UBS Group’s Rambus RMBS Stock Holding History

UBS Group’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	$969K	Sell	7,300 -9,182	-56%	-$1.19M	﹤0.01%	5760
2026 Q1	$1.42M	Buy	+16,482	New	+$1.64M	﹤0.01%	5270
2024 Q1	–	Sell	-98,500	Closed	-$6.72M	–	9911
2023 Q4	$6.72M	Buy	+98,500	New	+$6.14M	﹤0.01%	2453
2017 Q1	–	Sell	-50,000	Closed	-$689K	–	7914
2016 Q4	$689K	Hold	50,000	–	–	﹤0.01%	3872
2016 Q3	$625K	Hold	50,000	–	–	﹤0.01%	3761
2016 Q2	$604K	Hold	50,000	–	–	﹤0.01%	3758
2016 Q1	$688K	Sell	50,000 -700	-1%	-$8.68K	﹤0.01%	3538
2015 Q4	$588K	Hold	50,700	–	–	﹤0.01%	3814
2015 Q3	$598K	Hold	50,700	–	–	﹤0.01%	3749
2015 Q2	$735K	Buy	50,700 +50,000	+7,143%	+$715K	﹤0.01%	3808
2015 Q1	$9K	Sell	700 -18,700	-96%	-$220K	﹤0.01%	7725
2014 Q4	$215K	Buy	+19,400	New	+$220K	﹤0.01%	4983

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

UBS Group's RMBS Position: Q2 2026 in Review

UBS Group reduced its Rambus (RMBS) stake by 61% in Q2 2026, selling an estimated $75.8M and leaving 373,590 shares worth $49.6M. The position accounts for 0.01% of the portfolio, ranked #1750.

UBS Group first reported a position in RMBS in Q4 2014 and has held it in 47 quarters since. The position peaked at $82.3M in Q1 2026. 618 funds tracked by Wall St. Rank hold RMBS as of Q2 2026.

UBS Group held 373,590 shares of Rambus worth $49.6M as of Q2 2026.
UBS Group sold 582,797 Rambus shares in Q2 2026, an estimated $75.8M.
Rambus made up 0.01% of UBS Group's portfolio in Q2 2026, its #1750 holding.
UBS Group first reported a position in Rambus in Q4 2014 and has held it in 47 quarters since.
UBS Group's Rambus position peaked at $82.3M in Q1 2026.
618 funds tracked by Wall St. Rank held Rambus as of Q2 2026.

Based on UBS Group's 13F filing for Q2 2026, filed 13 Aug 2026.