Who Owns PHIO PHARMACEUTICALS CORP (PHIO)? -- Institutional Holders (2026-03-31)
30 institutions reported holding $814,950 of PHIO PHARMACEUTICALS CORP (PHIO) in SEC 13F filings for 2026-03-31. Largest institutional holders: GEODE CAPITAL MANAGEMENT, LLC ($179,649), JANE STREET GROUP, LLC ($145,410), VANGUARD CAPITAL MANAGEMENT LLC ($97,421), Cetera Investment Advisers ($54,900), VANGUARD FIDUCIARY TRUST CO ($46,566). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | GEODE CAPITAL MANAGEMENT, LLC | $179,649 | 147,254 | Added |
| 2 | JANE STREET GROUP, LLC | $145,410 | 119,189 | New |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | $97,421 | 79,853 | New |
| 4 | Cetera Investment Advisers | $54,900 | 45,000 | Added |
| 5 | VANGUARD FIDUCIARY TRUST CO | $46,566 | 38,169 | New |
| 6 | HRT FINANCIAL LP | $42,000 | 34,732 | New |
| 7 | TWO SIGMA INVESTMENTS, LP | $39,644 | 32,495 | Added |
| 8 | Scientech Research LLC | $36,639 | 30,032 | New |
| 9 | UBS Group AG | $32,925 | 26,987 | Added |
| 10 | XTX Topco Ltd | $30,339 | 24,868 | New |
| 11 | NORTHERN TRUST CORP | $28,985 | 23,758 | Hold |
| 12 | GSA CAPITAL PARTNERS LLP | $24,000 | 19,864 | New |
| 13 | TWO SIGMA SECURITIES, LLC | $18,573 | 15,224 | New |
| 14 | CAPTRUST FINANCIAL ADVISORS | $12,200 | 10,000 | Hold |
| 15 | Tower Research Capital LLC (TRC) | $9,296 | 7,620 | New |
| 16 | MORGAN STANLEY | $7,320 | 6,000 | Hold |
| 17 | Spire Wealth Management | $2,440 | 2,000 | New |
| 18 | OSAIC HOLDINGS, INC. | $2,440 | 2,000 | New |
| 19 | SBI Securities Co., Ltd. | $1,493 | 1,224 | Added |
| 20 | NBC SECURITIES, INC. | $1,310 | 1,074 | New |
| 21 | CITIGROUP INC | $1,251 | 1,025 | New |
| 22 | ASSETMARK, INC | $134 | 110 | Hold |
| 23 | Activest Wealth Management | $11 | 9 | Hold |
| 24 | Caitong International Asset Management Co., Ltd | $4 | 3 | New |
| 25 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31