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Aeluma (ALMU) earnings and revenue breakdown

Latest: Q4 FY26 · 10-K filed Sep 16, 2026 · Aeluma (ALMU) Q4 FY26 earnings results →

Q4 FY26 Revenue down 56% year over year to $582K · 690¢ of every $1 of revenue lost · operating margin -84.7%

Aeluma made $582K in Q4 FY26 (-56% Y/Y). Operating margin -84.7%, net loss $4.0M. See where every dollar goes — costs, profit and cash — as a Sankey from the 10-K filed Sep 16, 2026.

Revenue$582K
Year over year-56%
Operating margin-84.7%
Net earnings−$4.0M
Operating cash flow−$1.6M

Drawing the Sankey…

Open the interactive Sankey → click any line for what the company wrote about it, compare Y/Y and Q/Q, export as PNG or PDF

What changed this quarter

Revenue was $582K in Q4 FY26, down 56% year over year and down 52% from the previous quarter.

Operating costs exceeded revenue by $493K, an operating margin of -84.7%. The quarter ended with a net loss of $4.0M, wider than the previous quarter's $1.8M loss. Net interest and other expense of $3.5M was the main reason.

Operating cash flow was −$1.6M. Non-cash charges added back $126K of depreciation and amortization and $1.3M of share-based compensation. Working capital and other items added $1.0M. Capital expenditures of $207K exceeded it, leaving free cash flow of −$1.8M.

Quarterly history

Aeluma revenue by quarterAeluma revenue by quarter$1.6MQ2 FY25$1.3MQ3 FY25$1.3MQ4 FY25$1.4MQ1 FY26$1.3MQ2 FY26$1.2MQ3 FY26$582KQ4 FY26
Aeluma net earnings by quarterAeluma net earnings by quarter−$2.9MQ2 FY25$1.5MQ3 FY25−$858KQ4 FY25−$1.5MQ1 FY26−$1.9MQ2 FY26−$1.8MQ3 FY26−$4.0MQ4 FY26
QuarterFormFiledRevenueY/YOp. marginNet earningsOp. cash flow
Q4 FY2610-KSep 16, 2026$582K-56%-84.7%−$4.0M−$1.6M
Q3 FY2610-QMay 13, 2026$1.2M-3%-273.9%−$1.8M−$577K
Q2 FY2610-QFeb 11, 2026$1.3M-21%-163.6%−$1.9M−$251K
Q1 FY2610-QNov 12, 2025$1.4M+188%-116.1%−$1.5M−$815K
Q4 FY2510-KSep 9, 2025$1.3M+371%-73.6%−$858K−$65K
Q3 FY2510-QMay 9, 2025$1.3M+265%-66.3%$1.5M$249K
Q2 FY2510-QFeb 11, 2025$1.6M+513%24.1%−$2.9M−$401K

Charts

Aeluma: revenue growth, year over year and quarter over quarterAeluma: revenue growth, year over year and quarter over quarterY/YQ/Q+400%Q2 FY25+265%-22%Q3 FY25+371%+5%Q4 FY25+188%+5%Q1 FY26-21%-8%Q2 FY26-3%-4%Q3 FY26-56%-52%Q4 FY26
Latest (Q4 FY26): Y/Y -56%, Q/Q -52%.
Aeluma: where the cash came from (+) and went (−), FY26Aeluma: where the cash came from (+) and went (−), FY26Shares issued$43.6MCash drawn (+) / kept (−)−$40.3MOperating cash flow−$3.3MCapital spending−$646KOther financing$596K
From the cash-flow statement as filed (SEC XBRL). Cash is fungible: the bars do not say which dollar paid for what.
Aeluma: profit against cash, quarter by quarterAeluma: profit against cash, quarter by quarterNet incomeOperating cash flow−$730K−$931KQ1 FY25−$2.9M−$401KQ2 FY25$1.5M$249KQ3 FY25−$858K−$65KQ4 FY25−$1.5M−$815KQ1 FY26−$1.9M−$251KQ2 FY26−$1.8M−$577KQ3 FY26−$4.0M−$1.6MQ4 FY26
Latest (Q4 FY26): Net income −$4.0M, Operating cash flow −$1.6M.
Aeluma: diluted shares by fiscal yearAeluma: diluted shares by fiscal year11MFY2211MFY2312MFY2413MFY2518MFY26
+65.9% since FY22: more shares outstanding (issuance, stock pay).
Aeluma in its industry: growth against margin (80 companies, SIC 3674)Aeluma in its industry: growth against margin (80 companies, SIC 3674)revenue growth, year over year →↑ operating marginmedian +36%median 11%NVDAMUAVGOINTCAMDAMATTXNADINXPIMRVLAMKRONMCHPQARMFSLRMPWRNXTSWKSQorvo, Inc.UCTTALABPENGCRUSDIODCRDOVIAVMTSIOSISSMTCKLICARRYICHRSEDGSITMSYNAENPHLSCCIPGPFORMALGMAAOITESLABRMBSMXLPLABSHLSCBRSAOSLSkyWater Technology, LLCWOLFPOWINLSTAMBALASRAXTIINDIMXAMBQFTCIAIPTYGOLPTHMRAMNVTSKOPNBZAIGUERLEDSGSITNVECSODIQUIKPRSOGCTSMOBXASTIIPWRALMU (-56%, -85%)
Semiconductors & Related Devices; dot size is quarterly revenue; dashed lines are the industry's medians.

Interactive views

The same charts as the app — open one to draw it.

💵Where each $1 goesinteractive

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🌏Named in Asian annual reportsinteractive

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🔄Rotation against the market and its industry (RRG)interactive

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🔍Earnings qualityinteractive

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⚖️Fair value by methodinteractive

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🔭Outlook & guidanceinteractive

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📈Investments: gains and what it boughtinteractive

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🏭Its industry’s money flow (input-output)interactive

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About Aeluma

Aeluma, Inc. (together with our subsidiary, “we,” “our,” “us,” or the “Company”) develops high-performance photonic and electronic technologies for communications and sensing in telecom, artificial intelligence (“AI”) datacom, mobile, defense and aerospace, robotics, automotive, augmented reality/virtual reality (“AR/VR”), and quantum applications. Our proprietary platform combines compound semiconductor materials with large-diameter substrates to leverage manufacturing infrastructure used in high-volume microelectronics. Our technology and product development activities have focused on photodetectors, photodetector arrays, lasers, optical amplifiers, and other technologies. Our photodetectors and photodetector arrays can detect near-infrared (“NIR”) and shortwave infrared (“SWIR”) light. Our lasers and optical amplifiers are primarily based on quantum dot technology.

In its own words, from its 10-K, filed Sep 16, 2026.

Aeluma against its Semiconductors & Related Devices peers

The largest companies of the same SEC industry, each at its latest quarter. Revenue growth: -56% against the peers' median +40%. Operating margin: -84.7% against the peers' median 40.1%.

CompanyQuarterRevenueY/YOp. margin
ALMU AelumaQ4 FY26$582K-56%-84.7%
NVDA NVIDIAQ2 FY27$96.2B+106%66.2%
MU Micron TechnologyQ4 FY26$54.2B+379%80.7%
AVGO BroadcomQ3 FY26$29.6B+86%53.9%
INTC IntelQ3 2026$16.5B+21%15.3%
AMD Advanced Micro DevicesQ3 2026$13.4B+45%21.2%
AMAT Applied MaterialsQ3 FY26$9.1B+25%33.7%
TXN Texas InstrumentsQ3 2026$6.1B+28%47.5%
ADI Analog DevicesQ3 FY26$4.0B+40%40.1%

Source: Aeluma 10-K on SEC EDGAR · CIK 1828805 · Semiconductors & Related Devices

13F: who owns ALMU and who is buying

Largest holders of ALMU (13F)Largest holders of ALMU (13F)BlackRock$21.5MD. E. Shaw$17.6MVanguard Group$14.7MVanguard Capital Management LLC$12.7MMillennium Management LLC$11.7MGeode Capital Management, LLC$7.0MState Street$5.6MApis Capital Advisors, LLC$4.3MNorthern Trust$2.7MVanguard Portfolio Management LLC$2.5M
Funds' net buying of ALMU by quarter (13F)Funds' net buying of ALMU by quarter (13F)$3.3M2025-03$26.3M2025-06$21.2M2025-09$7.2M2025-12$11.5M2026-03$14.8M2026-06
Value of shares 13F filers added minus the value they sold, each quarter (quarters with most filings in).

More on ALMU

History

Every quarter: Q4 FY26 results · Q3 FY26 results · Q2 FY26 results · Q1 FY26 results · Q4 FY25 results · Q3 FY25 results · Q2 FY25 results

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