SEI Investments’s Xenon Pharmaceuticals XENE Stock Holding History

SEI Investments’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	$7.2M	Buy	119,251 +4,870	+4%	+$270K	0.01%	1291
2026 Q1	$6.65M	Buy	114,381 +70,523	+161%	+$3.25M	0.01%	1357
2025 Q4	$1.97M	Buy	43,858 +21,435	+96%	+$900K	﹤0.01%	1856
2025 Q3	$900K	Sell	22,423 -300	-1%	-$10.6K	﹤0.01%	2003
2025 Q2	$711K	Buy	22,723 +13,319	+142%	+$434K	﹤0.01%	2059
2025 Q1	$316K	Buy	+9,404	New	+$357K	﹤0.01%	2321
2024 Q3	–	Sell	-7,909	Closed	-$308K	–	2780
2024 Q2	$308K	Sell	7,909 -42	-0.5%	-$1.68K	﹤0.01%	2324
2024 Q1	$342K	Sell	7,951 -228	-3%	-$10.5K	﹤0.01%	2253
2023 Q4	$377K	Sell	8,179 -158	-2%	-$5.58K	﹤0.01%	2229
2023 Q3	$285K	Sell	8,337 -6,090	-42%	-$228K	﹤0.01%	2317
2023 Q2	$555K	Buy	+14,427	New	+$573K	﹤0.01%	2090

Other funds holding XENE

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

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

Jupiter Topco New York $245B AUM

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

SEI Investments's XENE Position: Q2 2026 in Review

SEI Investments increased its Xenon Pharmaceuticals (XENE) stake by 4.3% in Q2 2026, buying an estimated $270K and bringing the position to 119,251 shares worth $7.2M. The position accounts for 0.01% of the portfolio, ranked #1291.

SEI Investments first reported a position in XENE in Q2 2023 and has held it in 11 quarters since. 315 funds tracked by Wall St. Rank hold XENE as of Q2 2026.

SEI Investments held 119,251 shares of Xenon Pharmaceuticals worth $7.2M as of Q2 2026.
SEI Investments bought 4,870 Xenon Pharmaceuticals shares in Q2 2026, an estimated $270K.
Xenon Pharmaceuticals made up 0.01% of SEI Investments's portfolio in Q2 2026, its #1291 holding.
SEI Investments first reported a position in Xenon Pharmaceuticals in Q2 2023 and has held it in 11 quarters since.
315 funds tracked by Wall St. Rank held Xenon Pharmaceuticals as of Q2 2026.

Based on SEI Investments's 13F filing for Q2 2026, filed 14 Aug 2026.