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XTX Topco Ltd

Position in BLLN — BillionToOne, Inc.

CIK 1828301 LONDON, X0

Position in BLLN

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$2,177,876
+$1,137,526 QoQ
Shares Held
18,152
+37.7% QoQ
Ownership
0.038%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#68
of 156 holders
Holding Since
Dec 2025
3 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in BLLN Over Time

Shares Held

Position Value (USD)

Position in Diagnostics & Research

Healthcare · as of Jun 30, 2026

XTX Topco Ltd holds $46,118,441 across 32 Diagnostics & Research names. BLLN ranks #10 (4.7% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in BLLN

Export CSV
3 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $2,177,876 18,152
2026-03-31 $1,040,350 13,179
2025-12-31 $1,692,287 20,678