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Horizon Investments’s Rambus RMBS Stock Holding History

Horizon Investments’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 		$290K Buy
2,188
+342
+19% +$44.5K ﹤0.01% 950
2026
Q1 		$159K Sell
1,846
-15,178
-89% -$1.51M ﹤0.01% 1014
2025
Q4 		$1.56M Sell
17,024
-1,453
-8% -$143K 0.02% 532
2025
Q3 		$1.93M Buy
18,477
+9,319
+102% +$718K 0.03% 475
2025
Q2 		$586K Buy
+9,158
New +$491K 0.01% 707

Other funds holding RMBS

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Horizon Investments's RMBS Position: Q2 2026 in Review

Horizon Investments increased its Rambus (RMBS) stake by 19% in Q2 2026, buying an estimated $44.5K and bringing the position to 2,188 shares worth $290K. The position accounts for ﹤0.01% of the portfolio, ranked #950.

Horizon Investments first reported a position in RMBS in Q2 2025 and has held it in 5 quarters since. The position peaked at $1.93M in Q3 2025. 620 funds tracked by Wall St. Rank hold RMBS as of Q2 2026.

  • Horizon Investments held 2,188 shares of Rambus worth $290K as of Q2 2026.
  • Horizon Investments bought 342 Rambus shares in Q2 2026, an estimated $44.5K.
  • Rambus made up ﹤0.01% of Horizon Investments's portfolio in Q2 2026, its #950 holding.
  • Horizon Investments first reported a position in Rambus in Q2 2025 and has held it in 5 quarters since.
  • Horizon Investments's Rambus position peaked at $1.93M in Q3 2025.
  • 620 funds tracked by Wall St. Rank held Rambus as of Q2 2026.

Based on Horizon Investments's 13F filing for Q2 2026, filed 13 Aug 2026.