AVIR Institutional Ownership & Shareholders
ATEA PHARMACEUTICALS INC (AVIR) is currently held by 122 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $277.24M based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.
Fmr Llc is currently the largest disclosed institutional shareholder of AVIR tracked by InsiderSet, reporting ownership valued at approximately $55.82M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $49.34M, representing an estimated loss of -11.61% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 75% of the total disclosed AVIR value among the investors covered in this analysis. Major shareholders include Fmr Llc, Blackrock, Inc., Bml Capital Management, Llc, and several other long-term asset managers with concentrated positions in ATEA PHARMACEUTICALS INC (AVIR).
This page ranks the largest institutional AVIR shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
122
Total Reported Value
$277.24M
Largest Holder
Fmr Llc
Largest Position
$55.82M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
124
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Fmr Llc | 0.00% | 12,004,064 | $55,818,898 | $49,336,703 | -$6,482,195 | -11.61% | |
| Blackrock, Inc. | 0.00% | 8,720,077 | $40,548,360 | $35,839,516 | -$4,708,844 | -11.61% | |
| Bml Capital Management, Llc | 18.46% | 6,952,330 | $32,328,335 | $28,574,076 | -$3,754,259 | -11.61% | |
| Tang Capital Management Llc | 1.02% | 4,814,700 | $22,388,355 | $19,788,417 | -$2,599,938 | -11.61% | |
| Vanguard Capital Management Llc | 0.00% | 2,964,862 | $13,786,608 | $12,185,583 | -$1,601,025 | -11.61% | |
| Bain Capital Life Sciences Investors, Llc | 0.57% | 2,075,639 | $9,651,721 | $8,530,876 | -$1,120,845 | -11.61% | |
| Acadian Asset Management Llc | 0.01% | 2,035,192 | $9,455,000 | $8,364,639 | -$1,090,361 | -11.53% | |
| Geode Capital Management, Llc | 0.00% | 1,958,435 | $9,108,898 | $8,049,168 | -$1,059,730 | -11.63% | |
| State Street Corp | 0.00% | 1,652,399 | $7,683,655 | $6,791,360 | -$892,295 | -11.61% | |
| Two Sigma Investments, Lp | 0.01% | 1,506,697 | $7,006,141 | $6,192,525 | -$813,616 | -11.61% | |
| Dimensional Fund Advisors Lp | 0.00% | 1,299,515 | $6,042,497 | $5,341,007 | -$701,490 | -11.61% | |
| Renaissance Technologies LLC | Jim Simons | 0.01% | 1,131,200 | $5,260,080 | $4,649,232 | -$610,848 | -11.61% |
| Rosalind Advisors, Inc. | 1.87% | 1,070,550 | $4,978,058 | $4,399,961 | -$578,098 | -11.61% | |
| Jpmorgan Chase & Co | 0.00% | 945,918 | $4,360,682 | $3,887,723 | -$472,959 | -10.85% | |
| Northern Trust Corp | 0.00% | 755,239 | $3,511,862 | $3,104,032 | -$407,830 | -11.61% | |
| Morgan Stanley | 0.00% | 719,514 | $3,345,743 | $2,957,203 | -$388,540 | -11.61% | |
| Vanguard Portfolio Management Llc | 0.00% | 630,185 | $2,930,360 | $2,590,060 | -$340,300 | -11.61% | |
| Charles Schwab Investment Management Inc | 0.00% | 610,607 | $2,839,323 | $2,509,595 | -$329,728 | -11.61% | |
| Goldman Sachs Group Inc | 0.00% | 530,856 | $2,468,480 | $2,181,818 | -$286,662 | -11.61% | |
| Vanguard Fiduciary Trust Co | 0.00% | 469,801 | $2,184,575 | $1,930,882 | -$253,693 | -11.61% | |
| Banque Pictet & Cie Sa | 0.02% | 345,077 | $1,797,851 | $1,418,266 | -$379,585 | -21.11% | |
| Cm Management, Llc | 1.05% | 355,000 | $1,650,750 | $1,459,050 | -$191,700 | -11.61% | |
| Barclays Plc | 0.00% | 348,653 | $1,621,239 | $1,432,964 | -$188,275 | -11.61% | |
| D. E. Shaw & Co., Inc. | 0.00% | 345,186 | $1,605,115 | $1,418,714 | -$186,401 | -11.61% | |
| Millennium Management Llc | 0.00% | 304,611 | $1,416,441 | $1,251,951 | -$164,490 | -11.61% | |
| Nuveen, Llc | 0.00% | 284,283 | $1,321,916 | $1,168,403 | -$153,513 | -11.61% | |
| Invesco Ltd. | 0.00% | 267,125 | $1,242,132 | $1,097,884 | -$144,248 | -11.61% | |
| Aqr Capital Management Llc | 0.00% | 247,710 | $1,151,852 | $1,018,088 | -$133,764 | -11.61% | |
| Quantinno Capital Management Lp | 0.00% | 242,302 | $1,126,704 | $995,861 | -$130,843 | -11.61% | |
| Opaleye Management Inc. | 0.10% | 235,000 | $1,092,750 | $965,850 | -$126,900 | -11.61% | |
| Hsbc Holdings Plc | 0.00% | 221,009 | $1,023,272 | $908,347 | -$114,925 | -11.23% | |
| Arrowstreet Capital, Limited Partnership | 0.00% | 210,542 | $979,020 | $865,328 | -$113,692 | -11.61% | |
| Wellington Management Group Llp | 0.00% | 206,785 | $961,551 | $849,886 | -$111,665 | -11.61% | |
| Auour Investments Llc | 0.25% | 172,000 | $896,120 | $706,920 | -$189,200 | -21.11% | |
| Strs Ohio | 0.00% | 171,100 | $891,431 | $703,221 | -$188,210 | -21.11% | |
| Bank Of New York Mellon Corp | 0.00% | 189,452 | $880,952 | $778,648 | -$102,304 | -11.61% | |
| American Century Companies Inc | 0.00% | 170,657 | $793,555 | $701,400 | -$92,155 | -11.61% | |
| Citadel Advisors Llc | 0.00% | 157,224 | $731,092 | $646,191 | -$84,901 | -11.61% | |
| Alliancebernstein L.P. | 0.00% | 124,220 | $668,304 | $510,544 | -$157,760 | -23.61% | |
| Bridgeway Capital Management, Llc | 0.01% | 130,900 | $608,685 | $537,999 | -$70,686 | -11.61% | |
| State Of Wisconsin Investment Board | 0.00% | 118,757 | $552,220 | $488,091 | -$64,129 | -11.61% | |
| Price T Rowe Associates Inc | 0.00% | 115,808 | $539,000 | $475,971 | -$63,029 | -11.69% | |
| Jump Financial, Llc | 0.00% | 102,421 | $476,258 | $420,950 | -$55,308 | -11.61% | |
| Ubs Group Ag | 0.00% | 94,507 | $439,457 | $388,424 | -$51,033 | -11.61% | |
| Rhumbline Advisers | 0.00% | 91,124 | $423,720 | $374,520 | -$49,200 | -11.61% | |
| Aldebaran Capital, Llc | 0.31% | 88,180 | $410,037 | $362,420 | -$47,617 | -11.61% | |
| Bank Of America Corp | 0.00% | 81,730 | $380,044 | $335,910 | -$44,134 | -11.61% | |
| Bnp Paribas Financial Markets | 0.00% | 78,721 | $366,053 | $323,543 | -$42,510 | -11.61% | |
| Deutsche Bank Ag\ | 0.00% | 70,400 | $327,360 | $289,344 | -$38,016 | -11.61% | |
| Nomura Asset Management International Inc. | 0.00% | 70,000 | $326,000 | $287,700 | -$38,300 | -11.75% |
Frequently asked questions about AVIR
Who are the largest institutional holders of AVIR?
The largest institutional holders of AVIR reported in the latest SEC Form 13F filings include Fmr Llc, Blackrock, Inc., Bml Capital Management, Llc, Tang Capital Management Llc, and Vanguard Capital Management Llc. InsiderSet ranks institutional holders by their latest reported AVIR position.
What is AVIR institutional ownership?
This page tracks AVIR positions reported by institutional investment managers through SEC Form 13F. ATEA PHARMACEUTICALS INC (AVIR) institutional ownership on InsiderSet reflects disclosed 13F holdings among the managers we analyze, not every shareholder of the stock.
How many institutions own AVIR?
InsiderSet currently tracks 122 institutional managers reporting AVIR holdings in the latest available 13F data. This count reflects institutions included in the SEC Form 13F filings analyzed by InsiderSet and should not be interpreted as the total number of AVIR shareholders.
How much AVIR stock do institutions own?
Institutional investment managers disclosed approximately $277.24M in AVIR holdings for Q2 2026. This figure is reported 13F value as of the filing period, not necessarily today's market value.
When was AVIR institutional ownership last updated?
The latest AVIR institutional ownership data on InsiderSet is based on SEC Form 13F filings for the quarter ended June 30, 2026. Form 13F filings are generally reported after the quarter ends, so the holdings shown represent the latest publicly disclosed positions rather than real-time institutional holdings.
Are institutional AVIR holdings real-time?
No. Form 13F data is not real-time. It represents positions reported by institutional investment managers as of the end of the reporting quarter. An institution may have changed its AVIR position after the reporting date.
Are institutions buying or selling AVIR?
Institutional buying and selling can be analyzed by comparing AVIR positions across consecutive 13F reporting periods. InsiderSet's AVIR Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View AVIR ownership changes.
How has AVIR institutional ownership changed over time?
InsiderSet tracks AVIR institutional holdings across multiple 13F reporting periods, allowing investors to compare institutional holder counts, reported value, and reported shares over time.