Jane Street’s Mega Matrix MPU Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
– Sell
-3,735
Closed -$56.8K – 12561
2026
Q1
$56.8K Sell
3,735
-513
-12% -$8.5K ﹤0.01% 10922
2025
Q4
$77.3K Sell
4,248
-691
-14% -$15.3K ﹤0.01% 10321
2025
Q3
$119K Buy
4,939
+3,533
+251% +$166K ﹤0.01% 10049
2025
Q2
$32.6K Buy
+1,406
New +$24.8K ﹤0.01% 9277
2024
Q4
– Sell
-1,449
Closed -$29.3K – 10131
2024
Q3
$29.3K Buy
+1,449
New +$54.6K ﹤0.01% 9253
2024
Q2
– Sell
-617
Closed -$35.3K – 9897
2024
Q1
$35.3K Buy
+617
New +$34.5K ﹤0.01% 8815
2022
Q2
– Sell
-2,282
Closed -$91K – 10426
2022
Q1
$91K Sell
2,282
-10,489
-82% -$1.19M ﹤0.01% 9496
2021
Q4
$3.05M Buy
+12,771
New +$2.28M ﹤0.01% 3652

Other funds holding MPU

Jane Street's MPU Position: Q2 2026 in Review

Jane Street sold out of Mega Matrix (MPU) in Q2 2026, closing a stake of 3,735 shares — an estimated $56.8K sold.

Jane Street first reported a position in MPU in Q4 2021 and held it in 8 quarters. The position peaked at $3.05M in Q4 2021. 10 funds tracked by Wall St. Rank hold MPU as of Q2 2026.

  • Jane Street reported no remaining Mega Matrix position as of Q2 2026 after selling out during the quarter.
  • Jane Street sold 3,735 Mega Matrix shares in Q2 2026, an estimated $56.8K.
  • Jane Street first reported a position in Mega Matrix in Q4 2021 and held it in 8 quarters.
  • Jane Street's Mega Matrix position peaked at $3.05M in Q4 2021.
  • 10 funds tracked by Wall St. Rank held Mega Matrix as of Q2 2026.

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