ORLANDO, FL
M-TRON INDUSTRIES, INC.MPTI-RI— Latest position per institution from SEC 13F filings
15
Institutional holders
1.62M
Total shares held
106.64M
Estimated value
81.22K
Avg. position size
GAMCO INVESTORS, INC. ET AL
CIK 807249
Shares
168.40K
Value
11.26M
Filed
Mar 31, 2026
VANGUARD GROUP INC
CIK 102909
Shares
143.58K
Value
7.64M
Filed
Dec 31, 2025
BLACKROCK, INC.
CIK 2012383
Shares
141.75K
Value
9.48M
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
116.77K
Value
7.81M
Filed
Mar 31, 2026
NEXT CENTURY GROWTH INVESTORS LLC
CIK 1134007
Shares
108.22K
Value
7.23M
Filed
Mar 31, 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 1037389
Shares
96.79K
Value
6.47M
Filed
Mar 31, 2026
BARD ASSOCIATES INC
CIK 1105907
Shares
85.52K
Value
5.72M
Filed
Mar 31, 2026
PALISADES INVESTMENT PARTNERS, LLC
CIK 1427373
Shares
81.03K
Value
5.42M
Filed
Mar 31, 2026
ARCHON CAPITAL MANAGEMENT LLC
CIK 1398825
Shares
78.23K
Value
5.23M
Filed
Mar 31, 2026
NOMURA HOLDINGS INC
CIK 1163653
Shares
72.52K
Value
4.85M
Filed
Mar 31, 2026
ARISTIDES CAPITAL LLC
CIK 1595521
Shares
65.67K
Value
4.39M
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
63.93K
Value
4.27M
Filed
Mar 31, 2026
TWO SIGMA INVESTMENTS, LP
CIK 1179392
Shares
62.46K
Value
4.18M
Filed
Mar 31, 2026
HERALD INVESTMENT MANAGEMENT LTD
CIK 1512022
Shares
55K
Value
3.69M
Filed
Mar 31, 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
ADVISORY RESEARCH INC
CIK 902584
Shares
50.54K
Value
3.38M
Filed
Mar 31, 2026
DIMENSIONAL FUND ADVISORS LP
CIK 354204
Shares
44.99K
Value
3.01M
Filed
Mar 31, 2026
STATE STREET CORP
CIK 93751
Shares
44.28K
Value
2.96M
Filed
Mar 31, 2026
CONGRUENCE CAPITAL, LLC
CIK 2085569
Shares
42.26K
Value
2.82M
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | GAMCO INVESTORS, INC. ET AL | 807249 | 168.40K | 11.26M | Mar 31, 2026 |
| 2 | VANGUARD GROUP INC | 102909 | 143.58K | 7.64M | Dec 31, 2025 |
| 3 | BLACKROCK, INC. | 2012383 | 141.75K | 9.48M | Mar 31, 2026 |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 116.77K | 7.81M | Mar 31, 2026 |
| 5 | NEXT CENTURY GROWTH INVESTORS LLC | 1134007 | 108.22K | 7.23M | Mar 31, 2026 |
| 6 | RENAISSANCE TECHNOLOGIES LLC | 1037389 | 96.79K | 6.47M | Mar 31, 2026 |
| 7 | BARD ASSOCIATES INC | 1105907 | 85.52K | 5.72M | Mar 31, 2026 |
| 8 | PALISADES INVESTMENT PARTNERS, LLC | 1427373 | 81.03K | 5.42M | Mar 31, 2026 |
| 9 | ARCHON CAPITAL MANAGEMENT LLC | 1398825 | 78.23K | 5.23M | Mar 31, 2026 |
| 10 | NOMURA HOLDINGS INC | 1163653 | 72.52K | 4.85M | Mar 31, 2026 |
| 11 | ARISTIDES CAPITAL LLC | 1595521 | 65.67K | 4.39M | Mar 31, 2026 |
| 12 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 63.93K | 4.27M | Mar 31, 2026 |
| 13 | TWO SIGMA INVESTMENTS, LP | 1179392 | 62.46K | 4.18M | Mar 31, 2026 |
| 14 | HERALD INVESTMENT MANAGEMENT LTD | 1512022 | 55K | 3.69M | Mar 31, 2026 |
| 15 | MARSHALL WACE, LLP | 1318757 | 51.59K | 3.45M | Mar 31, 2026 |
| 16 | GRANDEUR PEAK GLOBAL ADVISORS, LLC | 1569137 | 50.85K | 3.40M | Mar 31, 2026 |
| 17 | ADVISORY RESEARCH INC | 902584 | 50.54K | 3.38M | Mar 31, 2026 |
| 18 | DIMENSIONAL FUND ADVISORS LP | 354204 | 44.99K | 3.01M | Mar 31, 2026 |
| 19 | STATE STREET CORP | 93751 | 44.28K | 2.96M | Mar 31, 2026 |
| 20 | CONGRUENCE CAPITAL, LLC | 2085569 | 42.26K | 2.82M | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.