Legato Capital Management LLC
Position in AMPH — Amphastar Pharmaceuticals, Inc.
CIK 1442641
San Francisco, CA
Position in AMPH
as of Jun 30, 2026
· filed Aug 6, 2026
Position Value
$688,844
+$20,140 QoQ
Shares Held
34,135
0.0% QoQ
Ownership
0.080%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2023
13 quarters on record
Common Shares in AMPH Over Time
Shares Held
Position Value (USD)
Position in Drug Manufacturers - Specialty & Generic
Healthcare · as of Jun 30, 2026Legato Capital Management LLC holds $15,423,810 across 11 Drug Manufacturers - Specialty & Generic names. AMPH ranks #7 (4.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | KNSA |
Kiniksa Pharmaceuticals International, plc
|
87,297 | $5,582,643 | |
| 2 | LQDA |
Liquidia Corp
|
25,352 | $2,021,314 | |
| 3 | XERS |
Xeris Biopharma Holdings, Inc.
|
241,341 | $1,911,420 | |
| 4 | SIGA |
Siga Technologies Inc
|
512,039 | $1,863,821 | |
| 5 | INDV |
Indivior Pharmaceuticals, Inc.
|
22,000 | $902,660 | |
| 6 | PCRX |
Pacira BioSciences, Inc.
|
30,668 | $778,047 | |
| 7 | AMPH |
Amphastar Pharmaceuticals, Inc.
This page
|
34,135 | $688,844 | |
| 8 | SUPN |
Supernus Pharmaceuticals, Inc.
|
11,482 | $534,027 |
All Filings in AMPH
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13 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $688,844 | 34,135 | Shares | Other | 2026-08-06 | |
| 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. | ||||||