Skip to main content
PHIO logo

PHIO · Phio Pharmaceuticals Corp.

Track PHIO — free
$1.13 +0.01 (+0.89%) At close · Aug 28
Market Cap
$13.13M
Shares
11.62M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 24
Total Value: $663,294
Total Shares: 647,127

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 24 13F filers · Δ vs Mar 31, 2026
Top Holder
18.2%
Sep 2023 → Jun 2026 · range 18.2% – 88.2%
−3.8 pts
Top 5
65.5%
Sep 2023 → Jun 2026 · range 64.2% – 100.0%
+1.3 pts
Top 10
89.2%
Sep 2023 → Jun 2026 · range 86.6% – 100.0%
+2.6 pts
HHI
1,112
Sep 2023 → Jun 2026 · range 1,112 – 7,827
Broadly held−44

Quarterly Activity

vs Mar 31, 2026
New
4
Increased
6
Decreased
8
Sold Out
4
Unchanged
6
Holder count: 0
Institutional value: -18.7%
Shares held: -3.2%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 24 of 24
Export CSV
Holder Value (USD) % of 13F Shares Open
Key facts CIK 1533040 CUSIP 71880W501 13F (30d) 20 filings 20 filers Visit website