RhumbLine Advisers
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RhumbLine Advisers’s M-tron Industries MPTI Stock Holding History

RhumbLine Advisers’s Portfolio MPTI Stock Details MPTI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$470K Buy
4,738
+1,667
+54% +$133K ﹤0.01% 2814
2026
Q1 		$205K Buy
3,071
+36
+1% +$2.3K ﹤0.01% 3107
2025
Q4 		$162K Sell
3,035
-464
-13% -$24.5K ﹤0.01% 3274
2025
Q3 		$194K Sell
3,499
-27
-0.8% -$1.21K ﹤0.01% 3235
2025
Q2 		$148K Buy
+3,526
New +$170K ﹤0.01% 3383

Other funds holding MPTI

T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
GI
GAMCO Investors Greenwich, Connecticut $11.1B AUM 41.79% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
RA
Royce & Associates New York $12.4B AUM 64.17% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
NCGI
Next Century Growth Investors Plymouth, Minnesota $1.89B AUM 151.53% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

RhumbLine Advisers's MPTI Position: Q2 2026 in Review

RhumbLine Advisers increased its M-tron Industries (MPTI) stake by 54% in Q2 2026, buying an estimated $133K and bringing the position to 4,738 shares worth $470K. The position accounts for ﹤0.01% of the portfolio, ranked #2814.

RhumbLine Advisers first reported a position in MPTI in Q2 2025 and has held it in 5 quarters since. 118 funds tracked by Wall St. Rank hold MPTI as of Q2 2026.

  • RhumbLine Advisers held 4,738 shares of M-tron Industries worth $470K as of Q2 2026.
  • RhumbLine Advisers bought 1,667 M-tron Industries shares in Q2 2026, an estimated $133K.
  • M-tron Industries made up ﹤0.01% of RhumbLine Advisers's portfolio in Q2 2026, its #2814 holding.
  • RhumbLine Advisers first reported a position in M-tron Industries in Q2 2025 and has held it in 5 quarters since.
  • 118 funds tracked by Wall St. Rank held M-tron Industries as of Q2 2026.

Based on RhumbLine Advisers's 13F filing for Q2 2026, filed 12 Aug 2026.