Mariner
RMBS icon

Mariner’s Rambus RMBS Stock Holding History

Mariner’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 		$2.65M Buy
19,935
+660
+3% +$85.8K ﹤0.01% 1328
2026
Q1 		$1.66M Sell
19,275
-83
-0.4% -$8.28K ﹤0.01% 1631
2025
Q4 		$1.78M Sell
19,358
-513
-3% -$50.5K ﹤0.01% 1569
2025
Q3 		$2.07M Buy
19,871
+1,960
+11% +$151K ﹤0.01% 1409
2025
Q2 		$1.15M Buy
17,911
+1,448
+9% +$77.6K ﹤0.01% 1702
2025
Q1 		$852K Buy
16,463
+3,990
+32% +$234K ﹤0.01% 1805
2024
Q4 		$659K Buy
12,473
+167
+1% +$8.51K ﹤0.01% 1958
2024
Q3 		$519K Buy
12,306
+1,417
+13% +$68.7K ﹤0.01% 2104
2024
Q2 		$640K Sell
10,889
-106
-1% -$6.06K ﹤0.01% 1866
2024
Q1 		$680K Sell
10,995
-1,583
-13% -$100K ﹤0.01% 1798
2023
Q4 		$858K Buy
12,578
+1,855
+17% +$116K ﹤0.01% 1541
2023
Q3 		$598K Buy
10,723
+548
+5% +$31.1K ﹤0.01% 1656
2023
Q2 		$653K Sell
10,175
-466
-4% -$25.7K ﹤0.01% 1563
2023
Q1 		$545K Sell
10,641
-1,799
-14% -$77.3K ﹤0.01% 1636
2022
Q4 		$446K Buy
12,440
+571
+5% +$19.3K ﹤0.01% 1729
2022
Q3 		$302K Buy
+11,869
New +$297K ﹤0.01% 1764

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

Mariner's RMBS Position: Q2 2026 in Review

Mariner increased its Rambus (RMBS) stake by 3.4% in Q2 2026, buying an estimated $85.8K and bringing the position to 19,935 shares worth $2.65M. The position accounts for ﹤0.01% of the portfolio, ranked #1328.

Mariner first reported a position in RMBS in Q3 2022 and has held it in 16 quarters since. 618 funds tracked by Wall St. Rank hold RMBS as of Q2 2026.

  • Mariner held 19,935 shares of Rambus worth $2.65M as of Q2 2026.
  • Mariner bought 660 Rambus shares in Q2 2026, an estimated $85.8K.
  • Rambus made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #1328 holding.
  • Mariner first reported a position in Rambus in Q3 2022 and has held it in 16 quarters since.
  • 618 funds tracked by Wall St. Rank held Rambus as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.