Rhythm Pharmaceuticals, Inc.

RYTMNASDAQHealthcare● Active

$85.93

$-0.48(-0.55%)

Market Cap$5.9B

P/E Ratio—

52W High$122.2

52W Low$60.7

Avg Volume806K

Open$87.09

Beta1.92

Employees Ownership Insider Trades

Rhythm Pharmaceuticals, Inc. (RYTM) Number of Employees – History & Annual Headcount

Annual SEC headcount, year-over-year change, and per-employee efficiency — chart and full history below.

SEC EDGAR · FMP · RYTM · as of Feb 26, 2026

Latest filing snapshot

414

+131+46.29%vs prior year

Rhythm Pharmaceuticals, Inc. (RYTM) employee data is sourced from the annual SEC 10-K filing. As of 2025, full-time employees only. Global consolidated headcount. View SEC filing ↗

SEC 10-K·Period end: 2025-12-31·Full-time · Global

Total Employees

414

Change (1Y)

+131

Growth % (1Y)

+46.29%

Revenue / Employee

$458.4K

Net Income / Employee

$-474.7K

Market Cap

$5.9B

RYTM Employee Count

2017 – 2025 · Annual · SEC filing

Source: SEC annual filings · Hover bar to view year data · Click to view original filing

Employees History

Filing Date	Period End	Employees	Change (1Y)	Growth (1Y)
2026-02-26	2025-12-31	414	+131	+46.29%
2025-02-28	2024-12-31	283	+57	+25.22%
2024-02-29	2023-12-31	226	+49	+27.68%
2023-03-01	2022-12-31	177	+37	+26.43%
2022-03-01	2021-12-31	140	+50	+55.56%
2021-03-01	2020-12-31	90	+20	+28.57%
2020-03-02	2019-12-31	70	+16	+29.63%
2019-03-08	2018-12-31	54	+28	+107.69%
2018-03-12	2017-12-31	26	—	—

▸ Source: SEC Annual Reports (Form 10-K / 20-F). Employee counts as of fiscal year end. Click the ↗ icon at the end of a row to open the original SEC filing in a new tab.

Related Companies — Employee Count

Biotechnology

#SymbolCompanyEmployeesMkt Cap

Rhythm Pharmaceuticals, Inc.YOU

Cullinan Therapeutics, Inc.

111$816M #5

AKRO

Akero Therapeutics, Inc.

Black Diamond Therapeutics, Inc.

24$106M

Source: /stock-peers + /profile.fullTimeEmployees · Click row → /employees · Sorted by headcount · RYTM peer comparison

About RYTM employees

RYTM Employees · Headcount

Rhythm Pharmaceuticals, Inc. (RYTM) employee data is sourced from the annual SEC 10-K filing. As of 2025, Rhythm Pharmaceuticals, Inc. had 414 full-time employees globally. Full-time employees only. Global consolidated headcount.

Rhythm Pharmaceuticals, Inc. employs 414 full-time employees as of the latest filing within the Biotechnology industry. Revenue per employee stands at $458,350, reflecting the company's operational efficiency.

Rhythm Pharmaceuticals, Inc.'s workforce increased by 131 (46.29%) in 2025 compared to the prior fiscal year. The historical trend reflects the company's expansion and contraction cycles.

Rhythm Pharmaceuticals, Inc.'s revenue per employee of $458,350 positions it among the notable performers in the Biotechnology sector for operational efficiency.

Revenue Financial statements Net income SEC filings Price history Forecast & ratings Ownership Earnings

Frequently Asked Questions

RYTM Employees · 5 questions

As of the latest SEC 10-K filing (2025), Rhythm Pharmaceuticals, Inc. had 414 full-time employees globally. This figure is sourced from the company's mandatory annual disclosure to the SEC.

Rhythm Pharmaceuticals, Inc. employee counthow many employees does Rhythm Pharmaceuticals, Inc. haveRYTM total employees 2025

▸ Data source: FMP /historical-employee-count · SEC EDGAR annual filings · As reported · Global consolidated headcount · As of 2026-02-26