Latest Period
Q4 2025
Security Snapshot
Phio Pharmaceuticals Corp. - Common Stock, $0.0001 par value per share (PHIO) Institutional Ownership
CUSIP: 71880W501
13F Institutional Holders and Ownership History from Q3 2024 to Q1 2026
Institutions Reporting
17
Shares (Excl. Options)
363,848
Price
$1.05
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- Type / Class
- Equity / Common Stock, $0.0001 par value per share
- Symbol
- PHIO on Nasdaq
- Shares outstanding
- 12,067,869
- Price per share
- $1.22
- All holders as of 31 Dec 2025
- Q4 2025
- Total 13F shares
- 363,848
- Total reported value
- $382,314
- % of total 13F portfolios
- 0%
- Share change
- +175,775
- Value change
- +$184,258
- Number of holders
- 17
- Price from insider filings
- $1.22
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Quick Takeaways
- PHIO - Phio Pharmaceuticals Corp. - Common Stock, $0.0001 par value per share is tracked under CUSIP 71880W501.
- 17 institutions reported positions in Q4 2025.
- 3 significant owners is listed from Schedule 13D/13G reporting.
What Changed
- Holder count moved from 17 to 2 between Q4 2025 and Q1 2026.
- Reported value moved from $382,314 to $1,321.
Why This Matters
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Source Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 17 institutions filings for Q4 2025.
Investment Quick Answers
What is CUSIP 71880W501?
CUSIP 71880W501 identifies PHIO - Phio Pharmaceuticals Corp. - Common Stock, $0.0001 par value per share in SEC 13F datasets.
Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.
Next ownership checks
Use the next link that matches the question you still need to answer about this security.
- Latest 13F filings when you want to inspect fresh institutional portfolio moves.
- Latest Schedule 13D/13G reports when you need large-owner changes outside the 13F cycle.
- All institutional ownership pages to compare this security with other holder-history pages.
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 71880W501:
Significant Owners of Phio Pharmaceuticals Corp. - Common Stock, $0.0001 par value per share (PHIO) based on Schedule 13D/G filings
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| CVI Investments, Inc. | 9.9% | 0% | $1,409,768 | +$544,422 | 1,194,719 | +63% | CVI Investments, Inc. | 31 Dec 2025 |
| INTRACOASTAL CAPITAL, LLC | 9.1% | +30% | $1,348,216 | +$840,816 | 1,142,556 | +166% | Mitchell P. Kopin | 31 Dec 2025 |
| Orca Capital AG | 4.9% | -23% | $770,351 | -$231,251 | 538,707 | -23% | Orca Capital AG | 08 Dec 2025 |
As of 31 Dec 2025, 17 institutional investors reported holding 363,848 shares of Phio Pharmaceuticals Corp. - Common Stock, $0.0001 par value per share (PHIO). This represents 3% of the company’s total 12,067,869 outstanding shares.
Institutional Holders of Phio Pharmaceuticals Corp. - Common Stock, $0.0001 par value per share (PHIO) across Reporting Periods
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 1,083 | $1,321 | +$1,310 | $1.22 | 2 |
| 2025 Q4 | 363,848 | $382,314 | +$184,258 | $1.05 | 17 |
| 2025 Q3 | 188,486 | $467,442 | +$59,965 | $2.48 | 11 |
| 2025 Q2 | 164,722 | $387,355 | +$164,978 | $2.35 | 11 |
| 2025 Q1 | 100,618 | $130,801 | -$133,237 | $1.30 | 10 |
| 2024 Q4 | 153,843 | $277,072 | +$183,357 | $1.80 | 10 |
| 2024 Q3 | 28,506 | $98,345 | +$98,345 | $3.45 | 6 |