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David Shaw’s Rambus RMBS Stock Holding History

David Shaw’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
2024
Q1 		– Sell
-42,700
Closed -$2.91M – 4670
2023
Q4 		$2.91M Hold
42,700
– – ﹤0.01% 2361
2023
Q3 		$2.38M Hold
42,700
– – ﹤0.01% 2438
2023
Q2 		$2.74M Sell
42,700
-59,900
-58% -$3.3M ﹤0.01% 2372
2023
Q1 		$5.26M Hold
102,600
– – 0.01% 1894
2022
Q4 		$3.68M Buy
+102,600
New +$3.47M ﹤0.01% 2373
2022
Q2 		– Sell
-77,200
Closed -$2.46M – 5708
2022
Q1 		$2.46M Hold
77,200
– – ﹤0.01% 3109
2021
Q4 		$2.27M Buy
+77,200
New +$1.96M ﹤0.01% 3240
2015
Q1 		– Sell
-122,200
Closed -$1.35M – 3940
2014
Q4 		$1.35M Sell
122,200
-47,500
-28% -$538K ﹤0.01% 2590
2014
Q3 		$2.12M Hold
169,700
– – ﹤0.01% 2193
2014
Q2 		$2.43M Buy
+169,700
New +$2.1M ﹤0.01% 2160

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

David Shaw's RMBS Position: Q2 2026 in Review

David Shaw increased its Rambus (RMBS) stake by 5,677% in Q2 2026, buying an estimated $94.5M and bringing the position to 739,701 shares worth $98.2M. The position accounts for 0.05% of the portfolio, ranked #458.

David Shaw first reported a position in RMBS in Q2 2013 and has held it in 51 quarters since. 614 funds tracked by Wall St. Rank hold RMBS as of Q2 2026.

  • David Shaw held 739,701 shares of Rambus worth $98.2M as of Q2 2026.
  • David Shaw bought 726,896 Rambus shares in Q2 2026, an estimated $94.5M.
  • Rambus made up 0.05% of David Shaw's portfolio in Q2 2026, its #458 holding.
  • David Shaw first reported a position in Rambus in Q2 2013 and has held it in 51 quarters since.
  • 614 funds tracked by Wall St. Rank held Rambus as of Q2 2026.

Based on D.E. Shaw & Co's 13F filing for Q2 2026, filed 14 Aug 2026.