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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.

Q4 2025 vs. Q3 2025

How the institutions holding Atea Pharmaceuticals, Inc. changed between Q3 2025 and Q4 2025.

All holders in Q4 2025All holders in Q3 2025

13F holders of AVIR: Q3 2025 compared with Q4 2025
MeasureQ3 2025Of which not filed for Q4 2025Q4 2025Change
Holders1153111−1
Shares53.2M106.4K57.0M+3.94M (+7.4%)
Value$154.2M$308.7K$203.5M+$49.6M (+32.2%)

3 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (11)

Institutions that held Atea Pharmaceuticals, Inc. at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to AVIR in Q4 2025
InstitutionSharesValue% of portfolio
Opaleye Management Inc.179,815$641.9K0.08%
Aldebaran Capital, LLC90,529$323.2K0.29%
Nomura Asset Management International Inc.70,000$250.0K0.00%
Point72 Asset Management, L.P.63,905$228.1K0.00%
Deutsche Bank AG52,714$188.2K0.00%
Nano Cap New Millennium Growth Fund L P50,000$178.5K0.15%
Schonfeld Strategic Advisors LLC45,921$163.9K0.00%
Squarepoint Ops LLC19,311$68.9K0.00%
RFG Advisory, LLC14,875$53.1K0.00%
Smartleaf Asset Management LLC3,300$11.7K0.00%
Rockefeller Capital Management L.P.940$3.36K0.00%

Sold out (12)

Institutions that held Atea Pharmaceuticals, Inc. at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of AVIR in Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
Newtyn Management, LLC492,284$1.43M
Macquarie Group Ltd70,000$203.0K
Brevan Howard Capital Management LP29,450$85.4K
Algert Global LLC28,199$81.8K
Bluefin Capital Management, LLC24,216$70.2K
Ameriprise Financial Inc22,618$65.6K
Public Employees Retirement System of Ohio16,100$46.7K
Shay Capital LLC14,466$42.0K
Prudential Financial Inc10,135$29.4K
Allworth Financial LP63$183
Covestor Ltd93$0
Cloud Capital Management, LLC59$0

Not filed for Q4 2025 yet (3)

Institutions that held Atea Pharmaceuticals, Inc. at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding AVIR in Q3 2025 that haven't filed for Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
Cubist Systematic Strategies, LLC87,774$254.5K
Wolverine Trading, LLC14,982$43.7K
Point72 Asia (Singapore) Pte. Ltd.3,601$10.4K