Phio Pharmaceuticals Corp. 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.
- Insiders3 buying, 0 selling12 purchases and 0 sales by directors and officers, last 12 monthsInsider trades
- Funds10 adding, 12 cuttingOf 3 active managers that changed their stake, 2 added; quarter to June 30, 2026Fund buyers and sellers
The Fundamentalytics view
Current signal Several insiders buying shares: 3 insiders bought shares in the open market in the past 90 days, according to their Form 4 filings.
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 Phio Pharmaceuticals Corp.'s latest figures clears our strength thresholds.
Things to watch
- Results due soon. Results are expected around 12 November; the share price can move sharply on the day.
- Volatile shares. Over the past year the shares showed annualised volatility of 80% and a beta of 1.2 against the S&P 500.
- Missing expectations. Earnings per share fell short of the consensus estimate in 3 of the last four quarters.
Latest results
- Earnings per share
- -$0.36 against an average estimate of -$0.36: beat by 0.0%
- Share reaction
- -2.8% in the first session after the results on August 6, 2026, against +0.5% for the S&P 500
Price chart
- 1 day+2.3%
- 1 week+3.5%
- 1 month-10.7%
- This year-16.2%
- 1 year-57.1%
- 5 years-99.5%
- S&P 500 this year+11.2%
Loading chart…
Third-party market data · may be delayed
At a glance
Earnings
- Last results
- August 6, 2026
- Next results (est.)
- November 12, 2026
News & updates
Company announcements, filed results and changes that matter to shareholders.
- AnnouncementSEC 8-KRead source ↗
- Leadership
Phio Pharmaceuticals Corp. announced a director or officer change; reported shareholder vote results
SEC 8-KRead source ↗ - Announcement
Phio Pharmaceuticals Corp. disclosed a material event
SEC 8-KRead source ↗ - Results
Phio Pharmaceuticals Corp. reported results
SEC 8-KRead source ↗ - Leadership
Phio Pharmaceuticals Corp. announced a director or officer change; disclosed a material event
SEC 8-KRead source ↗
No model value for Phio Pharmaceuticals Corp. at the moment. Current status: limited reported history: available models are shown without a Buy/Hold/Sell rating. Available reported financials are shown below.
Valuation models
We value Phio Pharmaceuticals Corp. as an operating company, with every model that fits that kind of business. Cost of equity 11.1%: the 10-year Treasury yield (4.9%) plus a beta of 1.38 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: no twelve-month earnings or share count in the filings yet |
| Residual income Book value plus the present value of returns above the cost of equity, fading over ten years. | — | Does not apply: no twelve-month earnings or share count in the filings yet |
| Justified price-to-book Book value times (return on equity - growth) / (cost of equity - growth): steady-state returns. | — | Does not apply: no twelve-month earnings or share count in the filings yet |
| 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: revenue and margins don't support a positive value |
| Price-to-sales vs peers Sales per share times peers' typical price-to-sales; used only when earnings are negative. | — | Does not apply: no twelve-month earnings or share count in the filings yet |
| Combined value Weighted average of the models that apply: the primary model (price-to-earnings vs peers) counts double. Models more than 5x or less than 0.2x the share price, or more than 3x away from the other models' median, are left out. | — | No model applies: the filings don’t yet support a value. |
Different models fail in different ways, so where several apply we average them rather than trust one. Peer-based models compare Phio Pharmaceuticals Corp. 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
Analysts' consensus
| Fiscal year | EPS | Growth | Revenue | Growth |
|---|---|---|---|---|
| Current | −$1.45 | +0% | — | 0% |
| Next | −$0.61 | +58% | — | 0% |
How the EPS forecast has moved
The consensus EPS forecast for the current fiscal year is +5.1% on 90 days ago. In the last 30 days, 0 analysts raised Phio Pharmaceuticals Corp.'s forecast and 2 cut it.
Average of analysts' published estimates (third-party data).
View chart data
| Period | Current fiscal year | Next fiscal year |
|---|---|---|
| 90 days ago | −$1.38 | −$0.86 |
| 60 days ago | −$1.38 | −$0.86 |
| 30 days ago | −$1.42 | −$0.63 |
| 7 days ago | −$1.45 | −$0.61 |
| Now | −$1.45 | −$0.61 |
Earnings against estimates
| Quarter to | Estimate | Actual | Surprise |
|---|---|---|---|
| Jun 2026 | −$0.36 | −$0.36 | 0.0% |
| Mar 2026 | −$0.23 | −$0.34 | −44.7% |
| Dec 2025 | −$0.47 | −$0.15 | +68.1% |
| Sept 2025 | −$0.44 | −$0.44 | 0.0% |
Adjusted EPS as companies report it, against the average analyst estimate.
Positioning
- Short interest
- 1.2% of tradable shares
- Days to cover
- 1.3 at average volume
- Short interest, 1 month
- −9% to October 15, 2026
- Held by institutions
- 10% of shares
- Held by insiders
- 8.0% of shares
- Employees
- 6 full time
Share-price performance
Market data may be delayedReturn and risk by year
| Calendar year | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 to date |
|---|---|---|---|---|---|---|
| Return | ||||||
| PHIO | −63% | −63% | −83% | −74% | −42% | −16% |
| Industry peers (median) | −35% | −56% | −17% | −28% | −5% | −27% |
| S&P 500 | +29% | −18% | +26% | +25% | +18% | +11% |
| Months that ended higher | ||||||
| PHIO | 25% | 25% | 25% | 33% | 50% | 36% |
| S&P 500 | 75% | 42% | 67% | 75% | 75% | 46% |
| Largest fall from a high during the year | ||||||
| PHIO | −76% | −86% | −90% | −82% | −85% | −49% |
| S&P 500 | −5% | −25% | −10% | −8% | −19% | −9% |
Worst fall since November 3, 2015: 100% from November 6, 2015 to October 26, 2026. Getting back needed a 31167429% gain, and the shares have not yet recovered.
Price behaviour
- 52-week range
- $0.85 – $1.86
- From 52-week high
- −52.7%
- vs 50-day average
- −11.7%
- vs 200-day average
- −19.0%
- Volatility (1 year)
- 80%
- Beta vs S&P 500
- 1.20
Share price after results
- Next day
- 2 up, 10 down typical move ±5.4%
- After a week
- 5 up, 7 down typical move ±9.5%
- After a month
- 7 up, 5 down typical move ±18.4%
| Results released | Next day | S&P 500 next day | 5 days | 21 days |
|---|---|---|---|---|
| August 6, 2026 | −2.8% | +0.5% | +1.9% | +0.9% |
| May 7, 2026 | −7.0% | +0.5% | −2.6% | −5.2% |
| March 5, 2026 | +0.9% | −1.9% | +8.7% | +9.6% |
| November 13, 2025 | −17.7% | −1.7% | −24.7% | −31.0% |
| August 14, 2025 | −0.5% | −0.2% | −5.5% | −2.7% |
| May 15, 2025 | −1.1% | +1.1% | −1.1% | +33.3% |
| March 31, 2025 | −4.7% | +1.0% | −20.2% | +48.8% |
| November 14, 2024 | −6.0% | −1.9% | +7.7% | +20.9% |
| August 14, 2024 | −1.5% | +2.0% | +17.6% | +25.6% |
| May 9, 2024 | −11.9% | +0.7% | −8.5% | −5.2% |
| April 2, 2024 | +5.1% | −0.5% | +2.1% | +14.3% |
| November 9, 2023 | −5.3% | +0.8% | −14.0% | −22.8% |
Fundamentals
Who owns it
Funds buying and selling- Reported value
- $662,564
- Institutions reporting
- 24
- Shares held vs prior quarter
- ▼ 3.2%
- Positions opened / closed
- 4 / 4
| Manager | Value | Shares | Share of 13F value | Shares QoQ |
|---|---|---|---|---|
| Jane Street Group, LLC | $120,699 | 118K | 18.2% | ▼ 1.2% |
| Geode Capital Management, LLC | $117,437 | 115K | 17.7% | ▼ 22.2% |
| Vanguard Capital Management LLC | $96,619 | 94K | 14.6% | ▲ 18.0% |
| Nomura Asset Management International Inc. | $51,000 | 50K | 7.7% | New |
| Cetera Investment Advisers | $48,688 | 48K | 7.3% | ▲ 5.6% |
| Citadel Advisors LLC | $48,329 | 47K | 7.3% | New |
| Vanguard Fiduciary Trust Co | $39,123 | 38K | 5.9% | 0.0% |
| Northern Trust Corp | $28,462 | 28K | 4.3% | ▲ 16.9% |
| Two Sigma Investments, LP | $22,039 | 22K | 3.3% | ▼ 33.8% |
| Xtx Topco Ltd | $18,937 | 18K | 2.9% | ▼ 25.7% |
| HRT Financial LP | $13,000 | 13K | 2.0% | ▼ 62.0% |
| Bridgeway Capital Management, LLC | $12,300 | 12K | 1.9% | New |
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 Phio Pharmaceuticals Corp.'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 |
|---|---|---|---|---|---|
| Plott Ronald Todd Director | September 29, 2026 | Buy | 5,000 | $1.04 | $5,200 |
| Plott Ronald Todd Director | September 28, 2026 | Buy | 5,000 | $1.03 | $5,150 |
| Bradford Patricia A Director | September 24, 2026 | Buy | 6,500 | $1.01 | $6,565 |
| Bitterman Robert J Chairman, Pres. & CEO | September 22, 2026 | Buy | 2,000 | $1.03 | $2,060 |
| Bradford Patricia A Director | September 15, 2026 | Buy | 12,000 | $1.03 | $12,360 |
| Plott Ronald Todd Director | August 19, 2026 | Buy | 15,000 | $1.14 | $17,100 |
| Bitterman Robert J Chairman, Pres. & CEO | August 18, 2026 | Buy | 10,000 | $1.06 | $10,600 |
| Bitterman Robert J Chairman, Pres. & CEO | June 26, 2026 | Buy | 10,000 | $0.99 | $9,900 |
| Bitterman Robert J Chairman, Pres. & CEO | December 31, 2025 | Buy | 5,000 | $1.03 | $5,150 |
| Bitterman Robert J Chairman, Pres. & CEO | December 23, 2025 | Buy | 5,000 | $1.02 | $5,100 |
| Bitterman Robert J Chairman, Pres. & CEO | November 21, 2025 | Buy | 5,000 | $1.14 | $5,700 |
| Bitterman Robert J Chairman, Pres. & CEO | November 18, 2025 | Buy | 5,000 | $1.27 | $6,350 |
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 12, 2026 estimated from the company's past filing pattern, not announced
- August 6, 2026
- May 7, 2026
- March 5, 2026
- November 13, 2025
- August 14, 2025
- May 15, 2025
Recent SEC filings
- 8-K Current report
- 8-K Current report
- 8-K Current report
- DEF 14A Proxy statement
- 8-K Current report
- 10-Q Quarterly report
- 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 |
Phio Pharmaceuticals Corp. in brief
- What does Phio Pharmaceuticals Corp. do?
- Phio Pharmaceuticals Corp. is a US-listed company in the biotechnology industry. Its financial year ends in December.
- What is Phio Pharmaceuticals Corp.'s stock ticker?
- Phio Pharmaceuticals Corp. trades under the ticker PHIO on Nasdaq. This page brings together its financial statements, valuation models, ownership and recent company updates.
- Who are Phio Pharmaceuticals Corp.'s largest institutional shareholders?
- By value reported in 13F filings for June 30, 2026, the largest reported holders are Jane Street Group, LLC, Geode Capital Management, LLC and Vanguard Capital Management LLC. 13F reports cover long US-listed positions of managers above $100M, filed up to 45 days after quarter end.
- Are insiders buying or selling Phio Pharmaceuticals Corp. stock?
- Over the last 12 months, Phio Pharmaceuticals Corp.'s directors and officers reported 12 open-market purchases and 0 sales on Form 4. The insider trading page charts every trade.
- When is Phio Pharmaceuticals Corp.'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 — Phio Pharmaceuticals Corp. announces its own schedule.
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