XT
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XTX Topco’s Phio Pharmaceuticals PHIO Stock Holding History

XTX Topco’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
2026
Q1 		$30.3K Buy
+24,868
New +$28.4K ﹤0.01% 3450
2025
Q2 		– Sell
-10,800
Closed -$14K – 2976
2025
Q1 		$14K Buy
+10,800
New +$19.9K ﹤0.01% 2202

Other funds holding PHIO

Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Jane Street
Jane Street New York $777B AUM 61.18% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Cetera Investment Advisers
Cetera Investment Advisers Schaumburg, Illinois $94B AUM 20.14% 1-Year Est. Return
VFT
Vanguard Fiduciary Trust Malvern, Pennsylvania $396B AUM
HF
HRT Financial New York $40.1B AUM 58.22% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return
SRL
Scientech Research LLC Jersey City, New Jersey $120M AUM 73.62% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return

XTX Topco's PHIO Position: Q1 2026 in Review

XTX Topco opened a new position in Phio Pharmaceuticals (PHIO) in Q1 2026: 24,868 shares worth $30.3K. The stake represents ﹤0.01% of the portfolio and ranks #3450 among its holdings. This is a return to the name: XTX Topco previously reported a position in PHIO as recently as Q1 2025.

XTX Topco first reported a position in PHIO in Q1 2025 and has held it in 2 quarters since. 24 funds tracked by Wall St. Rank hold PHIO as of Q1 2026.

  • XTX Topco held 24,868 shares of Phio Pharmaceuticals worth $30.3K as of Q1 2026.
  • Phio Pharmaceuticals was a new XTX Topco position in Q1 2026.
  • Phio Pharmaceuticals made up ﹤0.01% of XTX Topco's portfolio in Q1 2026, its #3450 holding.
  • XTX Topco first reported a position in Phio Pharmaceuticals in Q1 2025 and has held it in 2 quarters since.
  • 24 funds tracked by Wall St. Rank held Phio Pharmaceuticals as of Q1 2026.

Based on XTX Topco's 13F filing for Q1 2026, filed 15 May 2026.