ATEA PHARMACEUTICALS INC AVIR
COM · Common Stock · CUSIP 04683R106 · ISIN US04683R1068
- SectorHealth care
- IndustryPharmaceutical Preparations
- HeadquartersBoston, MA
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Shares outstanding: 83.4m as of 2023-11-07, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $3.00. Options: 6 managers hold calls ($260.4k notional), 4 hold puts ($78.0k).
Trends to Q3 2023
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 126 |
| Q4 2022 | 132 |
| Q1 2023 | 131 |
| Q2 2023 | 134 |
| Q3 2023 | 120 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q4 2022 | 77 | 47 |
| Q1 2023 | 61 | 63 |
| Q2 2023 | 68 | 64 |
| Q3 2023 | 50 | 62 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q4 2022 | $9.8m | $185.4k | 0.02 |
| Q1 2023 | $187.1k | $48.2k | 0.26 |
| Q2 2023 | $340.6k | $246.8k | 0.72 |
| Q3 2023 | $260.4k | $78.0k | 0.30 |
Biggest buyers
| BML Capital Management, LLC | Added | +2.6m |
| Stonepine Capital Management, LLC | Added | +967.9k |
| TANG CAPITAL MANAGEMENT LLC | Added | +573.5k |
| BlackRock Inc. | Added | +482.8k |
| Newtyn Management, LLC | Added | +310.8k |
| TWO SIGMA ADVISERS, LP | Added | +159.3k |
| Diametric Capital, LP | Added | +125.0k |
| SECTORAL ASSET MANAGEMENT INC | Added | +98.9k |
| Vontobel Holding Ltd. | Added | +98.9k |
| Cubist Systematic Strategies, LLC | Added | +98.1k |
Biggest sellers
| FMR LLC | Reduced | -2.0m |
| Cormorant Asset Management, LP | Sold out | -1.5m |
| CITADEL ADVISORS LLC | Reduced | -897.1k |
| FIRST TRUST ADVISORS LP | Sold out | -203.6k |
| MORGAN STANLEY | Reduced | -164.4k |
| TWO SIGMA INVESTMENTS, LP | Reduced | -121.1k |
| HRT FINANCIAL LP | Reduced | -109.9k |
| PRUDENTIAL FINANCIAL INC | Reduced | -101.9k |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Sold out | -101.6k |
| Nebula Research & Development LLC | Sold out | -97.1k |
Biggest calls
| CSS LLC/IL | Added | $147.9k49.3k shares |
| CITADEL ADVISORS LLC | Reduced | $46.8k15.6k shares |
| GROUP ONE TRADING LLC | Reduced | $35.7k11.9k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | New | $30.0k10.0k shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
| SIMPLEX TRADING, LLC | Reduced | $0300 shares |
Biggest puts
| CSS LLC/IL | Reduced | $69.3k23.1k shares |
| CITADEL ADVISORS LLC | Reduced | $8.7k2.9k shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
| SIMPLEX TRADING, LLC | Unchanged | $0100 shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| FMR LLC 13G · institution +3.4 pts · filed 2026-05-06 | 15.0% |
| Sommadossi Jean-Pierre 13G · exempt (held before listing) filed 2025-05-14 | 10.1% |
| BML Investment Partners, L.P. 13G · passive investor +1.4 pts · filed 2026-02-09 | 9.9% |
| BlackRock, Inc. 13G · institution filed 2025-04-23 | 7.1% |
| TANG CAPITAL MANAGEMENT LLC 13G · passive investor new · filed 2026-10-06 | 6.0% |
Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-26)
Insider purchases and sales in Q3 2023
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q4 2021 | 1 | $102.8k | 0 | — | — |
| Q1 2022 | 0 | — | 0 | — | — |
| Q2 2022 | 0 | — | 0 | — | — |
| Q3 2022 | 0 | — | 0 | — | — |
| Q4 2022 | 0 | — | 1 | $214.7k | — |
| Q1 2023 | 0 | — | 0 | — | — |
| Q2 2023 | 0 | — | 0 | — | — |
| Q3 2023 | 0 | — | 0 | — | — |
None reported in Q3 2023.
Holders, Q3 2023
| Manager | Shares | Change |
|---|---|---|
| BlackRock Inc. 0.00% of their portfolio | 8.2m $24.6m | Added +482.8k |
| EcoR1 Capital, LLC 0.71% of their portfolio | 7.0m $21.0m | Unchanged |
| FMR LLC 0.00% of their portfolio | 6.5m $19.4m | Reduced -2.0m |
| BML Capital Management, LLC 13.28% of their portfolio | 4.8m $14.4m | Added +2.6m |
| VANGUARD GROUP INC 0.00% of their portfolio | 4.6m $13.7m | Added +55.8k |
| TANG CAPITAL MANAGEMENT LLC 1.52% of their portfolio | 3.6m $10.8m | Added +573.5k |
| Bain Capital Life Sciences Investors, LLC 0.83% of their portfolio | 2.5m $7.5m | Unchanged |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 1.7m $5.2m | Added +80.7k |
| Stonepine Capital Management, LLC 1.71% of their portfolio | 1.7m $5.2m | Added +967.9k |
| STATE STREET CORP 0.00% of their portfolio | 1.5m $4.5m | Reduced -27.1k |
| RENAISSANCE TECHNOLOGIES LLC 0.01% of their portfolio | 1.4m $4.1m | Reduced -8.8k |
| Tyrus Capital S.A.M. 35.90% of their portfolio | 1.3m $3.8m | Unchanged |
| ACADIAN ASSET MANAGEMENT LLC 0.01% of their portfolio | 987.9k $3.0m | Reduced -8.4k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 666.2k $2.0m | Added +19.4k |
| FEDERATED HERMES, INC. 0.00% of their portfolio | 608.8k $1.8m | Reduced -5.2k |
| SECTORAL ASSET MANAGEMENT INC 0.35% of their portfolio | 600.5k $1.8m | Added +98.9k |
| Vontobel Holding Ltd. 0.02% of their portfolio | 600.5k $1.8m | Added +98.9k |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 584.7k $1.8m | Reduced -897.1k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 582.2k $1.7m | Added +8.3k |
| JACOBS LEVY EQUITY MANAGEMENT, INC 0.01% of their portfolio | 553.4k $1.7m | Reduced -11.4k |
| Newtyn Management, LLC 0.30% of their portfolio | 400.0k $1.2m | Added +310.8k |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.03% of their portfolio | 379.9k $1.1m | Unchanged |
| BANQUE PICTET & CIE SA 0.01% of their portfolio | 345.1k $1.0m | Unchanged |
| Bank of New York Mellon Corp 0.00% of their portfolio | 321.4k $964.2k | Added +103 |
| Nuveen Asset Management, LLC 0.00% of their portfolio | 289.5k $868.5k | Reduced -2.6k |
| GSA CAPITAL PARTNERS LLP 0.07% of their portfolio | 278.3k $835.0k | Added +82.2k |
| CM Management, LLC 0.88% of their portfolio | 275.0k $825.0k | Added +25.0k |
| MORGAN STANLEY 0.00% of their portfolio | 265.1k $795.3k | Reduced -164.4k |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 261.0k $783.1k | Reduced -44.7k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio | 217.9k $653.6k | Reduced -87.4k |
| Invesco Ltd. 0.00% of their portfolio | 212.1k $636.3k | Added +1.6k |
| TWO SIGMA ADVISERS, LP 0.00% of their portfolio | 205.9k $617.7k | Added +159.3k |
| Diametric Capital, LP 0.25% of their portfolio | 200.0k $600.0k | Added +125.0k |
| Auour Investments LLC 0.23% of their portfolio | 177.0k $534.5k | Unchanged |
| RBF Capital, LLC 0.03% of their portfolio | 152.4k $457.2k | Reduced -6.2k |
| Cubist Systematic Strategies, LLC 0.01% of their portfolio | 139.1k $417.2k | Added +98.1k |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 134.3k $402.9k | Reduced -6.7k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 124.6k $373.9k | Unchanged |
| Acuitas Investments, LLC 0.22% of their portfolio | 123.4k $370.3k | Reduced -3 |
| STATE OF WISCONSIN INVESTMENT BOARD 0.00% of their portfolio | 123.2k $369.6k | Reduced -34.9k |
| PRUDENTIAL FINANCIAL INC 0.00% of their portfolio | 114.0k $342.0k | Reduced -101.9k |
| New York Life Investment Management LLC 0.00% of their portfolio | 106.3k $318.8k | Reduced -16.7k |
| STRS OHIO 0.00% of their portfolio | 100.7k $302.0k | Unchanged |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 96.4k $289.3k | Reduced -6.1k |
| DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio | 92.4k $277.1k | Unchanged |
| Connor, Clark & Lunn Investment Management Ltd. 0.00% of their portfolio | 91.0k $272.9k | Added +2.8k |
| HRT FINANCIAL LP 0.00% of their portfolio | 71.1k $213.0k | Reduced -109.9k |
| MACQUARIE GROUP LTD 0.00% of their portfolio | 70.0k $210.0k | Unchanged |
| D. E. Shaw & Co., Inc. 0.00% of their portfolio | 69.9k $209.8k | Reduced -13.5k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 68.4k $205.2k | Added +5.5k |
| PRELUDE CAPITAL MANAGEMENT, LLC 0.02% of their portfolio | 64.2k $192.6k | Added +40.1k |
| ALPS ADVISORS INC 0.00% of their portfolio | 61.6k $184.7k | Added +271 |
| UBS Group AG 0.00% of their portfolio | 57.0k $171.1k | Reduced -41.8k |
| AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio | 55.9k $167.7k | Added +21.5k |
| TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio | 54.1k $162.3k | Reduced -121.1k |
| ALGERT GLOBAL LLC 0.01% of their portfolio | 50.5k $151.5k | Added +2.2k |
| Anson Funds Management LP 0.04% of their portfolio | 50.0k $150.0k | Unchanged |
| Shay Capital LLC 0.04% of their portfolio | 48.6k $145.9k | Added +14.0k |
| MetLife Investment Management, LLC 0.00% of their portfolio | 47.2k $141.7k | Unchanged |
| MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio | 43.4k $130.2k | Reduced -24.4k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 42.2k $127.0k | Added +1.0k |
| AMERIPRISE FINANCIAL INC 0.00% of their portfolio | 41.9k $125.7k | Reduced -7.2k |
| Squarepoint Ops LLC 0.00% of their portfolio | 41.3k $123.9k | Added +22.1k |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 40.3k $121.0k | Added +3.0k |
| Qube Research & Technologies Ltd 0.00% of their portfolio | 39.6k $118.8k | Added +6.8k |
| PINEBRIDGE INVESTMENTS, L.P. 0.00% of their portfolio | 38.3k $115.0k | New |
| AMERICAN INTERNATIONAL GROUP, INC. 0.00% of their portfolio | 38.3k $114.8k | Added +1.4k |
| NORGES BANK 0.00% of their portfolio | 36.2k $108.6k | Reduced -700 |
| SG Americas Securities, LLC 0.00% of their portfolio | 34.5k $103.0k | New |
| VOYA INVESTMENT MANAGEMENT LLC 0.00% of their portfolio | 33.3k $99.9k | Reduced -29.6k |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio | 33.0k $99.0k | Added +46 |
| PRINCIPAL FINANCIAL GROUP INC 0.00% of their portfolio | 30.4k $91.2k | Added +4.6k |
| AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 30.4k $91.1k | Reduced -3.2k |
| Mirae Asset Global Investments Co., Ltd. 0.00% of their portfolio | 29.9k $89.8k | Added +73 |
| ExodusPoint Capital Management, LP 0.00% of their portfolio | 28.9k $87.0k | Reduced -13.4k |
| BARCLAYS PLC 0.00% of their portfolio | 25.6k $76.9k | Added +10.3k |
| Marquette Asset Management, LLC 0.02% of their portfolio | 24.9k $74.6k | Unchanged |
| VIRTUS ADVISERS, LLC 0.04% of their portfolio | 24.2k $72.5k | Reduced -2.4k |
| Verition Fund Management LLC 0.00% of their portfolio | 23.0k $68.9k | New |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.00% of their portfolio | 22.0k $66.0k | Added +250 |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 19.5k $58.4k | Reduced -10.2k |
| PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 0.00% of their portfolio | 18.0k $54.0k | Unchanged |
| DENALI ADVISORS LLC 0.02% of their portfolio | 18.0k $54.0k | Unchanged |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 16.9k $50.7k | Reduced -8.6k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio | 16.5k $49.5k | Added +207 |
| Pinnacle Wealth Planning Services, Inc. 0.01% of their portfolio | 16.2k $48.6k | New |
| PEAPACK GLADSTONE FINANCIAL CORP 0.00% of their portfolio | 15.9k $48.0k | Reduced -750 |
| ProShare Advisors LLC 0.00% of their portfolio | 15.4k $46.2k | Added +45 |
| JANE STREET GROUP, LLC 0.00% of their portfolio | 14.8k $44.4k | Reduced -42.3k |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 14.0k $42.0k | Added +6.0k |
| Tower Research Capital LLC (TRC) 0.00% of their portfolio | 13.3k $39.9k | Added +7.6k |
| HSBC HOLDINGS PLC 0.00% of their portfolio | 12.1k $36.0k | New |
| CSS LLC/IL 0.00% of their portfolio | 11.0k $33.0k | Reduced -2.6k |
| BLAIR WILLIAM & CO/IL 0.00% of their portfolio | 10.4k $31.3k | Reduced -5 |
| Integrated Wealth Concepts LLC 0.00% of their portfolio | 10.0k $30.0k | Unchanged |
| OSAIC HOLDINGS, INC. 0.00% of their portfolio | 9.2k $27.5k | Added +2.0k |
| Blue Trust, Inc. 0.00% of their portfolio | 8.7k $33.0k | Unchanged |
| Gladius Capital Management LP 0.01% of their portfolio | 8.6k $25.7k | Added +4.3k |
| AMALGAMATED BANK 0.00% of their portfolio | 7.6k $23.0k | Unchanged |
| Quantbot Technologies LP 0.00% of their portfolio | 7.2k $21.7k | Reduced -6.2k |