Phio Pharmaceuticals
PHIO
24 hedge funds and large institutions have $815K invested in Phio Pharmaceuticals in 2026 Q1 according to their latest regulatory filings, with 14 funds opening new positions, 5 increasing their positions, reducing their positions, and 6 closing their positions.
133% more first-time investments, than exits
New positions opened: 14 | Existing positions closed: 6
113% more capital invested
Capital invested by funds: $382K → $815K (+$433K)
41% more funds holding
Funds holding: 17 → 24 (+7)
2.37% more ownership
Funds ownership: 3.38% → 5.75% (+2.4%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Jane Street
New York
|
+$136K |
| 2 |
Geode Capital Management
Boston,
Massachusetts
|
+$62.3K |
| 3 |
HF
HRT Financial
New York
|
+$39.6K |
| 4 |
SRL
Scientech Research LLC
Jersey City,
New Jersey
|
+$34.3K |
| 5 |
XT
XTX Topco
George Town,
Cayman Islands
|
+$28.4K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
DS
DRW Securities
Chicago,
Illinois
|
-$23.8K |
| 2 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$21.1K |
| 3 |
SG
StoneX Group
New York
|
-$12.4K |
| 4 |
RSWM
Robertson Stephens Wealth Management
San Francisco,
California
|
-$11.3K |
| 5 |
VF
Virtu Financial
New York
|
-$11K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
26
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
| – | -$21.1K | -20,091 | Closed |
|
|
SG
27
StoneX Group
New York
| – | -$12.4K | -11,828 | Closed |
|
|
RSWM
28
Robertson Stephens Wealth Management
San Francisco,
California
| – | -$11.3K | -10,800 | Closed |
|
|
VF
29
Virtu Financial
New York
| – | -$11K | -10,214 | Closed |
|
30
Bank of America
Charlotte,
North Carolina
| – | -$1.48K | -1,413 | Closed |
|
PHIO Hedge Fund Activity: Q1 2026 in Review
24 of the 8,128 institutional investors tracked by Wall St. Rank reported a position in Phio Pharmaceuticals (PHIO) for Q1 2026, worth a combined $815K — up 113% from $382K a quarter earlier.
Buyers outnumbered sellers: 14 funds opened new PHIO positions and 6 closed out — a net gain of 8 holders — while 5 added to existing stakes and 0 trimmed.
The largest buyer was Jane Street, opening a new position worth an estimated $136K. The largest seller was DRW Securities, exiting entirely with an estimated $23.8K sold.
- 24 institutional investors held Phio Pharmaceuticals (PHIO) as of Q1 2026, up from 17 in Q4 2025.
- Funds reported $815K of Phio Pharmaceuticals stock for Q1 2026, up 113% quarter-over-quarter.
- 14 funds opened new Phio Pharmaceuticals positions in Q1 2026 and 6 closed out, a net change of +8 holders.
- The largest Phio Pharmaceuticals buyer in Q1 2026 was Jane Street, an estimated $136K added.
- The largest Phio Pharmaceuticals seller in Q1 2026 was DRW Securities, an estimated $23.8K sold.
Based on aggregated 13F filings for Q1 2026.