Regeneron Pharmaceuticals's Number of Employees
- In fiscal year 2026, the total number of employees at Regeneron Pharmaceuticals was 15,410. The employee count increased by 304 from 15,106 (in 2025) to 15,410 (in 2026). It represents a 2.01% year-over-year growth.
- The highest number of employees at Regeneron Pharmaceuticals was 15,410 in fiscal year 2026.
- The lowest number of employees was 5,400 in fiscal year 2017.
- The average number of employees was 10,241.
- An Employee is any individual who renders service to the business as per the mutual agreement in exchange for a fixed remuneration. Refer to our glossary for more details, examples, and formulas.
Over the past 10 years (2017-2026):
Learn more about Regeneron Pharmaceuticals's Revenue by Segment and Revenue by Region.
Check out competitors to Regeneron Pharmaceuticals in a side-by-side comparison.
Explore additional financial metrics for Regeneron Pharmaceuticals.
Definition of employee :
Regeneron Pharmaceuticals's Employees Trend
| 2016 | 4300 |
|---|---|
| 2017 | 5400 |
| 2018 | 6200 |
| 2019 | 7400 |
| 2020 | 8100 |
| 2021 | 9123 |
| 2022 | 10368 |
| 2023 | 11851 |
| 2024 | 13450 |
| 2025 | 15106 |
| 2026 | 15410 |
2026
Regeneron Pharmaceuticals's number of employees was 15,410 in fiscal year 2026.
2025
Regeneron Pharmaceuticals's number of employees was 15,106 in fiscal year 2025.
2024
Regeneron Pharmaceuticals's number of employees was 13,450 in fiscal year 2024.
2023
Regeneron Pharmaceuticals's number of employees was 11,851 in fiscal year 2023.
2022
Regeneron Pharmaceuticals's number of employees was 10,368 in fiscal year 2022.
2021
Regeneron Pharmaceuticals's number of employees was 9,123 in fiscal year 2021.
2020
Regeneron Pharmaceuticals's number of employees was 8,100 in fiscal year 2020.
2019
Regeneron Pharmaceuticals's number of employees was 7,400 in fiscal year 2019.
2018
Regeneron Pharmaceuticals's number of employees was 6,200 in fiscal year 2018.
2017
Regeneron Pharmaceuticals's number of employees was 5,400 in fiscal year 2017.
Regeneron Pharmaceuticals's Employees (Year-over-Year Change)
| 2016 | 0 |
|---|---|
| 2017 | 25.58 |
| 2018 | 14.81 |
| 2019 | 19.35 |
| 2020 | 9.46 |
| 2021 | 12.63 |
| 2022 | 13.65 |
| 2023 | 14.3 |
| 2024 | 13.49 |
| 2025 | 12.31 |
| 2026 | 2.01 |
2026
Regeneron Pharmaceuticals's number of employees
increased 2.01
%
during fiscal year 2026
compared to 2025.
It represents a increase of
304 employees from
15,106 (in
2025)
to 15,410 (in
2026).
2025
Regeneron Pharmaceuticals's number of employees
increased 12.31
%
during fiscal year 2025
compared to 2024.
It represents a increase of
1,656 employees from
13,450 (in
2024)
to 15,106 (in
2025).
2024
Regeneron Pharmaceuticals's number of employees
increased 13.49
%
during fiscal year 2024
compared to 2023.
It represents a increase of
1,599 employees from
11,851 (in
2023)
to 13,450 (in
2024).
2023
Regeneron Pharmaceuticals's number of employees
increased 14.3
%
during fiscal year 2023
compared to 2022.
It represents a increase of
1,483 employees from
10,368 (in
2022)
to 11,851 (in
2023).
2022
Regeneron Pharmaceuticals's number of employees
increased 13.65
%
during fiscal year 2022
compared to 2021.
It represents a increase of
1,245 employees from
9,123 (in
2021)
to 10,368 (in
2022).
2021
Regeneron Pharmaceuticals's number of employees
increased 12.63
%
during fiscal year 2021
compared to 2020.
It represents a increase of
1,023 employees from
8,100 (in
2020)
to 9,123 (in
2021).
2020
Regeneron Pharmaceuticals's number of employees
increased 9.46
%
during fiscal year 2020
compared to 2019.
It represents a increase of
700 employees from
7,400 (in
2019)
to 8,100 (in
2020).
2019
Regeneron Pharmaceuticals's number of employees
increased 19.35
%
during fiscal year 2019
compared to 2018.
It represents a increase of
1,200 employees from
6,200 (in
2018)
to 7,400 (in
2019).
2018
Regeneron Pharmaceuticals's number of employees
increased 14.81
%
during fiscal year 2018
compared to 2017.
It represents a increase of
800 employees from
5,400 (in
2017)
to 6,200 (in
2018).
2017
Regeneron Pharmaceuticals's number of employees
increased 25.58
%
during fiscal year 2017
compared to 2016.
It represents a increase of
1,100 employees from
4,300 (in
2016)
to 5,400 (in
2017).
Summary Table
| Period | Employees | Year-over-Year Change |
|---|---|---|
| 2026 | 15,410 | 2.01% |
| 2025 | 15,106 | 12.31% |
| 2024 | 13,450 | 13.49% |
| 2023 | 11,851 | 14.3% |
| 2022 | 10,368 | 13.65% |
| 2021 | 9,123 | 12.63% |
| 2020 | 8,100 | 9.46% |
| 2019 | 7,400 | 19.35% |
| 2018 | 6,200 | 14.81% |
| 2017 | 5,400 | 25.58% |





