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aTyr Pharma Inc (NASDAQ:LIFE)

Delayed Data
As of 1:00pm ET
 +0.24 / +2.82%
Today’s Change
Today|||52-Week Range
Institutional investors purchased a net $654.8 thousand shares of LIFE during the quarter ended September 2015 and now own 55.07% of the total shares outstanding. This majority interest is a greater percentage than is typical for companies in the Biotechnology industry and highlights that the smart money sees this stock as an important holding.
Individual stakeholders45.53%
Other institutional41.36%
Mutual fund holders13.71%

Largest Quarterly Institutional

Latest Institutional Activity

9/30/2015RS INVESTMENT MANAGEMENT CO. LLC  Bought 413.0 Thousand shares of aTyr Pharma Inc
9/30/2015JPMORGAN INVESTMENT MANAGEMENT, ...  Bought 162.2 Thousand shares of aTyr Pharma Inc
9/30/2015ALYESKA INVESTMENT GROUP LP  Bought 109.1 Thousand shares of aTyr Pharma Inc

Top 10 Owners of aTyr Pharma Inc

Total value ($)Shares
bought / sold
Fidelity Management & Research Co...15.00%3,545,89244,181,814+711+0.02%
Baker Bros. Advisors LP9.88%2,335,12529,095,65800.00%
T. Rowe Price Associates, Inc.5.01%1,184,10714,753,973-5,937-0.50%
RS Investment Management Co. LLC4.58%1,082,24913,484,823+413,012+61.71%
Ecor1 Capital LLC3.56%840,46210,472,157+3,602+0.43%
Tiverton Asset Management LLC2.00%472,2365,884,061+22,236+4.94%
Deerfield Management Co. LP1.95%461,5305,750,66400.00%
Riverhead Capital Management LLC1.76%415,3775,175,59700.00%
Rock Springs Capital Management L...1.65%388,9964,846,890-19,500-4.77%
Magnetar Financial LLC1.50%354,6594,419,051+45,800+14.83%

Top 10 Mutual Funds Holding aTyr Pharma Inc

Mutual fundStakeShares
Total value ($)Shares
bought / sold
Fidelity Growth Company Fund2.52%596,1227,427,680-6,500-1.08%
RS Small Cap Growth Fund2.10%497,0036,192,657+497,003--
Fidelity Select Biotechnology Por...0.85%201,8202,514,67700.00%
T Rowe Price New Horizons Fund0.81%192,2002,394,812-100-0.05%
T Rowe Price Health Sciences Fund0.73%173,4002,160,564+173,400--
Fidelity Series Growth Company Fu...0.70%165,7742,065,54400.00%
Federated Kaufmann Fund0.59%140,0001,744,400+140,000--
JPMorgan US Small Companies Fund0.53%125,7631,567,007-737-0.58%
Vanguard Total Stock Market Index...0.45%106,0671,321,59500.00%
JNL Multi Manager Small Cap Growt...0.44%104,9521,307,702+104,952--