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XTX Topco Ltd

Position in AMPH — Amphastar Pharmaceuticals, Inc.

CIK 1828301 LONDON, X0

Position in AMPH

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$1,718,748
+$417,053 QoQ
Shares Held
87,736
+80.5% QoQ
Ownership
0.199%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Dec 2022
7 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in AMPH Over Time

Shares Held

Position Value (USD)

Position in Drug Manufacturers - Specialty & Generic

Healthcare · as of Mar 31, 2026

XTX Topco Ltd holds $27,950,471 across 45 Drug Manufacturers - Specialty & Generic names. AMPH ranks #5 (6.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
5 AMPH
Amphastar Pharmaceuticals, Inc.
This page
87,736 $1,718,748

All Filings in AMPH

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7 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $1,718,748 87,736
2025-12-31 $1,301,695 48,607
2025-03-31 $532,198 18,358
2024-09-30 $674,130 13,891
2023-12-31 $248,946 4,025
2023-06-30 $350,854 6,105
2022-12-31 $461,769 16,480