IMC Chicago
RMBS icon

IMC Chicago’s Rambus RMBS Stock Holding History

IMC Chicago’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 		$946K Buy
+7,129
New +$927K ﹤0.01% 3922
2025
Q4 		– Sell
-20,443
Closed -$2.01M – 4377
2025
Q3 		$2.13M Buy
+20,443
New +$1.58M ﹤0.01% 2174
2024
Q2 		– Sell
-10,342
Closed -$591K – 2764
2024
Q1 		$639K Buy
+10,342
New +$654K ﹤0.01% 1937

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

IMC Chicago's RMBS Position: Q2 2026 in Review

IMC Chicago opened a new position in Rambus (RMBS) in Q2 2026: 7,129 shares worth $946K. The stake represents ﹤0.01% of the portfolio and ranks #3922 among its holdings. This is a return to the name: IMC Chicago previously reported a position in RMBS as recently as Q3 2025.

IMC Chicago first reported a position in RMBS in Q1 2024 and has held it in 3 quarters since. The position peaked at $2.13M in Q3 2025. 617 funds tracked by Wall St. Rank hold RMBS as of Q2 2026.

  • IMC Chicago held 7,129 shares of Rambus worth $946K as of Q2 2026.
  • Rambus was a new IMC Chicago position in Q2 2026.
  • Rambus made up ﹤0.01% of IMC Chicago's portfolio in Q2 2026, its #3922 holding.
  • IMC Chicago first reported a position in Rambus in Q1 2024 and has held it in 3 quarters since.
  • IMC Chicago's Rambus position peaked at $2.13M in Q3 2025.
  • 617 funds tracked by Wall St. Rank held Rambus as of Q2 2026.

Based on IMC Chicago's 13F filing for Q2 2026, filed 6 Aug 2026.