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Jim Simons's Pfizer Inc. (PFE) position

Not anymore: Jim Simons fully exited PFE in Q4 2025. The position peaked at $496M in Q1 2023.
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Value at exit
$87M
Shares at exit
3.4M
Est. average buy price (i)
$24.94
Quarter-end price
$25.48

Estimated trade prices

Average price in quarters with purchases
$42.62
Average prices in quarters with sales
  • Q2 2025: $23.32 (152K shares sold)
  • Q1 2024: $27.75 (1.9M shares sold)
  • Q4 2023: $30.23 (732K shares sold)
  • Q3 2023: $35.36 (1.8M shares sold)
  • Q2 2023: $38.92 (3.7M shares sold)
  • Q4 2022: $47.94 (919K shares sold)

PFE price vs Simons's position

1Y 3Y 5Y MAX
Dates
$20$40$6020222023202420252026Added 5.1M shares (215.5%) · Q3 2021. Average closing price $44.30 · Price range $39.25–$50.425.1MsharespurchasedNew position of 6.0M shares · Q1 2022. Average closing price $51.89 · Price range $45.75–$56.696.0MsharespurchasedNew position of 2.0M shares · Q3 2022. Average closing price $48.59 · Price range $43.76–$53.422.0MsharespurchasedSold 919K shares (46.2%) · Q4 2022. Average closing price $47.94 · Price range $41.75–$54.48919KsharessoldAdded 11.1M shares (over 1,000%) · Q1 2023. Average closing price $43.19 · Price range $39.39–$51.2611.1MsharespurchasedSold 3.7M shares (30.8%) · Q2 2023. Average closing price $38.92 · Price range $36.12–$41.793.7MsharessoldSold 1.8M shares (21.7%) · Q3 2023. Average closing price $35.36 · Price range $32.09–$37.511.8MsharessoldSold 732K shares (11.1%) · Q4 2023. Average closing price $30.23 · Price range $26.13–$33.94732KsharessoldSold 1.9M shares (32.3%) · Q1 2024. Average closing price $27.75 · Price range $25.89–$29.731.9MsharessoldAdded 736K shares (18.6%) · Q2 2024. Average closing price $27.53 · Price range $25.26–$29.60736KsharespurchasedNew position of 752K shares · Q1 2025. Average closing price $26.17 · Price range $25.01–$27.13752KsharespurchasedSold 152K shares (20.2%) · Q2 2025. Average closing price $23.32 · Price range $21.59–$24.84152KsharessoldAdded 2.8M shares (465.9%) · Q3 2025. Average closing price $24.68 · Price range $23.29–$25.882.8Msharespurchased← Earlier —1 purchase
Average closing price · filing quarter
$24.68
Price range · filing quarter
$23.29 – $25.88
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Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q4 2025 Exited −3.4M −$86M −100.0% 0 Feb 12, 2026
Q3 2025 Added +2.8M +$69M +465.9% 3.4M Nov 13, 2025
Q2 2025 Reduced −152K −$3.5M −20.2% 600K Aug 13, 2025
Q1 2025 New +752K +$20M – 752K May 14, 2025
Q2 2024 Added +736K +$20M +18.6% 4.7M Aug 9, 2024
Q1 2024 Reduced −1.9M −$53M −32.3% 4.0M May 13, 2024
Q4 2023 Reduced −732K −$22M −11.1% 5.9M Feb 13, 2024
Q3 2023 Reduced −1.8M −$64M −21.7% 6.6M Nov 14, 2023
Q2 2023 Reduced −3.7M −$146M −30.8% 8.4M Aug 11, 2023
Q1 2023 Added +11.1M +$478M +1,034.0% 12.1M May 12, 2023
Q4 2022 Reduced −919K −$44M −46.2% 1.1M Feb 13, 2023
Q3 2022 New +2.0M +$97M – 2.0M Nov 14, 2022
Q1 2022 New +6.0M +$312M – 6.0M May 13, 2022
Q3 2021 Added +5.1M +$226M +215.5% 7.5M Nov 12, 2021
Q2 2021 New +2.4M +$92M – 2.4M Aug 13, 2021
Data through Q4 2025 · filed Feb 12, 2026
15 grouped rows from 15 quarters

More Simons positions

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Micron Technology, Inc.(MU)
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VeriSign, Inc.(VRSN)
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Common questions

Does Jim Simons own PFE?

Not currently. Jim Simons fully exited PFE in Q4 2025, and the complete history is above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Jim Simons buy PFE?

Jim Simons first disclosed a PFE position in Q2 2021; 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 Jim Simons sell PFE?

Yes. Jim Simons reduced and then fully exited PFE by Q4 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 PFE does Jim Simons own?

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

What price did Jim Simons pay for PFE?

Jim Simons's estimated average buy price for PFE is $24.94, from quarter-average prices weighted by the shares added each quarter. 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.