David Shaw’s Rambus RMBS Stock Holding History

David Shaw’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
2023 Q2	–	Sell	-73,600	Closed	-$3.77M	–	4504
2023 Q1	$3.77M	Buy	+73,600	New	+$3.16M	﹤0.01%	2188
2020 Q1	–	Sell	-33,600	Closed	-$463K	–	4201
2019 Q4	$463K	Hold	33,600	–	–	﹤0.01%	3437
2019 Q3	$441K	Hold	33,600	–	–	﹤0.01%	3269
2019 Q2	$405K	Hold	33,600	–	–	﹤0.01%	3172
2019 Q1	$351K	Hold	33,600	–	–	﹤0.01%	3155
2018 Q4	$258K	Buy	+33,600	New	+$292K	﹤0.01%	3432
2015 Q1	–	Sell	-64,500	Closed	-$715K	–	3941
2014 Q4	$715K	Sell	64,500 -39,200	-38%	-$444K	﹤0.01%	3076
2014 Q3	$1.29M	Buy	103,700 +40,000	+63%	+$505K	﹤0.01%	2598
2014 Q2	$911K	Buy	+63,700	New	+$787K	﹤0.01%	3028

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

David Shaw's RMBS Position: Q2 2026 in Review

David Shaw increased its Rambus (RMBS) stake by 5,677% in Q2 2026, buying an estimated $94.5M and bringing the position to 739,701 shares worth $98.2M. The position accounts for 0.05% of the portfolio, ranked #458.

David Shaw first reported a position in RMBS in Q2 2013 and has held it in 51 quarters since. 614 funds tracked by Wall St. Rank hold RMBS as of Q2 2026.

David Shaw held 739,701 shares of Rambus worth $98.2M as of Q2 2026.
David Shaw bought 726,896 Rambus shares in Q2 2026, an estimated $94.5M.
Rambus made up 0.05% of David Shaw's portfolio in Q2 2026, its #458 holding.
David Shaw first reported a position in Rambus in Q2 2013 and has held it in 51 quarters since.
614 funds tracked by Wall St. Rank held Rambus as of Q2 2026.

Based on D.E. Shaw & Co's 13F filing for Q2 2026, filed 14 Aug 2026.