Latest Period
Q1 2026
CUSIP: 04683R106
Latest Period
Q1 2026
Institutions Reporting
127
Shares (Excl. Options)
60,096,375
Price
$5.38
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Latest holder context comes from 127 institutions filings for Q1 2026.
Security key
04683R106
Latest holder period
Q1 2026
13F holders
127
13D/G owners
6
CIK / CUSIP context first
Broader feeds
Open recent reporting periods for CUSIP 04683R106:
13D/G owners
Large-stake holder rows connected to Schedule 13D/G evidence.
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| FMR LLC | 15% | +28% | $68,238,907 | +$16,302,575 | 11,950,772 | +31% | FMR LLC | 31 Mar 2026 |
| Sommadossi Jean-Pierre | 10% | $26,185,536 | 8,876,453 | Jean-Pierre Sommadossi | 31 Mar 2025 | |||
| BML Investment Partners, L.P. | 9.9% | +16% | $27,881,700 | +$2,119,466 | 7,810,000 | +8.2% | Leonard Braden Michael | 31 Dec 2025 |
| BlackRock, Inc. | 7.1% | $17,942,932 | 6,082,350 | BlackRock, Inc. | 31 Mar 2025 | |||
| Radoff Bradley Louis | 4% | +10% | $9,971,295 | +$811,250 | 3,380,100 | +8.9% | Radoff Bradley Louis | 16 Apr 2025 |
| EcoR1 Capital, LLC | 4% | $9,857,876 | 3,341,653 | EcoR1 Capital, LLC | 31 Dec 2024 |
As of 31 Mar 2026, 127 institutional investors reported holding 60,096,375 shares of Atea Pharmaceuticals, Inc. - COMMON STOCK (AVIR). This represents 75% of the company’s total 79,671,812 outstanding shares.
13F concentration
Largest 13F positions for this security by reported shares and value.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| FMR LLC | 15% | 11,950,772 | +23% | 0% | $64,295,153 |
| BlackRock, Inc. | 11% | 8,435,437 | -0.66% | 0% | $45,382,652 |
| BML Capital Management, LLC | 8.9% | 7,058,657 | -5.8% | 24% | $37,975,575 |
| TANG CAPITAL MANAGEMENT LLC | 6% | 4,814,700 | 0% | 1.3% | $25,903,086 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.1% | 3,246,124 | 0% | 0% | $17,464,147 |
| Bain Capital Life Sciences Investors, LLC | 3% | 2,360,638 | -5% | 1.1% | $12,700,232 |
| TWO SIGMA INVESTMENTS, LP | 2.3% | 1,864,164 | +150% | 0.01% | $10,029,202 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.2% | 1,747,706 | -5.1% | 0% | $9,405,012 |
| STATE STREET CORP | 2.1% | 1,694,635 | -5% | 0% | $9,117,136 |
| ACADIAN ASSET MANAGEMENT LLC | 2% | 1,582,817 | +21% | 0.01% | $8,508,000 |
| DIMENSIONAL FUND ADVISORS LP | 1.6% | 1,255,484 | -8.6% | 0% | $6,752,650 |
| Rosalind Advisors, Inc. | 1.5% | 1,171,855 | 2.6% | $6,304,580 | |
| RENAISSANCE TECHNOLOGIES LLC | 1.5% | 1,166,400 | -1.9% | 0.01% | $6,275,232 |
| JPMORGAN CHASE & CO | 1.2% | 940,157 | -30% | 0% | $4,775,998 |
| MORGAN STANLEY | 0.92% | 731,019 | +11% | 0% | $3,932,882 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.75% | 596,709 | -1.8% | 0% | $3,210,294 |
| GOLDMAN SACHS GROUP INC | 0.74% | 588,463 | +25% | 0% | $3,165,931 |
| NORTHERN TRUST CORP | 0.73% | 585,025 | +4.4% | 0% | $3,147,435 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 0.7% | 557,579 | 0% | 0% | $2,999,775 |
| VANGUARD FIDUCIARY TRUST CO | 0.61% | 484,705 | 0% | 0% | $2,607,713 |
| JANE STREET GROUP, LLC | 0.53% | 418,296 | +67% | 0% | $2,250,432 |
| D. E. Shaw & Co., Inc. | 0.48% | 379,314 | -18% | 0% | $2,040,710 |
| CM Management, LLC | 0.45% | 355,000 | 0% | 1.6% | $1,909,900 |
| MILLENNIUM MANAGEMENT LLC | 0.44% | 349,932 | -50% | 0% | $1,882,634 |
| BANQUE PICTET & CIE SA | 0.43% | 345,077 | 0% | 0.02% | $1,856,514 |
Quarter history
Holder count, reported shares/value, and median price by quarter.
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 60,096,375 | $322,768,077 | +$18,119,687 | $5.38 | 127 |
| 2025 Q4 | 57,001,968 | $203,464,380 | +$14,036,645 | $3.57 | 111 |
| 2025 Q3 | 53,140,830 | $154,099,223 | +$874,820 | $2.90 | 112 |
| 2025 Q2 | 52,688,325 | $189,687,193 | -$496,611 | $3.60 | 105 |
| 2025 Q1 | 52,943,893 | $158,295,789 | -$11,408,006 | $2.99 | 102 |
| 2024 Q4 | 56,328,149 | $188,651,399 | -$6,772,701 | $3.35 | 103 |
| 2024 Q3 | 57,907,511 | $193,998,567 | +$4,533,749 | $3.35 | 105 |
| 2024 Q2 | 56,687,549 | $187,637,646 | +$7,123,002 | $3.31 | 101 |
| 2024 Q1 | 54,332,807 | $219,504,800 | -$1,664,806 | $4.04 | 112 |
| 2023 Q4 | 55,088,379 | $168,248,591 | -$1,691,841 | $3.05 | 106 |
| 2023 Q3 | 56,849,245 | $170,555,234 | -$2,209,314 | $3.00 | 117 |
| 2023 Q2 | 57,041,241 | $213,289,848 | +$971,494 | $3.74 | 131 |
| 2023 Q1 | 56,778,720 | $190,176,002 | -$5,878,803 | $3.35 | 128 |
| 2022 Q4 | 57,878,556 | $278,395,526 | -$5,016,357 | $4.81 | 130 |
| 2022 Q3 | 57,466,718 | $326,999,436 | -$1,731,457 | $5.69 | 115 |
| 2022 Q2 | 57,566,762 | $408,727,109 | +$19,469,875 | $7.10 | 122 |
| 2022 Q1 | 54,946,542 | $396,539,427 | +$6,369,699 | $7.22 | 121 |
| 2021 Q4 | 53,581,427 | $478,985,081 | -$368,375,568 | $8.94 | 134 |
| 2021 Q3 | 56,840,788 | $1,992,582,650 | -$21,707,203 | $35.06 | 137 |
| 2021 Q2 | 58,896,806 | $1,265,508,812 | +$160,923,836 | $21.48 | 100 |
| 2021 Q1 | 47,389,412 | $2,914,493,173 | +$30,510,569 | $61.75 | 78 |
| 2020 Q4 | 49,910,976 | $2,070,766,859 | +$1,819,869,860 | $41.78 | 69 |