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Overview
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Business Summary
Filings
Ownership
Valuation
Ownership — GLSI
Institutional Holdings
Insider Transactions
US Institutional Ownership
11.6%
Institution
Shares
Value
Ownership %
Change
Filing Date
BlackRock, Inc.
485.9K
$11.0M
3.31%
+52.0K
2026-06-30
VANGUARD CAPITAL MANAGEMENT LLC
278.2K
$6.0M
1.90%
-20.1K
2026-06-30
GEODE CAPITAL MANAGEMENT, LLC
168.2K
$3.0M
1.15%
+12.7K
2026-06-30
STATE STREET CORP
143.1K
$3.0M
0.97%
+9.2K
2026-06-30
VANGUARD PORTFOLIO MANAGEMENT LLC
80.9K
$1.0M
0.55%
+21.9K
2026-06-30
NORTHERN TRUST CORP
80.2K
$1.0M
0.55%
+5.1K
2026-06-30
Bank of New York Mellon Corp
47.9K
$1.0M
0.33%
+1.4K
2026-06-30
VANGUARD FIDUCIARY TRUST CO
46.0K
$1.0M
0.31%
+1.1K
2026-06-30
MORGAN STANLEY
43.4K
$1.0M
0.30%
+13.6K
2026-06-30
GOLDMAN SACHS GROUP INC
39.3K
--
0.27%
-192
2026-06-30
Russell Investments Group, Ltd.
34.4K
--
0.23%
-5.3K
2026-06-30
JANE STREET GROUP, LLC
27.7K
--
0.19%
+18.0K
2026-06-30
UBS Group AG
23.4K
--
0.16%
+2.3K
2026-06-30
STATE OF WISCONSIN INVESTMENT BOARD
22.6K
--
0.15%
+2.3K
2026-06-30
GSA CAPITAL PARTNERS LLP
19.5K
--
0.13%
--
2026-06-30
MASSACHUSETTS FINANCIAL SERVICES CO /MA/
17.9K
--
0.12%
--
2026-06-30
STRS OHIO
17.8K
--
0.12%
+4.1K
2026-06-30
Sixth Street Partners Management Company, L.P.
17.1K
--
0.12%
--
2026-06-30
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
17.1K
--
0.12%
+495
2026-06-30
Vanguard Global Advisers, LLC
11.9K
--
0.08%
+1.5K
2026-06-30
Ancora Advisors LLC
10.7K
--
0.07%
-26.8K
2026-06-30
STIFEL FINANCIAL CORP
10.0K
--
0.07%
--
2026-06-30
RAYMOND JAMES FINANCIAL INC
9.1K
--
0.06%
-700
2026-06-30
RHUMBLINE ADVISERS
8.4K
--
0.06%
+341
2026-06-30
WELLS FARGO & COMPANY/MN
6.1K
--
0.04%
+3.7K
2026-06-30
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