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Equibles

JANE STREET GROUP, LLC

Position in BLLN — BillionToOne, Inc.

CIK 1595888 NEW YORK, NY
Back to BLLN Full portfolio

Position in BLLN

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$0
New position
Shares Held
0
first reported quarter
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2026
1 quarter on record

Derivatives in BLLN

reported options exposure · as of Jun 30, 2026
CallValue
$2,759,540
CallShares
23,000
PutValue
$1,091,818
PutShares
9,100

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Diagnostics & Research

Healthcare · as of Jun 30, 2026

JANE STREET GROUP, LLC holds $941,973,796 across 32 Diagnostics & Research names.

# Ticker Company Shares Value (USD) Open
1 GH
Guardant Health, Inc.
 1,783,444 $267,570,103
2 NTRA
Natera, Inc.
 926,986 $251,630,349
3 ILMN
Illumina, Inc.
 372,628 $65,519,180
4 ICLR
Icon PLC
 374,800 $65,106,507
5 RVTY
Revvity, Inc.
 576,014 $64,087,317
6 IDXX
Idexx Laboratories Inc /De
 105,108 $55,333,055
7 IQV
Iqvia Holdings Inc.
 282,508 $54,586,195
8 DHR
Danaher Corp /De/
 189,123 $36,024,147

All Filings in BLLN

Export CSV
2 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,091,818 9,100
2026-06-30 $2,759,540 23,000