MASSACHUSETTS FINANCIAL SERVICES CO /MA/ - ANAPTYSBIO INC ownership

ANAPTYSBIO INC's ticker is ANAB and the CUSIP is 032724106. A total of 133 filers reported holding ANAPTYSBIO INC in Q3 2020. The put-call ratio across all filers is 62.00 and the average weighting 0.2%.

Quarter-by-quarter ownership
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ ownership history of ANAPTYSBIO INC
ValueSharesWeighting
Q1 2022$1,687,000
-40.2%
68,201
-16.0%
0.00%
-100.0%
Q4 2021$2,822,000
+8.2%
81,204
-15.6%
0.00%0.0%
Q3 2021$2,609,000
+3.2%
96,195
-1.3%
0.00%0.0%
Q2 2021$2,527,000
+241.5%
97,457
+183.9%
0.00%
Q1 2021$740,000
-10.4%
34,333
-10.6%
0.00%
Q4 2020$826,000
+44.4%
38,400
-1.0%
0.00%
Q3 2020$572,00038,7840.00%
Other shareholders
ANAPTYSBIO INC shareholders Q3 2020
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