Firefly Aerospace Joins the Russell 2000® and Russell 3000® Indexes

Firefly Aerospace (Nasdaq: FLY) joined the Russell 2000 Index effective Dec. 22, 2025, as published by FTSE Russell.

Rhea-AI Summary

Firefly Aerospace (Nasdaq: FLY) joined the Russell 2000 Index effective Dec. 22, 2025, as published by FTSE Russell.

Firefly was one of 18 companies added to the Russell 2000 in December 2025, and that membership triggered its inclusion in the broad-market Russell 3000 Index. Russell indexes are market-capitalization benchmarks widely used by investment managers and institutional investors.

Positive

• Added to Russell 2000 on Dec. 22, 2025
• One of 18 companies selected for Russell 2000 in December 2025
• Addition to Russell 2000 triggered inclusion in Russell 3000

Negative

• None.

Argus Dec 22 session

+16.02% close to close Open Argus

Details

News Market Reaction – FLY

On Dec 22, the day this news came out, FLY closed 16.02% above the previous close.

Data tracked by StockTitan Argus for the Dec 22 session.

Key Figures

Price move: 22.82% Q3 2025 revenue: $30.8M Revenue growth seq.: 98% +5 more

Price move

22.82%

1-day change prior to index inclusion news

Q3 2025 revenue

$30.8M

Quarter ended Q3 2025

Revenue growth seq.

98%

Q3 2025 vs prior quarter

Revenue growth YoY

38%

Q3 2025 vs Q3 2024

IPO net proceeds

$932.3M

IPO completed Aug 8, 2025

Cash & equivalents

$995.2M

End of Q3 2025

NASA BG Mission 4

$176.7M

New contract disclosed with Q3 2025 results

SciTec resale shares

11,111,116 shares

Registered for resale via S-1/S-1A

Historical Context

5 past events · Latest: Dec 11

5 events

1. Dec 11

   Management change

   24h Move

   -6.0%

   New COO appointed to lead operations and scaling efforts.

2. Dec 10

   Mission payload update

   24h Move

   +9.5%

   Blue Ghost Mission 2 adds Volta wireless power receiver payload.

3. Nov 14

   Investor conferences

   24h Move

   +7.1%

   Participation in multiple space and defense investor events.

4. Nov 12

   Earnings results

   24h Move

   -4.3%

   Strong Q3 revenue growth and new contracts disclosed.

5. Nov 05

   Acquisition close

   24h Move

   -1.5%

   Completion of SciTec acquisition expanding defense capabilities.

24h Move is the share-price change in the day after each event; other market factors may also have contributed.

Key Terms

initial public offering, russell 2000® index, russell 3000® index, market capitalization-based indexes

4 terms

initial public offering financial

"employees celebrating the company’s Initial Public Offering on top of the Nasdaq"

An initial public offering (IPO) is when a private company first sells its shares to the public and becomes a stock-listed company. It matters because it allows the company to raise money from a wide range of investors, helping it grow, while giving early shareholders a way to sell some of their ownership.

russell 2000® index financial

"today joined the Russell 2000® Index, as published by the FTSE Russell."

A stock market index that tracks the performance of roughly 2,000 publicly traded U.S. companies with smaller market values, representing the broader small-cap segment of the market. It matters to investors because it acts like a thermometer for smaller companies—used as a benchmark to compare fund performance, guide portfolio allocation, and gauge economic or market trends affecting growth-oriented, higher-risk firms.

russell 3000® index financial

"triggered the company’s addition to the broad-market Russell 3000® Index."

A broad stock market index that tracks the performance of about 3,000 publicly traded U.S. companies of all sizes, acting as a wide-ranging snapshot of the U.S. equity market. It matters to investors because it serves as a common yardstick for the overall market’s health and is the basis for many index funds and investment strategies—think of it as a single basket that shows how the whole U.S. stock market is doing.

market capitalization-based indexes financial

"The market capitalization-based indexes are part of FTSE Russell, a global index"

Stock market indexes that are weighted by market capitalization rank companies by their total value (share price multiplied by shares outstanding) so larger companies have a bigger influence on the index, like a shopping list where bigger items take up more space. Investors care because many funds and benchmarks track these indexes, so shifts in the biggest companies can move the whole index and change how much exposure a portfolio gets to particular industries or risks.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Firefly Aerospace employees celebrating the company’s Initial Public Offering on top of the Nasdaq MarketSite tower in New York, NY on Aug. 7, 2025.

CEDAR PARK, Texas, Dec. 22, 2025 (GLOBE NEWSWIRE) -- Firefly Aerospace (Nasdaq: FLY), a market leading space and defense technology company, today joined the Russell 2000^® Index, as published by the FTSE Russell.

Firefly was one of 18 companies selected for addition to the Russell 2000^® in December. Membership in the Russell 2000^® Index also triggered the company’s addition to the broad-market Russell 3000^® Index.

Russell indexes are widely used by investment managers and institutional investors as benchmarks for investment strategies. The market capitalization-based indexes are part of FTSE Russell, a global index provider that offers a broad range of market indexes to measure the performance of different segments of the global financial markets.

About Firefly Aerospace

Firefly Aerospace is a space and defense technology company that enables government and commercial customers to launch, land, and operate in space – anywhere, anytime. As the partner of choice for responsive space missions, Firefly is the only commercial company to launch a satellite to orbit with approximately 24-hour notice. Firefly is also the only company to achieve a fully successful landing on the Moon. Established in 2017, Firefly’s engineering, manufacturing, and test facilities are co-located in central Texas to enable rapid innovation. The company’s small- to medium-lift launch vehicles, lunar landers, and orbital vehicles are built with common flight-proven technologies to enable speed, reliability, and cost efficiencies for each mission from low Earth orbit to the Moon and beyond. For more information, visit www.fireflyspace.com.

Forward-Looking Statements
This press release contains “forward-looking statements” including, but not limited to, statements regarding the expected capabilities and success of the Firefly spacecraft and services and other statements regarding Firefly’s future expectations, beliefs, plans, objectives, financial conditions, assumptions or future events or performance that are not historical facts. In some cases, you can identify forward-looking statements because they contain words such as “may,” “will,” “expects,” “plans,” “anticipates,” “could,” “would,” “intends,” “believes,” or the negative of these words or other similar terms or expressions that concern our expectations, strategy, plans, or intentions. The inclusion of forward-looking statements should not be regarded as a representation that such plans, estimates or expectations will be achieved. Readers are cautioned not to place undue reliance on the forward-looking statements contained herein, which speak only as of the date hereof. These statements are based on management’s current expectations, assumptions, and beliefs concerning future developments, which are inherently subject to uncertainties, risks, and changes in circumstances that are difficult to predict. These uncertainties and risks include, but are not limited to, the risks and uncertainties set forth in our filings with the Securities and Exchange Commission. We cannot assure you that the events reflected in the forward-looking statements will occur, and actual events could differ materially from those described in the forward-looking statements. Any forward-looking statement speaks only as of the date as of which such statement is made, and except as required by law, we undertake no obligation to update or revise publicly any forward-looking statements, whether because of new information, future events, or otherwise.

Media Contact
press@fireflyspace.com

A photo accompanying this announcement is available at https://www.globenewswire.com/NewsRoom/AttachmentNg/e201f2a7-12d4-4dfb-8e05-30ca881b1e1a 

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

When did Firefly Aerospace (FLY) join the Russell 2000 index?

Firefly joined the Russell 2000 on Dec. 22, 2025.

Was Firefly Aerospace (FLY) added to the Russell 3000 when it joined Russell 2000?

Yes. Membership in the Russell 2000 triggered Firefly's addition to the Russell 3000.

How many companies were added to the Russell 2000 with Firefly Aerospace (FLY) in December 2025?

Firefly was one of 18 companies selected for addition to the Russell 2000 in December 2025.

What do Russell indexes measure and who uses them for benchmarks?

Russell indexes are market cap–based benchmarks used by investment managers and institutional investors to measure market-segment performance.

What is the ticker symbol for Firefly Aerospace and where is it listed?

Firefly Aerospace trades under the ticker FLY on Nasdaq.