Legato Capital Management LLC
Position in AMPH — Amphastar Pharmaceuticals, Inc.
CIK 1442641
San Francisco, CA
Position in AMPH
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$668,704
-$43,376 QoQ
Shares Held
34,135
+28.4% QoQ
Ownership
0.077%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2023
12 quarters on record
Common Shares in AMPH Over Time
Shares Held
Position Value (USD)
Position in Drug Manufacturers - Specialty & Generic
Healthcare · as of Mar 31, 2026Legato Capital Management LLC holds $15,801,793 across 13 Drug Manufacturers - Specialty & Generic names. AMPH ranks #9 (4.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | KNSA |
Kiniksa Pharmaceuticals International, plc
|
70,805 | $3,409,260 | |
| 2 | SIGA |
Siga Technologies Inc
|
512,039 | $2,739,408 | |
| 3 | PBH |
Prestige Consumer Healthcare Inc.
|
40,644 | $2,408,969 | |
| 4 | XERS |
Xeris Biopharma Holdings, Inc.
|
234,144 | $1,358,035 | |
| 5 | LQDA |
Liquidia Corp
|
24,516 | $925,233 | |
| 6 | PCRX |
Pacira BioSciences, Inc.
|
39,007 | $881,558 | |
| 7 | BCRX |
Biocryst Pharmaceuticals Inc
|
87,010 | $828,335 | |
| 8 | SUPN |
Supernus Pharmaceuticals, Inc.
|
14,108 | $729,242 |
All Filings in AMPH
Export CSV
12 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $668,704 | 34,135 | Shares | Other | 2026-05-14 | |
| 2025-12-31 | $712,080 | 26,590 | Shares | Other | 2026-02-06 | |
| 2025-09-30 | $960,999 | 36,060 | Shares | Other | 2025-11-12 | |
| 2025-06-30 | $827,937 | 36,060 | Shares | Other | 2025-08-14 | |
| 2025-03-31 | $860,974 | 29,699 | Shares | Other | 2025-05-06 | |
| 2024-12-31 | $685,456 | 18,461 | Shares | Other | 2025-01-29 | |
| 2024-09-30 | $895,912 | 18,461 | Shares | Other | 2024-11-07 | |
| 2024-06-30 | $592,400 | 14,810 | Shares | Other | 2024-07-26 | |
| 2024-03-31 | $461,362 | 10,507 | Shares | Other | 2024-04-15 | |
| 2023-12-31 | $941,171 | 15,217 | Shares | Other | 2024-01-16 | |
| 2023-09-30 | $358,078 | 7,786 | Shares | Other | 2023-10-12 | |
| 2023-06-30 | $464,989 | 8,091 | Shares | Other | 2023-08-18 | |
| No filing history on record for this holder in this stock. | ||||||