Wellington Management Group
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Wellington Management Group’s Xenon Pharmaceuticals XENE Stock Holding History

Wellington Management Group’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 		$281M Buy
4,829,641
+64,862
+1% +$2.99M 0.05% 303
2025
Q4 		$214M Buy
4,764,779
+1,154,922
+32% +$48.5M 0.04% 375
2025
Q3 		$145M Buy
3,609,857
+1,435,096
+66% +$50.5M 0.03% 461
2025
Q2 		$68.1M Sell
2,174,761
-1,614,436
-43% -$52.7M 0.01% 618
2025
Q1 		$127M Buy
3,789,197
+11,586
+0.3% +$440K 0.02% 454
2024
Q4 		$148M Sell
3,777,611
-65,836
-2% -$2.72M 0.03% 441
2024
Q3 		$151M Buy
3,843,447
+15,226
+0.4% +$614K 0.03% 445
2024
Q2 		$149M Sell
3,828,221
-93,837
-2% -$3.75M 0.03% 449
2024
Q1 		$169M Sell
3,922,058
-240,596
-6% -$11.1M 0.03% 424
2023
Q4 		$192M Buy
4,162,654
+2,434,546
+141% +$86M 0.04% 407
2023
Q3 		$59M Buy
1,728,108
+677,057
+64% +$25.3M 0.01% 651
2023
Q2 		$40.5M Buy
1,051,051
+803,614
+325% +$31.9M 0.01% 765
2023
Q1 		$8.86M Buy
+247,437
New +$9.14M ﹤0.01% 1136

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 $6.73T AUM 46.02% 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
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Wellington Management Group's XENE Position: Q1 2026 in Review

Wellington Management Group increased its Xenon Pharmaceuticals (XENE) stake by 1.4% in Q1 2026, buying an estimated $2.99M and bringing the position to 4,829,641 shares worth $281M. The position accounts for 0.05% of the portfolio, ranked #303.

Wellington Management Group first reported a position in XENE in Q1 2023 and has held it in 13 quarters since. 290 funds tracked by Wall St. Rank hold XENE as of Q1 2026.

  • Wellington Management Group held 4,829,641 shares of Xenon Pharmaceuticals worth $281M as of Q1 2026.
  • Wellington Management Group bought 64,862 Xenon Pharmaceuticals shares in Q1 2026, an estimated $2.99M.
  • Xenon Pharmaceuticals made up 0.05% of Wellington Management Group's portfolio in Q1 2026, its #303 holding.
  • Wellington Management Group first reported a position in Xenon Pharmaceuticals in Q1 2023 and has held it in 13 quarters since.
  • 290 funds tracked by Wall St. Rank held Xenon Pharmaceuticals as of Q1 2026.

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