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Overview
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Business Summary
Filings
Ownership
Valuation
Ownership — OBIO
Institutional Holdings
Insider Transactions
US Institutional Ownership
46.5%
Institution
Shares
Value
Ownership %
Change
Filing Date
RTW INVESTMENTS, LP
9.56M
$41.0M
15.90%
+1.25M
2026-06-30
PERCEPTIVE ADVISORS LLC
5.04M
$21.0M
8.38%
--
2026-06-30
BlackRock, Inc.
2.51M
$10.0M
4.18%
+1.87M
2026-06-30
VANGUARD CAPITAL MANAGEMENT LLC
2.02M
$8.0M
3.37%
-181.4K
2026-06-30
GEODE CAPITAL MANAGEMENT, LLC
1.01M
$4.0M
1.68%
+522.4K
2026-06-30
Alyeska Investment Group, L.P.
1.00M
$4.0M
1.66%
--
2026-06-30
Propel Bio Management, LLC
896.7K
$3.0M
1.49%
--
2026-06-30
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
642.2K
$2.0M
1.07%
--
2026-06-30
STATE STREET CORP
516.0K
$2.0M
0.86%
+346.6K
2026-06-30
RICE HALL JAMES & ASSOCIATES, LLC
424.0K
$1.0M
0.71%
+405.0K
2026-06-30
Sixth Street Partners Management Company, L.P.
349.5K
$1.0M
0.58%
--
2026-06-30
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
349.5K
$1.0M
0.58%
+84.0K
2026-06-30
NORTHERN TRUST CORP
343.6K
$1.0M
0.57%
+225.4K
2026-06-30
UBS Group AG
325.8K
$1.0M
0.54%
+275.5K
2026-06-30
VANGUARD FIDUCIARY TRUST CO
292.3K
$1.0M
0.49%
+57.0K
2026-06-30
VANGUARD PORTFOLIO MANAGEMENT LLC
275.0K
$1.0M
0.46%
--
2026-06-30
Knott David M Jr
253.7K
$1.0M
0.42%
--
2026-06-30
Flat Footed LLC
251.4K
$1.0M
0.42%
--
2026-06-30
Simplify Asset Management Inc.
219.4K
--
0.37%
--
2026-06-30
GOLDMAN SACHS GROUP INC
179.6K
--
0.30%
+24.4K
2026-06-30
DAFNA Capital Management LLC
126.8K
--
0.21%
--
2026-06-30
Daytona Street Capital LLC
96.4K
--
0.16%
+43.8K
2026-06-30
RENAISSANCE TECHNOLOGIES LLC
90.0K
--
0.15%
+19.1K
2026-06-30
IFP Advisors, Inc
89.6K
--
0.15%
+4.3K
2026-06-30
Bank of New York Mellon Corp
86.1K
--
0.14%
--
2026-06-30
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