Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$11M Buy
83,050
+77,886
+1,508% +$10.1M 0.09% 255
2026
Q1
$444K Sell
5,164
-6,335
-55% -$632K 0.01% 1308
2025
Q4
$1.06M Buy
+11,499
New +$1.13M 0.01% 953
2025
Q3
Sell
-99,200
Closed -$6.35M 2164
2025
Q2
$6.35M Buy
+99,200
New +$5.32M 0.07% 349
2024
Q4
Sell
-43,000
Closed -$1.82M 1948
2024
Q3
$1.82M Buy
+43,000
New +$2.08M 0.04% 562
2023
Q3
Sell
-11,412
Closed -$732K 2185
2023
Q2
$732K Sell
11,412
-33,372
-75% -$1.84M 0.03% 838
2023
Q1
$2.3M Buy
+44,784
New +$1.92M 0.09% 327

Other funds holding RMBS

Jump Financial's RMBS Position: Q2 2026 in Review

Jump Financial increased its Rambus (RMBS) stake by 1,508% in Q2 2026, buying an estimated $10.1M and bringing the position to 83,050 shares worth $11M. The position accounts for 0.09% of the portfolio, ranked #255.

Jump Financial first reported a position in RMBS in Q1 2023 and has held it in 7 quarters since. 617 funds tracked by Wall St. Rank hold RMBS as of Q2 2026.

  • Jump Financial held 83,050 shares of Rambus worth $11M as of Q2 2026.
  • Jump Financial bought 77,886 Rambus shares in Q2 2026, an estimated $10.1M.
  • Rambus made up 0.09% of Jump Financial's portfolio in Q2 2026, its #255 holding.
  • Jump Financial first reported a position in Rambus in Q1 2023 and has held it in 7 quarters since.
  • 617 funds tracked by Wall St. Rank held Rambus as of Q2 2026.

Based on Jump Financial's 13F filing for Q2 2026, filed 13 Aug 2026.