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Jeremy Grantham's Regeneron Pharmaceuticals, Inc. (REGN) position

Yes: as of Q1 2026, Jeremy Grantham holds 55K shares of REGN worth $43M (0.1% 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
$43M
Shares held
55K
% of portfolio
0.1%
Est. average buy price (i)
$666.03
est. since Q1 2021
Quarter-end price
$768.97

Estimated trade prices

Average price in quarters with purchases
$720.64
Average prices in quarters with sales
  • Q1 2026: $765.64 (1K shares sold)
  • Q4 2025: $679.43 (5K shares sold)
  • Q3 2025: $565.41 (4K shares sold)
  • Q2 2025: $558.13 (18K shares sold)
  • Q3 2024: $1,112.86 (5K shares sold)
  • Q2 2024: $969.40 (596 shares sold)
  • Q1 2024: $950.88 (9K shares sold)
  • Q2 2023: $771.00 (14K shares sold)
  • Q1 2023: $754.21 (4K shares sold)
  • Q3 2022: $629.39 (2K shares sold)
  • Q4 2021: $614.83 (2K shares sold)

REGN price vs Grantham's position

1Y 3Y 5Y MAX
Dates
$400$1,000$1,50020222023202420252026Added 800 shares (1.6%) · Q3 2021. Average closing price $620.82 · Price range $574.03–$680.96800sharespurchasedSold 2K shares (3.9%) · Q4 2021. Average closing price $614.83 · Price range $543.48–$670.972KsharessoldAdded 500 shares (1.1%) · Q1 2022. Average closing price $632.65 · Price range $595.12–$698.43500sharespurchasedAdded 8K shares (17.7%) · Q2 2022. Average closing price $650.01 · Price range $548.35–$738.848KsharespurchasedSold 2K shares (4.3%) · Q3 2022. Average closing price $629.39 · Price range $573.97–$724.322KsharessoldAdded 17K shares (31.7%) · Q4 2022. Average closing price $737.86 · Price range $705.89–$766.3917KsharespurchasedSold 4K shares (5.6%) · Q1 2023. Average closing price $754.21 · Price range $680.49–$826.974KsharessoldSold 14K shares (21.2%) · Q2 2023. Average closing price $771.00 · Price range $700.03–$830.3514KsharessoldAdded 5K shares (9.5%) · Q3 2023. Average closing price $785.91 · Price range $692.45–$844.375KsharespurchasedAdded 9K shares (15.8%) · Q4 2023. Average closing price $823.50 · Price range $775.18–$881.709KsharespurchasedSold 9K shares (13.8%) · Q1 2024. Average closing price $950.88 · Price range $902.69–$993.359KsharessoldSold 596 shares (1.0%) · Q2 2024. Average closing price $969.40 · Price range $883.20–$1,071.19596sharessoldSold 5K shares (9.2%) · Q3 2024. Average closing price $1,112.86 · Price range $1,024.09–$1,201.765KsharessoldAdded 11K shares (21.1%) · Q4 2024. Average closing price $839.22 · Price range $701.85–$1,046.9111KsharespurchasedAdded 20K shares (32.3%) · Q1 2025. Average closing price $687.82 · Price range $634.14–$744.8320KsharespurchasedSold 18K shares (21.7%) · Q2 2025. Average closing price $558.13 · Price range $483.07–$625.6018KsharessoldSold 4K shares (5.8%) · Q3 2025. Average closing price $565.41 · Price range $534.91–$598.714KsharessoldSold 5K shares (7.8%) · Q4 2025. Average closing price $679.43 · Price range $557.73–$787.325KsharessoldSold 1K shares (2.4%) · Q1 2026. Average closing price $765.64 · Price range $733.04–$812.271Ksharessold← Earlier —1 purchase
Average closing price · filing quarter
$765.64
Price range · filing quarter
$733.04 – $812.27
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Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Reduced −1K −$1.0M −2.4% 55K May 14, 2026
Q4 2025 Reduced −5K −$3.2M −7.8% 57K Feb 17, 2026
Q3 2025 Reduced −4K −$2.2M −5.8% 61K Nov 13, 2025
Q2 2025 Reduced −18K −$10M −21.7% 65K Aug 13, 2025
Q1 2025 Added +20K +$14M +32.3% 83K May 14, 2025
Q4 2024 Added +11K +$9.2M +21.1% 63K Feb 13, 2025
Q3 2024 Reduced −5K −$5.9M −9.2% 52K Nov 13, 2024
Q2 2024 Reduced −596 −$578K −1.0% 57K Aug 13, 2024
Q1 2024 Reduced −9K −$8.8M −13.8% 58K May 14, 2024
Q4 2023 Added +9K +$7.5M +15.8% 67K Feb 13, 2024
Q3 2023 Added +5K +$4.0M +9.5% 58K Nov 13, 2023
Q2 2023 Reduced −14K −$11M −21.2% 53K Aug 14, 2023
Q1 2023 Reduced −4K −$3.0M −5.6% 67K May 12, 2023
Q4 2022 Added +17K +$13M +31.7% 71K Feb 13, 2023
Q3 2022 Reduced −2K −$1.5M −4.3% 54K Nov 10, 2022
Q2 2022 Added +8K +$5.5M +17.7% 56K Aug 12, 2022
Q1 2022 Added +500 +$316K +1.1% 48K May 13, 2022
Q4 2021 Reduced −2K −$1.2M −3.9% 47K Feb 11, 2022
Q3 2021 Added +800 +$497K +1.6% 49K Nov 12, 2021
Q2 2021 Added +7K +$3.5M +16.6% 48K Aug 12, 2021
Q1 2021 First covered – – – 42K May 13, 2021
Data through Q1 2026 · filed May 14, 2026
21 grouped rows from 21 quarters

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Common questions

Does Jeremy Grantham own REGN?

Yes. As of Q1 2026, Jeremy Grantham disclosed 55K shares of REGN, worth $43M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Jeremy Grantham buy REGN?

Jeremy Grantham held REGN 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 REGN?

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

How many shares of REGN does Jeremy Grantham own?

Jeremy Grantham disclosed 55K shares of REGN 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 REGN?

Jeremy Grantham began building the REGN 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.