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MILLENNIUM MANAGEMENT LLC

Position in AMPH — Amphastar Pharmaceuticals, Inc.

CIK 1273087 NEW YORK, NY

Position in AMPH

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$642,006
-$6,633,191 QoQ
Shares Held
31,814
-91.4% QoQ
Ownership
0.075%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#80
of 209 holders
Holding Since
Jun 2020
25 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in AMPH Over Time

Shares Held

Position Value (USD)

Position in Drug Manufacturers - Specialty & Generic

Healthcare · as of Jun 30, 2026

MILLENNIUM MANAGEMENT LLC holds $1,140,219,030 across 49 Drug Manufacturers - Specialty & Generic names. AMPH ranks #37 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in AMPH

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25 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $642,006 31,814
2026-03-31 $7,275,197 371,373
2025-12-31 $7,784,222 290,673
2025-09-30 $18,595,437 697,765
2025-06-30 $14,211,872 618,984
2025-03-31 $25,179,293 868,551
2024-12-31 $9,525,924 256,556
2024-09-30 $12,600,814 259,650
2024-06-30 $29,549,920 738,748
2024-03-31 $17,568,171 400,095
2023-12-31 $12,680,301 205,017
2023-09-30 $13,627,158 296,307
2023-06-30 $13,116,378 228,230
2023-03-31 $12,883,500 343,560
2022-12-31 $2,729,988 97,430
2022-09-30 $386,656 13,760
2022-06-30 $2,854,206 82,041
2022-03-31 $6,222,223 173,321
2021-12-31 $1,704,385 73,181
2021-09-30 $3,743,791 196,938
2021-06-30 $332,841 16,510
2021-03-31 $2,192,812 119,695
2020-12-31 $3,613,626 179,693
2020-09-30 $2,389,968 127,465
2020-06-30 $984,511 43,834