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Jeremy Grantham's AAON, Inc. (AAON) position

Yes: as of Q1 2026, Jeremy Grantham holds 390K shares of AAON worth an amount we cannot price (0.1% of the disclosed portfolio). Last quarter the position was increased by 15.6%. First disclosed Q3 2022.
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Current value
an amount we cannot price
Shares held
390K
% of portfolio
0.1%
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.

AAON price vs Grantham's position

Dates
$100$105$110$115← Earlier —11 purchases, 3 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 Added +53K +15.6% 390K May 14, 2026
Q4 2025 Reduced −292K −46.4% 338K Feb 17, 2026
Q3 2025 Added +6K +0.9% 630K Nov 13, 2025
Q2 2025 Added +263K +73.1% 624K Aug 13, 2025
Q1 2025 Added +147K +68.5% 360K May 14, 2025
Q4 2024 Reduced −184K −46.2% 214K Feb 13, 2025
Q3 2024 Reduced −73K −15.6% 397K Nov 13, 2024
Q2 2024 Added +21K +4.6% 471K Aug 13, 2024
Q1 2024 Added +198K +78.7% 450K May 14, 2024
Q4 2023 Added +73K +40.6% 252K Feb 13, 2024
Q3 2023 Added +86K +91.8% 179K Nov 13, 2023
Q2 2023 Unchanged 93K Aug 14, 2023
Q1 2023 Added +43K +85.2% 93K May 12, 2023
Q4 2022 Added +7K +15.5% 50K Feb 13, 2023
Q3 2022 New +44K 44K Nov 10, 2022
Data through Q1 2026 · filed May 14, 2026
15 grouped rows from 15 quarters

More Grantham positions

Common questions

Does Jeremy Grantham own AAON?

Yes. As of Q1 2026, Jeremy Grantham disclosed 390K shares of AAON, 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 AAON?

Jeremy Grantham first disclosed a AAON position in Q3 2022; 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 AAON?

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

How many shares of AAON does Jeremy Grantham own?

Jeremy Grantham disclosed 390K shares of AAON 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 AAON?

Jeremy Grantham began building the AAON 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.