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Ownership — MPTI
Institutional Holdings
Insider Transactions
US Institutional Ownership
59.4%
Institution
Shares
Value
Ownership %
Change
Filing Date
T. Rowe Price Investment Management, Inc.
255.5K
$25.0M
5.88%
--
2026-06-30
BlackRock, Inc.
253.0K
$25.0M
5.82%
+111.2K
2026-06-30
Vanguard Capital Management LLC
173.1K
$17.0M
3.98%
+56.4K
2026-06-30
Royce & Associates LP
156.6K
$15.0M
3.60%
+148.3K
2026-06-30
Two Sigma Investments, LP
132.5K
$13.0M
3.05%
--
2026-06-30
Next Century Growth Investors LLC
124.2K
$12.0M
2.86%
+16.0K
2026-06-30
Geode Capital Management, LLC
100.6K
$9.0M
2.32%
+36.7K
2026-06-30
Renaissance Technologies LLC
96.0K
$9.0M
2.21%
-784
2026-06-30
State Street Corp
82.5K
$8.0M
1.90%
+38.2K
2026-06-30
Palisades Investment Partners, LLC
82.3K
$8.0M
1.89%
+1.3K
2026-06-30
Congruence Capital, LLC
66.7K
$6.0M
1.53%
+24.4K
2026-06-30
Advisory Research Inc
59.0K
$5.0M
1.36%
+8.5K
2026-06-30
HERALD INVESTMENT MANAGEMENT Ltd
58.5K
$5.0M
1.35%
+3.5K
2026-06-30
D. E. Shaw & Co., Inc.
48.5K
$4.0M
1.12%
+43.1K
2026-06-30
Dimensional Fund Advisors LP
47.7K
$4.0M
1.10%
+2.7K
2026-06-30
Hunter Associates Investment Management LLC
46.8K
$4.0M
1.08%
--
2026-06-30
Bard Associates Inc
44.6K
$4.0M
1.03%
-40.9K
2026-06-30
Aristides Capital LLC
41.2K
$4.0M
0.95%
-24.5K
2026-06-30
Northern Trust Corp
39.8K
$3.0M
0.92%
+11.4K
2026-06-30
Potrero Capital Research LLC
38.2K
$3.0M
0.88%
+6.4K
2026-06-30
New York State Common Retirement Fund
31.7K
$3.0M
0.73%
--
2026-06-30
Vanguard Portfolio Management LLC
31.0K
$3.0M
0.71%
+11.1K
2026-06-30
BNP Paribas Financial Markets
30.6K
$3.0M
0.70%
+8.2K
2026-06-30
Vanguard Fiduciary Trust Co
27.2K
$2.0M
0.63%
+5.6K
2026-06-30
Verition Fund Management LLC
25.0K
$2.0M
0.58%
--
2026-06-30
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