LIFE

aTyr Pharma, Inc. Institutional Ownership

$3.22
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0.07
2.22%
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*Delayed - data as of May 23, 2016  -  Find a broker to begin trading LIFE now
Exchange: NASDAQ
Industry: Health Care
Community Rating:
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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 59.99%
Total Shares Outstanding (millions) 24
Total Value of Holdings (millions) $45

Active Positions

Holders Shares
Increased Positions 26 1,700,264
Decreased Positions 24 1,996,152
Held Positions 9 10,512,947
Total Institutional Shares 59 14,209,363

New and Sold Out Positions


Holders Shares
New Positions 9 955,803
Sold Out Positions 8 217,285

59 Institutional Holders
14,209,363 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 03/31/2016 3,551,596 4,335 .12 11,188
BAKER BROS. ADVISORS LP 03/31/2016 2,137,606 (197,519) (8.46) 6,733
POLARIS VENTURE MANAGEMENT CO. V, L.L.C. 03/31/2016 1,827,992 0 0.00 5,758
RS INVESTMENT MANAGEMENT CO LLC 03/31/2016 1,579,892 373,643 30.98 4,977
GRUSS CAPITAL MANAGEMENT LP 03/31/2016 600,000 600,000 New 1,890
PRICE T ROWE ASSOCIATES INC /MD/ 03/31/2016 520,452 (648,555) (55.48) 1,639
ALYESKA INVESTMENT GROUP, L.P. 03/31/2016 490,750 181,688 58.79 1,546
BLACKROCK FUND ADVISORS 03/31/2016 464,476 20,539 4.63 1,463
ROCK SPRINGS CAPITAL MANAGEMENT LP 03/31/2016 433,496 18,300 4.41 1,366
TIVERTON ASSET MANAGEMENT LLC 03/31/2016 425,147 (39,853) (8.57) 1,339
RIVERHEAD CAPITAL MANAGEMENT LLC 03/31/2016 397,783 (17,594) (4.24) 1,253
JPMORGAN CHASE & CO 03/31/2016 372,850 (2,900) (0.77) 1,174
VANGUARD GROUP INC 03/31/2016 199,631 26,712 15.45 629
TANG CAPITAL MANAGEMENT LLC 03/31/2016 190,000 190,000 New 599
MAGNETAR FINANCIAL LLC 03/31/2016 183,806 (2,493) (1.34) 579

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