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Overview
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Business Summary
Filings
Ownership
Valuation
Ownership — MLYS
Institutional Holdings
Insider Transactions
US Institutional Ownership
100.0%
Institution
Shares
Value
Ownership %
Change
Filing Date
Catalys Pacific, LLC
7.90M
$213.0M
8.95%
--
2026-06-30
RA CAPITAL MANAGEMENT, L.P.
7.69M
$207.0M
8.71%
--
2026-06-30
BlackRock, Inc.
5.89M
$158.0M
6.66%
+1.41M
2026-06-30
SAMSARA BIOCAPITAL, LLC
5.87M
$158.0M
6.65%
--
2026-06-30
FMR LLC
4.51M
$121.0M
5.11%
-349.4K
2026-06-30
STATE STREET CORP
4.14M
$111.0M
4.69%
+1.21M
2026-06-30
DEERFIELD MANAGEMENT COMPANY, L.P.
3.96M
$106.0M
4.48%
--
2026-06-30
ARMISTICE CAPITAL, LLC
2.78M
$74.0M
3.14%
+1.60M
2026-06-30
VANGUARD CAPITAL MANAGEMENT LLC
2.76M
$74.0M
3.12%
+302.4K
2026-06-30
Laurion Capital Management LP
2.51M
$67.0M
2.84%
+274.1K
2026-06-30
PRICE T ROWE ASSOCIATES INC /MD/
2.26M
$61.0M
2.56%
+919.2K
2026-06-30
ORBIMED ADVISORS LLC
2.11M
$56.0M
2.39%
+57.4K
2026-06-30
Capital World Investors
2.00M
$53.0M
2.26%
+1.60M
2026-06-30
Troluce Capital Advisors LLC
1.78M
$47.0M
2.01%
+1.12M
2026-06-30
FRANKLIN RESOURCES INC
1.64M
$44.0M
1.85%
-149.1K
2026-06-30
ANDERA PARTNERS
1.59M
$42.0M
1.80%
--
2026-06-30
GEODE CAPITAL MANAGEMENT, LLC
1.58M
$42.0M
1.79%
+283.2K
2026-06-30
SR One Capital Management, LP
1.56M
$42.0M
1.77%
--
2026-06-30
BANK OF AMERICA CORP /DE/
1.51M
$40.0M
1.70%
+405.2K
2026-06-30
GOLDMAN SACHS GROUP INC
1.49M
$40.0M
1.69%
+673.6K
2026-06-30
SPHERA FUNDS MANAGEMENT LTD.
1.47M
$39.0M
1.66%
+130.0K
2026-06-30
Pictet Asset Management Holding SA
1.43M
$38.0M
1.62%
+396.2K
2026-06-30
Polar Capital Holdings Plc
1.42M
$38.0M
1.61%
-79.9K
2026-06-30
Caption Management, LLC
1.41M
$38.0M
1.59%
-1.86M
2026-06-30
MILLENNIUM MANAGEMENT LLC
1.25M
$33.0M
1.42%
+727.7K
2026-06-30
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