ATEA PHARMACEUTICALS INC (AVIR) Institutional Ownership Changes & 13F Activity
ATEA PHARMACEUTICALS INC (AVIR). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Fmr Llc, Two Sigma Investments, Lp, Millennium Management Llc, Irenic Capital Management Lp, and Wellington Management Group Llp.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Mirae Asset Global Investments Co., Ltd. | Buy | +279 | +7.3% | 4,075 | $21.92K | Q1 2026 | Aug 12, 2026 |
| Wells Fargo & Company/Mn | Sell | -53,025 | -66.5% | 26,769 | $144.02K | Q1 2026 | Jul 08, 2026 |
| Irenic Capital Management Lp | Buy | +301,699 | — | 301,699 | $1.62M | Q1 2026 | May 18, 2026 |
| Bank Of America Corp | Sell | -30,154 | -22.2% | 105,640 | $568.34K | Q1 2026 | May 18, 2026 |
| California State Teachers Retirement System | Sell | -524 | -12.0% | 3,846 | $20.69K | Q1 2026 | May 18, 2026 |
| Fmr Llc | Buy | +2,271,776 | +23.5% | 11,950,772 | $64.30M | Q1 2026 | May 15, 2026 |
| Two Sigma Investments, Lp | Buy | +1,118,749 | +150.1% | 1,864,164 | $10.03M | Q1 2026 | May 15, 2026 |
| Millennium Management Llc | Sell | -348,224 | -49.9% | 349,932 | $1.88M | Q1 2026 | May 15, 2026 |
| Wellington Management Group Llp | Sell | -185,831 | -76.5% | 57,009 | $306.71K | Q1 2026 | May 15, 2026 |
| Opaleye Management Inc. | Buy | +142,785 | +79.4% | 322,600 | $1.74M | Q1 2026 | May 15, 2026 |
| Bain Capital Life Sciences Investors, Llc | Sell | -125,000 | -5.0% | 2,360,638 | $12.70M | Q1 2026 | May 15, 2026 |
| Goldman Sachs Group Inc | Buy | +115,941 | +24.5% | 588,463 | $3.17M | Q1 2026 | May 15, 2026 |
| Geode Capital Management, Llc | Sell | -93,295 | -5.1% | 1,747,706 | $9.41M | Q1 2026 | May 15, 2026 |
| State Street Corp | Sell | -89,832 | -5.0% | 1,694,635 | $9.12M | Q1 2026 | May 15, 2026 |
| D. E. Shaw & Co., Inc. | Sell | -85,473 | -18.4% | 379,314 | $2.04M | Q1 2026 | May 15, 2026 |
| Barclays Plc | Sell | -82,044 | -33.8% | 160,946 | $865.89K | Q1 2026 | May 15, 2026 |
| Morgan Stanley | Buy | +74,945 | +11.4% | 731,020 | $3.93M | Q1 2026 | May 15, 2026 |
| Susquehanna International Group, Llp | Buy | +64,679 | +377.0% | 81,835 | $440.27K | Q1 2026 | May 15, 2026 |
| Point72 Asset Management, L.P. | Buy | +55,648 | +87.1% | 119,553 | $643.20K | Q1 2026 | May 15, 2026 |
| Susquehanna Portfolio Strategies, Llc | Buy | +55,487 | — | 55,487 | $298.52K | Q1 2026 | May 15, 2026 |
| Empowered Funds, Llc | Buy | +49,469 | — | 49,469 | $266.14K | Q1 2026 | May 15, 2026 |
| Squarepoint Ops Llc | Buy | +35,787 | +185.3% | 55,098 | $296.43K | Q1 2026 | May 15, 2026 |
| Rangeley Capital, Llc | Sell | -33,500 | -41.9% | 46,500 | $250.17K | Q1 2026 | May 15, 2026 |
| Aqr Capital Management Llc | Buy | +31,811 | +222.5% | 46,109 | $248.07K | Q1 2026 | May 15, 2026 |
| Nano Cap New Millennium Growth Fund L P | Sell | -17,500 | -35.0% | 32,500 | $174.85K | Q1 2026 | May 15, 2026 |
| Quantinno Capital Management Lp | Buy | +15,950 | — | 15,950 | $85.81K | Q1 2026 | May 15, 2026 |
| Xtx Topco Ltd | Buy | +12,702 | +121.7% | 23,141 | $124.50K | Q1 2026 | May 15, 2026 |
| Two Sigma Securities, Llc | Buy | +12,131 | — | 12,131 | $65.27K | Q1 2026 | May 15, 2026 |
| Charles Schwab Investment Management Inc | Sell | -11,083 | -1.8% | 596,709 | $3.21M | Q1 2026 | May 15, 2026 |
| Price T Rowe Associates Inc | Buy | +9,242 | +9.5% | 106,562 | $574.00K | Q1 2026 | May 15, 2026 |
Frequently asked questions about AVIR activity
Which institutional owners are buying AVIR?
Institutional owners buying AVIR include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in AVIR activity?
"Buy" means an investor increased their reported position in AVIR compared to the prior reporting period. This reflects growing exposure to ATEA PHARMACEUTICALS INC (AVIR) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in AVIR increasing?
Institutional interest in AVIR can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related AVIR Institutional Insights
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- AVIR Insider Trading & SEC Form 4 Activity
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