Phio PharmaceuticalsPHIO
13F holders, Q2 2026 (June 30)24holders
4new positions
4sold out
1famous investor
$1.02avg. 13F price*
At the end of Q2 2026, 24 institutions reported holding Phio Pharmaceuticals Corp. (PHIO) in their 13F filings, unchanged from Q1 2026. 4 opened new positions and 4 sold out. The largest holders were Jane Street Group, LLC ($121K), Geode Capital Management, LLC ($117K) and Vanguard Capital Management LLC ($97K). One famous investor held it Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Phio Pharmaceuticals Corp.
- CUSIP
- 71880W501
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 4 | $112K |
| Exits | 4 | $81K |
All 13F filers, Q1 2026 → Q2 2026: 140,906 shares bought and 162,269 shares sold, net −21,363 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 24 holders
| Jane Street Group, LLC | 0.00% | Reduce -1.2% | 117,755 | $121K |
| Geode Capital Management, LLC | 0.00% | Reduce -22.2% | 114,574 | $117K |
| Vanguard Capital Management LLC | 0.00% | Add +18.0% | 94,262 | $97K |
| Nomura Asset Management International Inc. | 0.00% | New | 50,000 | $51K |
| Cetera Investment Advisers | 0.00% | Add +5.6% | 47,500 | $49K |
| Citadel Advisors | 0.00% | New | 47,150 | $48K |
| Vanguard Fiduciary Trust Co. | 0.00% | No change | 38,169 | $39K |
| Northern Trust Corp. | 0.00% | Add +16.9% | 27,768 | $28K |
| Two Sigma Investments, LP | 0.00% | Reduce -33.8% | 21,501 | $22K |
| XTX Topco Ltd | 0.00% | Reduce -25.7% | 18,475 | $19K |
| HRT Financial LP | 0.00% | Reduce -62.0% | 13,182 | $13K |
| Bridgeway Capital Management, LLC | 0.00% | New | 12,000 | $12K |
| Citigroup Inc. | 0.00% | Add +1032.2% | 11,605 | $12K |
| Captrust Financial Advisors | 0.00% | No change | 10,000 | $10K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -18.6% | 6,206 | $6K |
| Morgan Stanley | 0.00% | No change | 6,000 | $6K |
| UBS Group AG | 0.00% | Reduce -80.0% | 5,387 | $6K |
| Osaic Holdings, Inc. | 0.00% | No change | 2,000 | $2K |
| Spire Wealth Management | 0.00% | Reduce -0.5% | 1,990 | $2K |
| SBI Securities Co., Ltd. | 0.00% | Add +1.9% | 1,247 | $1K |
| Barclays PLC | 0.00% | New | 231 | $237 |
| Assetmark, Inc. | 0.00% | No change | 110 | $113 |
| Activest Wealth Management | 0.00% | No change | 9 | $9 |
| Caitong International Asset Management Co., Ltd | 0.00% | Add +100.0% | 6 | $6 |
"% of holder's portfolio" is PHIO's weight in each manager's 13F, not the share of Phio Pharmaceuticals Corp. the manager owns.