Security key
04683R106
Atea Pharmaceuticals, Inc. - COMMON STOCK (AVIR)
CUSIP: 04683R106
Q4 2025 13F Holders as of 31 Dec 2025
- Security type / class
- Equity / COMMON STOCK
- Total 13F shares
- 57,001,968
- Total 13F value
- $203,464,380
- Share change
- +3,803,022
- SEC-reported price per share
- $3.57
- Number of holders
- 111
- Value change
- +$14,036,645
- Number of buys
- 37
- Number of sells
- 53
- Shares outstanding
- 79,671,812
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2025
Institutions
111
Top holders
10
AVIR full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
Atea Pharmaceuticals, Inc. SEC filings
Atea Pharmaceuticals, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 04683R106
Recent filing periods:
Ownership snapshot
Top reported holders of AVIR - Atea Pharmaceuticals, 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
Jean-Pierre Sommadossi
Disclosed value leader
BML Investment Partners, ...
Comparable rows
15/15
Latest evidence
31 Dec 2025
13D/G
13F
Lead comparable stake: 10%
13D/G row: Jean-Pierre Sommadossi
Showing 1-6 of 15 holder rows.
Quick read
Jean-Pierre Sommadossi leads the comparable SEC ownership view at 10%.
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 Jean-Pierre Sommadossi's linked filing trail.
Comparable ownership
Top 5
Jean-Pierre Sommadossi
10%
BML Investment Partners, L.P.
9.9%
BlackRock, Inc.
7.1%
Bradley L. Radoff
4%
EcoR1 Capital, LLC
4%
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 |
|---|---|---|---|---|---|
| Jean-Pierre Sommadossi |
13D/G
|
10%
|
$26,185,536
8,876,453 shares
|
$0 | 31 Mar 2025 |
| BML Investment Partners, L.P. |
13D/G
Leonard Braden Michael
|
9.9%
|
$27,881,700
7,810,000 shares
|
+$2,119,466 | 31 Dec 2025 |
| BlackRock, Inc. |
13F
13D/G
Company
|
7.1%
from 13D/G
|
$24,531,739
8,459,220 shares
|
— | 30 Sep 2025 |
| Bradley L. Radoff |
13D/G
Radoff Bradley Louis
|
4%
|
$9,971,295
3,380,100 shares
|
+$811,250 | 16 Apr 2025 |
| EcoR1 Capital, LLC |
13D/G
|
4%
|
$9,857,876
3,341,653 shares
|
$0 | 31 Dec 2024 |
| BML Capital Management, LLC |
13F
Company
|
9.4%
|
$21,674,493
7,473,963 shares
|
— | 30 Sep 2025 |
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 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
111
Shares
57,001,968
Rows available
111
| 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 2025 vs Q3 2025 Across Filers
Q3 2025 holders
112
Q4 2025 holders
111
Holder diff
-1
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 value | Q4 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend