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Of the 14 tracked institutions holding MDU, 6 have a 3-year clone track record — 5 of them beat the S&P. Average holder's clone alpha: +3.7pt. It's a gauge of who owns the name, not just how many.
Among the 14 tracked institutional investors we monitor, MDU (MDU RES GROUP INC) is held with a combined value of $1.31B across 63,532,766 shares. The largest holder is BlackRock, Inc. with a position worth $580.13M. Magnetar Financial LLC opened a new position in the most recent quarter. 11 funds increased their holdings. 2 funds reduced their position.
Total Institutional Value
$1.31B
Total Shares Held
63,532,766
Institutional Holders
14
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | BlackRock, Inc. | $580.13M | 0.01% | +6.4% |
| 2 | VANGUARD GROUP INC | $465.13M | 0.01% | +2.5% |
| 3 | STATE STREET CORP | $157.44M | 0.00% | +5.5% |
| 4 | CITADEL ADVISORS LLC | $40.50M | 0.02% | +74.4% |
| 5 | RENAISSANCE TECHNOLOGIES LLC | $20.30M | 0.03% | +2.9% |
| 6 | Gotham Asset Management, LLC | $15.41M | 0.04% | +44.2% |
| 7 | MILLENNIUM MANAGEMENT LLC | $13.25M | 0.01% | +87.1% |
| 8 | AQR CAPITAL MANAGEMENT LLC | $4.99M | 0.00% | +45.3% |
| 9 | PRICE T ROWE ASSOCIATES INC /MD/ | $4.37M | 0.00% | +10.3% |
| 10 | WELLINGTON MANAGEMENT GROUP LLP | $2.00M | 0.00% | +45.7% |
| Member | Type | Date |
|---|---|---|
| John Hoeven | Sell | Nov 23, 2016 |
| John Hoeven | Buy | Mar 20, 2015 |
As of the latest SEC 13F filings, BlackRock, Inc. is the largest institutional holder of MDU with a position worth $580.13M, representing 0.01% of their portfolio. In total, 14 institutional investors hold MDU with a combined value of $1.31B.
In the most recent quarter, 1 fund opened a new position in MDU. Additionally, 11 increased their holdings and 2 reduced their positions.
Institutional investors hold $1.31B worth of MDU stock across 14 positions. The largest institutional holder is BlackRock, Inc. with $580.13M in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For MDU, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their MDU positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
| 2026-08-12 |
SEC Schedule 13D (activist) and 13G (passive) filings for MDU. Filed when an investor acquires 5%+ ownership.
Last Close
$19.00
2026-10-16
YTD
-4.4%
14% of 52-week range
