SEC 13F Intelligence

Ecor1 Capital, LLC / ANAB

Ecor1 Capital, LLC’s Anaptysbio Inc Position

Does Ecor1 Capital, LLC own Anaptysbio Inc (ANAB)? Yes — 7.88M shares worth $437M (+18.55% of its 13F portfolio) as of Q1 2026.

Position Value
$437M
Q1 2026
Shares
7.88M
% of Portfolio
+18.55%
Quarters Held
26
currently held

Position History ANAB

Reported value by quarter
Q4 ’19: $32MQ4 ’19Q1 ’20: $43MQ2 ’20: $69MQ3 ’20: $48MQ4 ’20: $69MQ4 ’20Q1 ’21: $154MQ2 ’21: $195MQ3 ’21: $204MQ4 ’21: $261MQ4 ’21Q1 ’22: $186MQ2 ’22: $153MQ3 ’22: $192MQ4 ’22: $233MQ4 ’22Q1 ’23: $164MQ2 ’23: $153MQ3 ’23: $135MQ4 ’23: $161MQ4 ’23Q1 ’24: $169MQ2 ’24: $188MQ3 ’24: $261MQ4 ’24: $104MQ4 ’24Q1 ’25: $146MQ2 ’25: $175MQ3 ’25: $241MQ4 ’25: $382MQ4 ’25Q1 ’26: $437Mfilingsflow.com
QuarterSharesValue% of Portfolio
Q1 20267.88M$437M+18.55%
Q4 20257.88M$382M+17.33%
Q3 20257.88M$241M+11.58%
Q2 20257.88M$175M+10.36%
Q1 20257.88M$146M+8.69%
Q4 20247.87M$104M+3.94%
Q3 20247.79M$261M+8.94%
Q2 20247.52M$188M+5.77%
Q1 20247.52M$169M+4.28%
Q4 20237.52M$161M+4.18%
Q3 20237.52M$135M+4.56%
Q2 20237.52M$153M+3.75%
Q1 20237.52M$164M+5.27%
Q4 20227.52M$233M+7.09%
Q3 20227.52M$192M+5.66%
Q2 20227.52M$153M+5.27%
Q1 20227.52M$186M+5.82%
Q4 20217.52M$261M+8.33%
Q3 20217.52M$204M+7.10%
Q2 20217.52M$195M+7.29%
Q1 20217.15M$154M+6.84%
Q4 20203.22M$69M+3.73%
Q3 20203.22M$48M+3.39%
Q2 20203.08M$69M+5.07%
Q1 20203.04M$43M+4.48%
Q4 20191.97M$32M+2.88%

Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See Ecor1 Capital, LLC’s full portfolio or all institutional holders of ANAB.