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
Q1 		$4.19M Buy
48,700
+9,000
+23% +$898K ﹤0.01% 1929
2025
Q4 		$3.65M Buy
39,700
+9,400
+31% +$925K ﹤0.01% 1957
2025
Q3 		$3.16M Buy
30,300
+7,000
+30% +$540K ﹤0.01% 1922
2025
Q2 		$1.49M Buy
23,300
+11,700
+101% +$627K ﹤0.01% 2218
2025
Q1 		$601K Sell
11,600
-4,200
-27% -$247K ﹤0.01% 2558
2024
Q4 		$835K Sell
15,800
-2,600
-14% -$133K ﹤0.01% 2464
2024
Q3 		$777K Buy
18,400
+6,200
+51% +$300K ﹤0.01% 2173
2024
Q2 		$717K Sell
12,200
-9,600
-44% -$549K ﹤0.01% 2139
2024
Q1 		$1.35M Buy
21,800
+10,400
+91% +$658K ﹤0.01% 1583
2023
Q4 		$778K Sell
11,400
-2,000
-15% -$125K ﹤0.01% 1514
2023
Q3 		$748K Buy
+13,400
New +$760K ﹤0.01% 1315
2023
Q2 		– Sell
-11,700
Closed -$600K – 1378
2023
Q1 		$600K Buy
+11,700
New +$503K ﹤0.01% 1146

Other funds holding RMBS

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
EIG
EdgePoint Investment Group Toronto, Ontario, Canada $12.5B AUM 31.7% 1-Year Est. Return

IMC Chicago's RMBS Position: Q4 2025 in Review

IMC Chicago sold out of Rambus (RMBS) in Q4 2025, closing a stake of 20,443 shares — an estimated $2.01M sold.

IMC Chicago first reported a position in RMBS in Q1 2024 and held it in 2 quarters. The position peaked at $2.13M in Q3 2025. 552 funds tracked by Wall St. Rank hold RMBS as of Q4 2025.

  • IMC Chicago reported no remaining Rambus position as of Q4 2025 after selling out during the quarter.
  • IMC Chicago sold 20,443 Rambus shares in Q4 2025, an estimated $2.01M.
  • IMC Chicago first reported a position in Rambus in Q1 2024 and held it in 2 quarters.
  • IMC Chicago's Rambus position peaked at $2.13M in Q3 2025.
  • 552 funds tracked by Wall St. Rank held Rambus as of Q4 2025.

Based on IMC Chicago's 13F filing for Q4 2025, filed 29 Jan 2026.