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MEDNAX INC
MEDNAX INC. Institutional holdings reported to the SEC.

Institutional Holders (2016Q1)
Portfolio Summary: 388 Institutional holders with a total value of $6,031,806,903.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 PRICE T ROWE ASSOCIATES INC /MD/ 7,479,220 483,307,000 8.01%
2 VANGUARD GROUP INC 6,835,021 441,679,000 7.32%
3 FMR LLC 5,156,091 333,187,000 5.52%
4 WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 4,778,089 308,760,000 5.12%
5 1832 Asset Management L.P. 2,807,200 308,383,000 5.11%
6 BlackRock Fund Advisors 3,455,217 223,276,000 3.70%
7 STATE STREET CORP 3,169,899 204,837,000 3.40%
8 BlackRock Institutional Trust Company, N.A. 2,799,878 180,928,000 3.00%
9 Bank of New York Mellon Corp 2,640,176 170,608,000 2.83%
10 WELLINGTON MANAGEMENT GROUP LLP 1,805,569 116,676,000 1.93%
11 EARNEST PARTNERS LLC 1,749,558 113,056,000 1.87%
12 Clearbridge Investments, LLC 1,347,283 87,061,000 1.44%
13 Ninety One UK Ltd 1,220,464 78,866,000 1.31%
14 NORTHERN TRUST CORP 1,185,295 76,595,000 1.27%
15 GOLDMAN SACHS GROUP INC 1,116,956 72,178,000 1.20%
16 COLUMBIA WANGER ASSET MANAGEMENT LLC 1,041,677 67,313,000 1.12%
17 Sterling Capital Management LLC 1,036,651 66,988,000 1.11%
18 RIVERBRIDGE PARTNERS LLC 993,284 64,186,000 1.06%
19 WASATCH ADVISORS LP 932,451 60,926,000 1.01%
20 AEGON ASSET MANAGEMENT UK PLC 939,638 60,700,615 1.01%
21 Mawer Investment Management Ltd. 897,983 58,028,000 0.96%
22 TimesSquare Capital Management, LLC 862,050 55,706,000 0.92%
23 JANUS HENDERSON INVESTORS US LLC 848,341 54,822,000 0.91%
24 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 845,913 54,662,000 0.91%
25 CS MCKEE LP 844,780 54,590,000 0.91%
26 NORGES BANK 831,192 53,712,000 0.89%
27 Robeco Institutional Asset Management B.V. 820,844 53,042,000 0.88%
28 Echo Street Capital Management LLC 811,594 52,445,000 0.87%
29 FRONTIER CAPITAL MANAGEMENT CO LLC 810,174 52,353,000 0.87%
30 FENIMORE ASSET MANAGEMENT INC 795,585 51,411,000 0.85%
31 EAGLE ASSET MANAGEMENT INC 774,941 50,076,000 0.83%
32 SCHRODER INVESTMENT MANAGEMENT GROUP 750,700 49,051,000 0.81%
33 HERMES INVESTMENT MANAGEMENT LTD 711,768 45,938,000 0.76%
34 NORDEA INVESTMENT MANAGEMENT AB 675,703 43,664,000 0.72%
35 WELLS FARGO & COMPANY/MN 635,198 41,046,000 0.68%
36 THOMPSON SIEGEL & WALMSLEY LLC 632,314 40,861,000 0.68%
37 JANUS HENDERSON GROUP PLC 625,136 40,387,000 0.67%
38 Allianz Asset Management GmbH 589,774 38,111,000 0.63%
39 NEW YORK STATE COMMON RETIREMENT FUND 583,994 37,738,000 0.63%
40 PALISADE CAPITAL MANAGEMENT, LP 573,489 37,059,000 0.61%
41 GEODE CAPITAL MANAGEMENT, LLC 572,404 36,966,000 0.61%
42 COOKE & BIELER LP 541,325 34,980,000 0.58%
43 PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO 509,882 32,949,000 0.55%
44 DIMENSIONAL FUND ADVISORS LP 508,845 32,886,000 0.55%
45 BB&T SECURITIES, LLC 499,973 32,308,000 0.54%
46 DEUTSCHE BANK AG\ 468,667 30,282,000 0.50%
47 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 443,200 28,640,000 0.47%
48 RENAISSANCE TECHNOLOGIES LLC 441,600 28,536,000 0.47%
49 MANUFACTURERS LIFE INSURANCE COMPANY, THE 412,034 26,922,000 0.45%
50 BLAIR WILLIAM & CO/IL 398,896 25,776,000 0.43%
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From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.