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Overview
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Business Summary
Filings
Ownership
Valuation
Ownership — MNTK
Institutional Holdings
Insider Transactions
US Institutional Ownership
14.5%
Institution
Shares
Value
Ownership %
Change
Filing Date
BlackRock, Inc.
4.71M
$7.0M
3.29%
+490.9K
2026-06-30
VANGUARD CAPITAL MANAGEMENT LLC
2.71M
$4.0M
1.89%
+18.2K
2026-06-30
GEODE CAPITAL MANAGEMENT, LLC
1.88M
$2.0M
1.31%
+120.0K
2026-06-30
Baader Bank Aktiengesellschaft
1.60M
$2.0M
1.12%
--
2026-06-30
STATE STREET CORP
1.37M
$2.0M
0.96%
+4.2K
2026-06-30
AMERICAN CENTURY COMPANIES INC
950.4K
$1.0M
0.66%
-4.0K
2026-06-30
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
539.3K
--
0.38%
+18.7K
2026-06-30
Sixth Street Partners Management Company, L.P.
539.3K
--
0.38%
--
2026-06-30
NORTHERN TRUST CORP
536.1K
--
0.37%
+30.7K
2026-06-30
VANGUARD PORTFOLIO MANAGEMENT LLC
469.1K
--
0.33%
+80.1K
2026-06-30
DIMENSIONAL FUND ADVISORS LP
448.8K
--
0.31%
-287.8K
2026-06-30
VANGUARD FIDUCIARY TRUST CO
438.8K
--
0.31%
+6.5K
2026-06-30
Hosking Partners LLP
390.5K
--
0.27%
-6.4K
2026-06-30
FIRST TRUST ADVISORS LP
381.9K
--
0.27%
+69.9K
2026-06-30
GOLDMAN SACHS GROUP INC
377.3K
--
0.26%
+46.1K
2026-06-30
RENAISSANCE TECHNOLOGIES LLC
364.8K
--
0.25%
+10.2K
2026-06-30
JPMORGAN CHASE & CO
271.0K
--
0.19%
+98.8K
2026-06-30
AQR CAPITAL MANAGEMENT LLC
238.2K
--
0.17%
+199.8K
2026-06-30
GSA CAPITAL PARTNERS LLP
201.1K
--
0.14%
-88.8K
2026-06-30
JTC Employer Solutions Trustee Ltd
197.9K
--
0.14%
--
2026-06-30
Bank of New York Mellon Corp
195.9K
--
0.14%
--
2026-06-30
MORGAN STANLEY
167.2K
--
0.12%
-94.2K
2026-06-30
Nuveen, LLC
162.0K
--
0.11%
+22.4K
2026-06-30
ALLIANCEBERNSTEIN L.P.
142.1K
--
0.10%
+44.6K
2026-06-30
Caprock Group, LLC
119.8K
--
0.08%
--
2026-06-30
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