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

Institutional Holders (2015Q4)
Portfolio Summary: 204 Institutional holders with a total value of $2,807,249,317.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 SANDS CAPITAL MANAGEMENT, LLC 5,465,577 269,398,000 9.60%
2 BROWN CAPITAL MANAGEMENT LLC 5,369,431 264,659,000 9.43%
3 FMR LLC 4,551,649 224,351,000 7.99%
4 VANGUARD GROUP INC 4,073,971 200,807,000 7.15%
5 BlackRock Fund Advisors 3,519,166 173,460,000 6.18%
6 COLUMBIA WANGER ASSET MANAGEMENT LLC 1,861,230 91,740,000 3.27%
7 Clearbridge Investments, LLC 1,736,297 85,582,000 3.05%
8 BlackRock Institutional Trust Company, N.A. 1,345,578 66,324,000 2.36%
9 MORGAN STANLEY 1,253,886 61,803,000 2.20%
10 Champlain Investment Partners, LLC 1,190,025 58,656,000 2.09%
11 STATE STREET CORP 1,113,258 54,874,000 1.95%
12 Apex Capital Management 1,093,218 53,885,000 1.92%
13 ZEVENBERGEN CAPITAL INVESTMENTS LLC 1,028,230 50,681,000 1.81%
14 NEW YORK STATE COMMON RETIREMENT FUND 993,727 48,981,000 1.74%
15 Global Thematic Partners, LLC 991,760 48,884,000 1.74%
16 Stephens Investment Management Group LLC 801,545 39,508,000 1.41%
17 LORD, ABBETT & CO. LLC 778,450 38,370,000 1.37%
18 GW&K Investment Management, LLC 761,623 37,540,000 1.34%
19 NORTHERN TRUST CORP 748,860 36,911,000 1.31%
20 Bank of New York Mellon Corp 702,093 34,605,000 1.23%
21 FRONTIER CAPITAL MANAGEMENT CO LLC 690,870 34,053,000 1.21%
22 BROWN ADVISORY INC 662,156 32,638,000 1.16%
23 NORGES BANK 643,207 31,704,000 1.13%
24 KORNITZER CAPITAL MANAGEMENT INC /KS 616,960 30,410,000 1.08%
25 Polar Capital LLP 555,712 27,391,000 0.98%
26 PICTET ASSET MANAGEMENT LTD 535,160 26,378,000 0.94%
27 ROYAL BANK OF CANADA 508,664 25,073,000 0.89%
28 LOOMIS SAYLES & CO L P 503,476 24,816,000 0.88%
29 STRS OHIO 500,597 24,674,000 0.88%
30 EAGLE ASSET MANAGEMENT INC 493,889 24,343,000 0.87%
31 ShearLink Capital, LLC 464,446 22,893,000 0.82%
32 Conestoga Capital Advisors, LLC 424,255 20,912,000 0.74%
33 WADDELL & REED FINANCIAL INC 419,156 20,661,000 0.74%
34 AMERIPRISE FINANCIAL INC 414,166 20,413,000 0.73%
35 JANUS HENDERSON INVESTORS US LLC 396,841 19,560,000 0.70%
36 ArrowMark Colorado Holdings LLC 378,784 18,670,000 0.67%
37 BANK OF AMERICA CORP /DE/ 372,766 18,374,000 0.65%
38 WELLS FARGO & COMPANY/MN 372,468 18,359,000 0.65%
39 PRINCIPAL FINANCIAL GROUP INC 372,108 18,341,000 0.65%
40 Alberta Investment Management Corp 358,460 17,668,000 0.63%
41 GEODE CAPITAL MANAGEMENT, LLC 355,494 17,522,000 0.62%
42 Nationwide Fund Advisors 323,974 15,969,000 0.57%
43 FRED ALGER MANAGEMENT, LLC 310,792 15,319,000 0.55%
44 JANUS HENDERSON GROUP PLC 308,350 15,199,000 0.54%
45 DISCIPLINED GROWTH INVESTORS INC /MN 284,920 14,044,000 0.50%
46 IRONBRIDGE CAPITAL MANAGEMENT LP 276,985 13,653,000 0.49%
47 AMERICAN CENTURY COMPANIES INC 276,914 13,649,000 0.49%
48 KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 254,514 12,545,000 0.45%
49 Invesco Ltd. 243,328 11,994,000 0.43%
50 BlackRock Investment Management, LLC 208,966 10,300,000 0.37%
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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.