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Business Summary
Filings
Ownership
Valuation
Ownership — STRO
Institutional Holdings
Insider Transactions
US Institutional Ownership
90.1%
Institution
Shares
Value
Ownership %
Change
Filing Date
PERCEPTIVE ADVISORS LLC
1.30M
$43.0M
7.87%
+589.5K
2026-06-30
BVF INC/IL
1.25M
$41.0M
7.55%
--
2026-06-30
BlackRock, Inc.
1.12M
$37.0M
6.77%
+890.0K
2026-06-30
SAMSARA BIOCAPITAL, LLC
1.06M
$35.0M
6.41%
--
2026-06-30
Kynam Capital Management, LP
872.6K
$28.0M
5.26%
--
2026-06-30
ORBIMED ADVISORS LLC
743.9K
$24.0M
4.49%
-57.2K
2026-06-30
Balyasny Asset Management L.P.
711.2K
$23.0M
4.29%
+245.4K
2026-06-30
VANGUARD CAPITAL MANAGEMENT LLC
694.2K
$23.0M
4.19%
-26.2K
2026-06-30
EVENTIDE ASSET MANAGEMENT, LLC
585.3K
$19.0M
3.53%
-130.0K
2026-06-30
Velan Capital Investment Management LP
512.2K
$17.0M
3.09%
--
2026-06-30
Woodline Partners LP
458.0K
$15.0M
2.76%
+588
2026-06-30
ADAR1 Capital Management, LLC
404.0K
$13.0M
2.44%
-120.4K
2026-06-30
GEODE CAPITAL MANAGEMENT, LLC
389.7K
$12.0M
2.35%
+218.3K
2026-06-30
MILLENNIUM MANAGEMENT LLC
366.0K
$12.0M
2.21%
+155.6K
2026-06-30
STATE STREET CORP
306.0K
$10.0M
1.85%
+253.9K
2026-06-30
Merck & Co., Inc.
272.4K
$9.0M
1.64%
--
2026-06-30
ACUTA CAPITAL PARTNERS, LLC
270.3K
$8.0M
1.63%
+826
2026-06-30
AMERIPRISE FINANCIAL INC
244.7K
$8.0M
1.48%
--
2026-06-30
Point72 Asset Management, L.P.
237.8K
$7.0M
1.43%
-454.3K
2026-06-30
KVP Capital Advisors, LP
226.6K
$7.0M
1.37%
--
2026-06-30
UBS Group AG
208.5K
$6.0M
1.26%
-184.4K
2026-06-30
TWO SIGMA INVESTMENTS, LP
201.7K
$6.0M
1.22%
--
2026-06-30
VANGUARD PORTFOLIO MANAGEMENT LLC
197.6K
$6.0M
1.19%
--
2026-06-30
MARSHALL WACE, LLP
175.2K
$5.0M
1.06%
-47.4K
2026-06-30
Nuveen, LLC
168.0K
$5.0M
1.01%
--
2026-06-30
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