Mersana Therapeutics, Inc.

MRSNNASDAQHealthcare

$29.08

+$0.00(+0.00%)

Market Cap$145363650

P/E Ratio—

52W High$30.39

52W Low$5.21

Avg Volume136K

Open$28.78

Beta0.43

Overview

Mersana Therapeutics, Inc. (MRSN) 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 · MRSN · as of Mar 3, 2025

Latest filing snapshot

102

-21-17.07%vs prior year

Mersana Therapeutics, Inc. (MRSN) employee data is sourced from the annual SEC 10-K filing. As of 2024, full-time employees only. Global consolidated headcount. View SEC filing ↗

SEC 10-K·Period end: 2024-12-31·Full-time · Global

Total Employees

102

Change (1Y)

-21

Growth % (1Y)

-17.07%

Revenue / Employee

$397.0K

Net Income / Employee

$-678.4K

Market Cap

$145M

MRSN Employee Count

2017 – 2024 · 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)
2025-03-03	2024-12-31	102	-21	-17.07%
2024-02-28	2023-12-31	123	-105	-46.05%
2023-02-28	2022-12-31	228	+59	+34.91%
2022-02-28	2021-12-31	169	+59	+53.64%
2021-02-26	2020-12-31	110	+27	+32.53%
2020-02-28	2019-12-31	83	-3	-3.49%
2019-03-08	2018-12-31	86	+8	+10.26%
2018-03-28	2017-12-31	78	—	—

▸ 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

Barinthus Biotherapeutics plc

105$29M #3

MRSN

Mersana Therapeutics, Inc.YOU

102$145M #4

ALGS

Aligos Therapeutics, Inc.

Kezar Life Sciences, Inc.

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

About MRSN employees

MRSN Employees · Headcount

Mersana Therapeutics, Inc. (MRSN) employee data is sourced from the annual SEC 10-K filing. As of 2024, Mersana Therapeutics, Inc. had 102 full-time employees globally. Full-time employees only. Global consolidated headcount.

Mersana Therapeutics, Inc. employs 102 full-time employees as of the latest filing within the Biotechnology industry. Revenue per employee stands at $397,029, reflecting the company's operational efficiency.

Mersana Therapeutics, Inc.'s workforce decreased by 21 (17.07%) in 2024 compared to the prior fiscal year. The historical trend reflects the company's expansion and contraction cycles.

Mersana Therapeutics, Inc.'s revenue per employee of $397,029 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

MRSN Employees · 5 questions

As of the latest SEC 10-K filing (2024), Mersana Therapeutics, Inc. had 102 full-time employees globally. This figure is sourced from the company's mandatory annual disclosure to the SEC.

Mersana Therapeutics, Inc. employee counthow many employees does Mersana Therapeutics, Inc. haveMRSN total employees 2024

▸ Data source: FMP /historical-employee-count · SEC EDGAR annual filings · As reported · Global consolidated headcount · As of 2025-03-03