PHIO PHARMACEUTICALS CORP.

PublicCIK: 1533040
PHIONASDAQ
Location

KING OF PRUSSIA, PA

13F Filings

Institutional Holders

PHIO PHARMACEUTICALS CORP.PHIO— Latest position per institution from SEC 13F filings

15

Institutional holders

834.77K

Total shares held

894.88K

Estimated value

41.74K

Avg. position size

1

JANE STREET GROUP, LLC

CIK 1595888

Shares

117.75K

Value

120.70K

Filed

Jun 30, 2026

2

GEODE CAPITAL MANAGEMENT, LLC

CIK 1214717

Shares

114.57K

Value

117.44K

Filed

Jun 30, 2026

3

VANGUARD CAPITAL MANAGEMENT LLC

CIK 2100119

Shares

94.26K

Value

96.62K

Filed

Jun 30, 2026

4

VANGUARD GROUP INC

CIK 102909

Shares

87.63K

Value

92.01K

Filed

Dec 31, 2025

5

NOMURA ASSET MANAGEMENT INTERNATIONAL INC.

CIK 921739

Shares

50K

Value

51K

Filed

Jun 30, 2026

6

CETERA INVESTMENT ADVISERS

CIK 1666741

Shares

47.50K

Value

48.69K

Filed

Jun 30, 2026

7

CITADEL ADVISORS LLC

CIK 1423053

Shares

47.15K

Value

48.33K

Filed

Jun 30, 2026

8

VANGUARD FIDUCIARY TRUST CO

CIK 933478

Shares

38.17K

Value

39.12K

Filed

Jun 30, 2026

9

SCIENTECH RESEARCH LLC

CIK 2011556

Shares

30.03K

Value

36.64K

Filed

Mar 31, 2026

10

NORTHERN TRUST CORP

CIK 73124

Shares

27.77K

Value

28.46K

Filed

Jun 30, 2026

11

SABBY MANAGEMENT, LLC

CIK 1535610

Shares

25.13K

Value

86.70K

Filed

Sep 30, 2024

12

DRW SECURITIES, LLC

CIK 1481986

Shares

22.64K

Value

23.77K

Filed

Dec 31, 2025

13

TWO SIGMA INVESTMENTS, LP

CIK 1179392

Shares

21.50K

Value

22.04K

Filed

Jun 30, 2026

14

SUSQUEHANNA INTERNATIONAL GROUP, LLP

CIK 1446194

Shares

20.09K

Value

21.10K

Filed

Dec 31, 2025

15

GSA CAPITAL PARTNERS LLP

CIK 1362033

Shares

19.86K

Value

24.00

Filed

Mar 31, 2026

16

XTX TOPCO LTD

CIK 1828301

Shares

18.48K

Value

18.94K

Filed

Jun 30, 2026

17

TWO SIGMA SECURITIES, LLC

CIK 1450144

Shares

15.22K

Value

18.57K

Filed

Mar 31, 2026

18

HRT FINANCIAL LP

CIK 1475597

Shares

13.18K

Value

13.00

Filed

Jun 30, 2026

19

BRIDGEWAY CAPITAL MANAGEMENT, LLC

CIK 1107261

Shares

12K

Value

12.30K

Filed

Jun 30, 2026

20

STONEX GROUP INC.

CIK 913760

Shares

11.83K

Value

12.42K

Filed

Dec 31, 2025

Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.