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Phio Pharmaceuticals Corp.

PHIO
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001533040

In the last 90 days, Phio Pharmaceuticals Corp. insiders filed 5 open-market purchases and 0 sales; 24 institutions reported holding it in 13F filings for Q2 2026, worth $662.6K in total; no superinvestor holds it.

Q2 2025 vs. Q1 2025

How the institutions holding Phio Pharmaceuticals Corp. changed between Q1 2025 and Q2 2025.

All holders in Q2 2025All holders in Q1 2025

13F holders of PHIO: Q1 2025 compared with Q2 2025
MeasureQ1 2025Q2 2025Change
Holders11110
Shares100.6K164.7K+64.1K (+63.7%)
Value$130.8K$387.4K+$256.5K (+196.1%)

New holders (4)

Institutions that held Phio Pharmaceuticals Corp. at the end of Q2 2025 but not at the end of Q1 2025.

Institutions new to PHIO in Q2 2025
InstitutionSharesValue% of portfolio
Vanguard Group Inc48,665$114.4K0.00%
Virtu Financial LLC14,298$34.0K0.00%
Royal Bank of Canada3,464$8.00K0.00%
Mount Yale Investment Advisors, LLC27$630.00%

Sold out (4)

Institutions that held Phio Pharmaceuticals Corp. at the end of Q1 2025 and filed for Q2 2025 without it.

Institutions that sold out of PHIO in Q2 2025
InstitutionShares, Q1 2025Value, Q1 2025
XTX Topco Ltd10,800$14.0K
Tower Research Capital LLC (TRC)2,501$3.25K
UBS Group AG103$134
Barclays PLC5$7