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Jeremy Grantham's MGIC Investment Corporation (MTG) position

Yes: as of Q1 2026, Jeremy Grantham holds 272K shares of MTG worth an amount we cannot price (0.0% of the disclosed portfolio). Held since at least Q1 2021; that opening coverage snapshot is not counted as a purchase.
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Current value
an amount we cannot price
Shares held
272K
% of portfolio
0.0%
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.

MTG price vs Grantham's position

Dates
$28$28.5$29$29.5← Earlier —8 purchases, 9 sells
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
Q1 2026 Reduced −147K −35.1% 272K May 14, 2026
Q4 2025 Reduced −150K −26.4% 419K Feb 17, 2026
Q3 2025 Reduced −77K −12.0% 568K Nov 13, 2025
Q2 2025 Reduced −21K −3.1% 646K Aug 13, 2025
Q1 2025 Added +180K +36.9% 667K May 14, 2025
Q4 2024 Reduced −19K −3.7% 487K Feb 13, 2025
Q3 2024 Reduced −93K −15.6% 506K Nov 13, 2024
Q2 2024 Reduced −3K −0.6% 599K Aug 13, 2024
Q1 2024 Reduced −27K −4.3% 602K May 14, 2024
Q4 2023 Added +214K +51.5% 629K Feb 13, 2024
Q3 2023 Added +68K +19.6% 415K Nov 13, 2023
Q2 2023 Added +280K +418.2% 347K Aug 14, 2023
Q1 2023 Reduced −102K −60.4% 67K May 12, 2023
Q4 2022 Added +86K +101.9% 169K Feb 13, 2023
Q3 2022 Added +58K +226.5% 84K Nov 10, 2022
Q2 2022 New +26K 26K Aug 12, 2022
Q4 2021 New +12K 12K Feb 11, 2022
Q1 2021 First covered 61K May 13, 2021
Data through Q1 2026 · filed May 14, 2026
18 grouped rows from 18 quarters

More Grantham positions

Common questions

Does Jeremy Grantham own MTG?

Yes. As of Q1 2026, Jeremy Grantham disclosed 272K shares of MTG, worth an amount we cannot price. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Jeremy Grantham buy MTG?

Jeremy Grantham held MTG since at least Q1 2021, when this filing coverage begins; the opening snapshot is not a disclosed purchase. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

Did Jeremy Grantham sell MTG?

The quarter-by-quarter table above shows each sale and reduction Jeremy Grantham disclosed in MTG. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How many shares of MTG does Jeremy Grantham own?

Jeremy Grantham disclosed 272K shares of MTG as of Q1 2026. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

What price did Jeremy Grantham pay for MTG?

Jeremy Grantham began building the MTG 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.