Jane Street
RUM icon

Jane Street’s RUM Group Inc RUM Stock Holding History

Jane Street’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
Q1 		$214K Sell
41,900
-157,000
-79% -$902K ﹤0.01% 9993
2025
Q4 		$1.26M Sell
198,900
-21,100
-10% -$145K ﹤0.01% 5681
2025
Q3 		$1.59M Buy
220,000
+55,800
+34% +$456K ﹤0.01% 5361
2025
Q2 		$1.47M Sell
164,200
-197,300
-55% -$1.69M ﹤0.01% 4928
2025
Q1 		$2.56M Sell
361,500
-58,800
-14% -$613K ﹤0.01% 3968
2024
Q4 		$5.47M Buy
420,300
+379,100
+920% +$2.7M ﹤0.01% 2545
2024
Q3 		$221K Buy
41,200
+9,900
+32% +$58.3K ﹤0.01% 8512
2024
Q2 		$174K Sell
31,300
-109,700
-78% -$707K ﹤0.01% 8494
2024
Q1 		$1.14M Buy
141,000
+106,800
+312% +$689K ﹤0.01% 5162
2023
Q4 		$154K Sell
34,200
-177,300
-84% -$865K ﹤0.01% 8383
2023
Q3 		$1.08M Buy
211,500
+184,100
+672% +$1.38M ﹤0.01% 5069
2023
Q2 		$244K Buy
27,400
+11,700
+75% +$110K ﹤0.01% 7418
2023
Q1 		$157K Sell
15,700
-76,900
-83% -$693K ﹤0.01% 7988
2022
Q4 		$551K Buy
92,600
+72,100
+352% +$691K ﹤0.01% 5953
2022
Q3 		$251K Buy
20,500
+4,900
+31% +$53.7K ﹤0.01% 7845
2022
Q2 		$156K Sell
15,600
-97,100
-86% -$1.06M ﹤0.01% 8387
2022
Q1 		$1.34M Buy
+112,700
New +$1.4M ﹤0.01% 5518

Other funds holding RUM

CF
Cantor Fitzgerald New York $6.78B AUM 29.01% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
CCPM
Cooper Creek Partners Management New York $2.92B AUM 30.49% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Jane Street's RUM Position: Q1 2026 in Review

Jane Street increased its RUM Group Inc (RUM) stake by 216% in Q1 2026, buying an estimated $1.69M and bringing the position to 431,634 shares worth $2.2M. The position accounts for ﹤0.01% of the portfolio, ranked #4899.

Jane Street first reported a position in RUM in Q4 2021 and has held it in 13 quarters since. The position peaked at $3.3M in Q3 2025. 204 funds tracked by Wall St. Rank hold RUM as of Q1 2026.

  • Jane Street held 431,634 shares of RUM Group Inc worth $2.2M as of Q1 2026.
  • Jane Street bought 295,023 RUM Group Inc shares in Q1 2026, an estimated $1.69M.
  • RUM Group Inc made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #4899 holding.
  • Jane Street first reported a position in RUM Group Inc in Q4 2021 and has held it in 13 quarters since.
  • Jane Street's RUM Group Inc position peaked at $3.3M in Q3 2025.
  • 204 funds tracked by Wall St. Rank held RUM Group Inc as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.