MEDNAX INC

Ticker: MD CUSIP: 58502B106 Class: EQTY

Note: Option positions (PUT/CALL) are excluded.

InstitutionSharesValue ($000)
BlackRock, Inc.13,562,270$290,097
VANGUARD GROUP INC10,724,265$229,392
VICTORY CAPITAL MANAGEMENT INC3,818,280$81,673
AMERICAN CENTURY COMPANIES INC3,698,135$79,103
DIMENSIONAL FUND ADVISORS LP3,569,219$76,349
STATE STREET CORP3,312,146$70,847
FMR LLC2,428,783$51,952
GEODE CAPITAL MANAGEMENT, LLC2,181,712$46,674
D. E. Shaw & Co., Inc.1,852,219$39,619
CHARLES SCHWAB INVESTMENT MANAGEMENT INC1,552,585$33,210
RENAISSANCE TECHNOLOGIES LLC1,357,700$29,041
MORGAN STANLEY1,304,070$27,894
FULLER & THALER ASSET MANAGEMENT, INC.1,229,505$26,299
Nuveen, LLC1,200,210$25,672
Invesco Ltd.1,090,655$23,329
SILVERCREST ASSET MANAGEMENT GROUP LLC1,032,351$22,082
NORTHERN TRUST CORP872,348$18,660
ALLIANCEBERNSTEIN L.P.815,755$17,449
Boston Partners797,702$17,197
GOLDMAN SACHS GROUP INC787,269$16,840
BRIDGEWAY CAPITAL MANAGEMENT, LLC740,280$15,835
Qube Research & Technologies Ltd727,348$15,558
JPMORGAN CHASE & CO710,717$15,202
AMERIPRISE FINANCIAL INC670,749$14,347
Dana Investment Advisors, Inc.648,721$13,876
Allspring Global Investments Holdings, LLC639,400$13,613
Empowered Funds, LLC622,380$13,313
Rockefeller Capital Management L.P.594,351$12,713
Bank of New York Mellon Corp587,065$12,557
UBS Group AG585,750$12,529
ArrowMark Colorado Holdings LLC566,310$12,113
OBERWEIS ASSET MANAGEMENT INC/559,987$11,978
AQR CAPITAL MANAGEMENT LLC551,823$11,803
BANK OF AMERICA CORP /DE/529,609$11,328
PANAGORA ASSET MANAGEMENT INC520,116$11,125
Pacer Advisors, Inc.494,381$10,575
PRINCIPAL FINANCIAL GROUP INC474,453$10,149
LSV ASSET MANAGEMENT462,200$10
Hillsdale Investment Management Inc.450,410$9,634
BRANDES INVESTMENT PARTNERS, LP442,273$9,460
Aristotle Capital Boston, LLC440,063$9,413
CastleKnight Management LP396,066$8,472
Public Sector Pension Investment Board386,125$8,259
Brandywine Global Investment Management, LLC344,023$7,359
Phocas Financial Corp.335,551$7,177
CSM Advisors, LLC330,152$7
TEACHER RETIREMENT SYSTEM OF TEXAS306,715$6,561
ENVESTNET ASSET MANAGEMENT INC286,241$6,123
PRUDENTIAL FINANCIAL INC279,927$5,988
RAYMOND JAMES FINANCIAL INC274,912$5,880
Allianz Asset Management GmbH265,337$5,676
ROYCE & ASSOCIATES LP254,748$5,449
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt250,008$5,348
LORD, ABBETT & CO. LLC247,709$5
UBS ASSET MANAGEMENT AMERICAS INC239,956$5,133
NORDEA INVESTMENT MANAGEMENT AB239,853$5,183
Legal & General Group Plc215,427$4,608
O'SHAUGHNESSY ASSET MANAGEMENT, LLC198,268$4,241
SEI INVESTMENTS CO194,971$4,170
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP192,527$4,118
RHUMBLINE ADVISERS186,052$3,980
EAM Investors, LLC182,673$3,907
Russell Investments Group, Ltd.177,694$3,801
Trexquant Investment LP174,150$3,725
Swiss National Bank171,800$3,675
MARTINGALE ASSET MANAGEMENT L P169,598$3,628
CASTLEARK MANAGEMENT LLC159,090$3,403
BARCLAYS PLC158,543$3,391
Bridge City Capital, LLC149,948$3,207
BESSEMER GROUP INC147,176$3
FIRST TRUST ADVISORS LP146,107$3,125
BNP PARIBAS ARBITRAGE, SA143,944$3,079
SEGALL BRYANT & HAMILL, LLC142,947$3,058
LAZARD ASSET MANAGEMENT LLC138,358$2,959
NEW YORK STATE TEACHERS RETIREMENT SYSTEM134,757$3
CLARK ESTATES INC/NY129,000$2,759
Engineers Gate Manager LP125,121$2,676
WEDGE CAPITAL MANAGEMENT L L P/NC124,050$2,653
WELLS FARGO & COMPANY/MN120,163$2,570
RBF Capital, LLC120,000$2,567
BNP Paribas Investment Partners S.A.119,175$3
GREAT LAKES ADVISORS, LLC115,698$2,475
HSBC HOLDINGS PLC115,665$2,491
NEW YORK STATE COMMON RETIREMENT FUND115,239$2,465
Gotham Asset Management, LLC112,853$2,414
JANE STREET GROUP, LLC110,775$2,369
Connor, Clark & Lunn Investment Management Ltd.108,538$2,322
Jackson Creek Investment Advisors LLC105,885$2
RITHOLTZ WEALTH MANAGEMENT101,115$2,163
XTX Topco Ltd99,867$2,136
NOMURA HOLDINGS INC97,626$2,088
PRICE T ROWE ASSOCIATES INC /MD/86,572$2
ZACKS INVESTMENT MANAGEMENT83,779$1,792
ROYAL BANK OF CANADA83,024$1,775
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM82,624$1,767
Integrated Quantitative Investments LLC79,557$1,702
CITADEL ADVISORS LLC78,060$1,670
EXCHANGE TRADED CONCEPTS, LLC77,107$1,649
MILLENNIUM MANAGEMENT LLC76,066$1,627
FRANKLIN RESOURCES INC75,519$1,615
196 other institutions3,350,392$62,688
Total (296 institutions)82,720,388$1,725,653