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Driehaus Capital Management LLC

Position in ALKS — Alkermes plc.

CIK 938206 Chicago, IL

Position in ALKS

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$64,913,591
+$36,909,780 QoQ
Shares Held
1,238,809
+56.4% QoQ
Ownership
0.738%
of shares outstanding
% of Portfolio
0.38%
of 13F equity value
Holder Rank
#30
of 423 holders
Holding Since
Mar 2025
6 quarters on record
Voting authority Sole 85% Shared 0% None 15%

Common Shares in ALKS Over Time

Shares Held

Position Value (USD)

Position in Drug Manufacturers - Specialty & Generic

Healthcare · as of Jun 30, 2026

Driehaus Capital Management LLC holds $285,823,124 across 6 Drug Manufacturers - Specialty & Generic names. ALKS ranks #2 (22.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 ALKS
Alkermes plc.
This page
1,238,809 $64,913,591

All Filings in ALKS

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6 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $64,913,591 1,238,809
2026-03-31 $28,003,811 791,963
2025-12-31 $22,299,164 796,968
2025-09-30 $24,824,190 827,473
2025-06-30 $23,655,062 826,811
2025-03-31 $26,179,279 792,831