Atea Pharmaceuticals, Inc.
AVIR- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001593899
No open-market purchases or sales by Atea Pharmaceuticals, Inc. insiders were filed in the last 90 days; 124 institutions reported holding it in 13F filings for Q2 2026, worth $276.4M in total; no superinvestor holds it.
Holders of 5% or more of AVIR
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Atea Pharmaceuticals, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| FMR LLC | 13G/A | 11.60%9.10M shares | +4.90 ppfrom 6.70% | Aug 6, 20252 filings | Dec 5, 2025 | SEC |
| Sommadossi Jean-Pierre | 13G/A | 10.10%8.88M shares | – | May 14, 20251 filing | May 14, 2025 | SEC |
| BML Investment Partners, L.P. | 13D | 8.50%7.22M shares | New | Dec 16, 20241 filing | Dec 16, 2024 | SEC |
| BlackRock, Inc. | 13G/A | 7.10%6.08M shares | – | Apr 23, 20251 filing | Apr 23, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
10 Schedule 13D and 13G filings on Atea Pharmaceuticals, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Mar 26, 20264:11 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | –Below 5% | Mar 13, 2026 | SEC |
| Dec 5, 20252:03 PM ET | FMR LLCand 1 other | 13G/A | 11.60%9.10M shares | +4.90 ppfrom 6.70% | Nov 28, 2025 | SEC |
| Aug 6, 202511:51 AM ET | FMR LLCand 1 other | 13G/A | 6.70%5.72M shares | – | Jun 30, 2025 | SEC |
| May 14, 20256:21 PM ET | Sommadossi Jean-Pierreand 1 other | 13G/A | 10.10%8.88M shares | – | Mar 31, 2025 | SEC |
| Apr 23, 20258:14 PM ET | BlackRock, Inc. | 13G/A | 7.10%6.08M shares | – | Mar 31, 2025 | SEC |
| Apr 17, 202512:23 PM ET | Radoff Bradley Louisand 9 others | 13D/A | 4.00%3.38M shares | +0.40 ppfrom 3.60%Below 5% | Apr 16, 2025 | SEC |
| Mar 21, 202511:58 AM ET | Radoff Bradley Louisand 9 others | 13D/A | 3.60%3.11M shares | +0.30 ppfrom 3.30%Below 5% | Mar 20, 2025 | SEC |
| Mar 4, 20259:27 AM ET | Radoff Bradley Louisand 5 others | 13D | 3.30%2.82M shares | NewBelow 5% | Feb 27, 2025 | SEC |
| Feb 14, 202512:47 PM ET | EcoR1 Capital, LLCand 2 others | 13G/A | 4.00%3.34M shares | –Below 5% | Dec 31, 2024 | SEC |
| Dec 16, 20249:50 AM ET | BML Investment Partners, L.P.and 1 other | 13D | 8.50%7.22M shares | New | Dec 13, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Atea Pharmaceuticals, Inc. shares.
No Form 144 notices for Atea Pharmaceuticals, Inc. are on file.