Public ownership evidence

MDU Resources Group, Inc. (MDU) Ownership Disclosures

Read MDU insider transactions, institutional 13F filings and Congressional disclosures with report dates, public availability and original receipts.

As of 2026-10-10T12:08:28.848Z

Recent Form 4 activity

2026-10-012026-09-30DURKIN MARIAN MA172Not reported
2026-10-012026-09-30Dosch Vernon A.A1,462Not reported

90-day public availability window, up to 50 records.

Recent institutional filing receipts

These are raw ticker-matched positions in recent 13F receipts, including amendments. They are not deduplicated current ownership totals. Open the manager profile to inspect its effective filing book.

Advisors Asset Management, Inc.2021-12-312026-08-2899,166$3,058,279None
Advisors Asset Management, Inc.2022-12-312026-08-2863,976$1,941,032None
Advisors Asset Management, Inc.2020-06-302026-08-2839,472$875,489None
Advisors Asset Management, Inc.2022-06-302026-08-2893,391$2,521,000None
Advisors Asset Management, Inc.2021-09-302026-08-2896,163$2,853,000None
Corient Private Wealth LP2026-06-302026-08-2868,062$1,443,636None
Redwood Investment Management, LLC2024-12-312026-08-2825,781$465,000None
Advisors Asset Management, Inc.2024-03-312026-08-27205,763$5,185,228None
Advisors Asset Management, Inc.2025-03-312026-08-27189,510$3,204,614None
Advisors Asset Management, Inc.2022-09-302026-08-2794,629$2,588,000None
Advisors Asset Management, Inc.2020-12-312026-08-2764,762$1,706,000None
Advisors Asset Management, Inc.2022-03-312026-08-27101,689$2,710,012None
Advisors Asset Management, Inc.2023-06-302026-08-2773,147$1,531,698None
Advisors Asset Management, Inc.2023-09-302026-08-2782,141$1,608,321None
Advisors Asset Management, Inc.2023-03-312026-08-2773,762$2,248,266None
Advisors Asset Management, Inc.2021-03-312026-08-2777,261$2,442,220None
Advisors Asset Management, Inc.2021-06-302026-08-2794,315$2,956,000None
Advisors Asset Management, Inc.2020-09-302026-08-2742,780$962,550None
Advisors Asset Management, Inc.2025-09-302026-08-27225,410$4,014,552None
Advisors Asset Management, Inc.2023-12-312026-08-27170,904$3,383,899None
Dakota Wealth Management2025-09-302026-08-2763,109$1,132,302None
Dakota Wealth Management2025-12-312026-08-2768,335$1,342,670None
Dakota Wealth Management2026-03-312026-08-2767,576$1,409,203None
Advisors Asset Management, Inc.2019-12-312026-08-2678,456$2,330,928None
VIRGINIA RETIREMENT SYSTEMS ET Al2026-03-312026-08-26100,801$2,088,597None
Advisors Asset Management, Inc.2025-06-302026-08-25213,685$3,562,129None
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM2026-06-302026-08-25224,054$4,752,185None
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM2026-06-302026-08-254,752,185$224,054,000None
Advisors Asset Management, Inc.2024-09-302026-08-22233,732$6,406,594None
Advisors Asset Management, Inc.2024-06-302026-08-22227,567$5,711,932None
Advisors Asset Management, Inc.2024-12-312026-08-22278,319$5,015,308None
Advisors Asset Management, Inc.2025-12-312026-08-22255,474$4,986,852None
Advisors Asset Management, Inc.2020-03-312026-08-2252,400$1,126,600None
Bullock Wealth Management Group2026-06-302026-08-20443$9,169None
Archer Investment Corp2026-06-302026-08-20270$5,727None
MERCER GLOBAL ADVISORS INC /ADV2026-06-302026-08-2031,048$658,532None
Copia Wealth Management2026-06-302026-08-19260$5,515None
Advisors Asset Management, Inc.2019-03-312026-08-1983,721$2,162,513None
Advisors Asset Management, Inc.2019-09-302026-08-1993,522$2,636,385None
Advisors Asset Management, Inc.2019-06-302026-08-19102,027$2,632,297None
Leo H. Evart, Inc.2026-06-302026-08-191,012$21,465None
Ensign Peak Advisors, Inc2026-03-312026-08-1912,732$263,807None
Ensign Peak Advisors, Inc2025-12-312026-08-1912,732$248,529None
Ensign Peak Advisors, Inc2025-09-302026-08-1927,882$496,578None
Caitlin John, LLC2026-06-302026-08-182,120$44,965None
Caitlin John, LLC2026-06-302026-08-187,877$167,071None
Corient Private Wealth LP2026-06-302026-08-1866,771$1,416,257None
Transamerica Financial Advisors, LLC2026-06-302026-08-18102$2,177None
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO2026-06-302026-08-18199,679$4,235,192None
Wellington Grp LLC2026-06-302026-08-151,538$31,867None

90-day public filing window, up to 50 source positions.

Recent Congressional disclosures

No matching Congressional transactions were returned in this source preview.

No records are available for this view.

Bounded public source preview, up to 25 disclosed events.

How to read the disclosure dates

The tables report different things: insider transactions, institutional positions and Congressional transaction ranges. Read each table with its source dates and units. They cannot be added into a combined ownership percentage.

  1. Company insiders

    SEC Form 4 purchases, sales and awards report transactions and their public filing availability.

  2. Institutional managers

    13F reports disclose delayed quarter-end positions. They are not a record of trades between quarters.

  3. Congressional filers

    Periodic transaction reports disclose transaction dates and amount brackets. Public filing dates determine what researchers could know.

Read the transaction codes

Awards use transaction code A, purchases P and sales S. An acquisition from an award is not the same as an open-market purchase. Joint filers may share a transaction. Use original receipts and availability dates to interpret the events.