Walleye Trading’s Rambus RMBS Stock Holding History

Walleye 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	$172K	Sell	2,000 -45,600	-96%	-$4.55M	﹤0.01%	3206
2025 Q4	$4.37M	Sell	47,600 -115,700	-71%	-$11.4M	0.01%	1376
2025 Q3	$17M	Buy	163,300 +4,800	+3%	+$370K	0.03%	644
2025 Q2	$10.1M	Buy	158,500 +151,700	+2,231%	+$8.13M	0.02%	803
2025 Q1	$352K	Sell	6,800 -11,600	-63%	-$681K	﹤0.01%	2753
2024 Q4	$973K	Sell	18,400 -6,600	-26%	-$336K	﹤0.01%	2183
2024 Q3	$1.06M	Sell	25,000 -39,300	-61%	-$1.9M	﹤0.01%	2057
2024 Q2	$3.78M	Sell	64,300 -32,600	-34%	-$1.86M	0.01%	1213
2024 Q1	$5.99M	Buy	96,900 +5,100	+6%	+$323K	0.01%	1019
2023 Q4	$6.27M	Buy	91,800 +22,500	+32%	+$1.4M	0.01%	1106
2023 Q3	$3.87M	Sell	69,300 -12,400	-15%	-$704K	0.01%	1292
2023 Q2	$5.24M	Buy	81,700 +75,400	+1,197%	+$4.15M	0.02%	933
2023 Q1	$323K	Buy	6,300 +5,000	+385%	+$215K	﹤0.01%	3172
2022 Q4	$46.6K	Sell	1,300 -1,500	-54%	-$50.7K	﹤0.01%	4216
2022 Q3	$71K	Buy	2,800 +1,500	+115%	+$37.5K	﹤0.01%	4164
2022 Q2	$28K	Sell	1,300 -289,800	-100%	-$7.17M	﹤0.01%	4468
2022 Q1	$9.28M	Sell	291,100 -6,500	-2%	-$180K	0.03%	662
2021 Q4	$8.75M	Buy	297,600 +11,600	+4%	+$295K	0.03%	674
2021 Q3	$6.35M	Buy	286,000 +279,400	+4,233%	+$6.58M	0.02%	800
2021 Q2	$156K	Sell	6,600 -5,900	-47%	-$119K	﹤0.01%	4113
2021 Q1	$243K	Sell	12,500 -7,900	-39%	-$159K	﹤0.01%	3446
2020 Q4	$356K	Sell	20,400 -2,000	-9%	-$31.4K	﹤0.01%	2980
2020 Q3	$307K	Sell	22,400 -12,300	-35%	-$175K	﹤0.01%	2652
2020 Q2	$527K	Buy	34,700 +100	+0.3%	+$1.41K	﹤0.01%	2248
2020 Q1	$384K	Buy	34,600 +8,900	+35%	+$123K	﹤0.01%	2077
2019 Q4	$354K	Buy	25,700 +20,300	+376%	+$272K	﹤0.01%	2693
2019 Q3	$71K	Sell	5,400 -14,300	-73%	-$179K	﹤0.01%	3457
2019 Q2	$237K	Sell	19,700 -4,800	-20%	-$55K	﹤0.01%	2816
2019 Q1	$256K	Sell	24,500 -5,200	-18%	-$49.9K	﹤0.01%	2836
2018 Q4	$228K	Sell	29,700 -51,500	-63%	-$448K	﹤0.01%	3275
2018 Q3	$886K	Buy	81,200 +15,700	+24%	+$191K	﹤0.01%	2222
2018 Q2	$821K	Sell	65,500 -42,800	-40%	-$579K	﹤0.01%	2315
2018 Q1	$1.45M	Buy	108,300 +13,100	+14%	+$175K	0.01%	1548
2017 Q4	$1.35K	Buy	95,200 +81,200	+580%	+$1.17M	0.01%	1633
2017 Q3	$186	Buy	14,000 +10,000	+250%	+$128K	﹤0.01%	3285
2017 Q2	$46	Sell	4,000 -21,400	-84%	-$263K	﹤0.01%	3910
2017 Q1	$334	Sell	25,400 -46,600	-65%	-$612K	﹤0.01%	2576
2016 Q4	$990K	Sell	72,000 -19,700	-21%	-$255K	0.01%	1527
2016 Q3	$1.15M	Sell	91,700 -39,000	-30%	-$515K	0.01%	1425
2016 Q2	$1.58M	Buy	130,700 +107,200	+456%	+$1.31M	0.01%	1201
2016 Q1	$323K	Sell	23,500 -449,900	-95%	-$5.58M	﹤0.01%	2343
2015 Q4	$5.49M	Buy	473,400 +463,900	+4,883%	+$5.35M	0.05%	339
2015 Q3	$112K	Buy	9,500 +9,300	+4,650%	+$121K	﹤0.01%	2853
2015 Q2	$3K	Sell	200 -18,800	-99%	-$269K	﹤0.01%	4626
2015 Q1	$239K	Buy	19,000 +16,200	+579%	+$190K	﹤0.01%	2058
2014 Q4	$31K	Hold	2,800	–	–	﹤0.01%	3461
2014 Q3	$34K	Sell	2,800 -18,800	-87%	-$237K	﹤0.01%	3343
2014 Q2	$310	Buy	21,600 +10,400	+93%	+$129K	﹤0.01%	1646
2014 Q1	$120	Buy	11,200 +4,500	+67%	+$42.2K	﹤0.01%	2266
2013 Q4	$64K	Buy	6,700 +4,700	+235%	+$42.3K	﹤0.01%	2721
2013 Q3	$19K	Sell	2,000 -12,900	-87%	-$118K	﹤0.01%	2548
2013 Q2	$128K	Buy	+14,900	New	+$111K	﹤0.01%	1902

Other funds holding RMBS

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

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

Walleye Trading's RMBS Position: Q1 2025 in Review

Walleye Trading sold out of Rambus (RMBS) in Q1 2025, closing a stake of 5,941 shares — an estimated $349K sold.

Walleye Trading first reported a position in RMBS in Q2 2013 and held it in 27 quarters. The position peaked at $10.2M in Q2 2023. 414 funds tracked by Wall St. Rank hold RMBS as of Q1 2025.

Walleye Trading reported no remaining Rambus position as of Q1 2025 after selling out during the quarter.
Walleye Trading sold 5,941 Rambus shares in Q1 2025, an estimated $349K.
Walleye Trading first reported a position in Rambus in Q2 2013 and held it in 27 quarters.
Walleye Trading's Rambus position peaked at $10.2M in Q2 2023.
414 funds tracked by Wall St. Rank held Rambus as of Q1 2025.

Based on Walleye Trading's 13F filing for Q1 2025, filed 14 May 2025.