Dark
Light
System
Security
MEDIDATA SOLUTIONS INC
MEDIDATA SOLUTIONS INC. Institutional holdings reported to the SEC.

Institutional Holders (2014Q1)
Portfolio Summary: 211 Institutional holders with a total value of $2,584,995,562.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 VANGUARD GROUP INC 3,421,617 185,931,000 7.19%
2 EAGLE ASSET MANAGEMENT INC 3,098,201 168,356,000 6.51%
3 BlackRock Fund Advisors 2,906,557 157,942,000 6.11%
4 FMR LLC 2,181,524 118,544,000 4.59%
5 WELLS FARGO & COMPANY/MN 2,058,502 111,859,000 4.33%
6 MORGAN STANLEY 1,774,143 96,408,000 3.73%
7 Clearbridge Investments, LLC 1,453,147 78,964,000 3.05%
8 NEXT CENTURY GROWTH INVESTORS LLC 1,431,272 77,775,000 3.01%
9 BlackRock Institutional Trust Company, N.A. 1,403,698 76,277,000 2.95%
10 STATE STREET CORP 1,176,167 63,913,000 2.47%
11 ZEVENBERGEN CAPITAL INVESTMENTS LLC 1,095,255 59,516,000 2.30%
12 ANDOR CAPITAL MANAGEMENT, L.L.C. 900,000 48,906,000 1.89%
13 Stephens Investment Management Group LLC 888,063 48,257,000 1.87%
14 GILDER GAGNON HOWE & CO LLC 862,740 46,881,000 1.81%
15 AMERICAN CENTURY COMPANIES INC 857,436 46,593,000 1.80%
16 NEW YORK STATE COMMON RETIREMENT FUND 816,064 44,345,000 1.72%
17 NORTHERN TRUST CORP 795,513 43,229,000 1.67%
18 DIMENSIONAL FUND ADVISORS LP 784,461 42,627,000 1.65%
19 Cupps Capital Management, LLC 740,939 40,262,000 1.56%
20 AMERIPRISE FINANCIAL INC 720,615 39,157,000 1.51%
21 PRICE T ROWE ASSOCIATES INC /MD/ 705,300 38,326,000 1.48%
22 COLUMBIA WANGER ASSET MANAGEMENT LLC 662,500 36,000,000 1.39%
23 WADDELL & REED FINANCIAL INC 655,255 35,607,000 1.38%
24 Bank of New York Mellon Corp 582,645 31,662,000 1.22%
25 GW&K Investment Management, LLC 540,887 29,392,000 1.14%
26 ROYAL BANK OF CANADA 533,231 28,976,000 1.12%
27 BAMCO INC /NY/ 518,040 28,150,000 1.09%
28 Calamos Advisors LLC 512,033 27,824,000 1.08%
29 LORD, ABBETT & CO. LLC 500,851 27,216,000 1.05%
30 NEW SOUTH CAPITAL MANAGEMENT INC 480,272 26,098,000 1.01%
31 Conestoga Capital Advisors, LLC 477,017 25,921,000 1.00%
32 COLUMBUS CIRCLE INVESTORS 460,065 25,000,000 0.97%
33 TEACHERS ADVISORS, LLC 438,794 23,844,000 0.92%
34 NORGES BANK 428,726 23,297,000 0.90%
35 MANAGED ACCOUNT ADVISORS LLC 390,274 21,208,000 0.82%
36 GENEVA CAPITAL MANAGEMENT LLC 385,856 20,967,000 0.81%
37 OppenheimerFunds, Inc. 367,354 19,962,000 0.77%
38 DISCIPLINED GROWTH INVESTORS INC /MN 336,270 18,273,000 0.71%
39 LOOMIS SAYLES & CO L P 332,071 18,045,000 0.70%
40 IRONBRIDGE CAPITAL MANAGEMENT LP 330,451 17,957,000 0.69%
41 PRINCIPAL FINANCIAL GROUP INC 325,295 17,676,000 0.68%
42 TIAA CREF INVESTMENT MANAGEMENT LLC 312,928 17,005,000 0.66%
43 GEODE CAPITAL MANAGEMENT, LLC 270,102 14,677,000 0.57%
44 MILLENNIUM MANAGEMENT LLC 245,232 13,326,000 0.52%
45 DRIEHAUS CAPITAL MANAGEMENT LLC 244,793 13,302,000 0.51%
46 OBERWEIS ASSET MANAGEMENT INC/ 239,890 13,036,000 0.50%
47 PRUDENTIAL FINANCIAL INC 234,010 12,716,000 0.49%
48 Invesco Ltd. 217,740 11,832,000 0.46%
49 ARBOR CAPITAL MANAGEMENT LLC 199,392 10,835,000 0.42%
50 RUSSELL FRANK CO/ 275,260 10,731,000 0.42%
Page 1 of 5

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.