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Tower Research Capital LLC (TRC)

Position in ALKS — Alkermes plc.

CIK 1533421 NEW YORK, NY

Position in ALKS

as of Jun 30, 2026 · filed Aug 11, 2026
Position Value
$322,626
-$247,377 QoQ
Shares Held
6,157
-61.8% QoQ
Ownership
0.004%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#273
of 421 holders
Holding Since
Jun 2020
24 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

Tower Research Capital LLC (TRC) holds $14,082,412 across 58 Drug Manufacturers - Specialty & Generic names. ALKS ranks #7 (2.3% of the industry book) .

# Ticker Company Shares Value (USD) Open
7 ALKS
Alkermes plc.
This page
6,157 $322,626

All Filings in ALKS

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24 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $322,626 6,157
2026-03-31 $570,003 16,120
2025-12-31 $72,300 2,584
2025-09-30 $133,920 4,464
2025-06-30 $392,242 13,710
2025-03-31 $240,153 7,273
2024-12-31 $594,583 20,674
2024-09-30 $117,277 4,190
2024-06-30 $589,100 24,444
2024-03-31 $10,150 375
2023-12-31 $1,126,521 40,610
2023-09-30 $74,197 2,649
2023-06-30 $233,873 7,472
2023-03-31 $143,684 5,097
2022-12-31 $53,513 2,048
2022-09-30 $439,364 19,676
2022-06-30 $376,723 12,646
2022-03-31 $34,176 1,299
2021-12-31 $378,113 16,256
2021-09-30 $194,569 6,309
2021-06-30 $164,185 6,696
2021-03-31 $25,853 1,384
2020-12-31 $429,324 21,520
2020-06-30 $86,510 4,457