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Overview
Financials
Chart
Business Summary
Filings
Ownership
Valuation
Ownership — XLO
Institutional Holdings
Insider Transactions
US Institutional Ownership
41.9%
Institution
Shares
Value
Ownership %
Change
Filing Date
Bain Capital Life Sciences Investors, LLC
664.0K
$6.0M
10.09%
--
2026-06-30
ORBIMED ADVISORS LLC
592.3K
$5.0M
9.00%
--
2026-06-30
Frazier Life Sciences Management, L.P.
422.5K
$4.0M
6.42%
--
2026-06-30
Stonepine Capital Management, LLC
226.0K
$2.0M
3.43%
+161.8K
2026-06-30
VANGUARD CAPITAL MANAGEMENT LLC
178.5K
$1.0M
2.71%
+54.9K
2026-06-30
Sio Capital Management, LLC
152.5K
$1.0M
2.32%
--
2026-06-30
ADAGE CAPITAL PARTNERS GP, L.L.C.
111.5K
$1.0M
1.70%
--
2026-06-30
Merck & Co., Inc.
106.0K
$1.0M
1.61%
--
2026-06-30
RENAISSANCE TECHNOLOGIES LLC
64.2K
--
0.97%
+14.6K
2026-06-30
MORGAN STANLEY
57.0K
--
0.87%
-539
2026-06-30
GEODE CAPITAL MANAGEMENT, LLC
39.1K
--
0.59%
+1.9K
2026-06-30
CITADEL ADVISORS LLC
25.9K
--
0.39%
--
2026-06-30
VANGUARD FIDUCIARY TRUST CO
22.6K
--
0.34%
-5.9K
2026-06-30
BRIDGEWAY CAPITAL MANAGEMENT, LLC
17.5K
--
0.27%
--
2026-06-30
TWO SIGMA INVESTMENTS, LP
14.5K
--
0.22%
--
2026-06-30
Velan Capital Investment Management LP
14.3K
--
0.22%
--
2026-06-30
GSA CAPITAL PARTNERS LLP
13.6K
--
0.21%
-3.4K
2026-06-30
STATE STREET CORP
13.3K
--
0.20%
--
2026-06-30
PRELUDE CAPITAL MANAGEMENT, LLC
11.6K
--
0.18%
--
2026-06-30
BlackRock, Inc.
8.8K
--
0.13%
--
2026-06-30
Steward Partners Investment Advisory, LLC
714
--
0.01%
--
2026-06-30
Key Financial Inc
59
--
0.00%
--
2026-06-30
JONES FINANCIAL COMPANIES LLLP
29
--
0.00%
--
2026-06-30
UBS Group AG
14
--
0.00%
-4.0K
2026-06-30
