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Round Rock Advisors LLC

Position in ALKS — Alkermes plc.

CIK 1846991 WILTON, CT

Position in ALKS

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$634,429
+$140,415 QoQ
Shares Held
17,942
+1.6% QoQ
Ownership
0.011%
of shares outstanding
% of Portfolio
0.23%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Sep 2025
3 quarters on record
Voting authority Sole 99.52067773938246.ToString("F0")% Shared 0.ToString("F0")% None 0.4793222606175454.ToString("F0")%

Common Shares in ALKS Over Time

Shares Held

Position Value (USD)

Position in Drug Manufacturers - Specialty & Generic

Healthcare · as of Mar 31, 2026

Round Rock Advisors LLC holds $4,278,133 across 10 Drug Manufacturers - Specialty & Generic names. ALKS ranks #1 (14.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 ALKS
Alkermes plc.
This page
17,942 $634,429

All Filings in ALKS

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3 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $634,429 17,942
2025-12-31 $494,014 17,656
2025-09-30 $497,700 16,590