PRTA

Prothena Corporation plc Institutional Ownership

$59.61
*  
2.79
4.91%
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*Delayed - data as of Aug. 27, 2015  -  Find a broker to begin trading PRTA now
Exchange: NASDAQ
Industry: Health Care
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Ownership Summary Institutional Holdings Insiders
(SEC Form 4)
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Ownership Summary


Institutional Ownership 93.14%
Total Shares Outstanding (millions) 31
Total Value of Holdings (millions) $1,661

Active Positions

Holders Shares
Increased Positions 71 4,281,582
Decreased Positions 46 1,785,459
Held Positions 31 23,158,933
Total Institutional Shares 148 29,225,974

New and Sold Out Positions


Holders Shares
New Positions 24 1,022,400
Sold Out Positions 10 165,250

148 Institutional Holders
29,225,974 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)
FMR LLC 06/30/2015 4,692,882 582,952 14.18 266,650
WOODFORD INVESTMENT MANAGEMENT LLP 06/30/2015 4,082,130 624,908 18.08 231,947
PRICE T ROWE ASSOCIATES INC /MD/ 06/30/2015 3,475,196 35,900 1.04 197,461
WELLINGTON MANAGEMENT GROUP LLP 06/30/2015 2,527,043 26,331 1.05 143,587
WESTFIELD CAPITAL MANAGEMENT CO LP 06/30/2015 1,392,850 (342,078) (19.72) 79,142
CAPITAL WORLD INVESTORS 06/30/2015 1,223,114 (40,100) (3.17) 69,497
BLACKROCK FUND ADVISORS 06/30/2015 1,150,206 78,692 7.34 65,355
STATE STREET CORP 06/30/2015 1,065,977 (123,599) (10.39) 60,569
VISIUM ASSET MANAGEMENT, LP 06/30/2015 996,887 694,848 230.05 56,643
PALO ALTO INVESTORS, LLC 06/30/2015 695,918 0 0.00 39,542
BLACKROCK INSTITUTIONAL TRUST COMPANY, N.A. 06/30/2015 637,387 93,366 17.16 36,216
MILLENNIUM MANAGEMENT LLC 06/30/2015 539,913 (198,516) (26.88) 30,678
NORTHERN TRUST CORP 06/30/2015 484,021 59,389 13.99 27,502
VANGUARD GROUP INC 06/30/2015 460,483 66,838 16.98 26,165
CITADEL ADVISORS LLC 06/30/2015 417,890 313,553 300.52 23,745

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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