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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.

New
Increased
Maintained
Reduced
Closed

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%)

Holders
24
Holders Change
+7
Holders Change %
+41.18%
% of All Funds
0.3%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
14
Increased
5
Reduced
–
Closed
6
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Jane Street
Jane Street
New York
+$136K
2
Geode Capital Management
Geode Capital Management
Massachusetts
+$62.3K
3
HF
HRT Financial
New York
+$39.6K
4
SRL
Scientech Research LLC
New Jersey
+$34.3K
5
XT
XTX Topco
Cayman Islands
+$28.4K

Top Sellers

Rank Fund Capital Flow
1
DS
DRW Securities
Illinois
-$23.8K
2
Susquehanna International Group
Susquehanna International Group
Pennsylvania
-$21.1K
3
SG
StoneX Group
New York
-$12.4K
4
RSWM
Robertson Stephens Wealth Management
California
-$11.3K
5
VF
Virtu Financial
New York
-$11K
Name Holding Trade Value Shares
Change 		Change in
Stake
Geode Capital Management
1
Geode Capital Management
Massachusetts
$180K +$62.3K +54,616 +59%
Jane Street
2
Jane Street
New York
$145K +$136K +119,189 New
VCM
3
Vanguard Capital Management
Pennsylvania
$97.4K +$91.1K +79,853 New
Cetera Investment Advisers
4
Cetera Investment Advisers
Illinois
$54.9K +$2.85K +2,500 +6%
VFT
5
Vanguard Fiduciary Trust
Pennsylvania
$46.6K +$43.5K +38,169 New
HF
6
HRT Financial
New York
$42K +$39.6K +34,732 New
Two Sigma Investments
7
Two Sigma Investments
New York
$39.6K +$20.5K +18,001 +124%
SRL
8
Scientech Research LLC
New Jersey
$36.6K +$34.3K +30,032 New
UBS Group
9
UBS Group
Switzerland
$32.9K +$21K +18,393 +214%
XT
10
XTX Topco
Cayman Islands
$30.3K +$28.4K +24,868 New
Northern Trust
11
Northern Trust
Illinois
$29K – – –
GCP
12
GSA Capital Partners
United Kingdom
$24K +$22.7K +19,864 New
TSS
13
Two Sigma Securities
New York
$18.6K +$17.4K +15,224 New
CAPTRUST Financial Advisors
14
CAPTRUST Financial Advisors
North Carolina
$12.2K – – –
TRCT
15
Tower Research Capital (TRC)
New York
$9.3K +$8.69K +7,620 New
Morgan Stanley
16
Morgan Stanley
New York
$7.32K – – –
Osaic Holdings
17
Osaic Holdings
Arizona
$2.44K +$2.28K +2,000 New
SWM
18
Spire Wealth Management
Virginia
$2.44K +$2.28K +2,000 New
SS
19
SBI Securities
Japan
$1.49K +$102 +89 +8%
NS
20
NBC Securities
Alabama
$1.31K +$1.23K +1,074 New
Citigroup
21
Citigroup
New York
$1.25K +$1.17K +1,025 New
AssetMark Inc
22
AssetMark Inc
California
$134 – – –
AWM
23
Activest Wealth Management
Florida
$11 – – –
CIAM
24
Caitong International Asset Management
Hong Kong
$4 +$3 +3 New
DS
25
DRW Securities
Illinois
– -$23.8K -22,636 Closed
1
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PHIO Hedge Fund Activity: Q1 2026 in Review

24 of the 8,127 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.