13F Insight
DOSSIER · 13F Holders · Q1 2026Defensive growthQuality
AVIR

ATEA PHARMACEUTICALS INC

132 institutions still hold ATEA PHARMACEUTICALS INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 04683R106·132 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 2.3%
vs prior quarter
13F value held
$279M
53.0% inst. owned
of float
Holders
132
+13 QoQ
filers reporting
Activity
+76 / −63
+855 added · −809 reduced
this quarter
Concentration
23.03%
FMR LLC #1
top holder share
AI Holders Summary · Q1 2026

132 institutions reported AVIR in Q1 2026. FMR LLC leads at 23.0% of the visible book. +13 net new institutions vs prior quarter — accumulation reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
FMR LLC
CIK 0000315066
$64M12.0M0.00%Q1 202602
BlackRock, Inc.
CIK 0002012383
$45M8.4M0.00%Q1 202603
BML Capital Management, LLC
CIK 0001616824
$38M7.1M24.38%Q1 202604
TANG CAPITAL MANAGEMENT LLC
CIK 0001232621
$26M4.8M1.32%Q1 202605
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$17M3.2M0.00%Q1 202606
Bain Capital Life Sciences Investors, LLC
CIK 0001703031
$13M2.4M1.15%Q1 202607
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$10M1.9M0.01%Q1 202608
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$9M1.7M0.00%Q1 202609
STATE STREET CORP
CIK 0000093751
$9M1.7M0.00%Q1 202610
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$7M1.3M0.00%Q1 202611
Rosalind Advisors, Inc.
CIK 0001622627
$6M1.2M2.53%Q1 202612
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$6M1.2M0.01%Q1 202613
JPMORGAN CHASE & CO
CIK 0000019617
$5M940K0.00%Q1 202614
MORGAN STANLEY
CIK 0000895421
$4M731K0.00%Q1 202615
TWO SIGMA ADVISERS, LP
CIK 0001478735
$4M1.1M0.01%Q4 202516
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$3M597K0.00%Q1 202617
GOLDMAN SACHS GROUP INC
CIK 0000886982
$3M588K0.00%Q1 202618
NORTHERN TRUST CORP
CIK 0000073124· Index
$3M585K0.00%Q1 202619
Vanguard Portfolio Management
CIK 0002100121
$3M558K0.00%Q1 202620
VANGUARD FIDUCIARY TRUST CO
CIK 0000933478· Index
$3M485K0.00%Q1 2026
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