Mariner
RUM icon

Mariner’s RUM Group Inc RUM Stock Holding History

Mariner’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 		$204K Buy
32,199
+12,176
+61% +$86.5K ﹤0.01% 3141
2026
Q1 		$102K Buy
20,023
+5,785
+41% +$33.2K ﹤0.01% 3323
2025
Q4 		$90K Buy
14,238
+764
+6% +$5.24K ﹤0.01% 3342
2025
Q3 		$97.6K Buy
13,474
+705
+6% +$5.76K ﹤0.01% 3365
2025
Q2 		$115K Sell
12,769
-800
-6% -$6.84K ﹤0.01% 3214
2025
Q1 		$95.9K Buy
13,569
+367
+3% +$3.83K ﹤0.01% 3195
2024
Q4 		$172K Buy
13,202
+120
+0.9% +$854 ﹤0.01% 3059
2024
Q3 		$70.1K Hold
13,082
– – ﹤0.01% 3147
2024
Q2 		$72.6K Sell
13,082
-700
-5% -$4.51K ﹤0.01% 3005
2024
Q1 		$111K Buy
13,782
+2,450
+22% +$15.8K ﹤0.01% 2910
2023
Q4 		$50.9K Buy
+11,332
New +$55.3K ﹤0.01% 2936

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

Mariner's RUM Position: Q2 2026 in Review

Mariner increased its RUM Group Inc (RUM) stake by 61% in Q2 2026, buying an estimated $86.5K and bringing the position to 32,199 shares worth $204K. The position accounts for ﹤0.01% of the portfolio, ranked #3141.

Mariner first reported a position in RUM in Q4 2023 and has held it in 11 quarters since. 228 funds tracked by Wall St. Rank hold RUM as of Q2 2026.

  • Mariner held 32,199 shares of RUM Group Inc worth $204K as of Q2 2026.
  • Mariner bought 12,176 RUM Group Inc shares in Q2 2026, an estimated $86.5K.
  • RUM Group Inc made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #3141 holding.
  • Mariner first reported a position in RUM Group Inc in Q4 2023 and has held it in 11 quarters since.
  • 228 funds tracked by Wall St. Rank held RUM Group Inc as of Q2 2026.

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