DOSSIER · 13F Holders · Q1 2026

ALKERMES PLC

1 institutions still hold ALKERMES PLC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP G01767106·1 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$3M
visible holders
Holders
1
filers reporting
Concentration
100.00%
GENDELL JEFFREY L #1
top holder share
AI Holders Summary · Q1 2026

1 institutions reported ALKERMES PLC in Q1 2026. GENDELL JEFFREY L leads at 100.0% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
GENDELL JEFFREY L
CIK 0001056581
$3M88K0.04%Q1 2026