Capstone Capital Management’s Rambus RMBS Stock Holding History

Capstone Capital 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	-23,326	Closed	-$2.01M	–	180
2026 Q1	$2.01M	Buy	+23,326	New	+$2.33M	2.02%	14

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

Capstone Capital Management's RMBS Position: Q2 2026 in Review

Capstone Capital Management sold out of Rambus (RMBS) in Q2 2026, closing a stake of 23,326 shares — an estimated $2.01M sold.

Capstone Capital Management first reported a position in RMBS in Q1 2026 and held it in 1 quarter. The position peaked at $2.01M in Q1 2026. 617 funds tracked by Wall St. Rank hold RMBS as of Q2 2026.

Capstone Capital Management reported no remaining Rambus position as of Q2 2026 after selling out during the quarter.
Capstone Capital Management sold 23,326 Rambus shares in Q2 2026, an estimated $2.01M.
Capstone Capital Management first reported a position in Rambus in Q1 2026 and held it in 1 quarter.
Capstone Capital Management's Rambus position peaked at $2.01M in Q1 2026.
617 funds tracked by Wall St. Rank held Rambus as of Q2 2026.

Based on Capstone Capital Management's 13F filing for Q2 2026, filed 20 Jul 2026.