John Overdeck’s Rambus RMBS Stock Holding History

John Overdeck’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	$1.25M	Buy	+9,400	New	+$1.22M	﹤0.01%	3436

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

John Overdeck's RMBS Position: Q2 2026 in Review

John Overdeck increased its Rambus (RMBS) stake by 188% in Q2 2026, buying an estimated $18.9M and bringing the position to 222,921 shares worth $29.6M. The position accounts for 0.02% of the portfolio, ranked #815.

John Overdeck first reported a position in RMBS in Q2 2013 and has held it in 50 quarters since. The position peaked at $34.8M in Q3 2024. 614 funds tracked by Wall St. Rank hold RMBS as of Q2 2026.

John Overdeck held 222,921 shares of Rambus worth $29.6M as of Q2 2026.
John Overdeck bought 145,511 Rambus shares in Q2 2026, an estimated $18.9M.
Rambus made up 0.02% of John Overdeck's portfolio in Q2 2026, its #815 holding.
John Overdeck first reported a position in Rambus in Q2 2013 and has held it in 50 quarters since.
John Overdeck's Rambus position peaked at $34.8M in Q3 2024.
614 funds tracked by Wall St. Rank held Rambus as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.