Driehaus Capital Management LLC
Position in AMLX — Amylyx Pharmaceuticals, Inc.
CIK 938206
Chicago, IL
Position in AMLX
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$54,543,981
+$13,022,638 QoQ
Shares Held
3,036,970
+1.7% QoQ
Ownership
2.73%
of shares outstanding
% of Portfolio
0.32%
of 13F equity value
Holder Rank
#10
of 207 holders
Holding Since
Jun 2025
5 quarters on record
Voting authority
Sole 87%
Shared 0%
None 13%
Common Shares in AMLX Over Time
Shares Held
Position Value (USD)
Position in Drug Manufacturers - Specialty & Generic
Healthcare · as of Jun 30, 2026Driehaus Capital Management LLC holds $285,823,124 across 6 Drug Manufacturers - Specialty & Generic names. AMLX ranks #3 (19.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | INDV |
Indivior Pharmaceuticals, Inc.
|
2,299,054 | $94,330,185 | |
| 2 | ALKS |
Alkermes plc.
|
1,238,809 | $64,913,591 | |
| 3 | AMLX |
Amylyx Pharmaceuticals, Inc.
This page
|
3,036,970 | $54,543,981 | |
| 4 | KNSA |
Kiniksa Pharmaceuticals International, plc
|
718,199 | $45,928,826 | |
| 5 | ELAN |
Elanco Animal Health Inc
|
650,940 | $16,019,633 | |
| 6 | ANIP |
Ani Pharmaceuticals Inc
|
121,852 | $10,086,908 |
All Filings in AMLX
Export CSV
5 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $54,543,981 | 3,036,970 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $41,521,343 | 2,987,147 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $37,562,796 | 3,109,503 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $32,898,223 | 2,420,767 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $8,108,630 | 1,264,997 | Shares | Sole | 2025-08-14 | |
| No filing history on record for this holder in this stock. | ||||||