Mariner
MDU icon

Mariner’s MDU Resources MDU Stock Holding History

Mariner’s Portfolio MDU Stock Details MDU Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-11,768
Closed -$229K – 3719
2025
Q4 		$229K Buy
+11,768
New +$232K ﹤0.01% 3070
2025
Q3 		– Sell
-18,047
Closed -$301K – 3683
2025
Q2 		$301K Sell
18,047
-2,307
-11% -$38.8K ﹤0.01% 2723
2025
Q1 		$344K Sell
20,354
-1,316
-6% -$22.7K ﹤0.01% 2498
2024
Q4 		$390K Sell
21,670
-2,109
-9% -$37K ﹤0.01% 2386
2024
Q3 		$361K Buy
23,779
+1,592
+7% +$22.7K ﹤0.01% 2416
2024
Q2 		$309K Sell
22,187
-3,670
-14% -$50.7K ﹤0.01% 2432
2024
Q1 		$361K Sell
25,857
-3,243
-11% -$37.5K ﹤0.01% 2294
2023
Q4 		$319K Sell
29,100
-3,841
-12% -$40.5K ﹤0.01% 2277
2023
Q3 		$357K Buy
32,941
+1,514
+5% +$17.4K ﹤0.01% 2003
2023
Q2 		$365K Sell
31,427
-8,174
-21% -$91.9K ﹤0.01% 1971
2023
Q1 		$459K Buy
39,601
+2,288
+6% +$26.6K ﹤0.01% 1760
2022
Q4 		$430K Sell
37,313
-1,412
-4% -$15.9K ﹤0.01% 1752
2022
Q3 		$403K Buy
38,725
+2,346
+6% +$25.9K ﹤0.01% 1556
2022
Q2 		$373K Buy
36,379
+7,271
+25% +$73.9K ﹤0.01% 1223
2022
Q1 		$295K Buy
+29,108
New +$308K ﹤0.01% 1287
2021
Q4 		– Sell
-36,616
Closed -$413K – 1172
2021
Q3 		$413K Buy
+36,616
New +$438K ﹤0.01% 883
2019
Q1 		– Sell
-25,941
Closed -$235K – 1048
2018
Q4 		$235K Buy
+25,941
New +$253K ﹤0.01% 735
2018
Q3 		– Sell
-18,309
Closed -$200K – 826
2018
Q2 		$200K Buy
+18,309
New +$195K 0.01% 754

Other funds holding MDU

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $33B AUM 40.62% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
EARNEST Partners
EARNEST Partners Atlanta, Georgia $27.7B AUM 52.44% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
SEI Investments
SEI Investments Oaks, Pennsylvania $113B AUM 34.64% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Mariner's MDU Position: Q1 2026 in Review

Mariner sold out of MDU Resources (MDU) in Q1 2026, closing a stake of 11,768 shares — an estimated $229K sold.

Mariner first reported a position in MDU in Q2 2018 and held it in 18 quarters. The position peaked at $459K in Q1 2023. 421 funds tracked by Wall St. Rank hold MDU as of Q1 2026.

  • Mariner reported no remaining MDU Resources position as of Q1 2026 after selling out during the quarter.
  • Mariner sold 11,768 MDU Resources shares in Q1 2026, an estimated $229K.
  • Mariner first reported a position in MDU Resources in Q2 2018 and held it in 18 quarters.
  • Mariner's MDU Resources position peaked at $459K in Q1 2023.
  • 421 funds tracked by Wall St. Rank held MDU Resources as of Q1 2026.

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