Companies: 10,795·Total market cap: $144.5T
F-star Therapeutics, Inc.

F-star Therapeutics, Inc.

FSTXNASDAQHealthcare
$7.12
+$0.00(+0.00%)
Market Cap$156511128
P/E Ratio
52W High$7.12
52W Low$2.07
Overview

F-star Therapeutics, Inc. (FSTX) Shares Outstanding — Overview

Basic and diluted weighted average shares, YoY change, float context, and historical trend from SEC filings and FMP.

FSTX · shares outstanding · updated Jun 9, 2026

Key metrics

Basic Shares Outstanding · Weighted average · fiscal year
16.6M +83.23% YoY Change
FY · as of Dec 31, 2021 · Reported in USD
vs 9.1M in FY 2020
Diluted Shares Outstanding
16.6M
incl. options, RSUs, convertibles
Dilution Spread
+0.00%
Diluted vs Basic
YoY Change
+83.23%
year-over-year
Float (Free Float)
21.6M
publicly tradable shares
98.2% of total
Source: FMP /income-statement · /shares-float · SEC 10-K / 10-QUpdated: 2026-06-09

Shares Outstanding Growth Rate

3-Year CAGRincreasing
+4.4%
2018 → 2021
5-Year CAGRincreasing
+18.1%
2016 → 2021
10-Year CAGR

Negative CAGR typically indicates share buyback or retirement activity. Interpret alongside Splits and Financials tabs. Splits / Financials

Shares outstanding history

↓ Decrease — typically buyback / retirement
↑ Increase — issuance / equity compensation
Latest
* most recent reported · FMP /income-statement · weightedAverageShsOut

Annual shares outstanding by year

FY 2021Latest
Diluted Shares: 16.6M
16.6M
+83.23%
FY 2020
Diluted Shares: 9.1M
9.1M
+0.16%
FY 2019
Diluted Shares: 9.1M
9.1M
-37.95%
FY 2018
Diluted Shares: 14.6M
14.6M
+31.07%
FY 2017
Diluted Shares: 11.2M
11.2M
+53.70%
FMP /income-statement · weightedAverageShsOut · weightedAverageShsOutDilUnit: Billions (B)

Healthcare sector shares outstanding comparison

Shares Outstanding for similar companies or competitors in the Healthcare sector.

#SymbolCompanyShares (Basic)vs FSTX
#1
Merck & Co., Inc.MRK
Merck & Co., Inc.
2.502B+>999%
#2
Johnson & JohnsonJNJ
Johnson & Johnson
2.429B+>999%
#3
AbbVie Inc.ABBV
AbbVie Inc.
1.780B+>999%
#4
AstraZeneca PLCAZN
AstraZeneca PLC
1.550B+>999%
#5
UnitedHealth Group IncorporatedUNH
UnitedHealth Group Incorporated
910.0M+>999%
#6
Eli Lilly and CompanyLLY
Eli Lilly and Company
898.0M+>999%
#7
F-star Therapeutics, Inc.FSTX
F-star Therapeutics, Inc.YOU
16.6M

/company-screener · per-peer /income-statement · cache 86400s

Understanding Shares Outstanding

What Are Shares Outstanding? (Basic)

F-star Therapeutics, Inc. (FSTX) shares outstanding is the total number of issued shares held by shareholders — the basis for Basic EPS and market capitalization. As of December 31, 2021, F-star Therapeutics, Inc. reports 16.6M basic shares outstanding (weighted average).

Basic vs. Diluted Shares Outstanding

F-star Therapeutics, Inc.'s basic shares outstanding (16.6M) represents currently issued shares. Diluted shares outstanding (16.6M) also includes potential shares from stock options, RSUs, and convertibles. Dilution spread: +0.00%.

Shares Outstanding vs. Float (Free Float)

F-star Therapeutics, Inc.'s float is 21.6M (98.2% of total shares outstanding) — shares freely available for public trading, excluding insider-held and restricted shares.

Float21.6M(98.2%)
Outstanding22.0M

Float data from /shares-float reflects the most recent SEC filing period-end. The weighted average shares (from /income-statement) may differ — this is a normal reporting window difference, not a data error.

FMP /income-statement · /shares-float · SEC EDGAR · USD

About shares outstanding & methodology

F-star Therapeutics, Inc. (FSTX) shares outstanding history from 2016 to 2021. Shares outstanding can be defined as the total number of shares held by all shareholders — including institutional investors, retail investors, and company insiders — assuming conversion of all convertible debt, securities, warrants, and options. This metric excludes the company's treasury shares.

F-star Therapeutics, Inc. shares outstanding for the fiscal year ending December 31, 2021 were 16.6M, a 83.23% increase year-over-year. F-star Therapeutics, Inc. FY 2021 shares outstanding were 16.6M, a +83.23% increase from FY 2020.

F-star Therapeutics, Inc. is a leading company operating in the Healthcare sector. The company's share count trajectory — with a 10-year CAGR of — — is a key signal for investors evaluating capital return policy, EPS accretion, and long-term shareholder value creation.

Figures tie to SEC 10-K/10-Q income statement disclosures and FMP /income-statement · /shares-float where noted.

Frequently asked questions

FSTX shares outstanding · 4 questions

As of December 31, 2021, F-star Therapeutics, Inc. (FSTX) has approximately 16.6M basic shares outstanding and 16.6M diluted shares outstanding. This represents a +83.23% year-over-year increase from FY 2020 (9.1M). The increase may reflect equity compensation issuances or secondary offerings.

FSTX shares outstandinghow many shares does FSTX haveFSTX basic shares 2021FSTX diluted shares

Data: FMP /income-statement · /shares-float · SEC EDGAR · weighted average basis · F-star Therapeutics, Inc. SEC 10-K & 10-Q filings · US GAAP · Last updated: 2026-06-09