Spark Investment Management LLC - ATYR PHARMA INC ownership

ATYR PHARMA INC's ticker is LIFE and the CUSIP is 002120103. A total of 41 filers reported holding ATYR PHARMA INC in Q4 2017. The put-call ratio across all filers is - and the average weighting 0.2%.

Quarter-by-quarter ownership
Spark Investment Management LLC ownership history of ATYR PHARMA INC
ValueSharesWeighting
Q3 2017$117,00023,2000.01%
Other shareholders
ATYR PHARMA INC shareholders Q4 2017
NameSharesValueWeighting ↓
Polaris Venture Management Co. V, L.L.C. 1,827,992$6,215,0006.43%
EcoR1 Capital, LLC 2,292,659$7,795,0001.38%
Rock Springs Capital Management LP 475,000$1,615,0000.08%
Quotient Investors, LLC 22,200$77,0000.06%
Alyeska Investment Group, L.P. 839,264$2,853,0000.02%
RIVERHEAD CAPITAL MANAGEMENT LLC 79,677$275,0000.01%
Glen Harbor Capital Management LLC 153,238$529,0000.01%
Elkfork Partners LLC 99,154$342,0000.01%
Meadow Creek Investment Management LLC 126,196$435,0000.01%
Tyers Asset Management LLC 72,112$249,0000.01%
View complete list of ATYR PHARMA INC shareholders