NEXT CENTURY GROWTH INVESTORS LLC

Position in BLLN — BillionToOne, Inc.

CIK 1134007 PLYMOUTH, MN

Position in BLLN

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

Position Value

$43,728,750

+$36,579,628 QoQ

Shares Held

364,467

+302.4% QoQ

Ownership

0.772%

of shares outstanding

% of Portfolio

2.37%

of 13F equity value

Holder Rank

#13

of 156 holders

Holding Since

Dec 2025

3 quarters on record

Voting authority Sole 90% Shared 0% None 10%

Healthcare · as of Jun 30, 2026

NEXT CENTURY GROWTH INVESTORS LLC holds $73,835,570 across 3 Diagnostics & Research names. BLLN ranks #1 (59.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	BLLN	BillionToOne, Inc. This page	364,467	$43,728,750
2	GH	Guardant Health, Inc.	200,672	$30,106,820
3	ADPT	Adaptive Biotechnologies Corp	152,458	$0

3 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$43,728,750	364,467	+302.4%	Shares	Sole	2026-08-14
2026-03-31	$7,149,122	90,564	+147.0%	Shares	Sole	2026-05-14
2025-12-31	$3,000,172	36,659	—	Shares	Sole	2026-02-13
No filing history on record for this holder in this stock.