Deep Track Capital, LP

Position in BLLN — BillionToOne, Inc.

CIK 1856083 GREENWICH, CT

Position in BLLN

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$3,947,000

-$145,000 QoQ

Shares Held

50,000

0.0% QoQ

Ownership

0.109%

of shares outstanding

% of Portfolio

0.08%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Dec 2025

2 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Mar 31, 2026

Deep Track Capital, LP holds $420,444,469 across 4 Diagnostics & Research names. BLLN ranks #4 (0.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	GH	Guardant Health, Inc.	3,338,241	$308,353,321
2	GRAL	GRAIL, Inc.	1,722,797	$89,034,148
3	PSNL	Personalis, Inc.	3,000,000	$19,110,000
4	BLLN	BillionToOne, Inc. This page	50,000	$3,947,000

2 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$3,947,000	50,000	0.0%	Shares	Sole	2026-05-15
2025-12-31	$4,092,000	50,000	—	Shares	Sole	2026-02-13
No filing history on record for this holder in this stock.