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Overview
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Business Summary
Filings
Ownership
Valuation
Ownership — ARTV
Institutional Holdings
Insider Transactions
US Institutional Ownership
65.6%
Institution
Shares
Value
Ownership %
Change
Filing Date
RA CAPITAL MANAGEMENT, L.P.
9.85M
$63.0M
39.93%
--
2026-03-31
5AM Venture Management, LLC
2.35M
$15.0M
9.54%
--
2026-03-31
VR ADVISER, LLC
1.61M
$10.0M
6.52%
--
2026-03-31
FRANKLIN RESOURCES INC
520.3K
$3.0M
2.11%
--
2026-03-31
Revelation Capital Management, LLC
299.3K
$1.0M
1.21%
--
2026-03-31
BlackRock, Inc.
213.4K
$1.0M
0.86%
+850
2026-03-31
VANGUARD CAPITAL MANAGEMENT LLC
207.7K
$1.0M
0.84%
--
2026-03-31
WELLINGTON MANAGEMENT GROUP LLP
194.1K
$1.0M
0.79%
--
2026-03-31
Propel Bio Management, LLC
146.4K
--
0.59%
--
2026-03-31
MILLENNIUM MANAGEMENT LLC
123.3K
--
0.50%
-93.8K
2026-03-31
GEODE CAPITAL MANAGEMENT, LLC
101.7K
--
0.41%
+578
2026-03-31
Alyeska Investment Group, L.P.
100.0K
--
0.41%
--
2026-03-31
RENAISSANCE TECHNOLOGIES LLC
80.0K
--
0.32%
-36.2K
2026-03-31
JANE STREET GROUP, LLC
39.5K
--
0.16%
-1.2K
2026-03-31
STATE STREET CORP
35.8K
--
0.15%
--
2026-03-31
BRIDGEWAY CAPITAL MANAGEMENT, LLC
35.0K
--
0.14%
--
2026-03-31
VANGUARD FIDUCIARY TRUST CO
32.8K
--
0.13%
--
2026-03-31
PANAGORA ASSET MANAGEMENT INC
30.7K
--
0.12%
--
2026-03-31
Velan Capital Investment Management LP
25.0K
--
0.10%
--
2026-03-31
Simplify Asset Management Inc.
23.2K
--
0.09%
--
2026-03-31
Sanctuary Advisors, LLC
21.6K
--
0.09%
--
2026-03-31
BAILARD, INC.
20.7K
--
0.08%
--
2026-03-31
DIMENSIONAL FUND ADVISORS LP
20.4K
--
0.08%
--
2026-03-31
XTX Topco Ltd
20.3K
--
0.08%
-27.7K
2026-03-31
MORGAN STANLEY
16.4K
--
0.07%
-10.7K
2026-03-31
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