Robeco Institutional Asset Management B.V.
Position in AMPH — Amphastar Pharmaceuticals, Inc.
CIK 1418773
ROTTERDAM, P7
Position in AMPH
as of Mar 31, 2026
· filed Apr 21, 2026
Position Value
$1,300,913
+$275,348 QoQ
Shares Held
66,407
+82.0% QoQ
Ownership
0.151%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2022
4 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.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, 2026Robeco Institutional Asset Management B.V. holds $377,171,810 across 14 Drug Manufacturers - Specialty & Generic names. AMPH ranks #10 (0.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | RDY |
Dr Reddys Laboratories Ltd
|
17,177,882 | $237,913,665 | |
| 2 | UTHR |
UNITED THERAPEUTICS Corp
|
127,902 | $75,843,327 | |
| 3 | VTRS |
Viatris Inc
|
1,908,453 | $25,783,200 | |
| 4 | NBIX |
Neurocrine Biosciences Inc
|
88,017 | $11,595,359 | |
| 5 | ALKS |
Alkermes plc.
|
220,521 | $7,797,622 | |
| 6 | ELAN |
Elanco Animal Health Inc
|
174,412 | $4,173,679 | |
| 7 | INDV |
Indivior Pharmaceuticals, Inc.
|
128,940 | $3,930,091 | |
| 8 | PCRX |
Pacira BioSciences, Inc.
|
158,096 | $3,572,969 |
All Filings in AMPH
Export CSV
4 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,300,913 | 66,407 | Shares | Defined | 2026-04-21 | |
| 2022-09-30 | $1,025,565 | 36,497 | Shares | Defined | 2022-12-01 | |
| 2022-06-30 | $1,269,730 | 36,497 | Shares | Defined | 2022-12-01 | |
| 2022-03-31 | $1,204,839 | 33,561 | Shares | Defined | 2022-12-01 | |
| No filing history on record for this holder in this stock. | ||||||