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Overview
Financials
Chart
Business Summary
Filings
Ownership
Valuation
Ownership — OPTXW
Institutional Holdings
Insider Transactions
US Institutional Ownership
3.7%
Institution
Shares
Value
Ownership %
Change
Filing Date
Cable Car Capital, LP
1.15M
$2.0M
1.56%
+703.4K
2026-06-30
Fort Baker Capital Management LP
370.3K
--
0.50%
--
2026-06-30
Calamos Advisors LLC
250.0K
--
0.34%
--
2026-06-30
ARISTEIA CAPITAL, L.L.C.
196.6K
--
0.27%
--
2026-06-30
Saba Capital Management, L.P.
193.0K
--
0.26%
-94.0K
2026-06-30
Crewe Advisors LLC
93.0K
--
0.13%
+56.0K
2026-06-30
WHITEBOX ADVISORS LLC
69.8K
--
0.09%
--
2026-06-30
WOLVERINE ASSET MANAGEMENT LLC
66.8K
--
0.09%
+48.2K
2026-06-30
HRT FINANCIAL LP
60.7K
--
0.08%
--
2026-06-30
Lineage Point Capital LP
55.5K
--
0.08%
--
2026-06-30
SkyView Investment Advisors, LLC
46.0K
--
0.06%
-4.2K
2026-06-30
GOLDMAN SACHS GROUP INC
45.5K
--
0.06%
--
2026-06-30
Greenland Capital Management LP
37.5K
--
0.05%
--
2026-06-30
Mint Tower Capital Management B.V.
22.6K
--
0.03%
--
2026-06-30
Clear Street Group Inc.
18.9K
--
0.03%
-215.4K
2026-06-30
MILLENNIUM MANAGEMENT LLC
18.8K
--
0.03%
--
2026-06-30
NATIONAL BANK OF CANADA /FI/
3.0K
--
0.00%
-10.5K
2026-06-30
UBS Group AG
2.6K
--
0.00%
+952
2026-06-30
LONGFELLOW INVESTMENT MANAGEMENT CO LLC
213
--
0.00%
--
2026-06-30
