Sunstone Asset Management’s Rambus RMBS Stock Holding History

Sunstone Asset Management’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	–	Sell	-11,746	Closed	-$1.01M	–	75
2026 Q1	$1.01M	Buy	+11,746	New	+$1.17M	1.19%	36

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

Sunstone Asset Management's RMBS Position: Q2 2026 in Review

Sunstone Asset Management sold out of Rambus (RMBS) in Q2 2026, closing a stake of 11,746 shares — an estimated $1.01M sold.

Sunstone Asset Management first reported a position in RMBS in Q1 2026 and held it in 1 quarter. The position peaked at $1.01M in Q1 2026. 617 funds tracked by Wall St. Rank hold RMBS as of Q2 2026.

Sunstone Asset Management reported no remaining Rambus position as of Q2 2026 after selling out during the quarter.
Sunstone Asset Management sold 11,746 Rambus shares in Q2 2026, an estimated $1.01M.
Sunstone Asset Management first reported a position in Rambus in Q1 2026 and held it in 1 quarter.
Sunstone Asset Management's Rambus position peaked at $1.01M in Q1 2026.
617 funds tracked by Wall St. Rank held Rambus as of Q2 2026.

Based on Sunstone Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.