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Magnetar Financial’s Xenon Pharmaceuticals XENE Stock Holding History

Magnetar Financial’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
Q2 		$1.1M Buy
+18,213
New +$1.01M 0.01% 425
2026
Q1 		– Sell
-5,153
Closed -$231K – 1437
2025
Q4 		$231K Buy
+5,153
New +$216K ﹤0.01% 761
2025
Q1 		– Sell
-5,363
Closed -$210K – 970
2024
Q4 		$210K Buy
+5,363
New +$222K ﹤0.01% 545

Other funds holding XENE

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
ACA
Avoro Capital Advisors New York $11.1B AUM 207.82% 1-Year Est. Return
PCH
Polar Capital Holdings London, United Kingdom $42.4B AUM 181.11% 1-Year Est. Return
DCM
Driehaus Capital Management Chicago, Illinois $17.3B AUM 211.34% 1-Year Est. Return
JT
Jupiter Topco New York $245B AUM
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

Magnetar Financial's XENE Position: Q2 2026 in Review

Magnetar Financial opened a new position in Xenon Pharmaceuticals (XENE) in Q2 2026: 18,213 shares worth $1.1M. The stake represents 0.01% of the portfolio and ranks #425 among its holdings. This is a return to the name: Magnetar Financial previously reported a position in XENE as recently as Q4 2025.

Magnetar Financial first reported a position in XENE in Q4 2024 and has held it in 3 quarters since. 316 funds tracked by Wall St. Rank hold XENE as of Q2 2026.

  • Magnetar Financial held 18,213 shares of Xenon Pharmaceuticals worth $1.1M as of Q2 2026.
  • Xenon Pharmaceuticals was a new Magnetar Financial position in Q2 2026.
  • Xenon Pharmaceuticals made up 0.01% of Magnetar Financial's portfolio in Q2 2026, its #425 holding.
  • Magnetar Financial first reported a position in Xenon Pharmaceuticals in Q4 2024 and has held it in 3 quarters since.
  • 316 funds tracked by Wall St. Rank held Xenon Pharmaceuticals as of Q2 2026.

Based on Magnetar Financial's 13F filing for Q2 2026, filed 14 Aug 2026.