PERCEPTIVE ADVISORS LLC

Position in BLLN — BillionToOne, Inc.

CIK 1224962 NEW YORK, NY

Position in BLLN

as of Mar 31, 2026 · filed May 29, 2026 Compact

Position Value

$7,247,639

+$1,288,705 QoQ

Shares Held

91,812

+26.1% QoQ

Ownership

0.200%

of shares outstanding

% of Portfolio

0.14%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Dec 2025

2 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Healthcare · as of Mar 31, 2026

PERCEPTIVE ADVISORS LLC holds $44,548,018 across 5 Diagnostics & Research names. BLLN ranks #2 (16.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	GH	Guardant Health, Inc.	300,000	$27,711,000
2	BLLN	BillionToOne, Inc. This page	91,812	$7,247,639
3	TWST	Twist Bioscience Corp	150,000	$7,128,000
4	ADPT	Adaptive Biotechnologies Corp	152,500	$2,116,700
5	XGN	Exagen Inc.	114,893	$344,679

2 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$7,247,639	91,812	+26.1%	Shares	Sole	2026-05-29
2025-12-31	$5,958,934	72,812	—	Shares	Sole	2026-02-17
No filing history on record for this holder in this stock.