Renaissance Technologies (RenTech)'s PFE Position Overview
Renaissance Technologies (RenTech) (via Renaissance Technologies LLC) currently holds 1.99 M shares of Pfizer Inc. (PFE) worth $56.73 M, representing 0.08% of the portfolio. First purchased in 2013-Q4, this long-term strategic position has been held for 44 quarters.
Based on 13F filings since 2013, Renaissance Technologies (RenTech) 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 (RenTech)'s Pfizer (PFE) Holding Value Over Time
Track share changes against reported price movement
Quarterly Pfizer (PFE) Trades by Renaissance Technologies (RenTech)
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q3 2026 | +1.99 M | New Buy | 1.99 M | $28.52 |
| Q4 2025 | -3.4 M | Sold Out | 0 | $0.00 |
| Q3 2025 | +2.8 M | Add 465.90% | 3.4 M | $25.48 |
| Q2 2025 | -151,991 | Reduce 20.21% | 600,033 | $24.24 |
| Q1 2025 | +752,024 | New Buy | 752,024 | $25.34 |
| Q3 2024 | -4.7 M | Sold Out | 0 | $0.00 |
| Q2 2024 | +735,536 | Add 18.55% | 4.7 M | $27.98 |
| Q1 2024 | -1.89 M | Reduce 32.31% | 3.96 M | $27.75 |
| Q4 2023 | -732,023 | Reduce 11.11% | 5.86 M | $28.79 |
| Q3 2023 | -1.82 M | Reduce 21.67% | 6.59 M | $33.17 |
| Q2 2023 | -3.74 M | Reduce 30.77% | 8.41 M | $0.04 |
| Q1 2023 | +11.08 M | Add 1033.98% | 12.15 M | $0.04 |
| Q4 2022 | -918,600 | Reduce 46.16% | 1.07 M | $0.05 |
| Q3 2022 | +1.99 M | New Buy | 1.99 M | $43.76 |
| Q2 2022 | -6.01 M | Sold Out | 0 | $0.00 |
| Q1 2022 | +6.01 M | New Buy | 6.01 M | $51.77 |
| Q4 2021 | -7.46 M | Sold Out | 0 | $0.00 |
| Q3 2021 | +5.09 M | Add 215.50% | 7.46 M | $43.01 |
| Q2 2021 | +2.36 M | New Buy | 2.36 M | $39.16 |
| Q4 2020 | -537,041 | Sold Out | 0 | $0.00 |
| Q3 2020 | +537,041 | New Buy | 537,041 | $36.70 |
| Q2 2020 | -2.6 M | Sold Out | 0 | $0.00 |
| Q1 2020 | -10.5 M | Reduce 80.14% | 2.6 M | $32.64 |
| Q4 2019 | +8.82 M | Add 205.90% | 13.1 M | $39.18 |
| Q3 2019 | +797,259 | Add 22.87% | 4.28 M | $35.93 |
| Q2 2019 | -220,100 | Reduce 5.94% | 3.49 M | $43.32 |
| Q1 2019 | +3.71 M | New Buy | 3.71 M | $42.47 |
| Q1 2018 | -996,641 | Sold Out | 0 | $0.00 |
| Q4 2017 | -4.61 M | Reduce 82.23% | 996,641 | $36.22 |
| Q3 2017 | -2.38 M | Reduce 29.80% | 5.61 M | $35.70 |
| Q2 2017 | +7.99 M | New Buy | 7.99 M | $33.59 |
| Q1 2017 | -2.85 M | Sold Out | 0 | $0.00 |
| Q4 2016 | -5.72 M | Reduce 66.76% | 2.85 M | $32.48 |
| Q3 2016 | +6.82 M | Add 390.79% | 8.57 M | $33.87 |
| Q2 2016 | -670,941 | Reduce 27.77% | 1.75 M | $35.21 |
| Q1 2016 | -5.57 M | Reduce 69.74% | 2.42 M | $29.64 |
| Q4 2015 | +7.99 M | New Buy | 7.99 M | $32.28 |
| Q3 2015 | -2.08 M | Sold Out | 0 | $0.00 |
| Q2 2015 | -541,400 | Reduce 20.64% | 2.08 M | $33.53 |
| Q1 2015 | +2.62 M | New Buy | 2.62 M | $34.79 |
| Q3 2014 | -9.65 M | Sold Out | 0 | $0.00 |
| Q2 2014 | +9.2 M | Add 2024.41% | 9.65 M | $29.68 |
| Q1 2014 | -7.05 M | Reduce 93.94% | 454,241 | $32.12 |
| Q4 2013 | +7.5 M | New Buy | 7.5 M | $30.63 |
Renaissance Technologies (RenTech)'s Pfizer Investment FAQs
Renaissance Technologies (RenTech) 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 (RenTech) has held Pfizer Inc. (PFE) for 44 quarters since Q4 2013.
Renaissance Technologies (RenTech)'s largest addition to Pfizer Inc. (PFE) was in Q1 2023, adding 12,149,955 shares worth $495,718.
According to the latest 13F filing for Q3 2026, Renaissance Technologies (RenTech)'s firm, Renaissance Technologies LLC, owns 1,989,077 shares of Pfizer Inc. (PFE), valued at approximately $56.73 M.
As of the Q3 2026 filing, Pfizer Inc. (PFE) represents approximately 0.08% of Renaissance Technologies (RenTech)'s publicly disclosed stock portfolio, making it one of their key holdings.
Renaissance Technologies (RenTech)'s peak holding in Pfizer Inc. (PFE) was 13,102,541 shares, as reported at the end of Q4 2019.