<SEC-DOCUMENT>0000790502-15-000029-index.html : 20150108
<SEC-HEADER>0000790502-15-000029.hdr.sgml : 20150108
<ACCEPTANCE-DATETIME>20150108133812
ACCESSION NUMBER:		0000790502-15-000029
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20150108
DATE AS OF CHANGE:		20150108

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Medidata Solutions, Inc.
		CENTRAL INDEX KEY:			0001453814
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				522319066
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-84929
		FILM NUMBER:		15515759

	BUSINESS ADDRESS:	
		STREET 1:		350 HUDSON ST.,  9TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10014
		BUSINESS PHONE:		212.918.1800

	MAIL ADDRESS:	
		STREET 1:		350 HUDSON ST.,  9TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10014

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			EAGLE ASSET MANAGEMENT INC
		CENTRAL INDEX KEY:			0000790502
		IRS NUMBER:				592385219
		STATE OF INCORPORATION:			FL
		FISCAL YEAR END:			0930

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		880 CARILLON PARKWAY
		CITY:			ST PETERSBURG
		STATE:			FL
		ZIP:			33716
		BUSINESS PHONE:		7275732453

	MAIL ADDRESS:	
		STREET 1:		880 CARILLON PARKWAY
		CITY:			ST PETERSBURG
		STATE:			FL
		ZIP:			33716
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>MDSO3.txt
<DESCRIPTION>MEDIDATA SOLUTIONS INC.
<TEXT>
Document 1 - file: MDSO3.txt

</DOCUMENT>
</SEC-DOCUMENT>