Save your place

Sign in to WhoBought

Please try again later.

Jeremy Grantham's MDU Resources Group, Inc. (MDU) position

Not anymore: Jeremy Grantham fully exited MDU in Q3 2025. The position peaked at an amount we cannot price in Q2 2025.
View full portfolio →
Value at exit
an amount we cannot price
Shares at exit
11K
Quarter-end price
No quarter-end price available

Average buy price is hidden here because at least one covered purchase quarter has no usable local mean price.

MDU price vs Grantham's position

Dates
$20.8$21$21.2$21.4← Earlier —1 purchase
Average closing price · filing quarter
Price range · filing quarter

Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q3 2025 Exited −11K −100.0% 0 Nov 13, 2025
Q2 2025 New +11K 11K Aug 13, 2025
Data through Q3 2025 · filed Nov 13, 2025
2 grouped rows from 2 quarters

More Grantham positions

Common questions

Does Jeremy Grantham own MDU?

Not currently. Jeremy Grantham fully exited MDU in Q3 2025, and the complete history is above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Jeremy Grantham buy MDU?

Jeremy Grantham first disclosed a MDU position in Q2 2025; every quarterly buy and sell since is in the table above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

Did Jeremy Grantham sell MDU?

Yes. Jeremy Grantham reduced and then fully exited MDU by Q3 2025; the reductions are in the table above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How many shares of MDU does Jeremy Grantham own?

None as of the latest filing: Jeremy Grantham has exited MDU. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

What price did Jeremy Grantham pay for MDU?

Jeremy Grantham began building the MDU position before our 13F history starts, so an exact average buy price cannot be estimated without understating it. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How are the estimated trade prices calculated?

13F filings disclose quarter-end holdings, not trade dates or execution prices. These estimates use each covered quarter's average market price; the add average excludes the opening position and quarters without price data. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.