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
Q2 		– Sell
-14,549
Closed -$973K – 12560
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

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

Jane Street's MPTI Position: Q2 2026 in Review

Jane Street sold out of M-tron Industries (MPTI) in Q2 2026, closing a stake of 14,549 shares — an estimated $973K sold.

Jane Street first reported a position in MPTI in Q4 2024 and held it in 4 quarters. The position peaked at $973K in Q1 2026. 118 funds tracked by Wall St. Rank hold MPTI as of Q2 2026.

  • Jane Street reported no remaining M-tron Industries position as of Q2 2026 after selling out during the quarter.
  • Jane Street sold 14,549 M-tron Industries shares in Q2 2026, an estimated $973K.
  • Jane Street first reported a position in M-tron Industries in Q4 2024 and held it in 4 quarters.
  • Jane Street's M-tron Industries position peaked at $973K in Q1 2026.
  • 118 funds tracked by Wall St. Rank held M-tron Industries as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.