Fairfield, Bush & Co.
- SEC CIK
- 0001116247
- Latest filing
- Aug 13, 2026
REGN holding history
Regeneron Pharmaceuticals, Inc. in every 13F filed by Fairfield, Bush & Co., including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
REGN overviewAll 13F holders of REGNFull Q2 2026 holdings
- Shares (Q2 2026)
- 1,496
- Value
- $933.0K
- % of portfolio
- 0.5%
- Quarters held
- 22
- Since Q1 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 1,496 | $933.0K | 0.5% | −36−2.3% | Reduced | Holders |
| Q1 2026 | 1,532 | $1.18M | 0.7% | −146−8.7% | Reduced | Holders |
| Q4 2025 | 1,678 | $1.30M | 0.7% | −193−10.3% | Reduced | Holders |
| Q3 2025 | 1,871 | $1.05M | 0.5% | −316−14.4% | Reduced | Holders |
| Q2 2025 | 2,187 | $1.15M | 0.6% | +30+1.4% | Added | Holders |
| Q1 2025 | 2,157 | $1.37M | 0.9% | +193+9.8% | Added | Holders |
| Q4 2024 | 1,964 | $1.40M | 0.8% | +125+6.8% | Added | Holders |
| Q3 2024 | 1,839 | $1.93M | 1.2% | −137−6.9% | Reduced | Holders |
| Q2 2024 | 1,976 | $2.08M | 1.2% | −6−0.3% | Reduced | Holders |
| Q1 2024 | 1,982 | $1.91M | 1.1% | −76−3.7% | Reduced | Holders |
| Q4 2023 | 2,058 | $1.81M | 1.1% | +123+6.4% | Added | Holders |
| Q3 2023 | 1,935 | $1.59M | 1.0% | +115+6.3% | Added | Holders |
| Q2 2023 | 1,820 | $1.31M | 0.4% | +95+5.5% | Added | Holders |
| Q1 2023 | 1,725 | $1.42M | 0.5% | −245−12.4% | Reduced | Holders |
| Q4 2022 | 1,970 | $1.42M | 0.9% | +171+9.5% | Added | Holders |
| Q3 2022 | 1,799 | $1.24M | 0.9% | +155+9.4% | Added | Holders |
| Q2 2022 | 1,644 | $972.0K | 0.6% | −170−9.4% | Reduced | Holders |
| Q1 2022 | 1,814 | $1.27M | 0.6% | −637−26.0% | Reduced | Holders |
| Q4 2021 | 2,451 | $1.55M | 0.7% | −50−2.0% | Reduced | Holders |
| Q3 2021 | 2,501 | $1.51M | 0.5% | −245−8.9% | Reduced | Holders |
| Q2 2021 | 2,746 | $1.53M | 0.4% | +1,292+88.9% | Added | Holders |
| Q1 2021 | 1,454 | $688.0K | 0.2% | – | – | Holders |
Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.