Russell Investments Group, Ltd.
Position in AMPH — Amphastar Pharmaceuticals, Inc.
CIK 1692234
Seattle, WA
Position in AMPH
as of Jun 30, 2026
· filed Aug 6, 2026
Position Value
$365,418
+$297,931 QoQ
Shares Held
18,108
+425.6% QoQ
Ownership
0.043%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#99
of 209 holders
Holding Since
Mar 2020
26 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, 2026Russell Investments Group, Ltd. holds $362,370,004 across 49 Drug Manufacturers - Specialty & Generic names. AMPH ranks #32 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ZTS |
Zoetis Inc.
|
893,500 | $64,206,902 | |
| 2 | NBIX |
Neurocrine Biosciences Inc
|
329,065 | $55,460,607 | |
| 3 | VTRS |
Viatris Inc
|
3,423,675 | $54,367,956 | |
| 4 | UTHR |
UNITED THERAPEUTICS Corp
|
61,355 | $33,243,974 | |
| 5 | ELAN |
Elanco Animal Health Inc
|
1,112,894 | $27,388,318 | |
| 6 | LNTH |
Lantheus Holdings, Inc.
|
147,146 | $16,324,370 | |
| 7 | TEVA |
Teva Pharmaceutical Industries Ltd
|
427,444 | $14,481,798 | |
| 8 | ALKS |
Alkermes plc.
|
222,624 | $11,665,496 |
All Filings in AMPH
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $365,418 | 18,108 | Shares | Defined | 2026-08-06 | |
| 2026-03-31 | $67,487 | 3,445 | Shares | Defined | 2026-05-08 | |
| 2025-12-31 | $99,862 | 3,729 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $204,270 | 7,665 | Shares | Defined | 2025-11-13 | |
| 2025-06-30 | $19,171 | 835 | Shares | Defined | 2025-08-13 | |
| 2025-03-31 | $59,660 | 2,058 | Shares | Defined | 2025-05-13 | |
| 2024-12-31 | $7,277 | 196 | Shares | Defined | 2025-02-13 | |
| 2024-09-30 | $146,268 | 3,014 | Shares | Defined | 2024-11-13 | |
| 2024-06-30 | $120,560 | 3,014 | Shares | Defined | 2024-08-08 | |
| 2024-03-31 | $1,507,033 | 34,321 | Shares | Defined | 2024-05-08 | |
| 2023-12-31 | $3,937,801 | 63,667 | Shares | Defined | 2024-02-05 | |
| 2023-09-30 | $6,002,658 | 130,521 | Shares | Defined | 2023-11-13 | |
| 2023-06-30 | $2,109,377 | 36,704 | Shares | Defined | 2023-08-10 | |
| 2023-03-31 | $1,358,099 | 36,216 | Shares | Sole | 2023-05-09 | |
| 2022-12-31 | $2,048,316 | 73,102 | Shares | Defined | 2023-02-08 | |
| 2022-09-30 | $2,006,169 | 71,394 | Shares | Sole | 2022-11-04 | |
| 2022-06-30 | $7,925,473 | 227,809 | Shares | Defined | 2022-07-29 | |
| 2022-03-31 | $5,540,768 | 154,339 | Shares | Sole | 2022-05-05 | |
| 2021-12-31 | $2,986,266 | 128,221 | Shares | Sole | 2022-01-21 | |
| 2021-09-30 | $3,201,378 | 168,405 | Shares | Defined | 2021-11-08 | |
| 2021-06-30 | $7,882 | 391 | Shares | Defined | 2021-08-04 | |
| 2021-03-31 | $657,651 | 35,898 | Shares | Defined | 2021-05-10 | |
| 2020-12-31 | $172,925 | 8,599 | Shares | Defined | 2021-02-08 | |
| 2020-09-30 | $161,231 | 8,599 | Shares | Defined | 2020-11-09 | |
| 2020-06-30 | $407,783 | 18,156 | Shares | Defined | 2020-08-05 | |
| 2020-03-31 | $115,752 | 7,800 | Shares | Defined | 2020-05-06 | |
| No filing history on record for this holder in this stock. | ||||||