Average buy price is hidden here because at least one covered purchase quarter has no usable local mean price.
| Quarter | Action | Shares change | Est. value change | Δ Own | Shares held | Filing date |
|---|---|---|---|---|---|---|
| Q3 2025 | Exited | −959K | – | −100.0% | 0 | Nov 13, 2025 |
| Q2 2025 | New | +959K | – | – | 959K | Aug 13, 2025 |
Not currently. Jeremy Grantham fully exited MAG in Q3 2025, and the complete history is above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.
Jeremy Grantham first disclosed a MAG 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.
Yes. Jeremy Grantham reduced and then fully exited MAG by Q3 2025; the reductions are in the table above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.
None as of the latest filing: Jeremy Grantham has exited MAG. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.
Jeremy Grantham began building the MAG 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.
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.
