ATHN

athenahealth, Inc. Institutional Ownership

$125.92
*  
1.40
1.12%
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*Delayed - data as of May 24, 2016  -  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 as reported in the most recent 13F filings


Institutional Ownership 122.59%
Total Shares Outstanding (millions) 39
Total Value of Holdings (millions) $5,994

Active Positions

Holders Shares
Increased Positions 121 2,464,390
Decreased Positions 111 3,233,393
Held Positions 43 42,436,596
Total Institutional Shares 275 48,134,379

New and Sold Out Positions


Holders Shares
New Positions 30 322,319
Sold Out Positions 31 214,974

121 Increased Institutional Holders
2,464,390 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)
STEPHENS INVESTMENT MANAGEMENT GROUP LLC 03/31/2016 239,045 13,975 6.21 29,766
BAMCO INC /NY/ 03/31/2016 208,817 145,541 230.01 26,002
ROYAL BANK OF CANADA 03/31/2016 201,658 185,228 1,127.38 25,110
EVENTIDE ASSET MANAGEMENT, LLC 03/31/2016 201,200 37,008 22.54 25,053
LMCG INVESTMENTS, LLC 09/30/2015 189,654 22,003 13.12 23,616
ARROWPOINT ASSET MANAGEMENT, LLC 03/31/2016 161,302 42,781 36.10 20,085
DEUTSCHE BANK AG\ 03/31/2016 144,333 96,807 203.69 17,972
COLUMBUS CIRCLE INVESTORS 03/31/2016 142,692 101,632 247.52 17,768
EVERPOINT ASSET MANAGEMENT, LLC 03/31/2016 130,000 105,954 440.63 16,188
DIAM CO., LTD. 03/31/2016 122,079 20,281 19.92 15,201
WELLS FARGO & COMPANY/MN 03/31/2016 117,929 5,473 4.87 14,685
SCHWAB CHARLES INVESTMENT MANAGEMENT INC 03/31/2016 116,659 3,987 3.54 14,526
CITADEL ADVISORS LLC 03/31/2016 108,099 28,430 35.69 13,460
SEI INVESTMENTS CO 03/31/2016 102,691 3,918 3.97 12,787
MARSHALL WACE LLP 03/31/2016 93,792 56,593 152.14 11,679

Institutional Holdings information for this company is filed by major institutions on form 13-F with the Securities and Exchange Commission.
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