Parallax Volatility Advisers’s Rambus RMBS Stock Holding History

Parallax Volatility Advisers’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	$607K	Buy	+4,573	New	+$595K	﹤0.01%	1077
2024 Q1	–	Sell	-1,781	Closed	-$122K	–	2263
2023 Q4	$122K	Buy	+1,781	New	+$111K	﹤0.01%	1850
2022 Q1	–	Sell	-132	Closed	-$4K	–	3311
2021 Q4	$4K	Hold	132	–	–	﹤0.01%	2898
2021 Q3	$3K	Hold	132	–	–	﹤0.01%	2882
2021 Q2	$3K	Hold	132	–	–	﹤0.01%	2863
2021 Q1	$3K	Sell	132 -24,909	-99%	-$500K	﹤0.01%	3165
2020 Q4	$437K	Buy	+25,041	New	+$393K	﹤0.01%	2542
2020 Q3	–	Sell	-40,112	Closed	-$570K	–	3144
2020 Q2	$610K	Buy	+40,112	New	+$565K	﹤0.01%	1909
2019 Q4	–	Sell	-35,303	Closed	-$463K	–	2601
2019 Q3	$463K	Buy	+35,303	New	+$443K	﹤0.01%	1630
2019 Q1	–	Sell	-16,500	Closed	-$127K	–	3802
2018 Q4	$127K	Buy	+16,500	New	+$143K	﹤0.01%	1873
2018 Q2	–	Sell	-5,218	Closed	-$70.5K	–	3089
2018 Q1	$70K	Sell	5,218 -11,540	-69%	-$154K	﹤0.01%	1431
2017 Q4	$238K	Buy	+16,758	New	+$241K	﹤0.01%	2139
2017 Q1	–	Sell	-2,086	Closed	-$27.4K	–	4454
2016 Q4	$29K	Sell	2,086 -1,137	-35%	-$14.7K	﹤0.01%	2599
2016 Q3	$40K	Buy	3,223 +1,088	+51%	+$14.4K	﹤0.01%	2436
2016 Q2	$26K	Sell	2,135 -8,486	-80%	-$103K	﹤0.01%	2290
2016 Q1	$146K	Buy	10,621 +691	+7%	+$8.57K	﹤0.01%	1859
2015 Q4	$115K	Buy	9,930 +6,601	+198%	+$76.2K	﹤0.01%	2079
2015 Q3	$39K	Sell	3,329 -6,128	-65%	-$79.6K	﹤0.01%	2239
2015 Q2	$137K	Buy	+9,457	New	+$135K	﹤0.01%	2142
2015 Q1	–	Sell	-2,480	Closed	-$28K	–	5305
2014 Q4	$28K	Buy	+2,480	New	+$28.1K	﹤0.01%	4295
2014 Q2	–	Sell	-452	Closed	-$5.59K	–	4267
2014 Q1	$5K	Buy	+452	New	+$4.24K	﹤0.01%	3189

Other funds holding RMBS

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Parallax Volatility Advisers's RMBS Position: Q2 2026 in Review

Parallax Volatility Advisers opened a new position in Rambus (RMBS) in Q2 2026: 4,573 shares worth $607K. The stake represents ﹤0.01% of the portfolio and ranks #1077 among its holdings. This is a return to the name: Parallax Volatility Advisers previously reported a position in RMBS as recently as Q4 2023.

Parallax Volatility Advisers first reported a position in RMBS in Q1 2014 and has held it in 21 quarters since. The position peaked at $610K in Q2 2020. 618 funds tracked by Wall St. Rank hold RMBS as of Q2 2026.

Parallax Volatility Advisers held 4,573 shares of Rambus worth $607K as of Q2 2026.
Rambus was a new Parallax Volatility Advisers position in Q2 2026.
Rambus made up ﹤0.01% of Parallax Volatility Advisers's portfolio in Q2 2026, its #1077 holding.
Parallax Volatility Advisers first reported a position in Rambus in Q1 2014 and has held it in 21 quarters since.
Parallax Volatility Advisers's Rambus position peaked at $610K in Q2 2020.
618 funds tracked by Wall St. Rank held Rambus as of Q2 2026.

Based on Parallax Volatility Advisers's 13F filing for Q2 2026, filed 14 Aug 2026.