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

CUSIP: 032724106

Q4 2021 13F Holders as of 31 Dec 2021

Holder snapshot 7 signals
Share change
+111,774
Put/Call ratio
0%
SEC-reported price per share
$34.75
Number of holders
132
Value change
+$8,862,117
Number of buys
57
Open additional details 1 more signal available
Number of sells
55
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
28,662,716

Security key

032724106

Report period

Q4 2021

Institutions

132

Top holders

10

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
15/15
Latest evidence
30 Sep 2021
13F Lead comparable stake: 26% Showing 1-6 of 15 holder rows.

Quick read

EcoR1 Capital, LLC leads the comparable SEC ownership view at 26%.

15 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.
Comparable ownership Top 5
EcoR1 Capital, LLC 26%
TANG CAPITAL MANAGEMENT LLC 9.2%
BlackRock Finance, Inc. 6.5%
VANGUARD GROUP INC 6.4%
Boxer Capital, LLC 4.5%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

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
26%
$203,970,000
7,521,024 shares
30 Sep 2021
TANG CAPITAL MANAGEMENT LLC
13F
Company
13F
9.2%
$71,290,000
2,628,678 shares
30 Sep 2021
BlackRock Finance, Inc.
13F
Company
13F
6.5%
$50,746,000
1,871,177 shares
30 Sep 2021
VANGUARD GROUP INC
13F
Company
13F
6.4%
$49,609,000
1,829,230 shares
30 Sep 2021
Boxer Capital, LLC
13F
Company
13F
4.5%
$35,256,000
1,300,000 shares
30 Sep 2021
Woodline Partners LP
13F
Company
13F
3.5%
$27,498,000
1,013,956 shares
30 Sep 2021
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 2021

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

Institutions
132
Shares
27,753,009
Rows available
132
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 2021 vs Q3 2021 Across Filers

Q3 2021 holders
123
Q4 2021 holders
132
Holder diff
9
Investor Q3 2021 Shares Q4 2021 Shares Share Diff Share Chg % Q3 2021 value Q4 2021 value Value change Value Chg %

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

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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