Renaissance Technologies's PFE Position Overview
Renaissance Technologies (via Renaissance Technologies LLC) currently holds 3.4 M shares of Pfizer Inc. (PFE) worth $86.52 M, representing 0.11% of the portfolio. First purchased in 2013-Q4, this long-term strategic position has been held for 48 quarters.
Based on 13F filings since 2013, Renaissance Technologies has maintained a long-term strategic position in PFE, representing a significant commitment to this investment thesis. Largest addition occurred in Q1 2023, adding 11.08 M shares. Largest reduction occurred in Q1 2020, reducing 10.5 M shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies's Pfizer (PFE) Holding Value Over Time
Track share changes against reported price movement
Quarterly Pfizer (PFE) Trades by Renaissance Technologies
| Period | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2013 | +7.5 M | New Buy | 7.5 M | $30.63 |
| Q1 2014 | -7.05 M | Reduce 93.94% | 454,241 | $32.12 |
| Q2 2014 | +9.2 M | Add 2024.41% | 9.65 M | $29.68 |
| Q3 2014 | -9.65 M | Sold Out | 9.65 M | $0.00 |
| Q1 2015 | +2.62 M | New Buy | 2.62 M | $34.79 |
| Q2 2015 | -541,400 | Reduce 20.64% | 2.08 M | $33.53 |
| Q3 2015 | -2.08 M | Sold Out | 2.08 M | $0.00 |
| Q4 2015 | +7.99 M | New Buy | 7.99 M | $32.28 |
| Q1 2016 | -5.57 M | Reduce 69.74% | 2.42 M | $29.64 |
| Q2 2016 | -670,941 | Reduce 27.77% | 1.75 M | $35.21 |
| Q3 2016 | +6.82 M | Add 390.79% | 8.57 M | $33.87 |
| Q4 2016 | -5.72 M | Reduce 66.76% | 2.85 M | $32.48 |
| Q1 2017 | -2.85 M | Sold Out | 2.85 M | $0.00 |
| Q2 2017 | +7.99 M | New Buy | 7.99 M | $33.59 |
| Q3 2017 | -2.38 M | Reduce 29.80% | 5.61 M | $35.70 |
| Q4 2017 | -4.61 M | Reduce 82.23% | 996,641 | $36.22 |
| Q1 2018 | -996,641 | Sold Out | 996,641 | $0.00 |
| Q1 2019 | +3.71 M | New Buy | 3.71 M | $42.47 |
| Q2 2019 | -220,100 | Reduce 5.94% | 3.49 M | $43.32 |
| Q3 2019 | +797,259 | Add 22.87% | 4.28 M | $35.93 |
| Q4 2019 | +8.82 M | Add 205.90% | 13.1 M | $39.18 |
| Q1 2020 | -10.5 M | Reduce 80.14% | 2.6 M | $32.64 |
| Q2 2020 | -2.6 M | Sold Out | 2.6 M | $0.00 |
| Q3 2020 | +537,041 | New Buy | 537,041 | $36.70 |
| Q4 2020 | -537,041 | Sold Out | 537,041 | $0.00 |
| Q2 2021 | +2.36 M | New Buy | 2.36 M | $39.16 |
| Q3 2021 | +5.09 M | Add 215.50% | 7.46 M | $43.01 |
| Q4 2021 | -7.46 M | Sold Out | 7.46 M | $0.00 |
| Q1 2022 | +6.01 M | New Buy | 6.01 M | $51.77 |
| Q2 2022 | -6.01 M | Sold Out | 6.01 M | $0.00 |
| Q3 2022 | +1.99 M | New Buy | 1.99 M | $43.76 |
| Q4 2022 | -918,600 | Reduce 46.16% | 1.07 M | $0.05 |
| Q1 2023 | +11.08 M | Add 1033.98% | 12.15 M | $0.04 |
| Q2 2023 | -3.74 M | Reduce 30.77% | 8.41 M | $0.04 |
| Q3 2023 | -1.82 M | Reduce 21.67% | 6.59 M | $33.17 |
| Q4 2023 | -732,023 | Reduce 11.11% | 5.86 M | $28.79 |
| Q1 2024 | -1.89 M | Reduce 32.31% | 3.96 M | $27.75 |
| Q2 2024 | +735,536 | Add 18.55% | 4.7 M | $27.98 |
| Q3 2024 | -4.7 M | Sold Out | 4.7 M | $0.00 |
| Q1 2025 | +752,024 | New Buy | 752,024 | $25.34 |
| Q2 2025 | -151,991 | Reduce 20.21% | 600,033 | $24.24 |
| Q3 2025 | +2.8 M | Add 465.90% | 3.4 M | $25.48 |
Renaissance Technologies's Pfizer Investment FAQs
Renaissance Technologies first purchased Pfizer Inc. (PFE) in Q4 2013, acquiring 7,499,841 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Renaissance Technologies has held Pfizer Inc. (PFE) for 48 quarters since Q4 2013. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Renaissance Technologies's largest addition to Pfizer Inc. (PFE) was in Q1 2023, adding 12,149,955 shares worth $495,718. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
According to the latest 13F filing for Q3 2025, Renaissance Technologies's firm, Renaissance Technologies LLC, owns 3,395,558 shares of Pfizer Inc. (PFE), valued at approximately $86.52 M. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
As of the Q3 2025 filing, Pfizer Inc. (PFE) represents approximately 0.11% of Renaissance Technologies's publicly disclosed stock portfolio, making it one of their key holdings. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Renaissance Technologies's peak holding in Pfizer Inc. (PFE) was 13,102,541 shares, as reported at the end of Q4 2019. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.