JY
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Jeff Yass’s Phio Pharmaceuticals PHIO Stock Holding History

Jeff Yass’s Portfolio PHIO Stock Details PHIO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2022
Q1 		– Sell
-107
Closed -$12K – 13733
2021
Q4 		$12K Sell
107
-73
-41% -$11.6K ﹤0.01% 12910
2021
Q3 		$39K Sell
180
-105
-37% -$21.9K ﹤0.01% 12425
2021
Q2 		$70K Sell
285
-59
-17% -$14.5K ﹤0.01% 12221
2021
Q1 		$99K Buy
+344
New +$114K ﹤0.01% 11867

Other funds holding PHIO

Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Jane Street
Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Cetera Investment Advisers
Cetera Investment Advisers Schaumburg, Illinois $110B AUM 26.29% 1-Year Est. Return
Vanguard Fiduciary Trust
Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM
HF
HRT Financial New York $54.8B AUM 81.03% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
SRL
Scientech Research LLC Jersey City, New Jersey $123M AUM 198.31% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
XT
XTX Topco George Town, Cayman Islands $7.72B AUM 32.88% 1-Year Est. Return

Jeff Yass's PHIO Position: Q1 2026 in Review

Jeff Yass sold out of Phio Pharmaceuticals (PHIO) in Q1 2026, closing a stake of 20,091 shares — an estimated $21.1K sold.

Jeff Yass first reported a position in PHIO in Q4 2017 and held it in 7 quarters. The position peaked at $45K in Q2 2019. 24 funds tracked by Wall St. Rank hold PHIO as of Q1 2026.

  • Jeff Yass reported no remaining Phio Pharmaceuticals position as of Q1 2026 after selling out during the quarter.
  • Jeff Yass sold 20,091 Phio Pharmaceuticals shares in Q1 2026, an estimated $21.1K.
  • Jeff Yass first reported a position in Phio Pharmaceuticals in Q4 2017 and held it in 7 quarters.
  • Jeff Yass's Phio Pharmaceuticals position peaked at $45K in Q2 2019.
  • 24 funds tracked by Wall St. Rank held Phio Pharmaceuticals as of Q1 2026.

Based on Susquehanna International Group's 13F filing for Q1 2026, filed 15 May 2026.