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AVIR · NASDAQ · Biotechnology

Atea Pharmaceuticals (AVIR)

Develops oral antiviral candidates for HCV and HEV infections.

$5.73
Pre-market+0.03 (+0.44%)
At close$5.71(+3.92%)
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Breakdown13F · 13D/G · Form 4

Institutions127 holders · as of Jun 30, 202675.74%60.74M shares
Insiders13 holders · as of Jun 23, 202610.84%8.70M shares
Otherremainder13.42%10.76M shares

80.20M company shares as of Sep 3, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing

Top shareholders13F · 13D/G · Form 4

HolderStakeSharesEvidence
FMR LLCInstitution
14.97%12.00M13Fas of Jun 30, 2026
BlackRock, Inc.Institution
10.87%8.72M13Fas of Jun 30, 2026
BML Investment Partners, L.P.Institution
9.34%7.49M13Gfiled Feb 9, 2026 ↗
BML Capital Management, LLCInstitution
8.67%6.95M13Fas of Jun 30, 2026
Jean-Pierre Sommadossi1Insiderdirector, officer: President, CEO, and Chairman
7.90%5.87M13Gfiled Feb 3, 2026 ↗
Tang Capital Management LLCInstitution
6.00%4.81M13Fas of Jun 30, 2026
Bain Capital Life Sciences Fund II, L.P.Institution
5.96%4.78M13Dfiled Nov 12, 2020 ↗
Vanguard Capital Management LLCInstitution
3.70%2.96M13Fas of Jun 30, 2026
Bain Capital Life Sciences Investors, LLCInstitution
2.59%2.08M13Fas of Jun 30, 2026
Acadian Asset Management LLCInstitution
2.54%2.04M13Fas of Jun 30, 2026
Geode Capital Management, LLCInstitution
2.44%1.96M13Fas of Jun 30, 2026
State Street CorpInstitution
2.06%1.65M13Fas of Jun 30, 2026
Two Sigma Investments, LPInstitution
1.88%1.51M13Fas of Jun 30, 2026
Dimensional Fund Advisors LPInstitution
1.62%1.30M13Fas of Jun 30, 2026
Renaissance Technologies LLCInstitution
1.41%1.13M13Fas of Jun 30, 2026
Rosalind Advisors, Inc.Institution
1.33%1.07M13Fas of Jun 30, 2026
JPMorgan Chase & CoInstitution
1.18%945,91813Fas of Jun 30, 2026
Andrea CorcoranInsiderofficer: See Remarks
1.03%823,576Form 4filed Mar 13, 2026 ↗
Northern Trust CorpInstitution
0.94%755,23913Fas of Jun 30, 2026
Morgan StanleyInstitution
0.90%719,51413Fas of Jun 30, 2026
Curated Wealth Partners LLCInstitution
0.87%695,00013Fas of Jun 30, 2026
Vanguard Portfolio Management LLCInstitution
0.79%630,18513Fas of Jun 30, 2026
Charles Schwab Investment Management IncInstitution
0.76%610,60713Fas of Jun 30, 2026
Sixth Street Partners Management Company, L.P.Institution
0.76%610,60713Fas of Jun 30, 2026
Franklin M. BergerInsiderdirector
0.67%536,097Form 4filed Jun 23, 2026 ↗
  1. Jean-Pierre Sommadossi's transaction reports restate only vehicles that traded; the 2025 ownership statement (5.87M) plus the 466.9K net shares acquired since is used instead.

13F — a manager's quarterly holdings · 13D/13G — an ownership statement filed at 5% or more · Form 4 — an insider's transaction report

Institutions13F, as of Jun 30, 2026

127 holders · 60.74M shares · 20 new positions · 67 increased · 37 reduced · 21 closed

HolderShares% outstandingChg q/qFiled
FMR LLC12.00M14.97%+53.3KAug 13, 2026
BlackRock, Inc.8.72M10.87%+284.6KAug 7, 2026
BML Capital Management, LLC6.95M8.67%−106.3KAug 7, 2026
Tang Capital Management LLC4.81M6.00%0Aug 14, 2026
Vanguard Capital Management LLC2.96M3.70%−281.3KAug 13, 2026
Bain Capital Life Sciences Investors, LLC2.08M2.59%−285.0KAug 14, 2026
Acadian Asset Management LLC2.04M2.54%+452.4KAug 13, 2026
Geode Capital Management, LLC1.96M2.44%+210.7KAug 12, 2026

Ownership statements13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
FMR LLC15.00%11.95M13GMay 6, 2026 ↗
BML Investment Partners, L.P.9.60%7.49M13GFeb 9, 2026 ↗
BlackRock, Inc.7.10%6.08M13GApr 23, 2025 ↗
JPM Partners LLC6.90%5.87M13GMay 14, 2025 ↗

Insider tradesForm 4

Latest trades

DateInsiderTypeSharesAvg priceOwned after
May 18, 2026
Polly A. Murphydirector
Purchase6,100$4.1792,145
May 18, 2025
Polly A. Murphydirector
Purchase6,100$4.1792,145

CongressHouse and Senate disclosures

Not reported.