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
Q2 		$18.9K Sell
18,475
-6,393
-26% -$7.28K ﹤0.01% 3917
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

Jane Street
Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
NAMI
Nomura Asset Management International Philadelphia, Pennsylvania $66.6B AUM
Cetera Investment Advisers
Cetera Investment Advisers Schaumburg, Illinois $110B AUM 26.29% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return
Vanguard Fiduciary Trust
Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
HF
HRT Financial New York $54.8B AUM 81.03% 1-Year Est. Return

XTX Topco's PHIO Position: Q2 2026 in Review

XTX Topco reduced its Phio Pharmaceuticals (PHIO) stake by 26% in Q2 2026, selling an estimated $7.28K and leaving 18,475 shares worth $18.9K. The position accounts for ﹤0.01% of the portfolio, ranked #3917.

XTX Topco first reported a position in PHIO in Q1 2025 and has held it in 3 quarters since. The position peaked at $30.3K in Q1 2026. 24 funds tracked by Wall St. Rank hold PHIO as of Q2 2026.

  • XTX Topco held 18,475 shares of Phio Pharmaceuticals worth $18.9K as of Q2 2026.
  • XTX Topco sold 6,393 Phio Pharmaceuticals shares in Q2 2026, an estimated $7.28K.
  • Phio Pharmaceuticals made up ﹤0.01% of XTX Topco's portfolio in Q2 2026, its #3917 holding.
  • XTX Topco first reported a position in Phio Pharmaceuticals in Q1 2025 and has held it in 3 quarters since.
  • XTX Topco's Phio Pharmaceuticals position peaked at $30.3K in Q1 2026.
  • 24 funds tracked by Wall St. Rank held Phio Pharmaceuticals as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.