MG
RMBS icon

Marex Group’s Rambus RMBS Stock Holding History

Marex Group’s Portfolio RMBS Stock Details RMBS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$638K Sell
4,807
-827
-15% -$108K ﹤0.01% 624
2026
Q1 		$485K Buy
+5,634
New +$562K ﹤0.01% 626
2024
Q2 		– Sell
-4,157
Closed -$257K – 710
2024
Q1 		$257K Sell
4,157
-5,382
-56% -$341K 0.01% 348
2023
Q4 		$651K Buy
+9,539
New +$594K 0.03% 265

Other funds holding RMBS

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Marex Group's RMBS Position: Q2 2026 in Review

Marex Group reduced its Rambus (RMBS) stake by 15% in Q2 2026, selling an estimated $108K and leaving 4,807 shares worth $638K. The position accounts for ﹤0.01% of the portfolio, ranked #624.

Marex Group first reported a position in RMBS in Q4 2023 and has held it in 4 quarters since. The position peaked at $651K in Q4 2023. 618 funds tracked by Wall St. Rank hold RMBS as of Q2 2026.

  • Marex Group held 4,807 shares of Rambus worth $638K as of Q2 2026.
  • Marex Group sold 827 Rambus shares in Q2 2026, an estimated $108K.
  • Rambus made up ﹤0.01% of Marex Group's portfolio in Q2 2026, its #624 holding.
  • Marex Group first reported a position in Rambus in Q4 2023 and has held it in 4 quarters since.
  • Marex Group's Rambus position peaked at $651K in Q4 2023.
  • 618 funds tracked by Wall St. Rank held Rambus as of Q2 2026.

Based on Marex Group's 13F filing for Q2 2026, filed 14 Aug 2026.