Qube Research & Technologies (QRT)
RMBS icon

Qube Research & Technologies (QRT)’s Rambus RMBS Stock Holding History

Qube Research & Technologies (QRT)’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 		$11.9M Buy
+89,539
New +$11.6M 0.01% 1193
2026
Q1 		– Sell
-5,648
Closed -$519K – 4029
2025
Q4 		$519K Sell
5,648
-23,469
-81% -$2.31M ﹤0.01% 2792
2025
Q3 		$3.03M Sell
29,117
-320,156
-92% -$24.7M ﹤0.01% 2021
2025
Q2 		$22.4M Buy
349,273
+104,385
+43% +$5.59M 0.02% 817
2025
Q1 		$12.7M Buy
244,888
+63,767
+35% +$3.75M 0.01% 984
2024
Q4 		$9.57M Sell
181,121
-192,753
-52% -$9.83M 0.01% 1116
2024
Q3 		$15.8M Buy
373,874
+299,353
+402% +$14.5M 0.02% 784
2024
Q2 		$4.38M Buy
+74,521
New +$4.26M 0.01% 1318
2024
Q1 		– Sell
-10,133
Closed -$692K – 4815
2023
Q4 		$692K Sell
10,133
-19,742
-66% -$1.23M ﹤0.01% 2116
2023
Q3 		$1.67M Buy
29,875
+26,380
+755% +$1.5M ﹤0.01% 1474
2023
Q2 		$224K Buy
+3,495
New +$192K ﹤0.01% 1741
2023
Q1 		– Sell
-41,235
Closed -$1.48M – 2948
2022
Q4 		$1.48M Buy
+41,235
New +$1.39M 0.01% 1059
2022
Q3 		– Sell
-82,758
Closed -$1.78M – 2938
2022
Q2 		$1.78M Buy
82,758
+67,018
+426% +$1.66M 0.01% 860
2022
Q1 		$502K Sell
15,740
-5,423
-26% -$150K ﹤0.01% 1526
2021
Q4 		$622K Sell
21,163
-33,260
-61% -$846K ﹤0.01% 1463
2021
Q3 		$1.21M Buy
+54,423
New +$1.28M 0.02% 839
2021
Q2 		– Sell
-18,879
Closed -$367K – 2723
2021
Q1 		$367K Buy
18,879
+342
+2% +$6.87K 0.01% 1349
2020
Q4 		$324K Buy
18,537
+342
+2% +$5.37K ﹤0.01% 1324
2020
Q3 		$249K Sell
18,195
-20,020
-52% -$284K ﹤0.01% 1316
2020
Q2 		$581K Buy
38,215
+11,832
+45% +$167K 0.01% 1050
2020
Q1 		$293K Buy
26,383
+10,799
+69% +$150K 0.01% 732
2019
Q4 		$215K Buy
+15,584
New +$209K 0.01% 1361

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

Qube Research & Technologies (QRT)'s RMBS Position: Q2 2026 in Review

Qube Research & Technologies (QRT) opened a new position in Rambus (RMBS) in Q2 2026: 89,539 shares worth $11.9M. The stake represents 0.01% of the portfolio and ranks #1193 among its holdings. This is a return to the name: Qube Research & Technologies (QRT) previously reported a position in RMBS as recently as Q4 2025.

Qube Research & Technologies (QRT) first reported a position in RMBS in Q4 2019 and has held it in 22 quarters since. The position peaked at $22.4M in Q2 2025. 618 funds tracked by Wall St. Rank hold RMBS as of Q2 2026.

  • Qube Research & Technologies (QRT) held 89,539 shares of Rambus worth $11.9M as of Q2 2026.
  • Rambus was a new Qube Research & Technologies (QRT) position in Q2 2026.
  • Rambus made up 0.01% of Qube Research & Technologies (QRT)'s portfolio in Q2 2026, its #1193 holding.
  • Qube Research & Technologies (QRT) first reported a position in Rambus in Q4 2019 and has held it in 22 quarters since.
  • Qube Research & Technologies (QRT)'s Rambus position peaked at $22.4M in Q2 2025.
  • 618 funds tracked by Wall St. Rank held Rambus as of Q2 2026.

Based on Qube Research & Technologies (QRT)'s 13F filing for Q2 2026, filed 14 Aug 2026.