Atea Pharmaceuticals AVIR Institutional Ownership

NASDAQ AVIR

$4.08 -0.39 (-8.62%)

At close: Oct 21, 2026 · 4:00 PM EDT

Institutions by Trading Activity

126 Institutions

Increased 66 52.4%

Unchanged 22 17.5%

Reduced 38 30.2%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

74.97%

▼-0.12 pp QoQ

Shares Held by Institutions

60.13Mn

of 80.20Mn outstanding

▲+0.06% QoQ

Shares Outstanding

80.20Mn

20.07Mn held outside 13F filers

Institutional Investors

126

filed 13F for Jun 2026

▼-1 vs prior quarter

Net Shares Added (QoQ)

+33.43K

accumulated since last quarter

Value of Holdings

$268.78Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Updated Oct 11, 2026

Atea Pharmaceuticals, Inc. (NASDAQ:AVIR) had 126 institutional holders reporting a position on Form 13F for the quarter ended June 30, 2026.

Together they owned 74.97% of the outstanding stock in Q2 2026, down from 75.10% a quarter earlier.
Total shares held in Atea Pharmaceuticals rose 0.06% from Q1 2026, while the number of holders rose 21.15% from Q2 2025.
Of these 126 holders, 66 added to their positions, 38 reduced their stakes and 22 left their positions unchanged.
Institutional investors held 60.13Mn shares of Atea Pharmaceuticals in total at the end of Q2 2026, up 33.43K from the prior quarter and up 7.99Mn from a year earlier.
As of June 30, 2026, FMR LLC held the largest stake in Atea Pharmaceuticals with 12Mn shares, or 14.97% of shares outstanding.
Among holders that already owned Atea Pharmaceuticals, the biggest buyers in Q2 2026 were Acadian Asset Management LLC (+452.38K shares), BlackRock, Inc. (+284.64K shares), Quantinno Capital Management LP (+226.35K shares), Geode Capital Management, LLC (+210.73K shares) and AQR Capital Management LLC (+201.6K shares).
Holders that trimmed the most shares of Atea Pharmaceuticals in Q2 2026 while keeping a position were Two Sigma Investments, LP (-357.47K shares), Bain Capital Life Sciences Investors, LLC (-285K shares), Vanguard Capital Management LLC (-281.26K shares), SEI Investments Co (-137.35K shares) and BML Capital Management, LLC (-106.33K shares).
Per Business Quant, the top 10 investors in AVIR for the quarter ended June 30, 2026 were FMR LLC (12Mn shares), BlackRock, Inc. (8.72Mn shares), BML Capital Management, LLC (6.95Mn shares), Tang Capital Management LLC (4.81Mn shares), Vanguard Capital Management LLC (2.96Mn shares), Bain Capital Life Sciences Investors, LLC (2.08Mn shares), Acadian Asset Management LLC (2.04Mn shares), Geode Capital Management, LLC (1.96Mn shares), State Street Corp (1.65Mn shares) and Two Sigma Investments, LP (1.51Mn shares).

Form 13F Holdings

126 Institutional Holders

Report period 30 Jun, 2026

Total shares held 60.13Mn

Of outstanding 74.97%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	FMR LLC	0000315066	12,004,064	14.97%	▲53,292	+0.45%	$55.82Mn
2	BlackRock, Inc.	0002012383	8,720,077	10.87%	▲284,640	+3.37%	$40.55Mn
3	BML Capital Management, LLC	0001616824	6,952,330	8.67%	▼106,327	-1.51%	$32.33Mn
4	TANG CAPITAL MANAGEMENT LLC	0001232621	4,814,700	6.00%	0	0.00%	$22.39Mn
5	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	2,964,862	3.70%	▼281,262	-8.66%	$13.79Mn
6	Bain Capital Life Sciences Investors, LLC	0001703031	2,075,639	2.59%	▼284,999	-12.07%	$9.65Mn
7	ACADIAN ASSET MANAGEMENT LLC	0000916542	2,035,192	2.54%	▲452,375	+28.58%	$9.46K
8	GEODE CAPITAL MANAGEMENT, LLC	0001214717	1,958,435	2.44%	▲210,729	+12.06%	$9.11Mn
9	State Street Corp	0000093751	1,652,399	2.06%	▼42,236	-2.49%	$7.68Mn
10	TWO SIGMA INVESTMENTS, LP	0001179392	1,506,697	1.88%	▼357,467	-19.18%	$7.01Mn
11	DIMENSIONAL FUND ADVISORS LP	0000354204	1,299,515	1.62%	▲44,031	+3.51%	$6.04Mn
12	RENAISSANCE TECHNOLOGIES LLC	0001037389	1,131,200	1.41%	▼35,200	-3.02%	$5.26Mn
13	Rosalind Advisors, Inc.	0001622627	1,070,550	1.33%	▼101,305	-8.64%	$4.98Mn
14	Jpmorgan Chase & Co	0000019617	945,918	1.18%	▲5,761	+0.61%	$4.36Mn
15	Northern Trust Corp	0000073124	755,239	0.94%	▲170,214	+29.10%	$3.51Mn
16	Morgan Stanley	0000895421	719,514	0.90%	▼11,506	-1.57%	$3.35Mn
17	Curated Wealth Partners LLC	0001781284	695,000	0.87%	▲695,000	0.00%	$670.68K
18	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	630,185	0.79%	▲72,606	+13.02%	$2.93Mn
19	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0000884546	610,607	0.76%	▲13,898	+2.33%	$2.84Mn
20	Goldman Sachs Group Inc	0000886982	530,856	0.66%	▼57,607	-9.79%	$2.47Mn

Showing 1 to 20 of 126 holders