Aura Biosciences, Inc. is a US-listed company in the biotechnology industry. Its financial year ends in December.
Who’s trading
What company insiders, investment funds and members of Congress have been doing with the stock, from their own filings.
- Insiders0 buying, 7 selling0 purchases and 11 sales by directors and officers, last 12 monthsInsider trades
- Funds94 adding, 41 cuttingOf 34 active managers that changed their stake, 22 added; quarter to June 30, 2026Fund buyers and sellers
The Fundamentalytics view
Current signal Share count rising (dilution): Diluted shares outstanding rose 42.3% year over year.
Assembled from SEC-filed figures — the full workings are on this page and in our methodology. Observations, not recommendations.
Highlights
How we pick theseStrengths
Nothing in Aura Biosciences, Inc.'s latest figures clears our strength thresholds.
Things to watch
- Results due soon. Results are expected around 10 November; the share price can move sharply on the day.
- Share dilution. Diluted shares rose 42.3% in a year.
- Volatile shares. Over the past year the shares showed annualised volatility of 56% and a beta of 1.0 against the S&P 500.
- Insiders selling. 7 insiders sold $40M of stock over the past 365 days and none bought (0% under pre-set trading plans).
- Heavily shorted. 10.6% of the shares available to trade are sold short (10.2 days of average volume to cover).
- Missing expectations. Earnings per share fell short of the consensus estimate in 2 of the last four quarters.
Latest results
- Earnings per share
- -$0.48 against an average estimate of -$0.38: missed by 28.0%
- Share reaction
- +0.6% in the first session after the results on August 11, 2026, against -0.1% for the S&P 500
- Next report
- November 12, 2026
Price chart
- 1 day-1.8%
- 1 week-2.4%
- 1 month-1.0%
- This year+10.6%
- 1 year-1.6%
- 5 years-66.2%
- S&P 500 this year+11.2%
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Third-party market data · may be delayed
At a glance
Profitability
- EPS (TTM, diluted)
- $-1.77
Growth
- Share count change
- +42.3%
Earnings
- Last results
- August 11, 2026
- Next results (est.)
- November 10, 2026
News & updates
Company announcements, filed results and changes that matter to shareholders.
- ResultsSEC 8-KRead source ↗
- Shareholder vote
Aura Biosciences, Inc. reported shareholder vote results
SEC 8-KRead source ↗ - Leadership
Aura Biosciences, Inc. announced a director or officer change
SEC 8-KRead source ↗
No model value for Aura Biosciences, Inc. at the moment. Current status: limited reported history: available models are shown without a Buy/Hold/Sell rating. Available reported financials are shown below.
The inputs used by the models below have passed source checks. Individual model values are available below and in the interactive valuator. Their differences are shown explicitly; the platform combined value and recommendation remain withheld.
Valuation models
We value Aura Biosciences, Inc. as an operating company, with every model that fits that kind of business. Cost of equity 9.7%: the 10-year Treasury yield (4.9%) plus a beta of 1.06 times a 4.5% equity risk premium.
| Model | Value per share | In the combined value? |
|---|---|---|
| Price-to-earnings vs peers Earnings per share times peers' typical (harmonic-mean) price-to-earnings. | — | Does not apply: This model is withheld pending its input or assumption review. |
| Residual income Book value plus the present value of returns above the cost of equity, fading over ten years. | — | Does not apply: This model is withheld pending its input or assumption review. |
| Justified price-to-book Book value times (return on equity - growth) / (cost of equity - growth): steady-state returns. | — | Does not apply: This model is withheld pending its input or assumption review. |
| Revenue-to-maturity model Revenue grown to maturity with the cash margin moving to the industry's; for companies not yet profitable. | — | Does not apply: This model is withheld pending its input or assumption review. |
| Forward price-to-sales vs peers Next year's consensus sales per share times peers' typical forward price-to-sales; only when earnings are negative. Uses analysts' consensus estimates (third-party data), not our forecasts. | ~$0.1 ~$0.1–$0.6 | Left out: out of range vs price (0.02x) |
| Combined value Individual source-checked model scenarios are available. The platform combined value and recommendation remain withheld. | — | Combined value withheld. Review the individual models and their assumptions. |
Different models fail in different ways, so where several apply we average them rather than trust one. Peer-based models compare Aura Biosciences, Inc. with Biotechnology in our coverage, using third-party market data. Model values are estimates under stated assumptions, updated as new filings arrive; not price targets or investment advice. How each model works.
Moat
Not assessed: fewer than five years of comparable figures in the filings. AI disruption exposure for this industry: Medium.
Forecasts and guidance
Next results: November 12, 2026, before the open. Analysts expect revenue of $0 for the quarter.
Analysts' consensus
| Fiscal year | EPS | Growth | Revenue | Growth |
|---|---|---|---|---|
| Current | −$1.67 | +5% | — | 0% |
| Next | −$1.52 | +9% | $5m | 0% |
How the EPS forecast has moved
The consensus EPS forecast for the current fiscal year is +4.4% on 90 days ago. In the last 30 days, 1 analyst raised Aura Biosciences, Inc.'s forecast and 3 cut it.
Average of analysts' published estimates (third-party data).
View chart data
| Period | Current fiscal year | Next fiscal year |
|---|---|---|
| 90 days ago | −$1.59 | −$1.67 |
| 60 days ago | −$1.59 | −$1.67 |
| 30 days ago | −$1.59 | −$1.67 |
| 7 days ago | −$1.59 | −$1.67 |
| Now | −$1.67 | −$1.52 |
Earnings against estimates
| Quarter to | Estimate | Actual | Surprise |
|---|---|---|---|
| Jun 2026 | −$0.38 | −$0.48 | −28.0% |
| Mar 2026 | −$0.40 | −$0.50 | −25.8% |
| Dec 2025 | −$0.43 | −$0.37 | +13.5% |
| Sept 2025 | −$0.47 | −$0.40 | +14.4% |
Adjusted EPS as companies report it, against the average analyst estimate.
Positioning
- Short interest
- 10.6% of tradable shares
- Days to cover
- 10.19 at average volume
- Short interest, 1 month
- +54% to October 15, 2026
- Held by institutions
- 96% of shares
- Held by insiders
- 2.4% of shares
- Employees
- 113 full time
Share-price performance
Market data may be delayedReturn and risk by year
| Calendar year | 2022 | 2023 | 2024 | 2025 | 2026 to date |
|---|---|---|---|---|---|
| Return | |||||
| AURA | −38% | −16% | −7% | −34% | +11% |
| Industry peers (median) | −57% | −18% | −29% | −5% | −27% |
| S&P 500 | −18% | +26% | +25% | +18% | +11% |
| Months that ended higher | |||||
| AURA | 50% | 25% | 42% | 33% | 55% |
| S&P 500 | 42% | 67% | 75% | 75% | 46% |
| Largest fall from a high during the year | |||||
| AURA | −58% | −47% | −31% | −42% | −33% |
| S&P 500 | −25% | −10% | −8% | −19% | −9% |
Worst fall since October 29, 2021: 80% from November 16, 2021 to May 14, 2025. Getting back needed a 408% gain, and the shares have not yet recovered.
Price behaviour
- 52-week range
- $4.97 – $8.90
- From 52-week high
- −32.2%
- vs 50-day average
- −9.3%
- vs 200-day average
- −10.3%
- Volatility (1 year)
- 56%
- Beta vs S&P 500
- 0.96
Share price after results
- Next day
- 7 up, 5 down typical move ±6.8%
- After a week
- 4 up, 8 down typical move ±10.3%
- After a month
- 3 up, 9 down typical move ±13.1%
| Results released | Next day | S&P 500 next day | 5 days | 21 days |
|---|---|---|---|---|
| August 11, 2026 | +0.6% | −0.1% | +6.0% | −9.2% |
| May 11, 2026 | −5.6% | +0.1% | −11.1% | −27.1% |
| May 4, 2026 | +27.0% | +0.4% | +16.8% | −1.9% |
| March 30, 2026 | +6.7% | +2.6% | +5.7% | +7.3% |
| November 13, 2025 | −0.7% | −1.7% | −3.9% | +13.6% |
| August 13, 2025 | +0.9% | +0.4% | −8.2% | −11.0% |
| May 15, 2025 | +21.4% | +1.1% | +21.2% | +30.6% |
| March 24, 2025 | −5.6% | +2.0% | −21.9% | −23.2% |
| November 12, 2024 | −7.3% | −0.3% | −19.9% | −24.2% |
| August 8, 2024 | +1.3% | +2.8% | −0.1% | −1.8% |
| May 9, 2024 | −1.1% | +0.7% | −2.6% | −2.0% |
| March 27, 2024 | +2.9% | +0.8% | −6.0% | −5.4% |
Fundamentals
Dividends, buybacks and capital spending
- Diluted share count
- +42.3%
- year over year
Who owns it
Funds buying and selling- Reported value
- $698M
- Institutions reporting
- 146
- Shares held vs prior quarter
- ▲ 93.3%
- Positions opened / closed
- 36 / 14
| Manager | Value | Shares | Share of 13F value | Shares QoQ |
|---|---|---|---|---|
| Tcg Crossover Management, LLC | $67.7M | 9.5M | 9.7% | New |
| Montanova Capital, LLC | $51.2M | 7.2M | 7.3% | ▲ 64.8% |
| Frazier Life Sciences Management, L.P. | $50.4M | 7.1M | 7.2% | ▲ 39.2% |
| Nantahala Capital Management, LLC | $41.9M | 5.9M | 6.0% | ▲ 178.7% |
| Long Focus Capital Management, LLC | $36.3M | 5.1M | 5.2% | ▲ 10.8% |
| Blackrock, Inc. | $33.4M | 4.7M | 4.8% | ▲ 31.3% |
| Adage Capital Partners Gp, L.L.C. | $32.9M | 4.6M | 4.7% | ▼ 4.9% |
| Caligan Partners LP | $30.5M | 4.3M | 4.4% | ▲ 1769.9% |
| Vanguard Capital Management LLC | $29.1M | 4.1M | 4.2% | ▲ 82.7% |
| Fcpm Iii Services B.V. | $28.8M | 4.1M | 4.1% | New |
| Orbimed Advisors LLC | $23.7M | 3.3M | 3.4% | New |
| Medicxi Ventures Management (Jersey) Ltd | $21.6M | 3.0M | 3.1% | 0.0% |
From Form 13F filings with the SEC ( quarterly data sets), as reported by each manager for June 30, 2026 and filed up to 45 days later. 13F reports cover long US-listed positions of managers above $100M only, so this is not Aura Biosciences, Inc.'s complete shareholder register. Values are as reported by the filers .
Insider trading activity
Full insider history and chart| Insider | Date | Trade | Shares | Price | Value |
|---|---|---|---|---|---|
| Gibney Anthony S See Remarks | June 16, 2026 | Sell | 12,824 | $6.42 | $82,330 |
| Matrix Capital Management Company, Lp 10% owner | May 7, 2026 | Sell | 6,922,870 | $5.64 | $39M |
| Kilroy Conor See Remarks | April 16, 2026 | Sell | 11,738 | $7.02 | $82,401 |
| De Los Pinos Elisabet See Remarks | February 17, 2026 | Sell | 47,648 | $5.06 | $241,099 |
| Elazzouzi Amy Senior Vice President, Finance | February 17, 2026 | Sell | 8,549 | $5.06 | $43,258 |
| Hopkins Janet Jill Chief Medical Officer | February 17, 2026 | Sell | 20,401 | $5.06 | $103,229 |
| Plavsic Mark Chief Technology Officer | February 17, 2026 | Sell | 15,890 | $5.05 | $80,244 |
| Kilroy Conor See Remarks | February 17, 2026 | Sell | 12,079 | $5.05 | $60,999 |
| De Los Pinos Elisabet See Remarks | January 20, 2026 | Sell | 16,928 | $4.86 | $82,270 |
| Elazzouzi Amy Senior Vice President, Finance | January 20, 2026 | Sell | 1,581 | $4.86 | $7,684 |
| Hopkins Janet Jill Chief Medical Officer | November 17, 2025 | Sell | 17,109 | $5.42 | $92,731 |
From insiders' Form 4 filings with the SEC. Excludes awards, option exercises and shares withheld for tax. "Pre-set plan" means the filing marks the trade as made under a Rule 10b5-1 plan. See every insider trade since five years ago, on a price chart.
Earnings dates and SEC filings
Results announcements
Next expected around November 10, 2026 estimated from the company's past filing pattern, not announced
- August 11, 2026
- May 11, 2026
- May 4, 2026
- March 30, 2026
- November 13, 2025
- August 13, 2025
Recent SEC filings
- S-3 S-3
- 10-Q Quarterly report
- 8-K Current report
- 8-K Current report
- 8-K Current report
- DEF 14A Proxy statement
- 8-K Current report
- 10-Q Quarterly report
Data status
| Data | Last updated | Source |
|---|---|---|
| Share price | Exchange closing prices | |
| News and updates | Company releases and SEC 8-K filings | |
| Analyst estimates | Aggregated analyst estimates | |
| Valuation and scores | Our models, from the filed figures |
Aura Biosciences, Inc. in brief
- What does Aura Biosciences, Inc. do?
- Aura Biosciences, Inc. is a US-listed company in the biotechnology industry. Its financial year ends in December.
- What is Aura Biosciences, Inc.'s stock ticker?
- Aura Biosciences, Inc. trades under the ticker AURA on Nasdaq. This page brings together its financial statements, valuation models, ownership and recent company updates.
- Who are Aura Biosciences, Inc.'s largest institutional shareholders?
- By value reported in 13F filings for June 30, 2026, the largest reported holders are Tcg Crossover Management, LLC, Montanova Capital, LLC and Frazier Life Sciences Management, L.P. 13F reports cover long US-listed positions of managers above $100M, filed up to 45 days after quarter end.
- Are insiders buying or selling Aura Biosciences, Inc. stock?
- Over the last 12 months, Aura Biosciences, Inc.'s directors and officers reported 0 open-market purchases and 11 sales on Form 4. The insider trading page charts every trade.
- When is Aura Biosciences, Inc.'s next earnings date?
- Around November 12, 2026, estimated from the spacing of its past results announcements (8-K filings). That is an estimate, not a confirmed date — Aura Biosciences, Inc. announces its own schedule.
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