Jane Street
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Jane Street’s M-tron Industries MPTI Stock Holding History

Jane Street’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
Q1 		$973K Buy
14,549
+10,051
+223% +$642K ﹤0.01% 6555
2025
Q4 		$239K Buy
+4,498
New +$238K ﹤0.01% 9335
2025
Q2 		– Sell
-5,497
Closed -$245K – 10423
2025
Q1 		$245K Sell
5,497
-3,046
-36% -$145K ﹤0.01% 8144
2024
Q4 		$414K Buy
+8,543
New +$468K ﹤0.01% 7167

Other funds holding MPTI

GI
GAMCO Investors Greenwich, Connecticut $10.2B AUM 30.27% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
NCGI
Next Century Growth Investors Plymouth, Minnesota $1.38B AUM 102.34% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
BA
Bard Associates Chicago, Illinois $398M AUM 54.32% 1-Year Est. Return
PIP
Palisades Investment Partners Santa Monica, California $255M AUM 50.52% 1-Year Est. Return
ACM
Archon Capital Management Seattle, Washington $177M AUM 108.05% 1-Year Est. Return
Nomura Holdings
Nomura Holdings Tokyo, Japan $37.7B AUM 34.44% 1-Year Est. Return
AC
Aristides Capital Louisville, Kentucky $462M AUM 28.94% 1-Year Est. Return

Jane Street's MPTI Position: Q1 2026 in Review

Jane Street increased its M-tron Industries (MPTI) stake by 223% in Q1 2026, buying an estimated $642K and bringing the position to 14,549 shares worth $973K. The position accounts for ﹤0.01% of the portfolio, ranked #6555.

Jane Street first reported a position in MPTI in Q4 2024 and has held it in 4 quarters since. 97 funds tracked by Wall St. Rank hold MPTI as of Q1 2026.

  • Jane Street held 14,549 shares of M-tron Industries worth $973K as of Q1 2026.
  • Jane Street bought 10,051 M-tron Industries shares in Q1 2026, an estimated $642K.
  • M-tron Industries made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #6555 holding.
  • Jane Street first reported a position in M-tron Industries in Q4 2024 and has held it in 4 quarters since.
  • 97 funds tracked by Wall St. Rank held M-tron Industries as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.