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Overview
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Business Summary
Filings
Ownership
Valuation
Ownership — NTIC
Institutional Holdings
Insider Transactions
US Institutional Ownership
29.2%
Institution
Shares
Value
Ownership %
Change
Filing Date
NEEDHAM INVESTMENT MANAGEMENT LLC
800.0K
$6.0M
8.42%
+35.0K
2026-06-30
VANGUARD CAPITAL MANAGEMENT LLC
393.3K
$3.0M
4.14%
+9.5K
2026-06-30
DIMENSIONAL FUND ADVISORS LP
335.7K
$2.0M
3.53%
+2.3K
2026-06-30
Peapod Lane Capital LLC
176.1K
$1.0M
1.85%
+33.5K
2026-06-30
BALLAST ADVISORS LLC
158.7K
$1.0M
1.67%
-12.3K
2026-06-30
North Star Investment Management Corp.
148.0K
$1.0M
1.56%
--
2026-06-30
RENAISSANCE TECHNOLOGIES LLC
122.6K
$1.0M
1.29%
+3.8K
2026-06-30
Dynamic Advisor Solutions LLC
91.7K
--
0.97%
+3.6K
2026-06-30
GEODE CAPITAL MANAGEMENT, LLC
89.0K
--
0.94%
-2.5K
2026-06-30
RBF Capital, LLC
59.6K
--
0.63%
--
2026-06-30
BlackRock, Inc.
48.3K
--
0.51%
+7.5K
2026-06-30
VANGUARD FIDUCIARY TRUST CO
44.5K
--
0.47%
+318
2026-06-30
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
43.2K
--
0.46%
--
2026-06-30
MILLENNIUM MANAGEMENT LLC
39.3K
--
0.41%
-5.8K
2026-06-30
STATE STREET CORP
25.7K
--
0.27%
--
2026-06-30
NAVELLIER & ASSOCIATES INC
25.0K
--
0.26%
--
2026-06-30
PNC Financial Services Group, Inc.
24.0K
--
0.25%
--
2026-06-30
Marquette Asset Management, LLC
23.9K
--
0.25%
--
2026-06-30
Rothschild Wealth LLC
18.6K
--
0.20%
--
2026-06-30
NORTHERN TRUST CORP
16.4K
--
0.17%
--
2026-06-30
BRIDGEWAY CAPITAL MANAGEMENT, LLC
15.7K
--
0.16%
--
2026-06-30
CITADEL ADVISORS LLC
13.9K
--
0.15%
-9.9K
2026-06-30
Qube Research & Technologies Ltd
12.8K
--
0.14%
+1.0K
2026-06-30
Estabrook Capital Management
12.2K
--
0.13%
--
2026-06-30
MORGAN STANLEY
9.4K
--
0.10%
-15
2026-06-30
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