Driehaus Capital Management LLC

Position in XENE — Xenon Pharmaceuticals Inc.

CIK 938206 Chicago, IL

Back to XENE Full portfolio

Position in XENE

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$266,704,100

+$5,514,479 QoQ

Shares Held

4,418,557

-1.6% QoQ

Ownership

4.56%

of shares outstanding

% of Portfolio

1.55%

of 13F equity value

Holder Rank

of 313 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 84% Shared 0% None 16%

Common Shares in XENE Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

Driehaus Capital Management LLC holds $3,602,052,293 across 59 Biotechnology names. XENE ranks #3 (7.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	DFTX	Definium Therapeutics, Inc.	6,845,276	$322,001,783
2	PRAX	Praxis Precision Medicines, Inc.	959,048	$321,079,679
3	XENE	Xenon Pharmaceuticals Inc. This page	4,418,557	$266,704,100
4	SYRE	Spyre Therapeutics, Inc.	2,799,166	$248,509,957
5	CRNX	Crinetics Pharmaceuticals, Inc.	6,463,551	$241,866,078
6	APGE	Apogee Therapeutics, Inc.	1,740,101	$230,963,605
7	EWTX	Edgewise Therapeutics, Inc.	4,728,623	$192,123,952
8	SEPN	Septerna, Inc.	4,433,058	$148,463,112

All Filings in XENE

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27 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$266,704,100	4,418,557	-1.6%	Shares	Sole	2026-08-14
2026-03-31	$261,189,621	4,491,653	-1.0%	Shares	Sole	2026-05-15
2025-12-31	$201,315,887	4,491,653	—	Shares	Sole	2026-05-15
2025-12-31	$203,424,130	4,538,691	+8.9%	Shares	Sole	2026-02-17
2025-09-30	$167,389,927	4,169,114	-3.8%	Shares	Sole	2025-11-14
2025-06-30	$135,705,782	4,335,648	-5.4%	Shares	Sole	2025-08-14
2025-03-31	$153,822,019	4,584,859	+1.4%	Shares	Sole	2025-05-15
2024-12-31	$177,207,324	4,520,595	-1.6%	Shares	Sole	2025-02-14
2024-09-30	$180,933,535	4,595,721	+4.0%	Shares	Sole	2024-11-14
2024-06-30	$172,315,213	4,419,472	+2.3%	Shares	Sole	2024-08-15
2024-03-31	$186,050,907	4,321,740	-0.5%	Shares	Sole	2024-05-15
2023-12-31	$200,138,990	4,345,180	-3.7%	Shares	Sole	2024-02-14
2023-09-30	$154,164,250	4,513,005	-5.2%	Shares	Sole	2023-11-14
2023-06-30	$183,292,840	4,760,853	+2.3%	Shares	Sole	2023-08-14
2023-03-31	$166,599,765	4,654,925	-0.6%	Shares	Sole	2023-05-15
2022-12-31	$184,603,255	4,681,797	+3.9%	Shares	Sole	2023-02-14
2022-09-30	$162,595,122	4,504,020	+2.6%	Shares	Sole	2022-11-14
2022-06-30	$133,575,375	4,391,038	+33.0%	Shares	Sole	2022-08-15
2022-03-31	$100,894,053	3,300,427	+5.7%	Shares	Sole	2022-05-16
2021-12-31	$97,569,673	3,123,229	+106.6%	Shares	Sole	2022-02-14
2021-09-30	$23,096,377	1,511,543	+59.9%	Shares	Sole	2021-11-15
2021-06-30	$17,598,413	945,135	+22.5%	Shares	Sole	2021-08-16
2021-03-31	$13,808,239	771,410	+73.2%	Shares	Sole	2021-05-17
2020-12-31	$6,850,928	445,444	-1.3%	Shares	Sole	2021-02-16
2020-09-30	$4,995,968	451,307	-2.8%	Shares	Sole	2020-11-16
2020-06-30	$5,821,481	464,233	+0.4%	Shares	Sole	2020-08-14
2020-03-31	$5,242,844	462,332	—	Shares	Sole	2020-05-15
No filing history on record for this holder in this stock.