ATEA PHARMACEUTICALS INC (AVIR) Top Institutional Shareholders
ATEA PHARMACEUTICALS INC (AVIR) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $308.71M in AVIR holdings during the latest filing period.
Fmr Llc is currently the largest disclosed institutional shareholder of AVIR tracked by InsiderSet, reporting ownership valued at approximately $64.30M in its March 31, 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 $51.75M, representing an estimated loss of -19.52% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 77% 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
125
Total Reported Value
$308.71M
Largest Holder
Fmr Llc
Largest Position
$64.30M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
139
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% | 11,950,772 | $64,295,153 | $51,746,843 | -$12,548,310 | -19.52% | |
| Blackrock, Inc. | 0.00% | 8,435,437 | $45,382,652 | $36,525,442 | -$8,857,210 | -19.52% | |
| Bml Capital Management, Llc | 24.43% | 7,058,657 | $37,975,575 | $30,563,985 | -$7,411,590 | -19.52% | |
| Tang Capital Management Llc | 1.32% | 4,814,700 | $25,903,086 | $20,847,651 | -$5,055,435 | -19.52% | |
| Vanguard Capital Management Llc | 0.00% | 3,246,124 | $17,464,147 | $14,055,717 | -$3,408,430 | -19.52% | |
| Bain Capital Life Sciences Investors, Llc | 1.15% | 2,360,638 | $12,700,232 | $10,221,563 | -$2,478,669 | -19.52% | |
| Two Sigma Investments, Lp | 0.01% | 1,864,164 | $10,029,202 | $8,071,830 | -$1,957,372 | -19.52% | |
| Geode Capital Management, Llc | 0.00% | 1,747,706 | $9,405,012 | $7,567,567 | -$1,837,445 | -19.54% | |
| State Street Corp | 0.00% | 1,694,635 | $9,117,136 | $7,337,770 | -$1,779,366 | -19.52% | |
| Dimensional Fund Advisors Lp | 0.00% | 1,255,484 | $6,752,650 | $5,436,246 | -$1,316,404 | -19.49% | |
| Rosalind Advisors, Inc. | 2.58% | 1,171,855 | $6,304,580 | $5,074,132 | -$1,230,448 | -19.52% | |
| Renaissance Technologies LLC | Jim Simons | 0.01% | 1,166,400 | $6,275,232 | $5,050,512 | -$1,224,720 | -19.52% |
| Morgan Stanley | 0.00% | 731,020 | $3,932,891 | $3,165,317 | -$767,574 | -19.52% | |
| Charles Schwab Investment Management Inc | 0.00% | 596,709 | $3,210,294 | $2,583,750 | -$626,544 | -19.52% | |
| Goldman Sachs Group Inc | 0.00% | 588,463 | $3,165,931 | $2,548,045 | -$617,886 | -19.52% | |
| Northern Trust Corp | 0.00% | 585,025 | $3,147,435 | $2,533,158 | -$614,277 | -19.52% | |
| Vanguard Portfolio Management Llc | 0.00% | 557,579 | $2,999,775 | $2,414,317 | -$585,458 | -19.52% | |
| Vanguard Fiduciary Trust Co | 0.00% | 484,705 | $2,607,713 | $2,098,773 | -$508,940 | -19.52% | |
| Jane Street Group, Llc | 0.00% | 418,296 | $2,250,432 | $1,811,222 | -$439,210 | -19.52% | |
| D. E. Shaw & Co., Inc. | 0.00% | 379,314 | $2,040,710 | $1,642,430 | -$398,280 | -19.52% | |
| Cm Management, Llc | 1.60% | 355,000 | $1,909,900 | $1,537,150 | -$372,750 | -19.52% | |
| Millennium Management Llc | 0.00% | 349,932 | $1,882,634 | $1,515,206 | -$367,428 | -19.52% | |
| Banque Pictet & Cie Sa | 0.02% | 345,077 | $1,856,514 | $1,494,183 | -$362,331 | -19.52% | |
| Opaleye Management Inc. | 0.23% | 322,600 | $1,735,588 | $1,396,858 | -$338,730 | -19.52% | |
| Irenic Capital Management Lp | 0.15% | 301,699 | $1,623,141 | $1,306,357 | -$316,784 | -19.52% | |
| Peapod Lane Capital Llc | 1.18% | 272,820 | $1,442,958 | $1,181,311 | -$261,647 | -18.13% | |
| Hsbc Holdings Plc | 0.00% | 258,989 | $1,380,411 | $1,121,422 | -$258,989 | -18.76% | |
| Nuveen, Llc | 0.00% | 243,103 | $1,307,894 | $1,052,636 | -$255,258 | -19.52% | |
| Arrowstreet Capital, Limited Partnership | 0.00% | 210,542 | $1,132,716 | $911,647 | -$221,069 | -19.52% | |
| Bank Of New York Mellon Corp | 0.00% | 185,805 | $999,631 | $804,536 | -$195,095 | -19.52% | |
| Auour Investments Llc | 0.30% | 177,000 | $952,260 | $766,410 | -$185,850 | -19.52% | |
| American Century Companies Inc | 0.00% | 167,230 | $899,697 | $724,106 | -$175,591 | -19.52% | |
| Barclays Plc | 0.00% | 160,946 | $865,889 | $696,896 | -$168,993 | -19.52% | |
| Bnp Paribas Financial Markets | 0.00% | 156,391 | $841,384 | $677,173 | -$164,211 | -19.52% | |
| Sei Investments Co | 0.00% | 156,384 | $841,346 | $677,143 | -$164,203 | -19.52% | |
| Bridgeway Capital Management, Llc | 0.02% | 148,400 | $798,392 | $642,572 | -$155,820 | -19.52% | |
| Invesco Ltd. | 0.00% | 133,348 | $717,412 | $577,397 | -$140,015 | -19.52% | |
| Point72 Asset Management, L.P. | 0.00% | 119,553 | $643,195 | $517,664 | -$125,531 | -19.52% | |
| Informed Momentum Co Llc | 0.07% | 112,866 | $607,219 | $488,710 | -$118,509 | -19.52% | |
| Ubs Group Ag | 0.00% | 109,950 | $591,531 | $476,084 | -$115,448 | -19.52% | |
| Bank Of America Corp | 0.00% | 105,640 | $568,343 | $457,421 | -$110,922 | -19.52% | |
| State Of Wisconsin Investment Board | 0.00% | 99,803 | $536,940 | $432,147 | -$104,793 | -19.52% | |
| Strs Ohio | 0.00% | 96,400 | $518,632 | $417,412 | -$101,220 | -19.52% | |
| Jump Financial, Llc | 0.01% | 93,247 | $501,669 | $403,760 | -$97,909 | -19.52% | |
| Aldebaran Capital, Llc | 0.37% | 89,946 | $483,909 | $389,466 | -$94,443 | -19.52% | |
| Rhumbline Advisers | 0.00% | 89,054 | $479,101 | $385,604 | -$93,497 | -19.52% | |
| Susquehanna International Group, Llp | 0.00% | 81,835 | $440,272 | $354,346 | -$85,926 | -19.52% | |
| Alliancebernstein L.P. | 0.00% | 121,320 | $433,112 | $525,316 | +$92,204 | +21.29% | |
| Nomura Asset Management International Inc. | 0.00% | 70,000 | $377,000 | $303,100 | -$73,900 | -19.60% | |
| Deutsche Bank Ag\ | 0.00% | 65,686 | $353,391 | $284,420 | -$68,971 | -19.52% |
Frequently asked questions about AVIR
Who owns the most AVIR stock?
The largest holders of AVIR are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for ATEA PHARMACEUTICALS INC (AVIR).
Is AVIR widely held by superinvestors?
Many widely followed stocks like AVIR appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly AVIR is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.