BLAIR WILLIAM & CO/IL - SIERRA ONCOLOGY INC ownership

SIERRA ONCOLOGY INC's ticker is SRRA and the CUSIP is 82640U107. A total of 50 filers reported holding SIERRA ONCOLOGY INC in Q2 2019. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
BLAIR WILLIAM & CO/IL ownership history of SIERRA ONCOLOGY INC
ValueSharesWeighting
Q3 2019$7,000
-56.2%
16,919
-42.3%
0.00%
Q2 2019$16,000
-68.0%
29,3190.0%0.00%
Q1 2019$50,000
+127.3%
29,319
+73.3%
0.00%
Q4 2018$22,000
-24.1%
16,9190.0%0.00%
Q3 2018$29,000
-82.4%
16,919
-69.6%
0.00%
-100.0%
Q2 2018$165,000
+43.5%
55,7140.0%0.00%0.0%
Q1 2018$115,000
-32.7%
55,714
+21.3%
0.00%0.0%
Q4 2017$171,000
+140.8%
45,9480.0%0.00%0.0%
Q3 2017$71,000
+31.5%
45,9480.0%0.00%
Q2 2017$54,000
-22.9%
45,9480.0%0.00%
-100.0%
Q1 2017$70,000
+2.9%
45,9480.0%0.00%0.0%
Q4 2016$68,00045,9480.00%
Other shareholders
SIERRA ONCOLOGY INC shareholders Q2 2019
NameSharesValueWeighting ↓
FRAZIER MANAGEMENT LLC 8,112,121$30,258,0004.91%
New Leaf Venture Partners, L.L.C. 2,798,224$10,437,0004.88%
AWH Capital, L.P. 685,000$2,555,0002.26%
Vivo Capital, LLC 2,438,270$9,095,0001.95%
Iguana Healthcare Management, LLC 800,000$2,984,0001.94%
Perceptive Advisors 5,000,000$18,650,0000.62%
683 Capital Management, LLC 921,774$3,438,0000.29%
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) 1,761,092$6,569,0000.26%
SPHERA FUNDS MANAGEMENT LTD. 550,000$2,052,0000.24%
Orbimed Advisors 3,203,704$11,950,0000.15%
View complete list of SIERRA ONCOLOGY INC shareholders