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Ownership — ABVX
Institutional Holdings
Insider Transactions
US Institutional Ownership
88.4%
Institution
Shares
Value
Ownership %
Change
Filing Date
TCG Crossover Management, LLC
6.01M
$800.0M
8.64%
-473.3K
2026-06-30
Citadel Advisors LLC
4.24M
$565.0M
6.10%
+2.90M
2026-06-30
Darwin Global Management, Ltd.
3.62M
$348.0M
5.21%
+152.9K
2026-06-30
Helikon Investments Ltd
2.79M
$371.0M
4.01%
+1.77M
2026-06-30
Vestal Point Capital, LP
2.35M
$313.0M
3.38%
+849.4K
2026-06-30
Jupiter Topco LLC
1.91M
$255.0M
2.75%
--
2026-06-30
UBS Group AG
1.86M
$247.0M
2.68%
-2.69M
2026-06-30
ADAR1 Capital Management, LLC
1.85M
$246.0M
2.66%
+411.1K
2026-06-30
Caligan Partners LP
1.56M
$207.0M
2.24%
+96.0K
2026-06-30
Morgan Stanley
1.43M
$190.0M
2.06%
-272.8K
2026-06-30
Westfield Capital Management Co LP
1.31M
$174.0M
1.88%
-13.1K
2026-06-30
RA Capital Management, L.P.
1.13M
$150.0M
1.63%
--
2026-06-30
Norges Bank
1.10M
$146.0M
1.58%
--
2026-06-30
Logos Global Management LP
1.02M
$136.0M
1.47%
+349.0K
2026-06-30
Octagon Capital Advisors LP
993.0K
$132.0M
1.43%
+316.0K
2026-06-30
Bank of America Corp
971.4K
$129.0M
1.40%
+235.7K
2026-06-30
Ikarian Capital, LLC
919.7K
$122.0M
1.32%
+568.8K
2026-06-30
Eversept Partners, LP
913.9K
$121.0M
1.31%
-20.5K
2026-06-30
Goldman Sachs Group Inc
792.7K
$105.0M
1.14%
+443.9K
2026-06-30
Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A.
765.3K
$101.0M
1.10%
-583
2026-06-30
Diadema Partners LP
765.2K
$101.0M
1.10%
+489.3K
2026-06-30
Boothbay Fund Management, LLC
748.5K
$99.0M
1.08%
+189.2K
2026-06-30
Orbimed Advisors LLC
746.5K
$99.0M
1.07%
+280.8K
2026-06-30
LMR Partners LLP
711.7K
$94.0M
1.02%
+483.9K
2026-06-30
Cormorant Asset Management, LP
675.0K
$89.0M
0.97%
-85.0K
2026-06-30
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