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MEDIDATA SOLUTIONS INC
MEDIDATA SOLUTIONS INC. Institutional holdings reported to the SEC.

Institutional Holders (2015Q3)
Portfolio Summary: 206 Institutional holders with a total value of $2,416,194,430.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 SANDS CAPITAL MANAGEMENT, LLC 5,500,277 231,617,000 9.59%
2 BROWN CAPITAL MANAGEMENT LLC 5,345,968 225,119,000 9.32%
3 VANGUARD GROUP INC 3,987,693 167,923,000 6.95%
4 BlackRock Fund Advisors 3,340,456 140,667,000 5.82%
5 FMR LLC 2,652,867 111,712,000 4.62%
6 Clearbridge Investments, LLC 1,970,222 82,966,000 3.43%
7 COLUMBIA WANGER ASSET MANAGEMENT LLC 1,955,759 82,357,000 3.41%
8 MORGAN STANLEY 1,777,499 74,851,000 3.10%
9 BlackRock Institutional Trust Company, N.A. 1,336,085 56,263,000 2.33%
10 Bank of New York Mellon Corp 1,210,779 50,985,000 2.11%
11 Champlain Investment Partners, LLC 1,152,992 48,552,000 2.01%
12 Global Thematic Partners, LLC 1,138,292 47,933,000 1.98%
13 STATE STREET CORP 1,084,353 45,658,000 1.89%
14 ZEVENBERGEN CAPITAL INVESTMENTS LLC 1,081,787 45,554,000 1.89%
15 Apex Capital Management 1,075,166 45,275,000 1.87%
16 NEW YORK STATE COMMON RETIREMENT FUND 991,527 41,753,000 1.73%
17 EAGLE ASSET MANAGEMENT INC 969,373 40,820,000 1.69%
18 LORD, ABBETT & CO. LLC 935,165 39,380,000 1.63%
19 FRONTIER CAPITAL MANAGEMENT CO LLC 859,331 36,186,000 1.50%
20 KORNITZER CAPITAL MANAGEMENT INC /KS 859,230 36,182,000 1.50%
21 Stephens Investment Management Group LLC 820,565 34,554,000 1.43%
22 NORTHERN TRUST CORP 723,863 30,481,000 1.26%
23 GW&K Investment Management, LLC 689,521 29,036,000 1.20%
24 NORGES BANK 661,707 27,864,000 1.15%
25 BROWN ADVISORY INC 516,717 21,759,000 0.90%
26 ROYAL BANK OF CANADA 507,081 21,353,000 0.88%
27 LOOMIS SAYLES & CO L P 505,720 21,296,000 0.88%
28 STRS OHIO 500,597 21,080,000 0.87%
29 AMERIPRISE FINANCIAL INC 477,656 20,114,000 0.83%
30 Conestoga Capital Advisors, LLC 462,055 19,457,000 0.81%
31 BANK OF AMERICA CORP /DE/ 441,058 18,573,000 0.77%
32 Polar Capital LLP 421,355 17,743,000 0.73%
33 WADDELL & REED FINANCIAL INC 419,156 17,650,000 0.73%
34 DEUTSCHE BANK AG\ 397,398 16,732,000 0.69%
35 WELLS FARGO & COMPANY/MN 388,277 16,350,000 0.68%
36 ShearLink Capital, LLC 386,870 16,291,000 0.67%
37 TAMRO Capital Partners LLC 386,842 16,290,000 0.67%
38 FRED ALGER MANAGEMENT, LLC 374,287 15,761,000 0.65%
39 Alberta Investment Management Corp 371,460 15,642,000 0.65%
40 PRINCIPAL FINANCIAL GROUP INC 359,498 15,139,000 0.63%
41 GEODE CAPITAL MANAGEMENT, LLC 351,425 14,798,000 0.61%
42 ArrowMark Colorado Holdings LLC 347,472 14,632,000 0.61%
43 MACKENZIE FINANCIAL CORP 336,772 14,181,000 0.59%
44 JANUS HENDERSON GROUP PLC 306,264 12,897,000 0.53%
45 Nationwide Fund Advisors 300,909 12,671,000 0.52%
46 DISCIPLINED GROWTH INVESTORS INC /MN 286,845 12,079,000 0.50%
47 IRONBRIDGE CAPITAL MANAGEMENT LP 276,155 11,629,000 0.48%
48 KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 262,226 11,042,000 0.46%
49 PICTET ASSET MANAGEMENT LTD 235,359 9,911,000 0.41%
50 Invesco Ltd. 231,375 9,743,000 0.40%
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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.