Marshall Wace
RMBS icon

Marshall Wace’s Rambus RMBS Stock Holding History

Marshall Wace’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 		$7.49M Buy
56,425
+50,899
+921% +$6.62M 0.01% 1172
2026
Q1 		$475K Sell
5,526
-10,774
-66% -$1.08M ﹤0.01% 2476
2025
Q4 		$1.5M Buy
+16,300
New +$1.6M ﹤0.01% 1727
2025
Q1 		– Sell
-20,455
Closed -$1.08M – 3024
2024
Q4 		$1.08M Sell
20,455
-165,103
-89% -$8.42M ﹤0.01% 1700
2024
Q3 		$7.83M Buy
185,558
+180,071
+3,282% +$8.73M 0.01% 848
2024
Q2 		$322K Sell
5,487
-14,537
-73% -$831K ﹤0.01% 2119
2024
Q1 		$1.24M Buy
+20,024
New +$1.27M ﹤0.01% 1567
2023
Q1 		– Sell
-9,049
Closed -$324K – 3046
2022
Q4 		$324K Buy
+9,049
New +$306K ﹤0.01% 2535
2021
Q4 		– Sell
-32,482
Closed -$721K – 4227
2021
Q3 		$721K Buy
+32,482
New +$765K ﹤0.01% 2207
2020
Q3 		– Sell
-101,926
Closed -$1.55M – 1876
2020
Q2 		$1.55M Buy
+101,926
New +$1.44M 0.01% 874
2019
Q2 		– Sell
-4,446
Closed -$46K – 1758
2019
Q1 		$46K Buy
+4,446
New +$42.7K ﹤0.01% 1546
2016
Q4 		– Sell
-116,877
Closed -$1.46M – 1098
2016
Q3 		$1.46M Buy
+116,877
New +$1.54M 0.01% 666
2014
Q3 		– Sell
-4,185
Closed -$60K – 1017
2014
Q2 		$60K Sell
4,185
-99,034
-96% -$1.22M ﹤0.01% 904
2014
Q1 		$1.11M Buy
+103,219
New +$969K 0.02% 474

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

Marshall Wace's RMBS Position: Q2 2026 in Review

Marshall Wace increased its Rambus (RMBS) stake by 921% in Q2 2026, buying an estimated $6.62M and bringing the position to 56,425 shares worth $7.49M. The position accounts for 0.01% of the portfolio, ranked #1172.

Marshall Wace first reported a position in RMBS in Q1 2014 and has held it in 14 quarters since. The position peaked at $7.83M in Q3 2024. 617 funds tracked by Wall St. Rank hold RMBS as of Q2 2026.

  • Marshall Wace held 56,425 shares of Rambus worth $7.49M as of Q2 2026.
  • Marshall Wace bought 50,899 Rambus shares in Q2 2026, an estimated $6.62M.
  • Rambus made up 0.01% of Marshall Wace's portfolio in Q2 2026, its #1172 holding.
  • Marshall Wace first reported a position in Rambus in Q1 2014 and has held it in 14 quarters since.
  • Marshall Wace's Rambus position peaked at $7.83M in Q3 2024.
  • 617 funds tracked by Wall St. Rank held Rambus as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.