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 		$28.4M Buy
213,800
+120,200
+128% +$15.6M 0.01% 871
2026
Q1 		$8.05M Buy
93,600
+13,800
+17% +$1.38M ﹤0.01% 1440
2025
Q4 		$7.33M Sell
79,800
-18,700
-19% -$1.84M ﹤0.01% 1451
2025
Q3 		$10.3M Buy
98,500
+61,200
+164% +$4.72M ﹤0.01% 1133
2025
Q2 		$2.39M Buy
37,300
+13,500
+57% +$723K ﹤0.01% 1873
2025
Q1 		$1.23M Sell
23,800
-16,300
-41% -$957K ﹤0.01% 2138
2024
Q4 		$2.12M Buy
40,100
+21,400
+114% +$1.09M ﹤0.01% 1830
2024
Q3 		$790K Buy
18,700
+2,300
+14% +$111K ﹤0.01% 2163
2024
Q2 		$964K Sell
16,400
-3,800
-19% -$217K ﹤0.01% 1980
2024
Q1 		$1.25M Sell
20,200
-4,700
-19% -$297K ﹤0.01% 1627
2023
Q4 		$1.7M Buy
24,900
+11,100
+80% +$691K ﹤0.01% 1268
2023
Q3 		$770K Sell
13,800
-5,500
-28% -$312K ﹤0.01% 1310
2023
Q2 		$1.24M Sell
19,300
-2,000
-9% -$110K ﹤0.01% 1003
2023
Q1 		$1.09M Buy
+21,300
New +$915K ﹤0.01% 1011
2022
Q1 		– Sell
-15,100
Closed -$444K – 1216
2021
Q4 		$444K Buy
15,100
+3,400
+29% +$86.5K ﹤0.01% 1115
2021
Q3 		$260K Sell
11,700
-1,100
-9% -$25.9K ﹤0.01% 1168
2021
Q2 		$303K Sell
12,800
-10,200
-44% -$205K ﹤0.01% 1063
2021
Q1 		$447K Buy
+23,000
New +$462K ﹤0.01% 968

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. 618 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.
  • 618 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.