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RMBS icon

AlphaQuest’s Rambus RMBS Stock Holding History

AlphaQuest’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 		– Sell
-2,378
Closed -$219K – 1648
2025
Q4 		$219K Buy
2,378
+307
+15% +$30.2K 0.01% 1398
2025
Q3 		$216K Sell
2,071
-19,986
-91% -$1.54M 0.01% 1369
2025
Q2 		$1.41M Buy
22,057
+21,409
+3,304% +$1.15M 0.14% 184
2025
Q1 		$33.5K Sell
648
-7,574
-92% -$445K ﹤0.01% 1614
2024
Q4 		$435K Sell
8,222
-20,393
-71% -$1.04M 0.06% 542
2024
Q3 		$1.21M Buy
28,615
+17,190
+150% +$833K 0.11% 291
2024
Q2 		$671K Buy
11,425
+11,365
+18,942% +$650K 0.09% 355
2024
Q1 		$3.71K Buy
+60
New +$3.8K ﹤0.01% 1104

Other funds holding RMBS

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
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
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
EIG
EdgePoint Investment Group Toronto, Ontario, Canada $13.2B AUM 32.43% 1-Year Est. Return

AlphaQuest's RMBS Position: Q1 2026 in Review

AlphaQuest sold out of Rambus (RMBS) in Q1 2026, closing a stake of 2,378 shares — an estimated $219K sold.

AlphaQuest first reported a position in RMBS in Q1 2024 and held it in 8 quarters. The position peaked at $1.41M in Q2 2025. 557 funds tracked by Wall St. Rank hold RMBS as of Q1 2026.

  • AlphaQuest reported no remaining Rambus position as of Q1 2026 after selling out during the quarter.
  • AlphaQuest sold 2,378 Rambus shares in Q1 2026, an estimated $219K.
  • AlphaQuest first reported a position in Rambus in Q1 2024 and held it in 8 quarters.
  • AlphaQuest's Rambus position peaked at $1.41M in Q2 2025.
  • 557 funds tracked by Wall St. Rank held Rambus as of Q1 2026.

Based on AlphaQuest's 13F filing for Q1 2026.