AlphaGrep UK’s Rambus RMBS Stock Holding History

AlphaGrep UK’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 Q3	–	Sell	-5,945	Closed	-$789K	–	921
2026 Q2	$789K	Buy	5,945 +3,276	+123%	+$426K	0.23%	91
2026 Q1	$230K	Buy	2,669 +92	+4%	+$9.18K	0.07%	652
2025 Q4	$237K	Buy	+2,577	New	+$254K	0.08%	557

Other funds holding RMBS

BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM

Invesco Atlanta, Georgia $1.27T AUM 50.62% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM

State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return

Swedbank Stockholm, Sweden $118B AUM 40.52% 1-Year Est. Return

Morgan Stanley New York $1.96T AUM 27.49% 1-Year Est. Return

AlphaGrep UK's RMBS Position: Q3 2026 in Review

AlphaGrep UK sold out of Rambus (RMBS) in Q3 2026, closing a stake of 5,945 shares — an estimated $789K sold.

AlphaGrep UK first reported a position in RMBS in Q4 2025 and held it in 3 quarters. The position peaked at $789K in Q2 2026. 453 funds tracked by Wall St. Rank hold RMBS as of Q3 2026.

AlphaGrep UK reported no remaining Rambus position as of Q3 2026 after selling out during the quarter.
AlphaGrep UK sold 5,945 Rambus shares in Q3 2026, an estimated $789K.
AlphaGrep UK first reported a position in Rambus in Q4 2025 and held it in 3 quarters.
AlphaGrep UK's Rambus position peaked at $789K in Q2 2026.
453 funds tracked by Wall St. Rank held Rambus as of Q3 2026.

Based on AlphaGrep UK's 13F filing for Q3 2026, filed 12 Nov 2026.