Optiver Holding
RMBS icon

Optiver Holding’s Rambus RMBS Stock Holding History

Optiver Holding’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 		– Sell
-480
Closed -$41.3K – 3036
2026
Q1 		$41.3K Sell
480
-85
-15% -$8.48K ﹤0.01% 989
2025
Q4 		$51.9K Sell
565
-183
-24% -$18K ﹤0.01% 896
2025
Q3 		$77.9K Sell
748
-199
-21% -$15.3K ﹤0.01% 716
2025
Q2 		$60.6K Sell
947
-149
-14% -$7.98K ﹤0.01% 600
2025
Q1 		$56.7K Buy
1,096
+320
+41% +$18.8K ﹤0.01% 506
2024
Q4 		$41K Sell
776
-229
-23% -$11.7K ﹤0.01% 615
2024
Q3 		$42.4K Sell
1,005
-773
-43% -$37.5K ﹤0.01% 581
2024
Q2 		$104K Buy
+1,778
New +$102K ﹤0.01% 515
2022
Q2 		– Sell
-887
Closed -$28K – 500
2022
Q1 		$28K Buy
887
+429
+94% +$11.9K ﹤0.01% 352
2021
Q4 		$13K Buy
+458
New +$11.6K ﹤0.01% 662

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

Optiver Holding's RMBS Position: Q2 2026 in Review

Optiver Holding sold out of Rambus (RMBS) in Q2 2026, closing a stake of 480 shares — an estimated $41.3K sold.

Optiver Holding first reported a position in RMBS in Q4 2021 and held it in 10 quarters. The position peaked at $104K in Q2 2024. 618 funds tracked by Wall St. Rank hold RMBS as of Q2 2026.

  • Optiver Holding reported no remaining Rambus position as of Q2 2026 after selling out during the quarter.
  • Optiver Holding sold 480 Rambus shares in Q2 2026, an estimated $41.3K.
  • Optiver Holding first reported a position in Rambus in Q4 2021 and held it in 10 quarters.
  • Optiver Holding's Rambus position peaked at $104K in Q2 2024.
  • 618 funds tracked by Wall St. Rank held Rambus as of Q2 2026.

Based on Optiver Holding's 13F filing for Q2 2026, filed 12 Aug 2026.