RICE HALL JAMES & ASSOCIATES, LLC
Position in AMPH — Amphastar Pharmaceuticals, Inc.
CIK 1230765
San Diego, CA
Position in AMPH
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$3,670,147
+$425,054 QoQ
Shares Held
187,348
+54.6% QoQ
Ownership
0.425%
of shares outstanding
% of Portfolio
0.20%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2025
3 quarters on record
Voting authority
Sole 69.43121890812819.ToString("F0")%
Shared 0.ToString("F0")%
None 30.56878109187181.ToString("F0")%
Common Shares in AMPH Over Time
Shares Held
Position Value (USD)
Position in Drug Manufacturers - Specialty & Generic
Healthcare · as of Mar 31, 2026RICE HALL JAMES & ASSOCIATES, LLC holds $163,984,394 across 13 Drug Manufacturers - Specialty & Generic names. AMPH ranks #9 (2.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | PBH |
Prestige Consumer Healthcare Inc.
|
521,622 | $30,916,535 | |
| 2 | KNSA |
Kiniksa Pharmaceuticals International, plc
|
608,416 | $29,295,230 | |
| 3 | SUPN |
Supernus Pharmaceuticals, Inc.
|
477,416 | $24,677,633 | |
| 4 | BCRX |
Biocryst Pharmaceuticals Inc
|
2,230,105 | $21,230,599 | |
| 5 | ALKS |
Alkermes plc.
|
390,344 | $13,802,563 | |
| 6 | NBIX |
Neurocrine Biosciences Inc
|
99,990 | $13,172,682 | |
| 7 | HROW |
Harrow, Inc.
|
368,177 | $12,981,921 | |
| 8 | EOLS |
Evolus, Inc.
|
1,254,819 | $5,157,306 |
All Filings in AMPH
Export CSV
3 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $3,670,147 | 187,348 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $3,245,093 | 121,176 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $3,446,884 | 129,339 | Shares | Sole | 2025-10-16 | |
| No filing history on record for this holder in this stock. | ||||||