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Ownership — OPTT
Institutional Holdings
Insider Transactions
US Institutional Ownership
100.0%
Institution
Shares
Value
Ownership %
Change
Filing Date
Vanguard Capital Management LLC
8.92M
$2.0M
99.05%
+340.6K
2026-06-30
UBS Group AG
6.87M
$1.0M
76.29%
+2.89M
2026-06-30
BlackRock, Inc.
3.33M
--
36.97%
-1
2026-06-30
Polar Asset Management Partners Inc.
3.04M
--
33.80%
--
2026-06-30
Geode Capital Management, LLC
2.20M
--
24.42%
+43.1K
2026-06-30
Vanguard Fiduciary Trust Co
1.39M
--
15.41%
+353.2K
2026-06-30
Spinnaker Investment Group, LLC
1.04M
--
11.56%
--
2026-06-30
State Street Corp
982.7K
--
10.91%
+172.4K
2026-06-30
Cambridge Investment Research Advisors, Inc.
697.0K
--
7.74%
+400.0K
2026-06-30
Northern Trust Corp
519.2K
--
5.77%
+169.8K
2026-06-30
Hamilton Capital Partners, LLC
500.2K
--
5.55%
+198.3K
2026-06-30
Caption Management, LLC
475.0K
--
5.28%
--
2026-06-30
Peak6 LLC
399.9K
--
4.44%
-14.1K
2026-06-30
Citadel Advisors LLC
365.2K
--
4.06%
+88.4K
2026-06-30
HighTower Advisors, LLC
350.1K
--
3.89%
--
2026-06-30
Jane Street Group, LLC
214.9K
--
2.39%
+153.6K
2026-06-30
Essex Investment Management Co LLC
204.9K
--
2.28%
-329
2026-06-30
D'Orazio & Associates, Inc.
197.5K
--
2.19%
-207.2K
2026-06-30
OneDigital Investment Advisors LLC
159.5K
--
1.77%
-22.7K
2026-06-30
Pinnacle Financial Partners, Inc.
130.5K
--
1.45%
+30.0K
2026-06-30
Simplex Trading, LLC
129.8K
--
1.44%
-22.5K
2026-06-30
Diversify Advisory Services, LLC
120.0K
--
1.33%
--
2026-06-30
Diversify Wealth Management, LLC
120.0K
--
1.33%
+60.4K
2026-06-30
IMC-Chicago, LLC
103.2K
--
1.15%
+68.9K
2026-06-30
Focus Partners Wealth
81.5K
--
0.91%
--
2026-06-30
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