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Phio Pharmaceuticals Ownership | Who Owns Phio Pharmaceuticals?

OverviewFinancialsChart

Phio Pharmaceuticals Ownership Summary

Phio Pharmaceuticals is owned by 5.57% institutional investors, 3.94% insiders, and 90.49% retail investors. Scientech research is the largest institutional shareholder, holding 0% of PHIO shares. Macquarie Healthcare I is the top mutual fund, with 0.87% of its assets in Phio Pharmaceuticals shares.

PHIO Ownership Benchmark

TypeName% Inst% Insiders% Retail
StockPhio Pharmaceuticals5.57%3.94%90.49%
SectorHealthcare Stocks 244.59%12.11%-156.70%
IndustryBiotech Stocks 379.61%11.70%-291.31%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Scientech research---
Nbc securities---
Gsa capital partners llp---
Two sigma securities---

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Scientech research---
Nbc securities---
Gsa capital partners llp---
Two sigma securities---

Top Buyers

HolderShares% AssetsChange
Nbc securities---1.07K
Two sigma securities---15.22K
Gsa capital partners llp---19.86K
Scientech research---30.03K

Top Sellers

HolderShares% AssetsChange
Scientech research---30.03K
Gsa capital partners llp---19.86K
Two sigma securities---15.22K
Nbc securities---1.07K

Sold Out

HolderChange
Nbc securities-1.07K
Two sigma securities-15.22K
Gsa capital partners llp-19.86K
Scientech research-30.03K

Institutional Ownership Trends

DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Jun 30, 202624-647,127-3.20%516.82%10-47.37%8-
Mar 31, 202624-668,490-5-24---
Jun 30, 202511-164,722-3-11---
Dec 31, 202211-15.38%575,219-20.85%414.91%3-57.14%775.00%
Sep 30, 20221330.00%726,716-6.72%516.35%7133.33%4-33.33%

Top Mutual Funds Shareholders

HolderShares% HoldingChange
Macquarie Healthcare I50.00K0.87%-
Vanguard Institutional Extnd Mkt Idx Tr94.26K0.81%-
Fidelity Extended Market Index61.47K0.53%-19.13K
Nomura Healthcare Fund Class I50.00K0.43%-
Spartan Extended Market Index Pool E7.45K0.18%7.41K
Spartan Extended Market Index Pool F17.59K0.15%116.00
NT Ext Equity Mkt Idx Fd - L15.35K0.13%-
Fidelity Series Total Market Index14.66K0.13%-
Fidelity Total Market Index13.29K0.11%-
Northern Trust Extended Eq Market Idx12.61K0.11%-2.74K

Recent Insider Transactions

DateNameRoleActivityValue
Aug 19, 2026Plott Ronald Todd-Buy$17.10K
Aug 18, 2026Bitterman Robert J Chairman, Pres. & CEOBuy$10.60K
Jun 26, 2026Bitterman Robert J Chairman, Pres. & CEOBuy$9.90K
Dec 31, 2025Bitterman Robert J Chairman, Pres. & CEOBuy$5.15K
Dec 23, 2025Bitterman Robert J Chairman, Pres. & CEOBuy$5.10K

Insider Transactions Trends

DateBuySell
2026 Q32-
2026 Q21-
2026 Q1--
2025 Q44-
2025 Q3--

PHIO Ownership FAQ

Who Owns Phio Pharmaceuticals?

Phio Pharmaceuticals shareholders are primarily institutional investors at 5.57%, followed by 3.94% insiders and 90.49% retail investors. The average institutional ownership in Phio Pharmaceuticals's industry, Biotech Stocks , is 379.61%, which Phio Pharmaceuticals falls below.

Who owns the most shares of Phio Pharmaceuticals?

Phio Pharmaceuticals’s largest shareholders are Scientech research (0 shares, 0%), Nbc securities (0 shares, 0%), and Gsa capital partners llp (0 shares, 0%). Together, they hold 0% of Phio Pharmaceuticals’s total shares outstanding.

Does Blackrock own Phio Pharmaceuticals?

BlackRock is not among the top 10 institutional shareholders of Phio Pharmaceuticals.

Who is Phio Pharmaceuticals’s biggest shareholder by percentage of total assets invested?

Scientech research is Phio Pharmaceuticals’s biggest shareholder by percentage of total assets invested, with 0% of its assets in 0 Phio Pharmaceuticals shares, valued at 0$.

Who is the top mutual fund holder of Phio Pharmaceuticals shares?

Macquarie Healthcare I is the top mutual fund holder of Phio Pharmaceuticals shares, with 0.87% of its total shares outstanding invested in 50K Phio Pharmaceuticals shares.

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