Driehaus Capital Management LLC

CIK

938206

City

Chicago

State / Country

IL

Stock

PI — Impinj Inc

Top Portfolio Positions

350 positions · $13,780,494,588 total · as of Mar 31, 2026

Ticker	Company	Shares	Value (USD)	% of Portfolio	Open
CRNX	Crinetics Pharmaceuticals, Inc. Healthcare	12,791,844	$464,599,774	3.37%
TSM	Taiwan Semiconductor Manufacturing Co Ltd Technology	1,264,890	$427,469,575	3.10%
PRAX	Praxis Precision Medicines, Inc. Healthcare	949,225	$305,830,802	2.22%
XENE	Xenon Pharmaceuticals Inc. Healthcare	4,491,653	$261,189,621	1.90%
PL	Planet Labs PBC Industrials	7,918,693	$221,327,469	1.61%
FN	Fabrinet Technology	391,081	$203,956,563	1.48%
APGE	Apogee Therapeutics, Inc. Healthcare	1,920,800	$161,673,736	1.17%
LITE	Lumentum Holdings Inc. Technology	228,995	$160,928,526	1.17%
CW	Curtiss Wright Corp Industrials	225,759	$153,768,970	1.12%
BAP	Credicorp Ltd Financial Services	450,730	$152,878,601	1.11%

Portfolio Trend

25 quarters · across all stocks

Holdings in PI

Compact Export CSV

Shares Held

Position Value (USD)

14 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2025-12-31	$128,327,850	737,474	+43.3%	Shares	Sole	2026-02-17
2025-09-30	$92,995,875	514,500	+140.7%	Shares	Sole	2025-11-14
2024-12-31	$31,044,095	213,714	+176.0%	Shares	Sole	2025-02-14
2024-09-30	$16,766,659	77,437	-53.1%	Shares	Sole	2024-11-14
2023-06-30	$14,786,691	164,938	-73.8%	Shares	Sole	2023-08-14
2023-03-31	$85,376,244	629,990	-12.4%	Shares	Sole	2023-05-15
2022-12-31	$78,497,472	718,973	-15.1%	Shares	Sole	2023-02-14
2022-09-30	$67,740,032	846,433	+59.7%	Shares	Sole	2022-11-14
2022-06-30	$31,096,977	530,032	-20.6%	Shares	Sole	2022-08-15
2022-03-31	$42,439,319	667,915	-30.8%	Shares	Sole	2022-05-16
2021-12-31	$85,563,745	964,642	+46.6%	Shares	Sole	2022-02-14
2021-09-30	$37,592,968	658,025	+53.9%	Shares	Sole	2021-11-15
2021-06-30	$22,052,816	427,463	+32.8%	Shares	Sole	2021-08-16
2021-03-31	$18,302,017	321,822	—	Shares	Sole	2021-05-17
No 13F history on record for this holder in this stock.