Sesen Bio, Inc.

Sesen Bio, Inc. - ROEverified

SESN

Price:

$0.6288

Market Cap:

$127.96M

Sesen Bio, Inc. is a clinical-stage biotechnology firm deeply involved in the creation, advancement, and eventual market launch of targeted fusion protein therapeutics (TFPTs). Their primary aim is to combat various forms of cancer. Their flagship experimental drug, Vicineum, is a locally administered targeted fusion protein currently undergoing Phase III clinical trials. It targets several conditions, including non-muscle invasive bladder cancer that has not responded to bacillus Calmette-Guérin (BCG) treatment, non-muscle invasive carcinoma in situ of the bladder in patients who previously received BCG, and squamous cell carcinoma affecting the head and neck region. Another promising candi...[Read more]

Industry

Biotechnology

IPO Date

2014-02-06

Stock Exchange

NASDAQ

Ticker

SESN

The ROE as of June 2026 (TTM) for Sesen Bio, Inc. (SESN) is -111.70%

According to Sesen Bio, Inc.’s latest financial reports and current stock price. The company's current ROE is -111.70%. This represents a change of -91.29% compared to the average of -1282.66% of the last 4 quarters.

Sesen Bio, Inc. (SESN) Historical ROE (quarterly & annually)

How has SESN ROE performed in the past?

The mean historical ROE of Sesen Bio, Inc. over the last ten years is 61.41%. The current -111.70% ROE has changed -281.90% with respect to the historical average. Over the past ten years (40 quarters), SESN's ROE was at its highest in in the June 2020 quarter at 1.00%. The ROE was at its lowest in in the September 2025 quarter at -5157.67%.

Quarterly (TTM)
Annual

Average

61.41%

Median

-6.38%

Minimum

-176.58%

Maximum

670.86%

Sesen Bio, Inc. (SESN) ROE by Quarter and Year

Discovering the peaks and valleys of Sesen Bio, Inc. ROE, unveiling quarterly and yearly fluctuations to gain insights into the company’s financial performance and market dynamics, offering valuable data for investors and analysts alike.

Maximum Annual Increase = 6.32%

Maximum Annual ROE = 670.86%

Minimum Annual Increase = -3392.31%

Minimum Annual ROE = -176.58%

Quarterly (TTM)
Annual
YearROEChange
2024216.69%-1823.94%
2022-12.57%6.32%
2021-0.20%-100.08%
2020242.73%-63.82%
2019670.86%-959.62%
2018-78.04%-51.52%
2017-160.97%-3392.31%
20164.89%-102.77%
2015-176.58%90.39%
2014-92.75%-87.93%

Sesen Bio, Inc. (SESN) Average ROE

How has SESN ROE performed in the past?

The current ROE of Sesen Bio, Inc. (SESN) is less than than its 3-year, less than than its 5-year, and less than than its 10-year historical averages

3-year avg

67.98%

5-year avg

223.50%

10-year avg

61.41%

Sesen Bio, Inc. (SESN) ROE vs. Peers

How is SESN’s ROE compared to its peers?

Sesen Bio, Inc.’s ROE is less than Paratek Pharmaceuticals, Inc. (42.54%), greater than NGM Biopharmaceuticals, Inc. (-69.76%), greater than aTyr Pharma, Inc. (-99.87%), greater than Kinnate Biopharma Inc. (-58.86%), greater than Decibel Therapeutics, Inc. (-56.38%), less than Selecta Biosciences, Inc. (194.13%), greater than Quoin Pharmaceuticals, Ltd. (-292.33%), greater than Pardes Biosciences, Inc. (-41.86%), less than Graybug Vision, Inc. (4.09%), greater than Tourmaline Bio, Inc. (-24.42%),

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