Campbell & CO Investment Adviser LLC
Position in AMPH — Amphastar Pharmaceuticals, Inc.
CIK 1353570
BALTIMORE, MD
Position in AMPH
as of Jun 30, 2026
· filed Aug 3, 2026
Position Value
$468,397
-$353,266 QoQ
Shares Held
23,211
-24.3% QoQ
Ownership
0.055%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#92
of 209 holders
Holding Since
Jun 2020
14 quarters on record
Voting authority
Sole 0%
Shared 0%
None 100%
Common Shares in AMPH Over Time
Shares Held
Position Value (USD)
Position in Drug Manufacturers - Specialty & Generic
Healthcare · as of Jun 30, 2026Campbell & CO Investment Adviser LLC holds $22,192,108 across 17 Drug Manufacturers - Specialty & Generic names. AMPH ranks #11 (2.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | UTHR |
UNITED THERAPEUTICS Corp
|
13,309 | $7,211,215 | |
| 2 | INDV |
Indivior Pharmaceuticals, Inc.
|
69,871 | $2,866,807 | |
| 3 | PRGO |
PERRIGO Co plc
|
200,105 | $2,079,090 | |
| 4 | AMLX |
Amylyx Pharmaceuticals, Inc.
|
100,963 | $1,813,295 | |
| 5 | ZTS |
Zoetis Inc.
|
23,125 | $1,661,762 | |
| 6 | HROW |
Harrow, Inc.
|
36,286 | $1,541,066 | |
| 7 | ELAN |
Elanco Animal Health Inc
|
45,378 | $1,116,752 | |
| 8 | PBH |
Prestige Consumer Healthcare Inc.
|
19,175 | $906,402 |
All Filings in AMPH
Export CSV
14 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $468,397 | 23,211 | Shares | Sole | 2026-08-03 | |
| 2025-12-31 | $821,663 | 30,682 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $1,174,412 | 44,068 | Shares | Sole | 2025-10-28 | |
| 2025-06-30 | $515,061 | 22,433 | Shares | Sole | 2025-08-07 | |
| 2025-03-31 | $1,327,423 | 45,789 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $1,766,125 | 47,566 | Shares | Sole | 2025-02-10 | |
| 2024-06-30 | $346,720 | 8,668 | Shares | Sole | 2024-08-13 | |
| 2024-03-31 | $605,606 | 13,792 | Shares | Sole | 2024-05-10 | |
| 2021-12-31 | $344,692 | 14,800 | Shares | Sole | 2022-02-10 | |
| 2021-09-30 | $201,506 | 10,600 | Shares | Sole | 2021-11-10 | |
| 2021-03-31 | $219,125 | 11,961 | Shares | Sole | 2021-05-14 | |
| 2020-12-31 | $314,258 | 15,627 | Shares | Sole | 2021-02-09 | |
| 2020-09-30 | $302,381 | 16,127 | Shares | Sole | 2020-10-15 | |
| 2020-06-30 | $429,592 | 19,127 | Shares | Sole | 2020-07-29 | |
| No filing history on record for this holder in this stock. | ||||||