FOX RUN MANAGEMENT, L.L.C.
Position in AMPH — Amphastar Pharmaceuticals, Inc.
CIK 1533457
GREENWICH, CT
Position in AMPH
as of Jun 30, 2026
· filed Aug 4, 2026
Position Value
$293,740
-$192,989 QoQ
Shares Held
14,556
-31.3% QoQ
Ownership
0.034%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
#107
of 208 holders
Holding Since
Mar 2024
5 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, 2026FOX RUN MANAGEMENT, L.L.C. holds $6,581,949 across 12 Drug Manufacturers - Specialty & Generic names. AMPH ranks #6 (4.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ZTS |
Zoetis Inc.
|
29,511 | $2,120,660 | |
| 2 | INDV |
Indivior Pharmaceuticals, Inc.
|
24,876 | $1,020,662 | |
| 3 | AMLX |
Amylyx Pharmaceuticals, Inc.
|
44,817 | $804,913 | |
| 4 | BHC |
Bausch Health Companies Inc.
|
139,728 | $688,859 | |
| 5 | ELAN |
Elanco Animal Health Inc
|
18,952 | $466,408 | |
| 6 | AMPH |
Amphastar Pharmaceuticals, Inc.
This page
|
14,556 | $293,740 | |
| 7 | TLRY |
Tilray Brands, Inc.
|
63,112 | $283,372 | |
| 8 | AMRX |
Amneal Pharmaceuticals, Inc.
|
16,028 | $277,444 |
All Filings in AMPH
Export CSV
5 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $293,740 | 14,556 | Shares | Sole | 2026-08-04 | |
| 2025-06-30 | $486,729 | 21,199 | Shares | Sole | 2025-08-06 | |
| 2024-12-31 | $687,870 | 18,526 | Shares | Sole | 2025-02-11 | |
| 2024-06-30 | $259,480 | 6,487 | Shares | Sole | 2024-08-13 | |
| 2024-03-31 | $337,623 | 7,689 | Shares | Sole | 2024-05-13 | |
| No filing history on record for this holder in this stock. | ||||||