Sumitomo Mitsui Trust Group
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Sumitomo Mitsui Trust Group’s Rambus RMBS Stock Holding History

Sumitomo Mitsui Trust Group’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 		$624K Sell
7,252
-208
-3% -$20.8K ﹤0.01% 903
2025
Q4 		$685K Buy
7,460
+506
+7% +$49.8K ﹤0.01% 900
2025
Q3 		$725K Buy
+6,954
New +$536K ﹤0.01% 889
2024
Q2 		– Sell
-5,019
Closed -$310K – 1127
2024
Q1 		$310K Buy
5,019
+1,423
+40% +$90.1K ﹤0.01% 1067
2023
Q4 		$245K Buy
+3,596
New +$224K ﹤0.01% 1100

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

Sumitomo Mitsui Trust Group's RMBS Position: Q1 2026 in Review

Sumitomo Mitsui Trust Group reduced its Rambus (RMBS) stake by 2.8% in Q1 2026, selling an estimated $20.8K and leaving 7,252 shares worth $624K. The position accounts for ﹤0.01% of the portfolio, ranked #903.

Sumitomo Mitsui Trust Group first reported a position in RMBS in Q4 2023 and has held it in 5 quarters since. The position peaked at $725K in Q3 2025. 553 funds tracked by Wall St. Rank hold RMBS as of Q1 2026.

  • Sumitomo Mitsui Trust Group held 7,252 shares of Rambus worth $624K as of Q1 2026.
  • Sumitomo Mitsui Trust Group sold 208 Rambus shares in Q1 2026, an estimated $20.8K.
  • Rambus made up ﹤0.01% of Sumitomo Mitsui Trust Group's portfolio in Q1 2026, its #903 holding.
  • Sumitomo Mitsui Trust Group first reported a position in Rambus in Q4 2023 and has held it in 5 quarters since.
  • Sumitomo Mitsui Trust Group's Rambus position peaked at $725K in Q3 2025.
  • 553 funds tracked by Wall St. Rank held Rambus as of Q1 2026.

Based on Sumitomo Mitsui Trust Group's 13F filing for Q1 2026, filed 30 Apr 2026.