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Atika Capital Management LLC

Position in ALKS — Alkermes plc.

CIK 1599731 NEW YORK, NY

Position in ALKS

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$2,911,919
New position
Shares Held
55,571
first reported quarter
Ownership
0.033%
of shares outstanding
% of Portfolio
0.29%
of 13F equity value
Holder Rank
#147
of 421 holders
Holding Since
Jun 2026
1 quarter on record
Voting authority Sole 100% Shared 0% None 0%

Derivatives in ALKS

reported options exposure · as of Jun 30, 2026
CallValue
$83,839
CallShares
1,600
PutValue
$0
PutShares
0

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Drug Manufacturers - Specialty & Generic

Healthcare · as of Jun 30, 2026

Atika Capital Management LLC holds $19,289,967 across 3 Drug Manufacturers - Specialty & Generic names. ALKS ranks #2 (15.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 ALKS
Alkermes plc.
This page
55,571 $2,911,919

All Filings in ALKS

Export CSV
2 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $2,911,919 55,571
2026-06-30 $83,839 1,600