Group One Trading
RMBS icon

Group One Trading’s Rambus RMBS Stock Holding History

Group One Trading’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 		$120K Sell
1,400
-17,100
-92% -$1.71M ﹤0.01% 4570
2025
Q4 		$1.7M Buy
18,500
+15,500
+517% +$1.53M ﹤0.01% 2418
2025
Q3 		$313K Buy
3,000
+2,600
+650% +$200K ﹤0.01% 4178
2025
Q2 		$25.6K Buy
400
+200
+100% +$10.7K ﹤0.01% 6104
2025
Q1 		$10.4K Sell
200
-1,300
-87% -$76.4K ﹤0.01% 6235
2024
Q4 		$79.3K Sell
1,500
-3,400
-69% -$173K ﹤0.01% 4705
2024
Q3 		$207K Sell
4,900
-500
-9% -$24.2K ﹤0.01% 3582
2024
Q2 		$317K Sell
5,400
-5,300
-50% -$303K ﹤0.01% 2982
2024
Q1 		$661K Sell
10,700
-8,000
-43% -$506K ﹤0.01% 2467
2023
Q4 		$1.28M Sell
18,700
-12,200
-39% -$760K ﹤0.01% 2252
2023
Q3 		$1.72M Sell
30,900
-6,600
-18% -$375K 0.01% 1770
2023
Q2 		$2.41M Buy
37,500
+24,400
+186% +$1.34M 0.01% 1531
2023
Q1 		$672K Buy
13,100
+10,800
+470% +$464K ﹤0.01% 2484
2022
Q4 		$82.4K Sell
2,300
-13,300
-85% -$450K ﹤0.01% 4603
2022
Q3 		$397K Buy
15,600
+100
+0.6% +$2.5K ﹤0.01% 3462
2022
Q2 		$333K Buy
15,500
+5,200
+50% +$129K ﹤0.01% 3814
2022
Q1 		$328K Sell
10,300
-10,800
-51% -$299K ﹤0.01% 4272
2021
Q4 		$620K Sell
21,100
-700
-3% -$17.8K ﹤0.01% 3876
2021
Q3 		$484K Buy
21,800
+15,800
+263% +$372K ﹤0.01% 4220
2021
Q2 		$142K Buy
6,000
+4,100
+216% +$82.5K ﹤0.01% 5590
2021
Q1 		$37K Sell
1,900
-3,400
-64% -$68.3K ﹤0.01% 6423
2020
Q4 		$93K Buy
5,300
+1,600
+43% +$25.1K ﹤0.01% 4625
2020
Q3 		$51K Sell
3,700
-7,200
-66% -$102K ﹤0.01% 4629
2020
Q2 		$166K Buy
10,900
+5,800
+114% +$81.7K ﹤0.01% 3540
2020
Q1 		$57K Buy
5,100
+4,900
+2,450% +$67.9K ﹤0.01% 3631
2019
Q4 		$3K Sell
200
-2,100
-91% -$28.2K ﹤0.01% 4850
2019
Q3 		$30K Buy
2,300
+200
+10% +$2.51K ﹤0.01% 4207
2019
Q2 		$25K Hold
2,100
– – ﹤0.01% 4080
2019
Q1 		$22K Buy
+2,100
New +$20.2K ﹤0.01% 3990
2018
Q2 		– Sell
-5,000
Closed -$67K – 5403
2018
Q1 		$67K Buy
+5,000
New +$66.9K ﹤0.01% 3500
2017
Q3 		– Sell
-10,000
Closed -$114K – 5101
2017
Q2 		$114K Buy
10,000
+8,900
+809% +$109K ﹤0.01% 3030
2017
Q1 		$14K Buy
1,100
+100
+10% +$1.31K ﹤0.01% 4016
2016
Q4 		$14K Hold
1,000
– – ﹤0.01% 3843
2016
Q3 		$13K Buy
+1,000
New +$13.2K ﹤0.01% 3962
2015
Q2 		– Sell
-700
Closed -$9K – 5124
2015
Q1 		$9K Buy
+700
New +$8.23K ﹤0.01% 4187
2014
Q1 		– Sell
-6,000
Closed -$57K – 5521
2013
Q4 		$57K Sell
6,000
-2,800
-32% -$25.2K ﹤0.01% 3511
2013
Q3 		$83K Buy
8,800
+6,000
+214% +$54.9K ﹤0.01% 3174
2013
Q2 		$24K Buy
+2,800
New +$20.9K ﹤0.01% 3971

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

Group One Trading's RMBS Position: Q1 2026 in Review

Group One Trading reduced its Rambus (RMBS) stake by 95% in Q1 2026, selling an estimated $684K and leaving 372 shares worth $32K. The position accounts for ﹤0.01% of the portfolio, ranked #5612.

Group One Trading first reported a position in RMBS in Q2 2013 and has held it in 31 quarters since. The position peaked at $2.6M in Q4 2021. 553 funds tracked by Wall St. Rank hold RMBS as of Q1 2026.

  • Group One Trading held 372 shares of Rambus worth $32K as of Q1 2026.
  • Group One Trading sold 6,857 Rambus shares in Q1 2026, an estimated $684K.
  • Rambus made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #5612 holding.
  • Group One Trading first reported a position in Rambus in Q2 2013 and has held it in 31 quarters since.
  • Group One Trading's Rambus position peaked at $2.6M in Q4 2021.
  • 553 funds tracked by Wall St. Rank held Rambus as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.