Jason L Vollmer, the CFO of $MDU, bought 5,000 shares of the company on 08-19-2025 for an estimated $81,375. This trade was reported by Quiver Quantitative using data from a recent SEC filing. This increased their holdings of this class of stock by approximately 1.5%. Following this trade, they now own 339,548 shares of this class of $MDU stock.
$MDU Insider Trading Activity
$MDU insiders have traded $MDU stock on the open market 1 times in the past 6 months. Of those trades, 1 have been purchases and 0 have been sales.
Here’s a breakdown of recent trading of $MDU stock by insiders over the last 6 months:
- JASON L VOLLMER (CFO) purchased 5,000 shares for an estimated $81,375
To track insider transactions, check out Quiver Quantitative's insider trading dashboard.
$MDU Hedge Fund Activity
We have seen 195 institutional investors add shares of $MDU stock to their portfolio, and 219 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- FIRST TRUST ADVISORS LP removed 3,341,042 shares (-95.2%) from their portfolio in Q2 2025, for an estimated $55,695,170
- CORVEX MANAGEMENT LP removed 1,688,607 shares (-28.8%) from their portfolio in Q2 2025, for an estimated $28,149,078
- DEROY & DEVEREAUX PRIVATE INVESTMENT COUNSEL INC added 1,565,582 shares (+inf%) to their portfolio in Q2 2025, for an estimated $26,098,251
- RIVER ROAD ASSET MANAGEMENT, LLC added 1,513,343 shares (+inf%) to their portfolio in Q2 2025, for an estimated $25,227,427
- HOOD RIVER CAPITAL MANAGEMENT LLC removed 1,123,736 shares (-100.0%) from their portfolio in Q2 2025, for an estimated $18,732,679
- DIMENSIONAL FUND ADVISORS LP added 973,958 shares (+11.5%) to their portfolio in Q2 2025, for an estimated $16,235,879
- JUPITER ASSET MANAGEMENT LTD removed 967,678 shares (-100.0%) from their portfolio in Q2 2025, for an estimated $16,131,192
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard.
This article is not financial advice. See Quiver Quantitative's disclaimers for more information.
