Atea Pharmaceuticals AVIR Institutional Ownership

NASDAQ AVIR

$5.00 -0.21 (-4.03%)

As of: Oct 1, 2026 · 11:40 AM EDT

Institutions by Trading Activity

127 Institutions

Increased 67 52.8%

Unchanged 22 17.3%

Reduced 38 29.9%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

75.88%

▼0.00 pp QoQ

Shares Held by Institutions

60.74Mn

of 80.05Mn outstanding

▲+3.65% QoQ

Shares Outstanding

80.05Mn

19.31Mn held outside 13F filers

Institutional Investors

127

filed 13F for Jun 2026

■0 vs prior quarter

Net Shares Added (QoQ)

+2.14Mn

accumulated since last quarter

Value of Holdings

$316.46Mn

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

Quarter ending 30 Jun, 2026

Atea Pharmaceuticals, Inc. (NASDAQ:AVIR) appears in 127 institutional 13F filings for the quarter ending June 2026.

Their combined ownership stood at 75.9% of outstanding shares in June 2026, down from 75.9% in March 2026.
They increased total shares held in Atea Pharmaceuticals by 3.65% from last quarter, and the number of investors in AVIR increased 19.81% annually.
Of these 127 funds, 67 grew their exposure to Atea Pharmaceuticals, 38 cut back, and 22 maintained positions.
Institutional investors collectively held 60.74Mn shares in Atea Pharmaceuticals as of June 2026, up by 2.14Mn shares quarter on quarter, and up 8.6Mn shares year over year.
FMR LLC leads ownership in AVIR with 12.0Mn shares as of June 30, 2026, equal to 15.0% of outstanding shares.
The largest buyers of Atea Pharmaceuticals for the quarter ending June 2026 were Curated Wealth Partners LLC (695.0K), Sixth Street Partners Management Company, L.P. (610.61K), ACADIAN ASSET MANAGEMENT LLC (452.38K), BlackRock, Inc. (284.64K), Quantinno Capital Management LP (226.35K).
The biggest sellers of Atea Pharmaceuticals for the quarter ending June 2026 included TWO SIGMA INVESTMENTS, LP (357.47K), Bain Capital Life Sciences Investors, LLC (285.0K), VANGUARD CAPITAL MANAGEMENT LLC (281.26K), Sei Investments Co (137.35K), BML Capital Management, LLC (106.33K).
Business Quant data shows the 10 biggest positions in Atea Pharmaceuticals as of June 2026 are held by FMR LLC (12.0Mn), BlackRock, Inc. (8.72Mn), BML Capital Management, LLC (6.95Mn), TANG CAPITAL MANAGEMENT LLC (4.81Mn), VANGUARD CAPITAL MANAGEMENT LLC (2.96Mn), Bain Capital Life Sciences Investors, LLC (2.08Mn), ACADIAN ASSET MANAGEMENT LLC (2.04Mn), GEODE CAPITAL MANAGEMENT, LLC (1.96Mn), State Street Corp (1.65Mn), TWO SIGMA INVESTMENTS, LP (1.51Mn).

Form 13F Holdings

127 Institutional Holders

Report period 30 Jun, 2026

Total shares held 60.74Mn

Of outstanding 75.88%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	FMR LLC	0000315066	12,004,064	15.00%	▲53,292	+0.45%	$55.82Mn
2	BlackRock, Inc.	0002012383	8,720,077	10.89%	▲284,640	+3.37%	$40.55Mn
3	BML Capital Management, LLC	0001616824	6,952,330	8.68%	▼106,327	-1.51%	$32.33Mn
4	TANG CAPITAL MANAGEMENT LLC	0001232621	4,814,700	6.01%	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	2.45%	▲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	1.34%	▼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	Sixth Street Partners Management Company, L.P.	0001812095	610,607	0.76%	▲610,607	0.00%	$2.84Mn
19	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0000884546	610,607	0.76%	▲13,898	+2.33%	$2.84Mn

Showing 1 to 20 of 127 holders