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
Q2 		$131M Buy
984,388
+238,869
+32% +$31.1M 0.3% 48
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 $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 $3.37T AUM 44.26% 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

Rafferty Asset Management's RMBS Position: Q2 2026 in Review

Rafferty Asset Management increased its Rambus (RMBS) stake by 32% in Q2 2026, buying an estimated $31.1M and bringing the position to 984,388 shares worth $131M. The position accounts for 0.3% of the portfolio, ranked #48.

Rafferty Asset Management first reported a position in RMBS in Q3 2023 and has held it in 8 quarters since. 618 funds tracked by Wall St. Rank hold RMBS as of Q2 2026.

  • Rafferty Asset Management held 984,388 shares of Rambus worth $131M as of Q2 2026.
  • Rafferty Asset Management bought 238,869 Rambus shares in Q2 2026, an estimated $31.1M.
  • Rambus made up 0.3% of Rafferty Asset Management's portfolio in Q2 2026, its #48 holding.
  • Rafferty Asset Management first reported a position in Rambus in Q3 2023 and has held it in 8 quarters since.
  • 618 funds tracked by Wall St. Rank held Rambus as of Q2 2026.

Based on Rafferty Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.