PHIO Institutional Ownership
Who owns Phio Pharmaceuticals Corp. and what the big funds did with it last quarter, from every SEC 13F filing. 24 funds reported holding PHIO at Jun 30, 2026, together owning 5.6% of the company.
- ▼10 buying vs 12 selling
- ●Held by funds -0.2 pts
- ●Funds holding +0
- ▲Superinvestors: 1 added, 0 cut
- ●Put/call not meaningful
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
8 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 24 | 24 | 0.0% |
| In funds' top 10 | 0 | 0 | – |
| 13F shares | 647K | 668K | −3.2% |
| Held by funds | 5.6% | 5.8% | −0.2 pts |
| New positions | 4 | 12 | −66.7% |
| Increased | 6 | 5 | +20.0% |
| Reduced | 8 | 0 | – |
| Sold out | 4 | 6 | −33.3% |
| Calls (shares) | 0 | 0 | – |
| Puts (shares) | 0 | 0 | – |
| Put/call ratio | – | – | – |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in PHIO
All superinvestors →
Who owns PHIO
share of fund held shares- Index and passive funds42.5%
- Active managers and hedge funds28.0%
- Banks and brokers29.5%
- Pensions, insurers and other0.0%
The top 10 holders own 89.2% of all PHIO shares that funds reported. Groups are our own grouping of filers by name.
Filed so far for Q3 2026
2 funds changed their position- Spire Wealth ManagementAdded+10 sh
- Caitong International Asset Management Co., LtdTrimmed−3 sh
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | Jane Street Group, LLC | 1.01% | 118K | $121K | −1,434 |
| 2 | Geode Capital Management, LLC | 0.99% | 115K | $117K | −33K |
| 3 | Vanguard Capital Management LLC | 0.81% | 94K | $97K | +14K |
| 4 | Nomura Asset Management International Inc. | 0.43% | 50K | $51K | +50K |
| 5 | Cetera Investment Advisers | 0.41% | 48K | $49K | +2,500 |
| 6 | Citadel Advisors LLC | 0.41% | 47K | $48K | +47K |
| 7 | Vanguard Fiduciary Trust Co | 0.33% | 38K | $39K | 0 |
| 8 | Northern Trust Corp | 0.24% | 28K | $28K | +4,010 |
| 9 | Two Sigma Investments, LP | 0.19% | 22K | $22K | −11K |
| 10 | XTX Topco Ltd | 0.16% | 18K | $19K | −6,393 |
- Nomura Asset Management International Inc.+50K sh+$51K
- Citadel Advisors LLC+47K sh+$48K
- Vanguard Capital Management LLC+14K sh+$15K
- Bridgeway Capital Management, LLC+12K sh+$12K
- Citigroup Inc+11K sh+$11K
- Northern Trust Corp+4,010 sh+$4K
- Cetera Investment Advisers+2,500 sh+$3K
- Barclays PLC+231 sh+$237
- Scientech Research LLC−30K sh−$37K
- Geode Capital Management, LLC−33K sh−$33K
- Gsa Capital Partners LLP−20K sh−$24K
- UBS Group AG−22K sh−$22K
- Hrt Financial LP−22K sh−$21K
- Two Sigma Securities, LLC−15K sh−$19K
- Two Sigma Investments, LP−11K sh−$11K
- XTX Topco Ltd−6,393 sh−$7K
PHIO institutional ownership FAQ
Who owns the most PHIO stock?
In Q2 2026 13F filings the largest holder of PHIO was Jane Street Group, LLC, followed by Geode Capital Management, LLC and Vanguard Capital Management LLC. Index fund managers are usually the biggest holders of large companies.
What percentage of PHIO is owned by institutions?
Funds that file 13F reports held 5.6% of PHIO's shares at Jun 30, 2026, compared with 5.8% a quarter earlier. That counts every manager with more than $100 million in US stocks.
Are hedge funds buying PHIO?
In Q2 2026, 10 funds bought PHIO (4 of them new positions) and 12 sold (4 sold out completely). Among well known investors, 1 added and 0 cut. Our fund sentiment for PHIO is neutral.
What is PHIO's institutional put/call ratio?
Too few option positions were reported for a meaningful ratio.
How current is this PHIO ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.