Illinois Municipal Retirement Fund’s Rambus RMBS Stock Holding History

Illinois Municipal Retirement Fund’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	$3.64M	Buy	27,433 +119	+0.4%	+$15.5K	0.04%	451
2026 Q1	$2.35M	Buy	27,314 +2,974	+12%	+$297K	0.03%	538
2025 Q4	$2.24M	Buy	24,340 +5,845	+32%	+$575K	0.03%	548
2025 Q3	$1.93M	Buy	18,495 +9,190	+99%	+$708K	0.02%	609
2025 Q2	$596K	Sell	9,305 -799	-8%	-$42.8K	0.01%	1054
2025 Q1	$523K	Hold	10,104	–	–	0.01%	1182
2024 Q4	$534K	Hold	10,104	–	–	0.01%	1203
2024 Q3	$427K	Hold	10,104	–	–	0.01%	1256
2024 Q2	$594K	Hold	10,104	–	–	0.01%	1143
2024 Q1	$625K	Hold	10,104	–	–	0.01%	1147
2023 Q4	$690K	Sell	10,104 -61,813	-86%	-$3.85M	0.01%	1090
2023 Q3	$4.01M	Buy	+71,917	New	+$4.08M	0.07%	294

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

Illinois Municipal Retirement Fund's RMBS Position: Q2 2026 in Review

Illinois Municipal Retirement Fund increased its Rambus (RMBS) stake by 0.44% in Q2 2026, buying an estimated $15.5K and bringing the position to 27,433 shares worth $3.64M. The position accounts for 0.04% of the portfolio, ranked #451.

Illinois Municipal Retirement Fund first reported a position in RMBS in Q3 2023 and has held it in 12 quarters since. The position peaked at $4.01M in Q3 2023. 617 funds tracked by Wall St. Rank hold RMBS as of Q2 2026.

Illinois Municipal Retirement Fund held 27,433 shares of Rambus worth $3.64M as of Q2 2026.
Illinois Municipal Retirement Fund bought 119 Rambus shares in Q2 2026, an estimated $15.5K.
Rambus made up 0.04% of Illinois Municipal Retirement Fund's portfolio in Q2 2026, its #451 holding.
Illinois Municipal Retirement Fund first reported a position in Rambus in Q3 2023 and has held it in 12 quarters since.
Illinois Municipal Retirement Fund's Rambus position peaked at $4.01M in Q3 2023.
617 funds tracked by Wall St. Rank held Rambus as of Q2 2026.

Based on Illinois Municipal Retirement Fund's 13F filing for Q2 2026, filed 12 Aug 2026.