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Overview
Financials
Chart
Business Summary
Filings
Ownership
Valuation
Ownership — GCTK
Institutional Holdings
Insider Transactions
US Institutional Ownership
9.2%
Institution
Shares
Value
Ownership %
Change
Filing Date
HRT FINANCIAL LP
205.4K
--
3.28%
+164.8K
2026-06-30
JANE STREET GROUP, LLC
128.5K
--
2.05%
--
2026-06-30
CITADEL ADVISORS LLC
79.5K
--
1.27%
--
2026-06-30
Ikarian Capital, LLC
45.8K
--
0.73%
--
2026-06-30
GEODE CAPITAL MANAGEMENT, LLC
34.2K
--
0.55%
-12.8K
2026-06-30
Virtu Financial LLC
18.7K
--
0.30%
--
2026-06-30
GRANITE ISLANDS PRIVATE WEALTH, LLC
15.7K
--
0.25%
--
2026-06-30
BOOTHBAY FUND MANAGEMENT, LLC
13.5K
--
0.22%
--
2026-06-30
UBS Group AG
13.3K
--
0.21%
+12.6K
2026-06-30
CITIGROUP INC
12.9K
--
0.21%
--
2026-06-30
ALERUS FINANCIAL NA
4.0K
--
0.06%
--
2026-06-30
Tower Research Capital LLC (TRC)
3.4K
--
0.05%
--
2026-06-30
PlanVest Financial, Inc
1.0K
--
0.02%
--
2026-06-30
Tradewinds Capital Management, LLC
50
--
0.00%
--
2026-06-30
NFSG Corp
34
--
0.00%
--
2026-06-30
SBI Securities Co., Ltd.
9
--
0.00%
--
2026-06-30
OSAIC HOLDINGS, INC.
2
--
0.00%
--
2026-06-30
