Position in AMPH
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$20,092,287
-$13,042,177 QoQ
Shares Held
1,025,640
-17.1% QoQ
Ownership
2.33%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
14 quarters on record
Voting authority
Sole 0.ToString("F0")%
Shared 100.ToString("F0")%
None 0.ToString("F0")%
Common Shares in AMPH Over Time
Shares Held
Position Value (USD)
Position in Drug Manufacturers - Specialty & Generic
Healthcare · as of Mar 31, 2026MARSHALL WACE, LLP holds $558,161,566 across 33 Drug Manufacturers - Specialty & Generic names. AMPH ranks #10 (3.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VTRS |
Viatris Inc
|
9,349,817 | $126,316,026 | |
| 2 | NBIX |
Neurocrine Biosciences Inc
|
508,977 | $67,052,628 | |
| 3 | LNTH |
Lantheus Holdings, Inc.
|
611,747 | $46,401,008 | |
| 4 | UTHR |
UNITED THERAPEUTICS Corp
|
75,977 | $45,052,841 | |
| 5 | RDY |
Dr Reddys Laboratories Ltd
|
2,664,306 | $36,900,638 | |
| 6 | ALKS |
Alkermes plc.
|
999,322 | $35,336,024 | |
| 7 | ELAN |
Elanco Animal Health Inc
|
1,382,412 | $33,081,118 | |
| 8 | COLL |
Collegium Pharmaceutical, Inc
|
748,812 | $24,763,212 |
All Filings in AMPH
Export CSV
14 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 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. | ||||||