v3.19.3
Cover Page
Sep. 30, 2019
Cover page.  
Document Type 8-K
Document Period End Date Sep. 30, 2019
Entity Registrant Name ANAPTYSBIO, INC
Entity Incorporation, State or Country Code DE
Entity File Number 001-37985
Entity Tax Identification Number 20-3828755
Entity Address, Address Line One 10421 Pacific Center Court
Entity Address, Address Line Two Suite 200
Entity Address, City or Town San Diego
Entity Address, State or Province CA
Entity Address, Postal Zip Code 92121
City Area Code 858
Local Phone Number 362-6295
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, par value $0.001 per share
Trading Symbol ANAB
Security Exchange Name NASDAQ
Entity Emerging Growth Company false
Entity Central Index Key 0001370053
Amendment Flag false