XT
XENE icon

XTX Topco’s Xenon Pharmaceuticals XENE Stock Holding History

XTX Topco’s Portfolio XENE Stock Details XENE Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$1.63M Buy
28,000
+6,502
+30% +$300K 0.03% 997
2025
Q4 		$964K Buy
+21,498
New +$903K 0.03% 1050
2025
Q1 		– Sell
-8,054
Closed -$316K – 3205
2024
Q4 		$316K Buy
+8,054
New +$333K 0.03% 1180
2024
Q3 		– Sell
-11,910
Closed -$464K – 2680
2024
Q2 		$464K Buy
+11,910
New +$476K 0.04% 695

Other funds holding XENE

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
ACA
Avoro Capital Advisors New York $10.2B AUM 149.19% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
DCM
Driehaus Capital Management Chicago, Illinois $13.6B AUM 173.98% 1-Year Est. Return
PCH
Polar Capital Holdings London, United Kingdom $28.2B AUM 115.26% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

XTX Topco's XENE Position: Q1 2026 in Review

XTX Topco increased its Xenon Pharmaceuticals (XENE) stake by 30% in Q1 2026, buying an estimated $300K and bringing the position to 28,000 shares worth $1.63M. The position accounts for 0.03% of the portfolio, ranked #997.

XTX Topco first reported a position in XENE in Q2 2024 and has held it in 4 quarters since. 290 funds tracked by Wall St. Rank hold XENE as of Q1 2026.

  • XTX Topco held 28,000 shares of Xenon Pharmaceuticals worth $1.63M as of Q1 2026.
  • XTX Topco bought 6,502 Xenon Pharmaceuticals shares in Q1 2026, an estimated $300K.
  • Xenon Pharmaceuticals made up 0.03% of XTX Topco's portfolio in Q1 2026, its #997 holding.
  • XTX Topco first reported a position in Xenon Pharmaceuticals in Q2 2024 and has held it in 4 quarters since.
  • 290 funds tracked by Wall St. Rank held Xenon Pharmaceuticals as of Q1 2026.

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