Tearsheet

Byrna Technologies (BYRN)


Market Price (12/4/2025): $18.31 | Market Cap: $415.5 Mil
Sector: Industrials | Industry: Aerospace & Defense

Byrna Technologies (BYRN)


Market Price (12/4/2025): $18.31
Market Cap: $415.5 Mil
Sector: Industrials
Industry: Aerospace & Defense

Investment Highlights Why It Matters Which of these 2 stories sounds closer for this stock?

1. Generates cash flow

The stock generated 4% or more of the share price (called cash flow yield), and shows moderate 10-15% or more growth.

2. Riding a trend

Think Tesla during the pandemic of 2020 when EVs were riding a cultural high, or Nvidia in the current AI boom, or even Figma. These companies don’t have enough yield, or, enough growth, or both - however - they are riding a trend. They have momentum. These can be more volatile - they don’t have the floor of strong cash flow


0 Strong revenue growth
Rev Chg LTMRevenue Change % Last Twelve Months (LTM) is 51%
Meaningful short interest
Short Interest % of Basic SharesShort Interest % of Basic Shares = (Short Interest Quantity) / (Basic Shares Outstanding). A high fraction of short interest can indicate potential risk of a short squeeze. is 18%
Expensive valuation multiples
P/EBITPrice/EBIT or Price/(Operating Income) ratio is 42x
1 Megatrend and thematic drivers
Megatrends include Personal Security & Safety, and Public Safety Enhancement. Themes include Non-Lethal Defense, Personal Protection Devices, Show more.
  Not cash flow generative
CFO/Rev LTMCash Flow from Operations / Revenue (Sales), Last Twelve Months (LTM) is -3.8%, FCF/Rev LTMFree Cash Flow / Revenue (Sales), Last Twelve Months (LTM) is -10.0%
0 Strong revenue growth
Rev Chg LTMRevenue Change % Last Twelve Months (LTM) is 51%
1 Megatrend and thematic drivers
Megatrends include Personal Security & Safety, and Public Safety Enhancement. Themes include Non-Lethal Defense, Personal Protection Devices, Show more.
2 Meaningful short interest
Short Interest % of Basic SharesShort Interest % of Basic Shares = (Short Interest Quantity) / (Basic Shares Outstanding). A high fraction of short interest can indicate potential risk of a short squeeze. is 18%
3 Expensive valuation multiples
P/EBITPrice/EBIT or Price/(Operating Income) ratio is 42x
4 Not cash flow generative
CFO/Rev LTMCash Flow from Operations / Revenue (Sales), Last Twelve Months (LTM) is -3.8%, FCF/Rev LTMFree Cash Flow / Revenue (Sales), Last Twelve Months (LTM) is -10.0%

Valuation, Metrics & Events

BYRN Stock


Why The Stock Moved


Qualitative Assessment

AI Generated Analysis | Feedback

Here are five key points highlighting factors that may have contributed to Byrna Technologies' (BYRN) stock movement of -10.2% between August 31, 2025, and December 4, 2025:

1. Significant Decrease in Cash and Cash Equivalents: Byrna Technologies reported a notable decrease in cash, cash equivalents, and marketable securities, which totaled $9.0 million at August 31, 2025, down from $25.7 million at November 30, 2024. This reduction was primarily attributed to changes in working capital, stemming from increased inventory and accounts receivable.

2. Substantial Increase in Inventory: The company's inventory rose significantly to $34.1 million as of August 31, 2025, compared to $20.0 million at November 30, 2024. While management stated this reflected strategic builds ahead of the holiday season and the rollout of the Compact Launcher, such a large increase can tie up capital and raise concerns about inventory management or potential obsolescence if sales do not meet expectations.

Show more

Stock Movement Drivers

Return vs. Risk


Price Returns Compared

 202020212022202320242025Total [1]
Returns
BYRN Return85%3608%-41%-18%351%-37%9196%
Peers Return-11%-2%-3%14%-2%47%40%
S&P 500 Return16%27%-19%24%23%16%112%

Monthly Win Rates [3]
BYRN Win Rate33%25%42%42%58%40% 
Peers Win Rate8%8%10%12%5%31% 
S&P 500 Win Rate58%75%42%67%75%70% 

Max Drawdowns [4]
BYRN Max Drawdown-13%0%-66%-71%-13%-48% 
Peers Max Drawdown-15%-5%-7%-0%-2%-0% 
S&P 500 Max Drawdown-31%-1%-25%-1%-2%-15% 


[1] Cumulative total returns since the beginning of 2020
[2] Peers: FLY, ATRO, BETA, DFSC, PEW.
[3] Win Rate = % of calendar months in which monthly returns were positive
[4] Max drawdown represents maximum peak-to-trough decline within a year
[5] 2025 data is for the year up to 12/3/2025 (YTD)

How Low Can It Go

Unique KeyEventBYRNS&P 500
2022 Inflation Shock2022 Inflation Shock  
2022 Inflation Shock% Loss% Loss-92.5%-25.4%
2022 Inflation Shock% Gain to Breakeven% Gain to Breakeven1234.8%34.1%
2022 Inflation ShockTime to BreakevenTime to Breakeven454 days464 days
2020 Covid Pandemic2020 Covid Pandemic  
2020 Covid Pandemic% Loss% Loss-38.1%-33.9%
2020 Covid Pandemic% Gain to Breakeven% Gain to Breakeven61.5%51.3%
2020 Covid PandemicTime to BreakevenTime to Breakeven45 days148 days
2008 Global Financial Crisis2008 Global Financial Crisis  
2008 Global Financial Crisis% Loss% Loss-95.1%-56.8%
2008 Global Financial Crisis% Gain to Breakeven% Gain to Breakeven1946.7%131.3%
2008 Global Financial CrisisTime to BreakevenTime to Breakeven4291 days1480 days

Compare to FLY, ATRO, BETA, DFSC, PEW


In The Past

Byrna Technologies's stock fell -92.5% during the 2022 Inflation Shock from a high on 8/26/2021. A -92.5% loss requires a 1234.8% gain to breakeven.

Preserve Wealth

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Asset Allocation

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About Byrna Technologies (BYRN)

Better Bets than Byrna Technologies (BYRN)

Trade Ideas

Select past ideas related to BYRN. For more, see Trefis Trade Ideas.

Unique KeyDateTickerCompanyCategoryTrade Strategy6M Fwd Rtn12M Fwd Rtn12M Max DD
CNM_11212025_Dip_Buyer_FCFYield11212025CNMCore & MainDip BuyDB | FCFY OPMDip Buy with High FCF Yield and High Margin
Buying dips for companies with high FCF yield and meaningfully high operating margin
7.3%7.3%-1.6%
VRRM_11212025_Dip_Buyer_FCFYield11212025VRRMVerra MobilityDip BuyDB | FCFY OPMDip Buy with High FCF Yield and High Margin
Buying dips for companies with high FCF yield and meaningfully high operating margin
2.3%2.3%-1.2%
LII_11212025_Dip_Buyer_ValueBuy11212025LIILennox InternationalDip BuyDB | P/E OPMDip Buy with Low PE and High Margin
Buying dips for companies with tame PE and meaningfully high operating margin
4.8%4.8%0.0%
ADP_11212025_Monopoly_xInd_xCD_Getting_Cheaper11212025ADPAutomatic Data ProcessingMonopolyMY | Getting CheaperMonopoly-Like with P/S Decline
Large cap with monopoly-like margins or cash flow generation and getting cheaper based on P/S multiple
1.6%1.6%-1.2%
CW_11212025_Quality_Momentum_RoomToRun_10%11212025CWCurtiss-WrightQualityQ | Momentum | UpsideQuality Stocks with Momentum and Upside
Buying quality stocks with strong momentum but still having room to run
2.2%2.2%0.0%
Unique KeyDateTickerCompanyCategoryTrade Strategy6M Fwd Rtn12M Fwd Rtn12M Max DD
CNM_11212025_Dip_Buyer_FCFYield11212025CNMCore & MainDip BuyDB | FCFY OPMDip Buy with High FCF Yield and High Margin
Buying dips for companies with high FCF yield and meaningfully high operating margin
7.3%7.3%-1.6%
VRRM_11212025_Dip_Buyer_FCFYield11212025VRRMVerra MobilityDip BuyDB | FCFY OPMDip Buy with High FCF Yield and High Margin
Buying dips for companies with high FCF yield and meaningfully high operating margin
2.3%2.3%-1.2%
LII_11212025_Dip_Buyer_ValueBuy11212025LIILennox InternationalDip BuyDB | P/E OPMDip Buy with Low PE and High Margin
Buying dips for companies with tame PE and meaningfully high operating margin
4.8%4.8%0.0%
ADP_11212025_Monopoly_xInd_xCD_Getting_Cheaper11212025ADPAutomatic Data ProcessingMonopolyMY | Getting CheaperMonopoly-Like with P/S Decline
Large cap with monopoly-like margins or cash flow generation and getting cheaper based on P/S multiple
1.6%1.6%-1.2%
CW_11212025_Quality_Momentum_RoomToRun_10%11212025CWCurtiss-WrightQualityQ | Momentum | UpsideQuality Stocks with Momentum and Upside
Buying quality stocks with strong momentum but still having room to run
2.2%2.2%0.0%

Recent Active Movers

Recent Active Movers

More From Trefis

Peer Comparisons for Byrna Technologies

Peers to compare with:

Financials

BYRNFLYATROBETADFSCPEWMedian
NameByrna Te.Firefly .AstronicsBETA Tec.DEFSEC T.GrabAGun. 
Mkt Price18.3118.5551.7229.503.543.5618.43
Mkt Cap0.4-1.8---1.1
Rev LTM111101831-4-106
Op Inc LTM12-21150--9-2
FCF LTM-11-19951--9--10
FCF 3Y Avg-2-8--11--2
CFO LTM-4-16574--9--7
CFO 3Y Avg1-22--10-1

Growth & Margins

BYRNFLYATROBETADFSCPEWMedian
NameByrna Te.Firefly .AstronicsBETA Tec.DEFSEC T.GrabAGun. 
Rev Chg LTM51.0%-6.2%-166.4%-51.0%
Rev Chg 3Y Avg40.4%-19.5%-94.3%-40.4%
Rev Chg Q35.1%-3.8%-330.2%-35.1%
QoQ Delta Rev Chg LTM7.1%-0.9%-35.8%-7.1%
Op Mgn LTM10.8%-209.3%6.0%--209.1%--101.6%
Op Mgn 3Y Avg-1.4%-2.2%--699.5%--1.4%
QoQ Delta Op Mgn LTM1.2%-1.7%-86.7%-1.7%
CFO/Rev LTM-3.8%-164.1%8.9%--212.3%--84.0%
CFO/Rev 3Y Avg0.6%-2.5%--716.7%-0.6%
FCF/Rev LTM-10.0%-197.5%6.1%--216.3%--103.8%
FCF/Rev 3Y Avg-3.4%-0.8%--777.8%--3.4%

Valuation

BYRNFLYATROBETADFSCPEWMedian
NameByrna Te.Firefly .AstronicsBETA Tec.DEFSEC T.GrabAGun. 
Mkt Cap0.4-1.8---1.1
P/S4.5-1.9---3.2
P/EBIT42.0-32.3---37.1
P/E31.4--523.2----245.9
P/CFO-118.5-22.0----48.3
Total Yield3.2%--0.2%---1.5%
Dividend Yield0.0%-0.0%---0.0%
FCF Yield 3Y Avg-4.0%--0.5%----2.2%
D/E0.0-0.2---0.1
Net D/E-0.0-0.2---0.1

Returns

BYRNFLYATROBETADFSCPEWMedian
NameByrna Te.Firefly .AstronicsBETA Tec.DEFSEC T.GrabAGun. 
1M Rtn-8.3%-22.0%6.1%--10.6%-20.0%-10.6%
3M Rtn-9.8%-58.2%40.5%-19.6%-33.0%-9.8%
6M Rtn-30.8%-61.1%---15.1%
12M Rtn-4.4%-215.2%---105.4%
3Y Rtn106.4%-466.5%---286.5%
1M Excs Rtn-8.2%-22.0%6.1%--10.6%-20.0%-10.6%
3M Excs Rtn-8.7%-62.0%27.1%-13.0%-42.0%-8.7%
6M Excs Rtn-45.5%-46.4%---0.4%
12M Excs Rtn-18.8%-206.7%---93.9%
3Y Excs Rtn45.7%-493.7%---269.7%

Financials

Segment Financials

Revenue by Segment

$ Mil20242023202220212020
Single Segment434842  
40mm   00
Byrna®   161
Total434842171


Price Behavior

Short Interest

Short Interest: As Of Date11142025
Short Interest: Shares Quantity4,002,700
Short Interest: % Change Since 103120254.1%
Average Daily Volume431,755
Days-to-Cover Short Interest9.27
Basic Shares Quantity22,691,574
Short % of Basic Shares17.6%

SEC Filings

Expand for More

Report DateFiling DateFiling
83120251009202510-Q 8/31/2025
5312025710202510-Q 5/31/2025
2282025410202510-Q 2/28/2025
11302024207202510-K 11/30/2024
83120241011202410-Q 8/31/2024
5312024709202410-Q 5/31/2024
2292024405202410-Q 2/29/2024
11302023214202410-K 11/30/2023
83120231012202310-Q 8/31/2023
5312023711202310-Q 5/31/2023
2282023414202310-Q 2/28/2023
11302022209202310-K 11/30/2022
83120221003202210-Q 8/31/2022
5312022707202210-Q 5/31/2022
2282022406202210-Q 2/28/2022
11302021211202210-K 11/30/2021