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 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

Cantor Fitzgerald New York $6.78B AUM 29.01% 1-Year Est. Return

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 Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Mariner's RUM Position: Q1 2026 in Review

Mariner increased its RUM Group Inc (RUM) stake by 41% in Q1 2026, buying an estimated $33.2K and bringing the position to 20,023 shares worth $102K. The position accounts for ﹤0.01% of the portfolio, ranked #3323.

Mariner first reported a position in RUM in Q4 2023 and has held it in 10 quarters since. The position peaked at $172K in Q4 2024. 204 funds tracked by Wall St. Rank hold RUM as of Q1 2026.

Mariner held 20,023 shares of RUM Group Inc worth $102K as of Q1 2026.
Mariner bought 5,785 RUM Group Inc shares in Q1 2026, an estimated $33.2K.
RUM Group Inc made up ﹤0.01% of Mariner's portfolio in Q1 2026, its #3323 holding.
Mariner first reported a position in RUM Group Inc in Q4 2023 and has held it in 10 quarters since.
Mariner's RUM Group Inc position peaked at $172K in Q4 2024.
204 funds tracked by Wall St. Rank held RUM Group Inc as of Q1 2026.

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