Security key
03589W102
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 36,208,873
- Total 13F value
- $904,277,496
- Share change
- -588,679
- SEC-reported price per share
- $25.03
- Number of holders
- 70
- Value change
- -$17,927,945
- Number of buys
- 45
- Number of sells
- 24
- Shares outstanding
- 164,103,513
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2020
Institutions
70
Top holders
10
ANNX full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
Annexon, Inc. SEC filings
Annexon, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 03589W102
Recent filing periods:
Ownership snapshot
Top reported holders of ANNX - Annexon, Inc. - Common Stock (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
Redmile Group, LLC
Disclosed value leader
Redmile Group, LLC
Comparable rows
15/15
Latest evidence
30 Sep 2020
13F
Lead comparable stake: 2.1%
Showing 1-6 of 15 holder rows.
Quick read
Redmile Group, LLC leads the comparable SEC ownership view at 2.1%.
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 Redmile Group, LLC's linked filing trail.
Comparable ownership
Top 5
Redmile Group, LLC
2.1%
Bain Capital Life Sciences Invest...
2%
Blackstone Inc.
1.7%
BlackRock Finance, Inc.
1.6%
NEA Management Company, LLC
1.5%
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 |
|---|---|---|---|---|---|
| Redmile Group, LLC |
13F
Company
|
2.1%
|
$104,055,000
3,442,122 shares
|
— | 30 Sep 2020 |
| Bain Capital Life Sciences Investors, LLC |
13F
Company
|
2%
|
$97,994,000
3,241,628 shares
|
— | 30 Sep 2020 |
| Blackstone Inc. |
13F
Company
|
1.7%
|
$82,547,000
2,730,635 shares
|
— | 30 Sep 2020 |
| BlackRock Finance, Inc. |
13F
Company
|
1.6%
|
$79,077,000
2,615,829 shares
|
— | 30 Sep 2020 |
| NEA Management Company, LLC |
13F
Company
|
1.5%
|
$75,504,000
2,497,661 shares
|
— | 30 Sep 2020 |
| FMR LLC |
13F
Company
|
1.3%
|
$66,679,000
2,205,756 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
70
Shares
36,208,873
Rows available
70
| 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
65
Q4 2020 holders
70
Holder diff
5
| 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