Atea Pharmaceuticals, Inc.

AVIR • NASDAQ

Atea Pharmaceuticals, Inc. is a biotechnology company in the healthcare sector on NASDAQ, led by Jean-Pierre Sommadossi, with a market cap of $246.1M. As of Q3 2025, 67% of shares are held by 111 institutional investors, with BlackRock, Inc. as the largest holder at 10.66%.

Chief Executive OfficerJean-Pierre Sommadossi

Market Cap$246.1M

Biotechnology

Healthcare

Employees74.0

Websiteateapharma.com

Country

United States of America

Overview

Overview of institutional ownership in AVIR as of Q3 2025 with a market cap of $230.1M

All Institutions

Institutions: 111
Value Held: $154.1M
Shares Held: 53.1M
Avg Position: $1.4M
Median Position: $121.0K

Hedge Funds

Hedge Funds: 11
Value Held: $11.9M
Shares Held: 4.1M
Avg Position: $1.1M
Median Position: $1.2M

Ownership Breakdown

Institutional (non-HF)

61.78%

$142.2M

Hedge Funds

5.17%

$11.9M

Retail & Other

33.04%

$76.0M

Based on market cap of $230.1M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in AVIR as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
B BlackRock, Inc. Institution	-	$24.5M 0.00% of portfolio	10.66% 8.5M shares	Q4 2020 Held for 4y 11m	$5.67T
B BML Capital Management, LLC Institution	-	$21.7M 19.60% of portfolio	9.42% 7.5M shares	Q2 2023 Held for 2y 5m	$110.6M
FMR LLC Institution	-	$16.9M 0.00% of portfolio	7.34% 5.8M shares	Q4 2020 Held for 4y 11m	$1.92T
T TANG CAPITAL MANAGEMENT LLC Institution	-	$14.0M 0.55% of portfolio	6.08% 4.8M shares	Q1 2023 Held for 2y 8m	$2.5B
VANGUARD GROUP INC Institution	Salim Ramji CEO	$13.7M 0.00% of portfolio	5.93% 4.7M shares	Q4 2020 Held for 4y 11m	$6.69T
B Bain Capital Life Sciences Investors, LLC Institution	-	$7.2M 0.48% of portfolio	3.13% 2.5M shares	Q4 2020 Held for 4y 11m	$1.5B
GEODE CAPITAL MANAGEMENT LLC ETF Provider	David Kenneth Lane CEO	$5.5M 0.00% of portfolio	2.39% 1.9M shares	Q4 2020 Held for 4y 11m	$1.57T
STATE STREET CORP Institution	Ronald P. O'Hanley CEO	$5.2M 0.00% of portfolio	2.25% 1.8M shares	Q4 2020 Held for 4y 11m	$2.88T
DIMENSIONAL FUND ADVISORS LP Long Only Manager	David Paul Butler CEO	$4.5M 0.00% of portfolio	1.94% 1.5M shares	Q1 2023 Held for 2y 8m	$466.32B
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant	Peter Fitzhugh Brown CEO	$3.6M 0.00% of portfolio	1.55% 1.2M shares	Q3 2021 Held for 4y 2m	$75.8B

Net Capital Flow

Institutional buying and selling activity for AVIR in Q3 2025

Traded: +$896.8K
Buyers: 44
Sellers: 46
Total Bought: +$7.0M
Total Sold: −$6.1M
Avg Position: $1.3M

Biggest Buyers

Institution	Net Bought	Current Position
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	+$906.9K +312.7K shares	$1.4M 487.2K shares
R ROYAL BANK OF CANADA Institution	+$840.0K +289.6K shares	$875.4K 301.9K shares
BANK OF AMERICA CORP /DE/ Institution	+$591.3K +203.9K shares	$909.6K 313.6K shares
D D. E. Shaw & Co., Inc. Institution	+$489.9K +168.9K shares	$1.1M 364.8K shares
G GROUP ONE TRADING, L.P. Institution	+$405.9K +140.0K shares	$418.1K 144.2K shares
DIMENSIONAL FUND ADVISORS LP Long Only Manager	+$375.4K +129.5K shares	$4.5M 1.5M shares
J JANE STREET GROUP, LLC Institution	+$352.9K +121.7K shares	$557.1K 192.1K shares
JACOBS LEVY EQUITY MANAGEMENT, INC Hedge Fund•Quant	+$313.1K +108.0K shares	$1.2M 398.4K shares
TWO SIGMA INVESTMENTS LLC Hedge Fund•Multi-Strategy	+$303.6K +104.7K shares	$1.4M 471.3K shares
FMR LLC Institution	+$298.7K +103.0K shares	$16.9M 5.8M shares

Biggest Sellers

Institution	Net Sold	Current Position
Almitas Capital LLC RIA/Wealth	−$1.6M −445.4K shares	Sold Off 0 shares
B BlackRock, Inc. Institution	−$607.0K −209.3K shares	$24.5M 8.5M shares
VANGUARD GROUP INC Institution	−$516.0K −177.9K shares	$13.7M 4.7M shares
B BML Capital Management, LLC Institution	−$394.0K −135.8K shares	$21.7M 7.5M shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	−$333.0K −114.8K shares	$144.1K 49.7K shares
WELLINGTON MANAGEMENT CO LLP Long Only Manager	−$280.4K −96.7K shares	$762.0K 262.8K shares
MORGAN STANLEY RIA/Wealth	−$271.7K −93.7K shares	$1.3M 450.6K shares
N Newtyn Management, LLC Hedge Fund•Event Driven	−$254.4K −87.7K shares	$1.4M 492.3K shares
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy	−$207.9K −57.8K shares	Sold Off 0 shares
X XTX Topco Ltd Institution	−$188.1K −64.8K shares	$64.6K 22.3K shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited AVIR in Q3 2025

New Positions: 5
New Value: $74.7K
Exited Positions: 6
Exited Value: $2.1M

New Positions

Institution	Position Value
C Certified Advisory Corp RIA/Wealth	$71.1K 24.5K shares
O Optiver Holding B.V. Institution	$2.9K 990.0 shares
SRS Capital Advisors, Inc. RIA/Wealth	$577.0 199.0 shares
Hanson McClain, Inc. RIA/Wealth	$183.0 63.0 shares
Cloud Capital Management, LLC RIA/Wealth	- 59.0 shares

Exited Positions

Institution	Previous Position
Almitas Capital LLC RIA/Wealth	$1.6M 445.4K shares
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy	$207.9K 57.8K shares
$DEUTSCHE BANK AG\ logo$ DEUTSCHE BANK AG\ Institution	$154.7K 43.0K shares
O OXFORD ASSET MANAGEMENT Institution	$146.8K 40.8K shares
$US BANCORP \DE\ logo$ US BANCORP \DE\ Institution	$19.7K 5.5K shares
RAYMOND JAMES FINANCIAL INC RIA/Wealth	$1.4K 400.0 shares

Options Activity

Institutions with the largest Call and Put options positions in AVIR as of Q3 2025

Call Positions: 2
Call Value: $156.6K
Put Positions: 3
Put Value: $284.2K

Call Positions

Institution	Position Value
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$90.2K 311.0 contracts
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$66.4K 229.0 contracts

Put Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$106.4K 367.0 contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$91.1K 314.0 contracts
J JANE STREET GROUP, LLC Institution	$86.7K 299.0 contracts

Most Committed Institutions

Institutions with AVIR as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
B BML Capital Management, LLC Institution	-	19.60% $21.7M	9.42% 7.5M shares	Q2 2023 Held for 2y 5m	$110.6M
C CM Management, LLC Institution	-	1.21% $1.5M	0.63% 500.0K shares	Q2 2021 Held for 4y 5m	$119.9M
P Peapod Lane Capital LLC Institution	-	1.19% $1.3M	0.58% 457.2K shares	Q4 2024 Held for 11 months	$111.8M
T TANG CAPITAL MANAGEMENT LLC Institution	-	0.55% $14.0M	6.08% 4.8M shares	Q1 2023 Held for 2y 8m	$2.5B
B Bain Capital Life Sciences Investors, LLC Institution	-	0.48% $7.2M	3.13% 2.5M shares	Q4 2020 Held for 4y 11m	$1.5B
R Rangeley Capital, LLC Hedge Fund•Event Driven	Christopher Clay Demuth Jr. Managing Partner	0.22% $232.0K	0.10% 80.0K shares	Q2 2025 Held for 5 months	$105.5M
N Newtyn Management, LLC Hedge Fund•Event Driven	Noah Gabriel Levy Managing Partner	0.17% $1.4M	0.62% 492.3K shares	Q2 2023 Held for 2y 5m	$816.9M
Auour Investments LLC RIA/Wealth	Robert Zlatko Kuftinec Managing Partner	0.17% $513.3K	0.22% 177.0K shares	Q2 2023 Held for 2y 5m	$302.0M
E EverSource Wealth Advisors, LLC RIA/Wealth	Joshua Seth Sweren Managing Partner	0.02% $437.6K	0.19% 150.9K shares	Q2 2024 Held for 1y 5m	$2.5B
S Sunpointe, LLC Institution	-	0.01% $34.6K	0.02% 11.9K shares	Q4 2023 Held for 1y 11m	$275.6M

Hedge Fund Spotlight

Discover hedge funds investing in AVIR

Rangeley Capital, LLC

Hedge Fund • Event Driven

Portfolio ManagerChristopher Clay Demuth Jr.

Portfolio Value: $105.5M
Positions: 115
Last Reported: Q3 2025

Sector Allocation

Position in Atea Pharmaceuticals, Inc.

Market Value: $232.0K
Shares Held: 80.0K
Portfolio Weight: 0.22%
Owned Since: 2025-Q2

Top Holding	Sector	Market Value	Weight
1 Delek US Holdings DK	Oil & Gas Refining & Marketing Energy	$6.6M	6.30%
2 Calumet, Inc. CLMT	Oil & Gas Exploration & Production Energy	$6.0M	5.72%
3 Arvinas ARVN	Biotechnology Healthcare	$5.9M	5.61%