What does CUSIP 03589W102 represent in this 13F holders report?

CUSIP 03589W102 is the security identifier for ANNX - Annexon, Inc. - Common Stock, par value $0.001 per share used to aggregate holder disclosures.

How many institutions held ANNX - Annexon, Inc. - Common Stock, par value $0.001 per share in Q4 2022?

81 institutional investors reported ANNX - Annexon, Inc. - Common Stock, par value $0.001 per share for Q4 2022. Use the holders table for investor-level position and value details.

Annexon, Inc. - Common Stock, par value $0.001 per share (ANNX)

CUSIP: 03589W102

Q4 2022 13F Holders as of 31 Dec 2022

Security type / class: Equity / Common Stock, par value $0.001 per share
Total 13F shares: 47,049,561
Total 13F value: $243,269,266
Share change: +774,785
Put/Call ratio: 46%
SEC-reported price per share: $5.17
Number of holders: 81
Value change: +$3,854,655
Number of buys: 39
Number of sells: 25
Shares outstanding: 161,077,278

Security key

03589W102

Report period

Q4 2022

Institutions

Top holders

ANNX full security history Ownership snapshot Full 13F holder table Newer quarter: Q1 2023 Previous quarter: Q3 2022 Annexon, Inc. SEC filings Annexon, Inc. company facts

Broader feeds

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

Reporting periods

Holder history for CUSIP 03589W102

Newer quarter: Q1 2023 Previous quarter: Q3 2022

Recent filing periods:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Ownership snapshot

Top reported holders of ANNX - Annexon, 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

Alerce Investment Managem...

Disclosed value leader

Alerce Investment Managem...

Comparable rows

15/15

Latest evidence

30 Sep 2022

13F Lead comparable stake: 2.7% Showing 1-6 of 15 holder rows.

Quick read

Alerce Investment Management, L.P. leads the comparable SEC ownership view at 2.7%.

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 Alerce Investment Management, L.P.'s linked filing trail.

Comparable ownership Top 5

Alerce Investment Management, L.P. 2.7%

BVF INC/IL 2.3%

EVENTIDE ASSET MANAGEMENT, LLC 2.3%

Bain Capital Life Sciences Invest... 2.2%

ADAGE CAPITAL PARTNERS GP, L.L.C. 2.2%

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
Alerce Investment Management, L.P.	13F Company 13F	2.7%	$27,247,000 4,408,966 shares	—	30 Sep 2022
BVF INC/IL	13F Company 13F	2.3%	$23,365,000 3,780,694 shares	—	30 Sep 2022
EVENTIDE ASSET MANAGEMENT, LLC	13F Company 13F	2.3%	$22,412,000 3,626,508 shares	—	30 Sep 2022
Bain Capital Life Sciences Investors, LLC	13F Company 13F	2.2%	$22,260,000 3,601,926 shares	—	30 Sep 2022
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F Company 13F	2.2%	$22,205,000 3,592,975 shares	—	30 Sep 2022
Redmile Group, LLC	13F Company 13F	2.2%	$21,650,000 3,503,190 shares	—	30 Sep 2022

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 2022

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

Institutions

47,049,561

Rows available

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 2022 vs Q3 2022 Across Filers

Q3 2022 holders

Q4 2022 holders

Holder diff

Investor	Q3 2022 Shares	Q4 2022 Shares	Share Diff	Share Chg %	Q3 2022 value	Q4 2022 value	Value change	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend