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Tetragon Partners GP Ltd

Position in ALKS — Alkermes plc.

CIK 1515070 GRAND CAYMAN, E9

Position in ALKS

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$9,954,899
+$4,304,690 QoQ
Shares Held
189,979
+18.9% QoQ
Ownership
0.113%
of shares outstanding
% of Portfolio
1.62%
of 13F equity value
Holder Rank
#95
of 424 holders
Holding Since
Jun 2025
5 quarters on record
Voting authority Sole 0% Shared 100% 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

Tetragon Partners GP Ltd holds $15,305,649 across 2 Drug Manufacturers - Specialty & Generic names. ALKS ranks #1 (65.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 ALKS
Alkermes plc.
This page
189,979 $9,954,899

All Filings in ALKS

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5 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $9,954,899 189,979
2026-03-31 $5,650,209 159,791
2025-12-31 $3,949,992 141,172
2025-09-30 $2,688,360 89,612
2025-06-30 $447,231 15,632