How many institutions held ANAB - ANAPTYSBIO, INC - Common Stock, par value $0.001 per share in Q4 2020?

129 institutional investors reported ANAB - ANAPTYSBIO, INC - Common Stock, par value $0.001 per share for Q4 2020. Use the holders table for investor-level position and value details.

ANAPTYSBIO, INC - Common Stock, par value $0.001 per share (ANAB)

Q: What does CUSIP 032724106 represent in this 13F holders report?

CUSIP 032724106 is the security identifier for ANAB - ANAPTYSBIO, INC - Common Stock, par value $0.001 per share used to aggregate holder disclosures.

CUSIP: 032724106

Q4 2020 13F Holders as of 31 Dec 2020

Security type / class: Equity / Common Stock, par value $0.001 per share
Total 13F shares: 27,945,751
Total 13F value: $600,836,464
Share change: -1,431,264
Put/Call ratio: 35%
SEC-reported price per share: $21.50
Number of holders: 129
Value change: -$16,682,226
Number of buys: 55
Number of sells: 58
Shares outstanding: 29,839,180

Security key

032724106

Report period

Q4 2020

Institutions

129

Top holders

ANAB full security history Ownership snapshot Full 13F holder table Newer quarter: Q3 2026 ANAPTYSBIO, INC SEC filings ANAPTYSBIO, INC company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 032724106

Newer quarter: Q3 2026

Recent filing periods:

Q3 2026

Ownership snapshot

Top reported holders of ANAB - ANAPTYSBIO, INC - Common Stock, par value $0.001 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

EcoR1 Capital, LLC

Disclosed value leader

EcoR1 Capital, LLC

Comparable rows

0/15

Latest evidence

30 Sep 2020

13F Highest disclosed value: $47,544,000 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

EcoR1 Capital, LLC has the largest disclosed position value at $47.54M.

0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens EcoR1 Capital, LLC's linked filing trail.

Disclosed position value Top 5

EcoR1 Capital, LLC $47.54M

TANG CAPITAL MANAGEMENT LLC $38.77M

FRAZIER MANAGEMENT LLC $34.17M

VANGUARD GROUP INC $30.44M

BlackRock Finance, Inc. $28.47M

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
EcoR1 Capital, LLC	13F Company 13F	— denominator unverified	$47,544,000 3,223,324 shares	—	30 Sep 2020
TANG CAPITAL MANAGEMENT LLC	13F Company 13F	— denominator unverified	$38,773,000 2,628,678 shares	—	30 Sep 2020
FRAZIER MANAGEMENT LLC	13F Company 13F	— denominator unverified	$34,168,000 2,316,447 shares	—	30 Sep 2020
VANGUARD GROUP INC	13F Company 13F	— denominator unverified	$30,445,000 2,064,077 shares	—	30 Sep 2020
BlackRock Finance, Inc.	13F Company 13F	— denominator unverified	$28,473,000 1,930,420 shares	—	30 Sep 2020
Aquilo Capital Management, LLC	13F Company 13F	— denominator unverified	$21,795,000 1,477,652 shares	—	30 Sep 2020

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q4 2020

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

129

27,945,751

Rows available

129

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q4 2020 vs Q3 2020 Across Filers

Q3 2020 holders

127

Q4 2020 holders

129

Holder diff

Investor	Q3 2020 Shares	Q4 2020 Shares	Share Diff	Share Chg %	Q3 2020 value	Q4 2020 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend