SIMPLEX TRADING, LLC - ANAPTYSBIO INC ownership

ANAPTYSBIO INC's ticker is ANAB and the CUSIP is 032724106. A total of 128 filers reported holding ANAPTYSBIO INC in Q2 2019. The put-call ratio across all filers is 1.48 and the average weighting 0.3%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of ANAPTYSBIO INC
ValueSharesWeighting
Q4 2022$0
-100.0%
29
-65.9%
0.00%
Q4 2021$2,000
-87.5%
85
-86.8%
0.00%
Q3 2021$16,0000.0%6430.0%0.00%
Q2 2021$16,000
-95.2%
643
-95.8%
0.00%
-100.0%
Q1 2021$332,000
+130.6%
15,445
+129.8%
0.00%
Q4 2020$144,000
+500.0%
6,722
+525.3%
0.00%
Q2 2020$24,000
+1100.0%
1,075
+3483.3%
0.00%
Q1 2019$2,000
-60.0%
30
-68.1%
0.00%
Q4 2018$5,000
-54.5%
94
-43.4%
0.00%
Q2 2018$11,000
-82.3%
166
-72.5%
0.00%
-100.0%
Q1 2018$62,0006040.00%
Other shareholders
ANAPTYSBIO INC shareholders Q2 2019
NameSharesValueWeighting ↓
TANG CAPITAL MANAGEMENT LLC 2,628,678$81,462,73111.84%
EcoR1 Capital, LLC 7,521,024$233,076,5347.09%
5AM Venture Management, LLC 357,733$11,086,1462.98%
Boxer Capital, LLC 1,300,000$40,287,0002.12%
Frazier Life Sciences Management, L.P. 899,700$27,881,7031.73%
Palo Alto Investors LP 431,024$13,357,4341.14%
Logos Global Management LP 250,000$7,747,5000.91%
BRAIDWELL LP 726,122$22,502,5210.75%
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) 1,161,826$36,004,9880.74%
Rock Springs Capital Management LP 576,600$17,868,8340.43%
View complete list of ANAPTYSBIO INC shareholders