ATHN

athenahealth, Inc. Institutional Ownership

$132.16
*  
0.05
0.04%
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*Delayed - data as of Aug. 22, 2014 12:18 ET  -  Find a broker to begin trading ATHN now
Exchange: NASDAQ
Industry: Miscellaneous
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Ownership Summary Institutional Holdings Insiders
(SEC Form 4)
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Ownership Summary


Institutional Ownership 122.67%
Total Shares Outstanding (millions) 38
Total Value of Holdings (millions) $6,152

Active Positions

Holders Shares
Increased Positions 133 8,563,985
Decreased Positions 127 4,924,597
Held Positions 26 33,081,221
Total Institutional Shares 286 46,569,803

New and Sold Out Positions


Holders Shares
New Positions 46 2,057,119
Sold Out Positions 50 842,922

133 Increased Institutional Holders
8,563,985 Increased Total Shares Held


Click on the column header links to resort ascending (▲) or descending (▼).
Owner Name Date Shared Held Change (Shares) Change (%) Value (in 1,000s)
COLUMBIA PARTNERS L L C INVESTMENT MANAGEMENT 06/30/2014 82,752 1,280 1.57 10,932
STATE OF WISCONSIN INVESTMENT BOARD 06/30/2014 82,604 33,605 68.58 10,913
GAGNON ADVISORS, LLC 06/30/2014 76,214 8,476 12.51 10,069
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 06/30/2014 71,958 5,160 7.73 9,506
SUSQUEHANNA INTERNATIONAL GROUP, LLP 06/30/2014 65,763 55,607 547.53 8,688
ROCK SPRINGS CAPITAL MANAGEMENT LP 06/30/2014 62,250 42,750 219.23 8,224
MASON STREET ADVISORS, LLC 06/30/2014 51,746 12,844 33.02 6,836
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 06/30/2014 46,790 16,653 55.26 6,181
300 NORTH CAPITAL, LLC 06/30/2014 45,391 4,720 11.61 5,997
DIMENSIONAL FUND ADVISORS LP 06/30/2014 42,213 449 1.08 5,577
GILDER GAGNON HOWE & CO LLC 06/30/2014 38,531 8,718 29.24 5,090
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO 06/30/2014 35,986 757 2.15 4,754
BROWN ADVISORY INC 06/30/2014 34,666 11,408 49.05 4,580
BLACKROCK GROUP LTD 06/30/2014 33,678 9,634 40.07 4,449
SEI TRUST CO 06/30/2014 30,827 4,846 18.65 4,073

Institutional Holdings information for GOOG is filed by major institutions on form 13-F with the Securities and Exchange Commission.
info  Learn more about Institutional Holdings