JP Morgan Chase
RMBS icon

JP Morgan Chase’s Rambus RMBS Stock Holding History

JP Morgan Chase’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
2018
Q1 		– Sell
-257,300
Closed -$3.66M – 5591
2017
Q4 		$3.66M Sell
257,300
-175,000
-40% -$2.52M ﹤0.01% 2926
2017
Q3 		$5.84M Buy
+432,300
New +$5.55M ﹤0.01% 2447

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 $3.38T AUM 44.17% 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
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Swedbank
Swedbank Stockholm, Sweden $116B AUM 46.87% 1-Year Est. Return

JP Morgan Chase's RMBS Position: Q2 2026 in Review

JP Morgan Chase increased its Rambus (RMBS) stake by 14% in Q2 2026, buying an estimated $34.5M and bringing the position to 2,101,418 shares worth $261M. The position accounts for 0.01% of the portfolio, ranked #663.

JP Morgan Chase first reported a position in RMBS in Q2 2013 and has held it in 44 quarters since. The position peaked at $402M in Q1 2024. 620 funds tracked by Wall St. Rank hold RMBS as of Q2 2026.

  • JP Morgan Chase held 2,101,418 shares of Rambus worth $261M as of Q2 2026.
  • JP Morgan Chase bought 264,918 Rambus shares in Q2 2026, an estimated $34.5M.
  • Rambus made up 0.01% of JP Morgan Chase's portfolio in Q2 2026, its #663 holding.
  • JP Morgan Chase first reported a position in Rambus in Q2 2013 and has held it in 44 quarters since.
  • JP Morgan Chase's Rambus position peaked at $402M in Q1 2024.
  • 620 funds tracked by Wall St. Rank held Rambus as of Q2 2026.

Based on JP Morgan Chase's 13F filing for Q2 2026, filed 12 Aug 2026.