ORLANDO, FL
M-TRON INDUSTRIES, INC.MPTI-RI— Latest position per institution from SEC 13F filings
15
Institutional holders
2.26M
Total shares held
186.17M
Estimated value
112.83K
Avg. position size
T. ROWE PRICE INVESTMENT MANAGEMENT, INC.
CIK 1897612
Shares
255.51K
Value
25.33K
Filed
Jun 30, 2026
BLACKROCK, INC.
CIK 2012383
Shares
252.97K
Value
25.08M
Filed
Jun 30, 2026
GAMCO INVESTORS, INC. ET AL
CIK 807249
Shares
201.28K
Value
19.96M
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
173.15K
Value
17.17M
Filed
Jun 30, 2026
ROYCE & ASSOCIATES LP
CIK 906304
Shares
156.59K
Value
15.53M
Filed
Jun 30, 2026
VANGUARD GROUP INC
CIK 102909
Shares
143.58K
Value
7.64M
Filed
Dec 31, 2025
TWO SIGMA INVESTMENTS, LP
CIK 1179392
Shares
132.47K
Value
13.13M
Filed
Jun 30, 2026
NEXT CENTURY GROWTH INVESTORS LLC
CIK 1134007
Shares
124.17K
Value
12.31M
Filed
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
100.65K
Value
9.98M
Filed
Jun 30, 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 1037389
Shares
96K
Value
9.52M
Filed
Jun 30, 2026
STATE STREET CORP
CIK 93751
Shares
82.49K
Value
8.18M
Filed
Jun 30, 2026
PALISADES INVESTMENT PARTNERS, LLC
CIK 1427373
Shares
82.30K
Value
8.16M
Filed
Jun 30, 2026
NOMURA HOLDINGS INC
CIK 1163653
Shares
72.52K
Value
4.85M
Filed
Mar 31, 2026
CONGRUENCE CAPITAL, LLC
CIK 2085569
Shares
66.70K
Value
6.61M
Filed
Jun 30, 2026
ADVISORY RESEARCH INC
CIK 902584
Shares
59.01K
Value
5.85M
Filed
Jun 30, 2026
HERALD INVESTMENT MANAGEMENT LTD
CIK 1512022
Shares
58.50K
Value
5.79M
Filed
Jun 30, 2026
MARSHALL WACE, LLP
CIK 1318757
Shares
51.59K
Value
3.45M
Filed
Mar 31, 2026
GRANDEUR PEAK GLOBAL ADVISORS, LLC
CIK 1569137
Shares
50.85K
Value
3.40M
Filed
Mar 31, 2026
D. E. SHAW & CO., INC.
CIK 1009207
Shares
48.49K
Value
4.81M
Filed
Jun 30, 2026
DIMENSIONAL FUND ADVISORS LP
CIK 354204
Shares
47.68K
Value
4.73M
Filed
Jun 30, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | 1897612 | 255.51K | 25.33K | Jun 30, 2026 |
| 2 | BLACKROCK, INC. | 2012383 | 252.97K | 25.08M | Jun 30, 2026 |
| 3 | GAMCO INVESTORS, INC. ET AL | 807249 | 201.28K | 19.96M | Jun 30, 2026 |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 173.15K | 17.17M | Jun 30, 2026 |
| 5 | ROYCE & ASSOCIATES LP | 906304 | 156.59K | 15.53M | Jun 30, 2026 |
| 6 | VANGUARD GROUP INC | 102909 | 143.58K | 7.64M | Dec 31, 2025 |
| 7 | TWO SIGMA INVESTMENTS, LP | 1179392 | 132.47K | 13.13M | Jun 30, 2026 |
| 8 | NEXT CENTURY GROWTH INVESTORS LLC | 1134007 | 124.17K | 12.31M | Jun 30, 2026 |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 100.65K | 9.98M | Jun 30, 2026 |
| 10 | RENAISSANCE TECHNOLOGIES LLC | 1037389 | 96K | 9.52M | Jun 30, 2026 |
| 11 | STATE STREET CORP | 93751 | 82.49K | 8.18M | Jun 30, 2026 |
| 12 | PALISADES INVESTMENT PARTNERS, LLC | 1427373 | 82.30K | 8.16M | Jun 30, 2026 |
| 13 | NOMURA HOLDINGS INC | 1163653 | 72.52K | 4.85M | Mar 31, 2026 |
| 14 | CONGRUENCE CAPITAL, LLC | 2085569 | 66.70K | 6.61M | Jun 30, 2026 |
| 15 | ADVISORY RESEARCH INC | 902584 | 59.01K | 5.85M | Jun 30, 2026 |
| 16 | HERALD INVESTMENT MANAGEMENT LTD | 1512022 | 58.50K | 5.79M | Jun 30, 2026 |
| 17 | MARSHALL WACE, LLP | 1318757 | 51.59K | 3.45M | Mar 31, 2026 |
| 18 | GRANDEUR PEAK GLOBAL ADVISORS, LLC | 1569137 | 50.85K | 3.40M | Mar 31, 2026 |
| 19 | D. E. SHAW & CO., INC. | 1009207 | 48.49K | 4.81M | Jun 30, 2026 |
| 20 | DIMENSIONAL FUND ADVISORS LP | 354204 | 47.68K | 4.73M | Jun 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.