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CIBC World Markets’s Rambus RMBS Stock Holding History

CIBC World Markets’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
2025
Q4 		$656K Buy
+7,143
New +$703K ﹤0.01% 794
2025
Q2 		$852K Sell
13,304
-10,406
-44% -$558K 0.01% 692
2025
Q1 		$1.23M Buy
23,710
+13,711
+137% +$805K 0.01% 630
2024
Q4 		$529K Buy
+9,999
New +$510K ﹤0.01% 718

Other funds holding RMBS

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 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
AllianceBernstein
AllianceBernstein Nashville, Tennessee $302B AUM 26.44% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $1T AUM

CIBC World Markets's RMBS Position: Q4 2025 in Review

CIBC World Markets opened a new position in Rambus (RMBS) in Q4 2025: 7,143 shares worth $656K. The stake represents ﹤0.01% of the portfolio and ranks #794 among its holdings. This is a return to the name: CIBC World Markets previously reported a position in RMBS as recently as Q2 2025.

CIBC World Markets first reported a position in RMBS in Q4 2024 and has held it in 4 quarters since. The position peaked at $1.23M in Q1 2025. 553 funds tracked by Wall St. Rank hold RMBS as of Q4 2025.

  • CIBC World Markets held 7,143 shares of Rambus worth $656K as of Q4 2025.
  • Rambus was a new CIBC World Markets position in Q4 2025.
  • Rambus made up ﹤0.01% of CIBC World Markets's portfolio in Q4 2025, its #794 holding.
  • CIBC World Markets first reported a position in Rambus in Q4 2024 and has held it in 4 quarters since.
  • CIBC World Markets's Rambus position peaked at $1.23M in Q1 2025.
  • 553 funds tracked by Wall St. Rank held Rambus as of Q4 2025.

Based on CIBC World Markets's 13F filing for Q4 2025, filed 12 Feb 2026.