Rafferty Asset Management
RMBS icon

Rafferty Asset Management’s Rambus RMBS Stock Holding History

Rafferty Asset Management’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 		$64.1M Sell
745,519
-190,265
-20% -$19M 0.26% 53
2025
Q4 		$86M Buy
935,784
+34,034
+4% +$3.35M 0.3% 51
2025
Q3 		$94M Buy
+901,750
New +$69.5M 0.3% 46
2024
Q3 		– Sell
-871,309
Closed -$51.2M – 1183
2024
Q2 		$51.2M Sell
871,309
-86,038
-9% -$4.92M 0.19% 65
2024
Q1 		$59.2M Buy
957,347
+279,687
+41% +$17.7M 0.22% 57
2023
Q4 		$46.3M Buy
677,660
+80,670
+14% +$5.03M 0.2% 60
2023
Q3 		$33.3M Buy
+596,990
New +$33.9M 0.2% 64

Other funds holding RMBS

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
T. Rowe Price Investment Management
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

Rafferty Asset Management's RMBS Position: Q1 2026 in Review

Rafferty Asset Management reduced its Rambus (RMBS) stake by 20% in Q1 2026, selling an estimated $19M and leaving 745,519 shares worth $64.1M. The position accounts for 0.26% of the portfolio, ranked #53.

Rafferty Asset Management first reported a position in RMBS in Q3 2023 and has held it in 7 quarters since. The position peaked at $94M in Q3 2025. 553 funds tracked by Wall St. Rank hold RMBS as of Q1 2026.

  • Rafferty Asset Management held 745,519 shares of Rambus worth $64.1M as of Q1 2026.
  • Rafferty Asset Management sold 190,265 Rambus shares in Q1 2026, an estimated $19M.
  • Rambus made up 0.26% of Rafferty Asset Management's portfolio in Q1 2026, its #53 holding.
  • Rafferty Asset Management first reported a position in Rambus in Q3 2023 and has held it in 7 quarters since.
  • Rafferty Asset Management's Rambus position peaked at $94M in Q3 2025.
  • 553 funds tracked by Wall St. Rank held Rambus as of Q1 2026.

Based on Rafferty Asset Management's 13F filing for Q1 2026, filed 15 May 2026.