NEXT CENTURY GROWTH INVESTORS LLC

Position in BLLN — BillionToOne, Inc.

CIK 1134007 PLYMOUTH, MN

Position in BLLN

as of Mar 31, 2026 · filed May 14, 2026 Compact

Position Value

$7,149,122

+$4,148,950 QoQ

Shares Held

90,564

+147.0% QoQ

Ownership

0.197%

of shares outstanding

% of Portfolio

0.52%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Dec 2025

2 quarters on record

Voting authority Sole 89.5057638796873.ToString("F0")% Shared 0.ToString("F0")% None 10.494236120312706.ToString("F0")%

Healthcare · as of Mar 31, 2026

NEXT CENTURY GROWTH INVESTORS LLC holds $16,640,385 across 3 Diagnostics & Research names. BLLN ranks #1 (43.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	BLLN	BillionToOne, Inc. This page	90,564	$7,149,122
2	ADPT	Adaptive Biotechnologies Corp	504,346	$7,000,322
3	GH	Guardant Health, Inc.	26,967	$2,490,941

2 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
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.