Skip to main content

BAKER BROS. ADVISORS LP

Position in ALKS — Alkermes plc.

CIK 1263508 NEW YORK, NY

Position in ALKS

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$524,642,790
+$170,609,029 QoQ
Shares Held
10,012,267
0.0% QoQ
Ownership
5.97%
of shares outstanding
% of Portfolio
2.64%
of 13F equity value
Holder Rank
#2
of 423 holders
Holding Since
Mar 2020
19 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ALKS Over Time

Shares Held

Position Value (USD)

Position in Drug Manufacturers - Specialty & Generic

Healthcare · as of Jun 30, 2026

BAKER BROS. ADVISORS LP holds $705,918,209 across 2 Drug Manufacturers - Specialty & Generic names. ALKS ranks #1 (74.3% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 ALKS
Alkermes plc.
This page
10,012,267 $524,642,790

All Filings in ALKS

Export CSV
19 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $524,642,790 10,012,267
2026-03-31 $354,033,761 10,012,267
2025-12-31 $280,143,230 10,012,267
2025-09-30 $242,740,530 8,091,351
2025-06-30 $183,407,351 6,410,603
2025-03-31 $148,038,070 4,483,285
2024-12-31 $120,267,158 4,181,751
2024-09-30 $117,047,210 4,181,751
2024-06-30 $100,780,199 4,181,751
2022-09-30 $18,199,307 815,016
2022-06-30 $44,685,000 1,500,000
2022-03-31 $39,465,000 1,500,000
2021-12-31 $34,890,000 1,500,000
2021-09-30 $37,876,762 1,228,170
2021-06-30 $30,114,728 1,228,170
2021-03-31 $22,942,215 1,228,170
2020-12-31 $30,626,222 1,535,149
2020-06-30 $24,160,481 1,244,744
2020-03-31 $17,949,208 1,244,744