Phio Pharmaceuticals Ownership | Who Owns Phio Pharmaceuticals?
Phio Pharmaceuticals Ownership Summary
Phio Pharmaceuticals is owned by 5.57% institutional investors, 3.94% insiders, and 90.49% retail investors. Scientech research is the largest institutional shareholder, holding 0% of PHIO shares. Fidelity Extended Market Index is the top mutual fund, with 0.91% of its assets in Phio Pharmaceuticals shares.
PHIO Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Phio Pharmaceuticals | 5.57% | 3.94% | 90.49% |
| Sector | Healthcare Stocks | 246.48% | 12.12% | -158.60% |
| Industry | Biotech Stocks | 384.82% | 11.76% | -296.58% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Scientech research | - | - | - |
| Nbc securities | - | - | - |
| Gsa capital partners llp | - | - | - |
| Two sigma securities | - | - | - |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Scientech research | - | - | - |
| Nbc securities | - | - | - |
| Gsa capital partners llp | - | - | - |
| Two sigma securities | - | - | - |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Nbc securities | - | - | -1.07K |
| Two sigma securities | - | - | -15.22K |
| Gsa capital partners llp | - | - | -19.86K |
| Scientech research | - | - | -30.03K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Scientech research | - | - | -30.03K |
| Gsa capital partners llp | - | - | -19.86K |
| Two sigma securities | - | - | -15.22K |
| Nbc securities | - | - | -1.07K |
Sold Out
| Holder | Change |
|---|---|
| Nbc securities | -1.07K |
| Two sigma securities | -15.22K |
| Gsa capital partners llp | -19.86K |
| Scientech research | -30.03K |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2026 | 24 | - | 647,127 | -3.20% | 5 | 16.82% | 10 | -47.37% | 8 | - |
| Mar 31, 2026 | 24 | - | 668,490 | - | 5 | - | 24 | - | - | - |
| Jun 30, 2025 | 11 | - | 164,722 | - | 3 | - | 11 | - | - | - |
| Dec 31, 2022 | 11 | -15.38% | 575,219 | -20.85% | 4 | 14.91% | 3 | -57.14% | 7 | 75.00% |
| Sep 30, 2022 | 13 | 30.00% | 726,716 | -6.72% | 5 | 16.35% | 7 | 133.33% | 4 | -33.33% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Fidelity Extended Market Index | 105.81K | 0.91% | 44.46K |
| Macquarie Healthcare I | 50.00K | 0.87% | - |
| Vanguard Institutional Extnd Mkt Idx Tr | 94.26K | 0.81% | - |
| Nomura Healthcare Fund Class I | 50.00K | 0.43% | - |
| Spartan Extended Market Index Pool E | 7.45K | 0.18% | 7.41K |
| Spartan Extended Market Index Pool F | 17.59K | 0.15% | 116.00 |
| NT Ext Equity Mkt Idx Fd - L | 15.35K | 0.13% | - |
| Fidelity Series Total Market Index | 14.66K | 0.13% | - |
| Fidelity Total Market Index | 13.29K | 0.11% | - |
| Northern Trust Extended Eq Market Idx | 12.61K | 0.11% | -2.74K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Sep 29, 2026 | Plott Ronald Todd | - | Buy | $5.20K |
| Sep 28, 2026 | Plott Ronald Todd | - | Buy | $5.15K |
| Sep 24, 2026 | BRADFORD PATRICIA A | - | Buy | $6.58K |
| Sep 22, 2026 | Bitterman Robert J | Chairman, Pres. & CEO | Buy | $2.06K |
| Sep 15, 2026 | BRADFORD PATRICIA A | - | Buy | $12.36K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q3 | 7 | - |
| 2026 Q2 | 1 | - |
| 2026 Q1 | - | - |
| 2025 Q4 | 4 | - |
| 2025 Q3 | - | - |
PHIO Ownership FAQ
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