Skip to main content

AMERICAN CENTURY COMPANIES INC

Position in AMPH — Amphastar Pharmaceuticals, Inc.

CIK 748054 KANSAS CITY, MO

Position in AMPH

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$23,744,312
+$3,810,743 QoQ
Shares Held
1,176,626
+15.6% QoQ
Ownership
2.77%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#5
of 209 holders
Holding Since
Jun 2021
21 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

AMERICAN CENTURY COMPANIES INC holds $971,828,721 across 33 Drug Manufacturers - Specialty & Generic names. AMPH ranks #9 (2.4% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in AMPH

Export CSV
21 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $23,744,312 1,176,626
2026-03-31 $19,933,569 1,017,538
2025-12-31 $17,817,698 665,336
2025-09-30 $7,690,790 288,585
2025-06-30 $5,353,376 233,161
2025-03-31 $8,928,717 307,993
2024-12-31 $17,525,991 472,017
2024-09-30 $31,039,399 639,592
2024-06-30 $29,616,320 740,408
2024-03-31 $27,164,658 618,644
2023-12-31 $20,886,126 337,690
2023-09-30 $9,210,739 200,277
2023-06-30 $7,563,569 131,609
2023-03-31 $4,530,787 120,821
2022-12-31 $1,087,176 38,800
2022-09-30 $1,573,038 55,980
2022-06-30 $1,575,743 45,293
2022-03-31 $2,808,457 78,230
2021-12-31 $2,177,894 93,512
2021-09-30 $1,601,041 84,221
2021-06-30 $1,880,686 93,288