Skip to main content

VANGUARD PORTFOLIO MANAGEMENT LLC

Position in ALKS — Alkermes plc.

CIK 2100121 MALVERN, PA

Position in ALKS

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$497,318,863
+$161,005,943 QoQ
Shares Held
9,490,818
-0.2% QoQ
Ownership
5.66%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#3
of 421 holders
Holding Since
Mar 2026
2 quarters on record
Voting authority Sole 0% Shared 0% None 100%

Common Shares in ALKS Over Time

Shares Held

Position Value (USD)

Position in Drug Manufacturers - Specialty & Generic

Healthcare · as of Jun 30, 2026

VANGUARD PORTFOLIO MANAGEMENT LLC holds $7,792,404,186 across 40 Drug Manufacturers - Specialty & Generic names. ALKS ranks #6 (6.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
6 ALKS
Alkermes plc.
This page
9,490,818 $497,318,863

All Filings in ALKS

Export CSV
2 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $497,318,863 9,490,818
2026-03-31 $336,312,920 9,511,112