Harbor Capital Advisors’s Rambus RMBS Stock Holding History

Harbor Capital Advisors’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 Q1	$13K	Sell	152 -6,251	-98%	-$624K	﹤0.01%	924
2025 Q4	$588K	Sell	6,403 -2,847	-31%	-$280K	0.05%	437
2025 Q3	$964K	Sell	9,250 -55,190	-86%	-$4.25M	0.07%	331
2025 Q2	$4.13M	Sell	64,440 -12,179	-16%	-$653K	0.17%	192
2025 Q1	$3.97M	Sell	76,619 -9,295	-11%	-$546K	0.18%	178
2024 Q4	$4.54M	Buy	85,914 +23,269	+37%	+$1.19M	0.2%	153
2024 Q3	$2.65M	Buy	62,645 +43,706	+231%	+$2.12M	0.12%	243
2024 Q2	$1.11M	Buy	18,939 +16,067	+559%	+$918K	0.08%	328
2024 Q1	$178K	Buy	+2,872	New	+$182K	0.02%	631

Other funds holding RMBS

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

EIG

EdgePoint Investment Group Toronto, Ontario, Canada $12.5B AUM 31.7% 1-Year Est. Return

Harbor Capital Advisors's RMBS Position: Q1 2026 in Review

Harbor Capital Advisors reduced its Rambus (RMBS) stake by 98% in Q1 2026, selling an estimated $624K and leaving 152 shares worth $13K. The position accounts for ﹤0.01% of the portfolio, ranked #924.

Harbor Capital Advisors first reported a position in RMBS in Q1 2024 and has held it in 9 quarters since. The position peaked at $4.54M in Q4 2024. 553 funds tracked by Wall St. Rank hold RMBS as of Q1 2026.

Harbor Capital Advisors held 152 shares of Rambus worth $13K as of Q1 2026.
Harbor Capital Advisors sold 6,251 Rambus shares in Q1 2026, an estimated $624K.
Rambus made up ﹤0.01% of Harbor Capital Advisors's portfolio in Q1 2026, its #924 holding.
Harbor Capital Advisors first reported a position in Rambus in Q1 2024 and has held it in 9 quarters since.
Harbor Capital Advisors's Rambus position peaked at $4.54M in Q4 2024.
553 funds tracked by Wall St. Rank held Rambus as of Q1 2026.

Based on Harbor Capital Advisors's 13F filing for Q1 2026, filed 28 Apr 2026.