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Westwood Holdings Group’s Rambus RMBS Stock Holding History

Westwood Holdings Group’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 		$31.8M Buy
369,150
+84,077
+29% +$8.39M 0.23% 155
2025
Q4 		$26.2M Buy
285,073
+50,016
+21% +$4.92M 0.21% 166
2025
Q3 		$24.5M Sell
235,057
-1,502,005
-86% -$116M 0.17% 170
2025
Q2 		$111M Buy
1,737,062
+504,852
+41% +$27.1M 0.8% 25
2025
Q1 		$63.8M Buy
1,232,210
+104,356
+9% +$6.13M 0.48% 88
2024
Q4 		$59.6M Sell
1,127,854
-302,042
-21% -$15.4M 0.46% 85
2024
Q3 		$60.4M Buy
1,429,896
+947,140
+196% +$45.9M 0.25% 131
2024
Q2 		$28.4M Buy
482,756
+43,275
+10% +$2.47M 0.13% 176
2024
Q1 		$27.2M Buy
439,481
+219,414
+100% +$13.9M 0.21% 148
2023
Q4 		$15M Buy
220,067
+38,268
+21% +$2.38M 0.13% 173
2023
Q3 		$10.1M Sell
181,799
-35,967
-17% -$2.04M 0.09% 189
2023
Q2 		$14M Sell
217,766
-1,297,768
-86% -$71.5M 0.13% 173
2023
Q1 		$77.7M Sell
1,515,534
-429,730
-22% -$18.5M 0.7% 39
2022
Q4 		$69.7M Sell
1,945,264
-974,610
-33% -$33M 0.61% 56
2022
Q3 		$74.2M Sell
2,919,874
-230,207
-7% -$5.76M 0.88% 25
2022
Q2 		$67.7M Buy
3,150,081
+629,797
+25% +$15.6M 0.74% 43
2022
Q1 		$80.4M Sell
2,520,284
-401,550
-14% -$11.1M 0.74% 47
2021
Q4 		$85.9M Buy
+2,921,834
New +$74.3M 0.77% 35

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

Westwood Holdings Group's RMBS Position: Q1 2026 in Review

Westwood Holdings Group increased its Rambus (RMBS) stake by 29% in Q1 2026, buying an estimated $8.39M and bringing the position to 369,150 shares worth $31.8M. The position accounts for 0.23% of the portfolio, ranked #155.

Westwood Holdings Group first reported a position in RMBS in Q4 2021 and has held it in 18 quarters since. The position peaked at $111M in Q2 2025. 553 funds tracked by Wall St. Rank hold RMBS as of Q1 2026.

  • Westwood Holdings Group held 369,150 shares of Rambus worth $31.8M as of Q1 2026.
  • Westwood Holdings Group bought 84,077 Rambus shares in Q1 2026, an estimated $8.39M.
  • Rambus made up 0.23% of Westwood Holdings Group's portfolio in Q1 2026, its #155 holding.
  • Westwood Holdings Group first reported a position in Rambus in Q4 2021 and has held it in 18 quarters since.
  • Westwood Holdings Group's Rambus position peaked at $111M in Q2 2025.
  • 553 funds tracked by Wall St. Rank held Rambus as of Q1 2026.

Based on Westwood Holdings Group's 13F filing for Q1 2026, filed 15 May 2026.