Atea Pharmaceuticals, Inc. (AVIR) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

79,337,736Shares Outstanding

3,590,420Shares held by institutions

$16,515,932Value of institutional holdings

71.35%Institutional ownership %

9.00%Shares Changed QoQ

107No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

A total of 107 institutions have reported a stake in Atea Pharmaceuticals, Inc. (NASDAQ:AVIR) as of December 2025, according to recent 13F filings with the SEC.

Atea Pharmaceuticals saw its institutional ownership percentage rose to 71.3% in December 2025 from 67.0% in September 2025.
On a quarter-over-quarter basis, institutional holdings shifted by 9.00%, with a year-over-year no change in the count of filers.
The latest 13F cycle for Atea Pharmaceuticals reveals that of 107 total investors, 42 funds grew their exposure, whereas 40 reduced theirs and 25 made no changes.
The total number of shares held by institutions in Atea Pharmaceuticals increased to 56.61Mn as of December 2025, a net change of up by 4.67Mn shares quarter on quarter, and up 276.54K shares year over year.
FMR LLC continues to be the largest institutional holder of Atea Pharmaceuticals as of December 31, 2025, with a position of 9.68Mn shares, representing 12.20% of the company's outstanding stock.
Among the most significant buyers of Atea Pharmaceuticals during December 2025 were FMR LLC (3.86Mn), JPMORGAN CHASE & CO (731.44K), ACADIAN ASSET MANAGEMENT LLC (334.13K), TWO SIGMA INVESTMENTS, LP (274.12K), TWO SIGMA ADVISERS, LP (263.50K).
Leading sellers of Atea Pharmaceuticals stock in December 2025 included VANGUARD GROUP INC (482.17K), JACOBS LEVY EQUITY MANAGEMENT, INC (355.32K), ROYAL BANK OF CANADA (299.94K), BANK OF AMERICA CORP /DE/ (177.85K), DIMENSIONAL FUND ADVISORS LP (166.77K).
The top 10 institutional holders of Atea Pharmaceuticals for the quarter ending December 2025 included FMR LLC (9.68Mn), BlackRock, Inc. (8.49Mn), BML Capital Management, LLC (7.49Mn), TANG CAPITAL MANAGEMENT LLC (4.81Mn), VANGUARD GROUP INC (4.23Mn), Bain Capital Life Sciences Investors, LLC (2.49Mn), GEODE CAPITAL MANAGEMENT, LLC (1.84Mn), STATE STREET CORP (1.78Mn), DIMENSIONAL FUND ADVISORS LP (1.37Mn), JPMORGAN CHASE & CO (1.35Mn).

107 Institutional Holders

3,590,420 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
FMR LLC	31 Dec, 2025	9,678,996	3,856,223	66.23%	$34,554,015.00
BlackRock, Inc.	31 Dec, 2025	8,491,202	31,982	0.38%	$30,313,592.00
BML Capital Management, LLC	31 Dec, 2025	7,490,000	16,037	0.21%	$26,739,300.00
TANG CAPITAL MANAGEMENT LLC	31 Dec, 2025	4,814,700	-11,500	-0.24%	$17,188,479.00
VANGUARD GROUP INC	31 Dec, 2025	4,227,110	-482,165	-10.24%	$15,090,783.00
Bain Capital Life Sciences Investors, LLC	31 Dec, 2025	2,485,638	0	0.00%	$8,873,728.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	1,841,001	-58,736	-3.09%	$6,573,860.00
STATE STREET CORP	31 Dec, 2025	1,784,467	491	0.03%	$6,370,547.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	1,373,946	-166,770	-10.82%	$4,904,865.00
JPMORGAN CHASE & CO	31 Dec, 2025	1,348,294	731,443	118.58%	$4,813,410.00
ACADIAN ASSET MANAGEMENT LLC	31 Dec, 2025	1,303,904	334,131	34.45%	$4,651.00
RENAISSANCE TECHNOLOGIES LLC	31 Dec, 2025	1,188,500	-39,400	-3.21%	$4,242,945.00
TWO SIGMA ADVISERS, LP	31 Dec, 2025	1,059,700	263,500	33.09%	$3,783,129.00
TWO SIGMA INVESTMENTS, LP	31 Dec, 2025	745,415	274,122	58.16%	$2,661,132.00
MILLENNIUM MANAGEMENT LLC	31 Dec, 2025	698,156	210,933	43.29%	$2,492,417.00
MORGAN STANLEY	31 Dec, 2025	656,075	205,511	45.61%	$2,342,187.00
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	31 Dec, 2025	607,792	-17,192	-2.75%	$2,169,817.00
NORTHERN TRUST CORP	31 Dec, 2025	560,218	-78,170	-12.24%	$1,999,978.00
GOLDMAN SACHS GROUP INC	31 Dec, 2025	472,522	132,382	38.92%	$1,686,904.00
D. E. Shaw & Co., Inc.	31 Dec, 2025	464,787	100,019	27.42%	$1,659,289.00

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