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
0.440%
of shares outstanding
% of Portfolio
0.21%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2025
3 quarters on record
Voting authority
Sole 69%
Shared 0%
None 31%
Common Shares in AMPH Over Time
Shares Held
Position Value (USD)
Position in Drug Manufacturers - Specialty & Generic
Healthcare · as of Jun 30, 2026RICE HALL JAMES & ASSOCIATES, LLC holds $193,433,636 across 12 Drug Manufacturers - Specialty & Generic names.
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | KNSA |
Kiniksa Pharmaceuticals International, plc
|
624,928 | $39,964,145 | |
| 2 | PBH |
Prestige Consumer Healthcare Inc.
|
689,692 | $32,601,740 | |
| 3 | BCRX |
Biocryst Pharmaceuticals Inc
|
2,332,043 | $23,320,430 | |
| 4 | SUPN |
Supernus Pharmaceuticals, Inc.
|
490,221 | $22,800,178 | |
| 5 | ALKS |
Alkermes plc.
|
390,866 | $20,481,378 | |
| 6 | NBIX |
Neurocrine Biosciences Inc
|
100,195 | $16,886,865 | |
| 7 | HROW |
Harrow, Inc.
|
387,545 | $16,459,036 | |
| 8 | EOLS |
Evolus, Inc.
|
1,289,888 | $8,951,822 |
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. | ||||||