M-tron Industries, Inc. - MPTI

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q1 2026 · Compare: Q4 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
GAMCO INVESTORS, INC. ET AL History Reduced 168,400 11,257 0.11% 0.09% 1 -5,860 -3.36% Q1 2026 May 14, 2026
BlackRock, Inc. History Added to 141,748 9,475 0.0% 0.0% 2 +6,370 4.71% Q1 2026 May 13, 2026
VANGUARD CAPITAL MANAGEMENT LLC History New 116,768 7,805 0.0% 3 +116,768 New Q1 2026 May 15, 2026
VANGUARD GROUP INC History No change 143,581 7,641 0.0% 0.0% 4 0 0.0% Q4 2025 Jan 29, 2026
NEXT CENTURY GROWTH INVESTORS LLC History Reduced 108,220 7,234 0.52% 0.41% 5 -1,664 -1.51% Q1 2026 May 14, 2026
RENAISSANCE TECHNOLOGIES LLC History Added to 96,789 6,470 0.01% 0.0% 6 +36,230 59.83% Q1 2026 May 14, 2026
BARD ASSOCIATES INC History Reduced 85,518 5,716 1.43% 1.18% 7 -611 -0.71% Q1 2026 May 07, 2026
Palisades Investment Partners, LLC History Added to 81,027 5,416 2.12% 1.34% 8 +14,276 21.39% Q1 2026 Apr 30, 2026
Archon Capital Management LLC History Reduced 78,233 5,229 2.95% 3.58% 9 -40,000 -33.83% Q1 2026 May 14, 2026
NOMURA HOLDINGS INC History New 72,516 4,847 0.01% 10 +72,516 New Q1 2026 May 15, 2026
Aristides Capital LLC History Added to 65,673 4,390 0.95% 0.51% 11 +11,619 21.5% Q1 2026 May 14, 2026
GEODE CAPITAL MANAGEMENT, LLC History Added to 63,931 4,274 0.0% 0.0% 12 +7,077 12.45% Q1 2026 May 15, 2026
TWO SIGMA INVESTMENTS, LP History Added to 62,463 4,175 0.0% 0.0% 13 +40,917 189.91% Q1 2026 May 15, 2026
HERALD INVESTMENT MANAGEMENT Ltd History Reduced 55,000 3,685 0.51% 0.46% 14 -12,000 -17.91% Q1 2026 May 13, 2026
MARSHALL WACE, LLP History Added to 51,593 3,448 0.0% 0.0% 15 +35,999 230.85% Q1 2026 May 14, 2026
Grandeur Peak Global Advisors, LLC History Added to 50,848 3,399 0.8% 0.32% 16 +6,787 15.4% Q1 2026 May 15, 2026
ADVISORY RESEARCH INC History Added to 50,543 3,378 0.42% 0.24% 17 +14,944 41.98% Q1 2026 May 14, 2026
DIMENSIONAL FUND ADVISORS LP History Added to 44,988 3,007 0.0% 0.0% 18 +2,540 5.98% Q1 2026 May 07, 2026
STATE STREET CORP History Added to 44,283 2,960 0.0% 0.0% 19 +8,580 24.03% Q1 2026 May 15, 2026
Congruence Capital, LLC History New 42,256 2,824 0.95% 20 +42,256 New Q1 2026 May 14, 2026
Cable Car Capital, LP History New 40,000 2,674 0.92% 21 +40,000 New Q1 2026 May 15, 2026
Potrero Capital Research LLC History New 31,801 2,125 1.3% 22 +31,801 New Q1 2026 May 15, 2026
NEW YORK STATE COMMON RETIREMENT FUND History No change 31,660 2,116 0.0% 0.0% 23 0 0.0% Q1 2026 May 06, 2026
NORTHERN TRUST CORP History Added to 28,433 1,900 0.0% 0.0% 24 +2,807 10.95% Q1 2026 May 14, 2026
Illumine Investment Management, LLC History Reduced 24,093 1,610 1.24% 0.95% 25 -535 -2.17% Q1 2026 May 04, 2026
CITADEL ADVISORS LLC History Added to 22,755 1,521 0.0% 0.0% 26 +10,216 81.47% Q1 2026 May 15, 2026
BNP PARIBAS FINANCIAL MARKETS History Reduced 22,428 1,499 0.0% 0.0% 27 -296 -1.3% Q1 2026 May 12, 2026
ExodusPoint Capital Management, LP History New 21,882 1,462 0.01% 28 +21,882 New Q1 2026 May 14, 2026
VANGUARD FIDUCIARY TRUST CO History New 21,597 1,443 0.0% 29 +21,597 New Q1 2026 May 08, 2026
MCINTYRE FREEDMAN & FLYNN INVESTMENT ADVISERS INC History Reduced 21,500 1,437 0.81% 0.73% 30 -500 -2.27% Q1 2026 May 13, 2026
UBS Group AG History Added to 21,316 1,424 0.0% 0.0% 31 +11,619 119.82% Q1 2026 May 05, 2026
AMERIPRISE FINANCIAL INC History Reduced 20,131 1,345 0.0% 0.0% 32 -245 -1.2% Q1 2026 May 15, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC History New 19,807 1,324 0.0% 33 +19,807 New Q1 2026 May 08, 2026
SEI INVESTMENTS CO History New 18,398 1,229 0.0% 34 +18,398 New Q1 2026 May 13, 2026
MORGAN STANLEY History Reduced 17,119 1,144 0.0% 0.0% 35 -2,109 -10.97% Q1 2026 May 15, 2026
JANE STREET GROUP, LLC History Added to 14,549 972 0.0% 0.0% 36 +10,051 223.45% Q1 2026 May 12, 2026
Russell Investments Group, Ltd. History Added to 14,294 955 0.0% 0.0% 37 +14,082 6642.45% Q1 2026 May 08, 2026
Janney Montgomery Scott LLC History Reduced 12,329 824 0.0% 0.0% 38 -450 -3.52% Q1 2026 Apr 22, 2026
APIS CAPITAL ADVISORS, LLC History New 12,000 802 0.12% 39 +12,000 New Q1 2026 May 15, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History New 11,906 795 0.0% 40 +11,906 New Q1 2026 May 15, 2026
Bank of New York Mellon Corp History Added to 11,074 740 0.0% 0.0% 41 +509 4.82% Q1 2026 May 05, 2026
XTX Topco Ltd History New 10,631 710 0.01% 42 +10,631 New Q1 2026 May 15, 2026
Nuveen, LLC History New 10,077 673 0.0% 43 +10,077 New Q1 2026 Apr 30, 2026
Concorde Asset Management, LLC History Reduced 9,963 666 0.33% 0.43% 44 -10,023 -50.15% Q1 2026 Jun 01, 2026
FIRST TRUST ADVISORS LP History Added to 9,939 664 0.0% 0.0% 45 +1,695 20.56% Q1 2026 May 13, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC History Reduced 8,658 578 0.0% 0.0% 46 -110 -1.25% Q1 2026 May 15, 2026
ROYCE & ASSOCIATES LP History New 8,324 556 0.01% 47 +8,324 New Q1 2026 May 12, 2026
AMERICAN CENTURY COMPANIES INC History Reduced 7,749 518 0.0% 0.0% 48 -94 -1.2% Q1 2026 May 15, 2026
MILLENNIUM MANAGEMENT LLC History Added to 7,307 488 0.0% 0.0% 49 +2,862 64.39% Q1 2026 May 15, 2026
BRIDGEWAY CAPITAL MANAGEMENT, LLC History No change 6,934 463 0.01% 0.01% 50 0 0.0% Q1 2026 May 15, 2026
Marex Group plc History New 5,932 396 0.0% 51 +5,932 New Q1 2026 May 13, 2026
CORSAIR CAPITAL MANAGEMENT, L.P. History No change 5,735 383 0.06% 0.05% 52 0 0.0% Q1 2026 May 15, 2026
HRT FINANCIAL LP History New 5,701 381 0.0% 53 +5,701 New Q1 2026 May 14, 2026
D. E. Shaw & Co., Inc. History New 5,416 362 0.0% 54 +5,416 New Q1 2026 May 15, 2026
BANK OF AMERICA CORP /DE/ History Added to 5,343 357 0.0% 0.0% 55 +1,644 44.44% Q1 2026 May 15, 2026
LOS ANGELES CAPITAL MANAGEMENT LLC History Added to 5,125 342 0.0% 0.0% 56 +3,520 219.31% Q1 2026 May 08, 2026
GOLDMAN SACHS GROUP INC History Reduced 5,086 339 0.0% 0.0% 57 -167 -3.18% Q1 2026 May 15, 2026
TWO SIGMA ADVISERS, LP History No change 4,200 223 0.0% 0.0% 58 0 0.0% Q4 2025 Feb 17, 2026
CANADA PENSION PLAN INVESTMENT BOARD History No change 3,200 213 0.0% 0.0% 59 0 0.0% Q1 2026 May 15, 2026
AQR CAPITAL MANAGEMENT LLC History Reduced 3,114 208 0.0% 0.0% 60 -1,994 -39.04% Q1 2026 May 15, 2026
RHUMBLINE ADVISERS History Added to 3,071 205 0.0% 0.0% 61 +36 1.19% Q1 2026 May 12, 2026
OSAIC HOLDINGS, INC. History Reduced 2,527 168 0.0% 0.0% 63 -15,096 -85.66% Q1 2026 May 15, 2026
ROYAL BANK OF CANADA History Reduced 2,517 168 0.0% 0.0% 62 -358 -12.45% Q1 2026 May 15, 2026
ACADIAN ASSET MANAGEMENT LLC History New 2,210 147 0.0% 64 +2,210 New Q1 2026 May 13, 2026
UMB Bank, n.a. History No change 2,133 142 0.0% 0.0% 65 0 0.0% Q1 2026 May 11, 2026
Vanguard Global Advisers, LLC History New 2,017 134 0.0% 66 +2,017 New Q1 2026 May 08, 2026
DEUTSCHE BANK AG\ History No change 1,709 114 0.0% 0.0% 67 0 0.0% Q1 2026 May 06, 2026
MetLife Investment Management, LLC History New 1,591 106 0.0% 68 +1,591 New Q1 2026 May 14, 2026
WELLS FARGO & COMPANY/MN History Reduced 1,290 86 0.0% 0.0% 69 -1,557 -54.69% Q1 2026 May 11, 2026
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. History Added to 1,283 85 0.0% 0.0% 70 +156 13.84% Q1 2026 May 15, 2026
JPMORGAN CHASE & CO History Reduced 1,123 74 0.0% 0.0% 71 -7,379 -86.79% Q1 2026 May 13, 2026
Truvestments Capital LLC History Reduced 968 64 0.01% 0.01% 72 -213 -18.04% Q1 2026 May 13, 2026
CALDWELL SUTTER CAPITAL, INC. History No change 724 48 0.02% 0.02% 73 0 0.0% Q1 2026 May 05, 2026
Police & Firemen's Retirement System of New Jersey History No change 687 45 0.0% 0.0% 74 0 0.0% Q1 2026 Apr 29, 2026
BARCLAYS PLC History Reduced 577 38 0.0% 0.0% 75 -3,253 -84.93% Q1 2026 May 14, 2026
State of Alaska, Department of Revenue History No change 503 33 0.0% 0.0% 76 0 0.0% Q1 2026 Apr 20, 2026
Tower Research Capital LLC (TRC) History Added to 460 30 0.0% 0.0% 77 +243 111.98% Q1 2026 May 15, 2026
AlphaQuest LLC History No change 559 29 0.0% 0.0% 78 0 0.0% Q4 2025 Feb 09, 2026
BFSG, LLC History No change 300 20 0.0% 0.0% 79 0 0.0% Q1 2026 Apr 28, 2026
Sound Income Strategies, LLC History New 250 18 0.0% 80 +250 New Q1 2026 Apr 27, 2026
Ameritas Investment Partners, Inc. History No change 251 16 0.0% 0.0% 81 0 0.0% Q1 2026 May 13, 2026
IFP Advisors, Inc History Added to 235 15 0.0% 0.0% 82 +14 6.33% Q1 2026 Apr 13, 2026
Legal & General Group Plc History Reduced 222 14 0.0% 0.0% 83 -31 -12.25% Q1 2026 May 08, 2026
CWM, LLC History Added to 211 14 0.0% 0.0% 84 +3 1.44% Q1 2026 May 14, 2026
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM History Reduced 150 10 0.0% 0.0% 85 -1 -0.66% Q1 2026 May 15, 2026
CITIGROUP INC History Added to 143 9 0.0% 0.0% 86 +76 113.43% Q1 2026 May 11, 2026
MCF Advisors LLC History No change 140 9 0.0% 0.0% 87 0 0.0% Q1 2026 May 11, 2026
Sunbelt Securities, Inc. History No change 120 8 0.0% 0.0% 88 0 0.0% Q1 2026 May 15, 2026
FMR LLC History Added to 91 6 0.0% 0.0% 89 +14 18.18% Q1 2026 May 15, 2026
Farther Finance Advisors, LLC History No change 70 5 0.0% 0.0% 90 0 0.0% Q1 2026 Apr 07, 2026
WealthCollab, LLC History No change 81 5 0.0% 0.0% 91 0 0.0% Q1 2026 May 13, 2026
GAMMA Investing LLC History Added to 67 4 0.0% 0.0% 92 +32 91.43% Q1 2026 Apr 06, 2026
SBI Securities Co., Ltd. History Reduced 18 1 0.0% 0.0% 94 -1 -5.26% Q1 2026 Apr 27, 2026
Sterling Capital Management LLC History No change 16 1 0.0% 93 0 0.0% Q1 2026 Apr 22, 2026
True Wealth Design, LLC History No change 17 1 0.0% 95 0 0.0% Q1 2026 Apr 13, 2026
Warberg Asset Management LLC History Closed out 0 0 0.03% -5,258 -100.0% Q1 2026 May 07, 2026
Solstein Capital, LLC History Closed out 0 0 0.01% -500 -100.0% Q1 2026 May 14, 2026
Quarry LP History Closed out 0 0 0.0% -257 -100.0% Q1 2026 May 15, 2026
AMALGAMATED BANK History Closed out 0 0 0.0% -77 -100.0% Q1 2026 May 08, 2026
Arax Advisory Partners History Closed out 0 0 0.0% -50 -100.0% Q1 2026 May 13, 2026
Founders Capital Management History Closed out 0 0 -5 -100.0% Q1 2026 Apr 21, 2026
Advisory Services Network, LLC History New 2 0 +2 New Q1 2026 May 15, 2026
Clearstead Advisors, LLC History Closed out 0 0 -1 -100.0% Q1 2026 May 06, 2026
PNC FINANCIAL SERVICES GROUP, INC. History No change 1 0 0 0.0% Q1 2026 May 08, 2026
Allworth Financial LP History No change 9 0 0 0.0% Q1 2026 May 14, 2026
EverSource Wealth Advisors, LLC History No change 1 0 0 0.0% Q1 2026 May 15, 2026
Essential Partners LLC History No change 7 0 0 0.0% Q1 2026 May 21, 2026