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Business Summary
Filings
Ownership
Valuation
Ownership — SLN
Institutional Holdings
Insider Transactions
US Institutional Ownership
16.0%
Institution
Shares
Value
Ownership %
Change
Filing Date
Siren, L.L.C.
3.31M
$36.0M
2.34%
+400.0K
2026-06-30
TCG Crossover Management, LLC
3.03M
$33.0M
2.14%
--
2026-06-30
Redmile Group, LLC
2.16M
$23.0M
1.53%
--
2026-06-30
Nantahala Capital Management, LLC
1.35M
$14.0M
0.95%
-800.0K
2026-06-30
CITADEL ADVISORS LLC
1.33M
$14.0M
0.94%
+83.5K
2026-06-30
Tetragon Partners GP Ltd
1.06M
$11.0M
0.75%
+434.1K
2026-06-30
Nextech Invest Ltd.
952.4K
$10.0M
0.67%
--
2026-06-30
MILLENNIUM MANAGEMENT LLC
909.3K
$9.0M
0.64%
-164.9K
2026-06-30
Ikarian Capital, LLC
830.8K
$1.0M
0.59%
-35.0K
2026-06-30
Soleus Capital Management, L.P.
630.0K
$6.0M
0.44%
--
2026-06-30
Balyasny Asset Management L.P.
611.0K
$6.0M
0.43%
--
2026-06-30
5AM Venture Management, LLC
476.2K
$5.0M
0.34%
--
2026-06-30
Caption Management, LLC
460.4K
$5.0M
0.32%
--
2026-06-30
GREAT POINT PARTNERS LLC
450.0K
$4.0M
0.32%
-570.5K
2026-06-30
MORGAN STANLEY
403.2K
$4.0M
0.28%
+337.7K
2026-06-30
JANE STREET GROUP, LLC
387.6K
$4.0M
0.27%
+286.6K
2026-06-30
AMERIPRISE FINANCIAL INC
370.1K
$4.0M
0.26%
--
2026-06-30
ADAR1 Capital Management, LLC
338.4K
$3.0M
0.24%
+166.2K
2026-06-30
SummitTX Capital, L.P.
326.6K
$3.0M
0.23%
--
2026-06-30
Schonfeld Strategic Advisors LLC
269.3K
$2.0M
0.19%
--
2026-06-30
UBS Group AG
243.2K
$2.0M
0.17%
-3.8K
2026-06-30
BlackRock, Inc.
219.9K
$2.0M
0.16%
+15.1K
2026-06-30
BANK OF MONTREAL /CAN/
201.7K
$2.0M
0.14%
-1.2K
2026-06-30
BOOTHBAY FUND MANAGEMENT, LLC
198.3K
$2.0M
0.14%
-10.7K
2026-06-30
Propel Bio Management, LLC
191.7K
$2.0M
0.14%
--
2026-06-30
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