Latest Period
Q1 2026
Security Snapshot
MDU RESOURCES GROUP INC - Common Stock (MDU) Institutional Ownership
CUSIP: 552690109
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
418
Shares (Excl. Options)
191,523,766
Price
$20.72
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- Security type / class
- Equity / Common Stock
- Symbol
- MDU on NYSE
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 191,523,766
- Total 13F value
- $3,969,697,582
- Portfolio coverage rank
- 0%
- Share change
- -1,672,010
- Value change
- -$26,710,904
- Number of holders
- 418
- Shares outstanding
- 204,764,390
- SEC-reported price per share
- $22.80
- Insider filing price
- $22.80
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- MDU - MDU RESOURCES GROUP INC - Common Stock is tracked under CUSIP 552690109.
- 418 institutions reported positions in Q1 2026.
- 4 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 413 to 418 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $3,801,988,144 to $3,969,697,582.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 418 institutions filings for Q1 2026.
Security key
552690109
Latest holder period
Q1 2026
13F holders
418
13D/G owners
4
CIK / CUSIP context first
Open Q1 2026 holders
MDU full holder history
MDU RESOURCES GROUP INC SEC filings
MDU RESOURCES GROUP INC company facts
MDU RESOURCES GROUP INC insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 552690109:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
4
Security
MDU
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BARROW HANLEY MEWHINNEY & STRAUSS LLC | 6.7% | +12% | $298,458,022 | +$18,766,665 | 13,760,167 | +6.7% | BARROW HANLEY MEWHINNEY & STRAUSS LLC | 31 Mar 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 6.1% | $260,069,732 | 12,551,628 | Vanguard Portfolio Management | 31 Mar 2026 | |||
| VANGUARD CAPITAL MANAGEMENT LLC | 5.3% | $223,127,443 | 10,768,699 | Vanguard Capital Management | 31 Mar 2026 | |||
| DIMENSIONAL FUND ADVISORS LP | 5% | $213,120,678 | 10,285,747 | Dimensional Fund Advisors LP | 31 Mar 2026 |
As of 31 Mar 2026, 418 institutional investors reported holding 191,523,766 shares of MDU RESOURCES GROUP INC - Common Stock (MDU). This represents 94% of the company’s total 204,764,390 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
68%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 13% | 25,712,048 | -2% | 0.01% | $532,753,628 |
| BARROW HANLEY MEWHINNEY & STRAUSS LLC | 6.7% | 13,760,167 | +6.7% | 0.93% | $285,110,660 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 6.1% | 12,526,974 | 0% | 0.01% | $259,558,901 |
| DIMENSIONAL FUND ADVISORS LP | 5% | 10,285,747 | +2.5% | 0.04% | $213,119,983 |
| EARNEST PARTNERS LLC | 4.8% | 9,881,880 | -0.65% | 0.84% | $204,752,554 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.5% | 9,147,886 | 0% | 0% | $189,544,198 |
| STATE STREET CORP | 3.4% | 6,990,274 | -1.8% | 0.01% | $145,817,917 |
| BANK OF AMERICA CORP /DE/ | 3% | 6,202,460 | +1.6% | 0.01% | $128,514,967 |
| SEI INVESTMENTS CO | 2.6% | 5,261,426 | -1.2% | 0.1% | $109,016,836 |
| MORGAN STANLEY | 2.1% | 4,221,525 | +5.2% | 0.01% | $87,470,034 |
| River Road Asset Management, LLC | 2% | 4,077,251 | -13% | 0.96% | $84,480,641 |
| WESTWOOD HOLDINGS GROUP INC | 1.7% | 3,542,046 | +102% | 0.53% | $73,391,193 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.7% | 3,491,440 | +2.2% | 0% | $72,369,288 |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 1.3% | 2,596,001 | -14% | 0.09% | $53,789,000 |
| VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. | 1.2% | 2,531,705 | 0.53% | $52,456,927 | |
| FRONTIER CAPITAL MANAGEMENT CO LLC | 1.2% | 2,506,549 | -4.2% | 0.53% | $51,935,695 |
| Bank of New York Mellon Corp | 1.2% | 2,363,835 | -3.2% | 0.01% | $48,978,658 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.1% | 2,264,562 | +2.6% | 0.01% | $46,921,725 |
| T. Rowe Price Investment Management, Inc. | 1.1% | 2,158,544 | -6.2% | 0.03% | $44,726,000 |
| Invesco Ltd. | 0.92% | 1,881,002 | -3.2% | 0.01% | $38,974,361 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.88% | 1,801,678 | +12% | 0.05% | $37,330,465 |
| UBS Group AG | 0.83% | 1,707,254 | +9.2% | 0.01% | $35,374,302 |
| NATIXIS ADVISORS, LLC | 0.83% | 1,691,938 | +50% | 0.05% | $35,057,000 |
| US BANCORP \DE\ | 0.83% | 1,691,882 | -0.38% | 0.04% | $35,055,795 |
| DEROY & DEVEREAUX PRIVATE INVESTMENT COUNSEL INC | 0.76% | 1,553,740 | -0.14% | 1.5% | $32,193,000 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
49
Latest
Q1 2026
Rows shown
1-25 of 49
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 191,523,766 | $3,969,697,582 | -$26,710,904 | $20.72 | 418 |
| 2025 Q4 | 194,683,391 | $3,801,988,144 | +$515,277,122 | $19.52 | 413 |
| 2025 Q3 | 165,990,238 | $2,956,758,704 | +$81,993,101 | $17.81 | 404 |
| 2025 Q2 | 162,117,933 | $2,704,883,733 | -$19,511,924 | $16.67 | 404 |
| 2025 Q1 | 163,744,536 | $2,769,428,072 | +$4,532,303 | $16.91 | 400 |
| 2024 Q4 | 163,213,856 | $2,942,177,351 | +$118,610,841 | $18.02 | 395 |
| 2024 Q3 | 152,425,819 | $4,180,445,518 | +$6,322,629 | $27.41 | 398 |
| 2024 Q2 | 152,299,479 | $3,823,579,619 | +$26,368,523 | $25.10 | 383 |
| 2024 Q1 | 149,624,479 | $3,774,963,549 | +$135,241,820 | $25.20 | 389 |
| 2023 Q4 | 145,393,934 | $2,879,552,712 | +$23,799,514 | $19.80 | 372 |
| 2023 Q3 | 143,521,909 | $2,810,894,922 | -$71,801,947 | $19.58 | 372 |
| 2023 Q2 | 146,519,867 | $3,071,448,479 | +$885,615 | $20.94 | 374 |
| 2023 Q1 | 144,441,835 | $4,406,029,653 | -$21,362,810 | $30.48 | 408 |
| 2022 Q4 | 145,494,372 | $4,417,925,939 | -$19,580,439 | $30.34 | 399 |
| 2022 Q3 | 146,154,779 | $4,001,473,265 | +$40,868,015 | $27.35 | 368 |
| 2022 Q2 | 144,588,365 | $3,906,591,138 | +$154,667,056 | $26.99 | 383 |
| 2022 Q1 | 139,873,267 | $3,731,079,544 | -$101,473,926 | $26.65 | 404 |
| 2021 Q4 | 142,837,618 | $4,407,527,980 | +$33,881,912 | $30.84 | 397 |
| 2021 Q3 | 141,330,017 | $4,197,223,419 | +$41,667,163 | $29.67 | 385 |
| 2021 Q2 | 140,050,638 | $4,391,494,618 | +$29,118,654 | $31.34 | 386 |
| 2021 Q1 | 138,886,631 | $4,391,474,973 | +$20,980,232 | $31.61 | 390 |
| 2020 Q4 | 138,357,014 | $3,646,432,601 | -$40,475,587 | $26.34 | 368 |
| 2020 Q3 | 140,284,736 | $3,158,722,389 | +$66,297,854 | $22.50 | 341 |
| 2020 Q2 | 138,331,177 | $3,069,815,091 | -$25,161,596 | $22.18 | 325 |
| 2020 Q1 | 139,589,651 | $3,003,632,489 | +$27,780,712 | $21.50 | 341 |