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

Institutional Holders (2014Q4)
Portfolio Summary: 198 Institutional holders with a total value of $2,801,430,443.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 BROWN CAPITAL MANAGEMENT LLC 5,276,180 251,938,000 8.99%
2 SANDS CAPITAL MANAGEMENT, LLC 5,126,077 244,770,000 8.74%
3 FMR LLC 3,523,667 168,255,000 6.01%
4 VANGUARD GROUP INC 3,521,229 168,139,000 6.00%
5 BlackRock Fund Advisors 3,078,955 147,020,000 5.25%
6 PRICE T ROWE ASSOCIATES INC /MD/ 2,935,149 140,153,000 5.00%
7 EAGLE ASSET MANAGEMENT INC 2,287,141 109,210,000 3.90%
8 Clearbridge Investments, LLC 2,209,825 105,519,000 3.77%
9 COLUMBIA WANGER ASSET MANAGEMENT LLC 1,999,800 95,491,000 3.41%
10 MORGAN STANLEY 1,953,828 93,294,000 3.33%
11 KORNITZER CAPITAL MANAGEMENT INC /KS 1,602,332 76,511,000 2.73%
12 BlackRock Institutional Trust Company, N.A. 1,349,271 64,428,000 2.30%
13 Global Thematic Partners, LLC 1,214,796 58,007,000 2.07%
14 ZEVENBERGEN CAPITAL INVESTMENTS LLC 1,199,325 57,268,000 2.04%
15 STATE STREET CORP 1,151,314 54,975,000 1.96%
16 NEW YORK STATE COMMON RETIREMENT FUND 958,584 45,772,000 1.63%
17 Stephens Investment Management Group LLC 932,789 44,541,000 1.59%
18 Bank of New York Mellon Corp 780,372 37,262,000 1.33%
19 DEUTSCHE BANK AG\ 772,068 36,864,000 1.32%
20 Champlain Investment Partners, LLC 707,130 33,765,000 1.21%
21 NORTHERN TRUST CORP 703,085 33,573,000 1.20%
22 FRONTIER CAPITAL MANAGEMENT CO LLC 682,019 32,566,000 1.16%
23 WADDELL & REED FINANCIAL INC 676,319 32,294,000 1.15%
24 GW&K Investment Management, LLC 599,041 28,604,000 1.02%
25 ROYAL BANK OF CANADA 587,389 28,047,000 1.00%
26 WELLS FARGO & COMPANY/MN 545,189 26,033,000 0.93%
27 NORGES BANK 523,223 24,984,000 0.89%
28 STRS OHIO 515,797 24,629,000 0.88%
29 Conestoga Capital Advisors, LLC 501,411 23,942,000 0.85%
30 NEW SOUTH CAPITAL MANAGEMENT INC 459,093 21,921,000 0.78%
31 AMERIPRISE FINANCIAL INC 454,555 21,706,000 0.77%
32 ArrowMark Colorado Holdings LLC 402,137 19,202,000 0.69%
33 Alberta Investment Management Corp 371,460 17,737,000 0.63%
34 IRONBRIDGE CAPITAL MANAGEMENT LP 352,340 16,824,000 0.60%
35 PRINCIPAL FINANCIAL GROUP INC 338,686 16,172,000 0.58%
36 JANUS HENDERSON GROUP PLC 326,346 15,583,000 0.56%
37 GEODE CAPITAL MANAGEMENT, LLC 307,596 14,687,000 0.52%
38 Polar Capital LLP 305,296 14,578,000 0.52%
39 LORD, ABBETT & CO. LLC 303,604 14,497,000 0.52%
40 DISCIPLINED GROWTH INVESTORS INC /MN 278,920 13,318,000 0.48%
41 KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 273,175 13,044,000 0.47%
42 MANAGED ACCOUNT ADVISORS LLC 273,115 13,041,000 0.47%
43 Cupps Capital Management, LLC 261,045 12,464,000 0.44%
44 TIVERTON ASSET MANAGEMENT LLC 234,600 11,203,000 0.40%
45 PICTET ASSET MANAGEMENT LTD 217,801 10,400,000 0.37%
46 TIAA CREF INVESTMENT MANAGEMENT LLC 195,453 9,333,000 0.33%
47 PRUDENTIAL FINANCIAL INC 193,360 9,233,000 0.33%
48 BAMCO INC /NY/ 189,579 9,052,000 0.32%
49 PUTNAM INVESTMENTS LLC 182,867 8,732,000 0.31%
50 RUSSELL FRANK CO/ 181,368 8,641,000 0.31%
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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.