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
Q3 		$20.4M Buy
190,900
+43,900
+30% +$4.24M ﹤0.01% 1126
2026
Q2 		$19.5M Buy
147,000
+98,300
+202% +$12.8M ﹤0.01% 1076
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

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
Swedbank
Swedbank Stockholm, Sweden $118B AUM 40.52% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $608B AUM 32.77% 1-Year Est. Return
Bessemer Group
Bessemer Group Woodbridge, New Jersey $72.8B AUM 32.97% 1-Year Est. Return
Nuveen
Nuveen Charlotte, North Carolina $420B AUM 34.97% 1-Year Est. Return
Barclays
Barclays London, United Kingdom $500B AUM 36.84% 1-Year Est. Return
Fisher Asset Management
Fisher Asset Management Camas, Washington $348B AUM 26.9% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $30.8B AUM 33.92% 1-Year Est. Return

IMC Chicago's RMBS Position: Q3 2026 in Review

IMC Chicago increased its Rambus (RMBS) stake by 814% in Q3 2026, buying an estimated $5.6M and bringing the position to 65,151 shares worth $6.96M. The position accounts for ﹤0.01% of the portfolio, ranked #1952.

IMC Chicago first reported a position in RMBS in Q1 2024 and has held it in 4 quarters since. 322 funds tracked by Wall St. Rank hold RMBS as of Q3 2026.

  • IMC Chicago held 65,151 shares of Rambus worth $6.96M as of Q3 2026.
  • IMC Chicago bought 58,022 Rambus shares in Q3 2026, an estimated $5.6M.
  • Rambus made up ﹤0.01% of IMC Chicago's portfolio in Q3 2026, its #1952 holding.
  • IMC Chicago first reported a position in Rambus in Q1 2024 and has held it in 4 quarters since.
  • 322 funds tracked by Wall St. Rank held Rambus as of Q3 2026.

Based on IMC Chicago's 13F filing for Q3 2026, filed 5 Nov 2026.