,758 24,888 SH SOLE 0 24,888 ARROWHEAD PHARMACEUTICALS IN COM 04280A100 2,296 34,626 SH SOLE 0 34,626 ASBURY AUTOMOTIVE GROUP INC COM 043436104 2,929 14,907 SH SOLE 0 14,907 ASHLAND GLOBAL HLDGS INC COM 044186104 1,617 18,215 SH SOLE 0 18,215 ASPEN TECHNOLOGY INC COM 045327103 565 3,912 SH SOLE 0 3,912 ASSOCIATED BANC CORP COM 045487105 1,088 50,986 SH SOLE 0 50,986 ASSURANT INC COM 04621X108 1,027 7,242 SH SOLE 0 7,242 ASTEC INDS INC COM 046224101 1,315 17,439 SH SOLE 0 17,439 ATLANTIC AVE ACQUISITION COR COM CL A 04906P101 485 50,000 SH SOLE 0 50,000 ATLAS AIR WORLDWIDE HLDGS IN COM NEW 049164205 1,275 21,099 SH SOLE 0 21,099 ATLAS CREST INVESTMENT CORP UNIT 99/99/9999 049287204 500 50,000 SH SOLE 0 50,000 ATMOS ENERGY CORP COM 049560105 6,227 62,998 SH SOLE 0 62,998 AUTODESK INC COM 052769106 7,622 27,501 SH SOLE 0 27,501 AUTOMATIC DATA PROCESSING IN COM 053015103 10,087 53,521 SH SOLE 0 53,521 AUTONATION INC COM 05329W102 1,713 18,381 SH SOLE 0 18,381 AUTOZONE INC COM 053332102 3,896 2,774 SH SOLE 0 2,774 AVALONBAY CMNTYS INC COM 053484101 3,220 17,450 SH SOLE 0 17,450 AVANOS MED INC COM 05350V106 700 16,002 SH SOLE 0 16,002 AVANGRID INC COM 05351W103 1,569 31,503 SH SOLE 0 31,503 AVERY DENNISON CORP COM 053611109 1,907 10,383 SH SOLE 0 10,383 AVIENT CORPORATION COM 05368V106 1,440 30,456 SH SOLE 0 30,456 AVIS BUDGET GROUP COM 053774105 1,251 17,242 SH SOLE 0 17,242 AVISTA CORP COM 05379B107 3,758 78,699 SH SOLE 0 78,699 AVNET INC COM 053807103 1,377 33,179 SH SOLE 0 33,179 AXCELIS TECHNOLOGIES INC COM NEW 054540208 1,069 26,014 SH