K.J. Harrison & Partners’s Rambus RMBS Stock Holding History

K.J. Harrison & Partners’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
2025 Q4	–	Sell	-5,000	Closed	-$519K	–	253
2025 Q3	$519K	Sell	5,000 -2,500	-33%	-$193K	0.07%	169
2025 Q2	$480K	Hold	7,500	–	–	0.08%	156
2025 Q1	$388K	Buy	+7,500	New	+$441K	0.08%	148
2021 Q2	–	Sell	-35,000	Closed	-$680K	–	381
2021 Q1	$680K	Hold	35,000	–	–	0.11%	180
2020 Q4	$611K	Buy	+35,000	New	+$549K	0.1%	188

Other funds holding RMBS

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 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

AllianceBernstein Nashville, Tennessee $302B AUM 26.44% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Norges Bank Oslo, Norway $1T AUM

K.J. Harrison & Partners's RMBS Position: Q4 2025 in Review

K.J. Harrison & Partners sold out of Rambus (RMBS) in Q4 2025, closing a stake of 5,000 shares — an estimated $519K sold.

K.J. Harrison & Partners first reported a position in RMBS in Q4 2020 and held it in 5 quarters. The position peaked at $680K in Q1 2021. 553 funds tracked by Wall St. Rank hold RMBS as of Q4 2025.

K.J. Harrison & Partners reported no remaining Rambus position as of Q4 2025 after selling out during the quarter.
K.J. Harrison & Partners sold 5,000 Rambus shares in Q4 2025, an estimated $519K.
K.J. Harrison & Partners first reported a position in Rambus in Q4 2020 and held it in 5 quarters.
K.J. Harrison & Partners's Rambus position peaked at $680K in Q1 2021.
553 funds tracked by Wall St. Rank held Rambus as of Q4 2025.

Based on K.J. Harrison & Partners's 13F filing for Q4 2025, filed 3 Feb 2026.