Position in AMPH
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$21,518,377
+$1,426,090 QoQ
Shares Held
1,066,322
+4.0% QoQ
Ownership
2.51%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#6
of 208 holders
Holding Since
Mar 2020
15 quarters on record
Voting authority
Sole 0%
Shared 100%
None 0%
Common Shares in AMPH Over Time
Shares Held
Position Value (USD)
Position in Drug Manufacturers - Specialty & Generic
Healthcare · as of Jun 30, 2026MARSHALL WACE, LLP holds $609,159,561 across 30 Drug Manufacturers - Specialty & Generic names. AMPH ranks #7 (3.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | HIMS |
Hims & Hers Health, Inc.
|
4,217,767 | $146,229,981 | |
| 2 | ELAN |
Elanco Animal Health Inc
|
4,432,350 | $109,080,132 | |
| 3 | LNTH |
Lantheus Holdings, Inc.
|
773,978 | $85,865,119 | |
| 4 | ALKS |
Alkermes plc.
|
969,954 | $50,825,589 | |
| 5 | NBIX |
Neurocrine Biosciences Inc
|
270,754 | $45,632,878 | |
| 6 | RDY |
Dr Reddys Laboratories Ltd
|
2,025,356 | $29,347,408 | |
| 7 | AMPH |
Amphastar Pharmaceuticals, Inc.
This page
|
1,066,322 | $21,518,377 | |
| 8 | ZTS |
Zoetis Inc.
|
257,470 | $18,501,794 |
All Filings in AMPH
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15 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $21,518,377 | 1,066,322 | Shares | Other | 2026-08-13 | |
| 2026-03-31 | $20,092,287 | 1,025,640 | Shares | Other | 2026-05-15 | |
| 2025-12-31 | $33,134,464 | 1,237,284 | Shares | Other | 2026-02-13 | |
| 2025-09-30 | $23,293,912 | 874,068 | Shares | Other | 2025-11-13 | |
| 2025-06-30 | $19,485,806 | 848,685 | Shares | Other | 2025-08-13 | |
| 2025-03-31 | $29,909,619 | 1,031,722 | Shares | Other | 2025-05-15 | |
| 2024-12-31 | $22,601,253 | 608,706 | Shares | Other | 2025-02-13 | |
| 2024-09-30 | $27,589,013 | 568,494 | Shares | Other | 2024-11-14 | |
| 2024-06-30 | $9,085,080 | 227,127 | Shares | Other | 2024-08-14 | |
| 2023-03-31 | $2,407,837 | 64,209 | Shares | Other | 2023-05-15 | |
| 2022-09-30 | $889,027 | 31,638 | Shares | Other | 2022-11-14 | |
| 2022-06-30 | $989,462 | 28,441 | Shares | Other | 2022-08-15 | |
| 2022-03-31 | $625,270 | 17,417 | Shares | Other | 2022-05-16 | |
| 2020-06-30 | $2,969,840 | 132,228 | Shares | Sole | 2020-08-13 | |
| 2020-03-31 | $4,480,344 | 301,910 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||