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
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 $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
EIG
EdgePoint Investment Group Toronto, Ontario, Canada $12.5B AUM 31.7% 1-Year Est. Return

Mariner's RMBS Position: Q1 2026 in Review

Mariner reduced its Rambus (RMBS) stake by 0.43% in Q1 2026, selling an estimated $8.28K and leaving 19,275 shares worth $1.66M. The position accounts for ﹤0.01% of the portfolio, ranked #1631.

Mariner first reported a position in RMBS in Q3 2022 and has held it in 15 quarters since. The position peaked at $2.07M in Q3 2025. 553 funds tracked by Wall St. Rank hold RMBS as of Q1 2026.

  • Mariner held 19,275 shares of Rambus worth $1.66M as of Q1 2026.
  • Mariner sold 83 Rambus shares in Q1 2026, an estimated $8.28K.
  • Rambus made up ﹤0.01% of Mariner's portfolio in Q1 2026, its #1631 holding.
  • Mariner first reported a position in Rambus in Q3 2022 and has held it in 15 quarters since.
  • Mariner's Rambus position peaked at $2.07M in Q3 2025.
  • 553 funds tracked by Wall St. Rank held Rambus as of Q1 2026.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.