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Overview
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Business Summary
Filings
Ownership
Valuation
Ownership — KLRS
Institutional Holdings
Insider Transactions
US Institutional Ownership
75.7%
Institution
Shares
Value
Ownership %
Change
Filing Date
SAMSARA BIOCAPITAL, LLC
12.88M
$52.0M
54.11%
-66.9K
2026-06-30
RTW INVESTMENTS, LP
1.30M
$5.0M
5.46%
--
2026-06-30
Alyeska Investment Group, L.P.
572.7K
$2.0M
2.41%
--
2026-06-30
Siren, L.L.C.
435.8K
$1.0M
1.83%
--
2026-06-30
VANGUARD CAPITAL MANAGEMENT LLC
398.7K
$1.0M
1.67%
+143.4K
2026-06-30
Ikarian Capital, LLC
360.0K
$1.0M
1.51%
--
2026-06-30
UBS Group AG
262.1K
$1.0M
1.10%
+255.9K
2026-06-30
RENAISSANCE TECHNOLOGIES LLC
149.4K
--
0.63%
+83.2K
2026-06-30
MARSHALL WACE, LLP
139.2K
--
0.58%
+71.3K
2026-06-30
GEODE CAPITAL MANAGEMENT, LLC
114.0K
--
0.48%
+26.5K
2026-06-30
ADAR1 Capital Management, LLC
100.0K
--
0.42%
--
2026-06-30
Woodline Partners LP
100.0K
--
0.42%
--
2026-06-30
WHI TRUST Co LLC
97.5K
--
0.41%
--
2026-06-30
RAYMOND JAMES FINANCIAL INC
97.2K
--
0.41%
-21.7K
2026-06-30
CITADEL ADVISORS LLC
95.8K
--
0.40%
--
2026-06-30
BOOTHBAY FUND MANAGEMENT, LLC
92.3K
--
0.39%
--
2026-06-30
Verdad Advisers, LP
80.3K
--
0.34%
--
2026-06-30
MORGAN STANLEY
72.3K
--
0.30%
+34.0K
2026-06-30
VANGUARD FIDUCIARY TRUST CO
66.2K
--
0.28%
+29.5K
2026-06-30
BlackRock, Inc.
54.4K
--
0.23%
+18.4K
2026-06-30
Belpointe Asset Management LLC
40.0K
--
0.17%
--
2026-06-30
Fortis Capital Advisors, LLC
40.0K
--
0.17%
--
2026-06-30
Pale Fire Capital SE
39.6K
--
0.17%
--
2026-06-30
Squarepoint Ops LLC
38.8K
--
0.16%
-998
2026-06-30
BRIDGEWAY CAPITAL MANAGEMENT, LLC
32.5K
--
0.14%
+10.0K
2026-06-30
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