ANAPTYSBIO INC (ANAB) Institutional Ownership and Insiders Activity

ANAPTYSBIO INC (ANAB) is widely held by institutional investors, with 207 firms reporting positions valued at approximately $2.04B based on SEC Form 13F filings for the quarter ended June 30, 2026.

Ecor1 Capital, Llc is the largest disclosed holder, reporting approximately $531.91M in ANAB holdings in its latest filing.

Recent insider activity includes 1 tracked Form 4 transaction over the last three months, reflecting ongoing executive and director trading activity.

Institutional Holders

207

Total Reported Value

$2.04B

Largest Holder

Ecor1 Capital, Llc

Largest Position

$531.91M

Insider Transactions (90d)

1

Latest Filing Quarter

Q2 2026

New Institutional Positions

47

Funds Exiting Positions

43