Marshall Wace
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Marshall Wace’s RUM Group Inc RUM Stock Holding History

Marshall Wace’s Portfolio RUM Stock Details RUM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$393K Sell
61,975
-355,249
-85% -$2.52M ﹤0.01% 2609
2026
Q1 		$2.13M Buy
417,224
+247,574
+146% +$1.42M ﹤0.01% 1746
2025
Q4 		$1.07M Buy
169,650
+134,575
+384% +$923K ﹤0.01% 1889
2025
Q3 		$254K Sell
35,075
-2,640
-7% -$21.6K ﹤0.01% 2487
2025
Q2 		$339K Sell
37,715
-181,360
-83% -$1.55M ﹤0.01% 2286
2025
Q1 		$1.55M Buy
+219,075
New +$2.29M ﹤0.01% 1582
2024
Q1 		– Sell
-141,200
Closed -$634K – 2762
2023
Q4 		$634K Sell
141,200
-174,538
-55% -$852K ﹤0.01% 1631
2023
Q3 		$1.61M Sell
315,738
-89,335
-22% -$667K ﹤0.01% 1322
2023
Q2 		$3.61M Buy
+405,073
New +$3.81M 0.01% 1159
2021
Q4 		– Sell
-588,684
Closed -$5.72M – 4238
2021
Q3 		$5.72M Hold
588,684
– – 0.02% 866
2021
Q2 		$5.73M Buy
+588,684
New +$5.75M 0.03% 774

Other funds holding RUM

CF
Cantor Fitzgerald New York $9.31B AUM 73.66% 1-Year Est. Return
CCPM
Cooper Creek Partners Management New York $4.21B AUM 44.81% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 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
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Charles Schwab
Charles Schwab San Francisco, California $751B AUM 38.74% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return

Marshall Wace's RUM Position: Q2 2026 in Review

Marshall Wace reduced its RUM Group Inc (RUM) stake by 85% in Q2 2026, selling an estimated $2.52M and leaving 61,975 shares worth $393K. The position accounts for ﹤0.01% of the portfolio, ranked #2609.

Marshall Wace first reported a position in RUM in Q2 2021 and has held it in 11 quarters since. The position peaked at $5.73M in Q2 2021. 227 funds tracked by Wall St. Rank hold RUM as of Q2 2026.

  • Marshall Wace held 61,975 shares of RUM Group Inc worth $393K as of Q2 2026.
  • Marshall Wace sold 355,249 RUM Group Inc shares in Q2 2026, an estimated $2.52M.
  • RUM Group Inc made up ﹤0.01% of Marshall Wace's portfolio in Q2 2026, its #2609 holding.
  • Marshall Wace first reported a position in RUM Group Inc in Q2 2021 and has held it in 11 quarters since.
  • Marshall Wace's RUM Group Inc position peaked at $5.73M in Q2 2021.
  • 227 funds tracked by Wall St. Rank held RUM Group Inc as of Q2 2026.

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