Gulfstream Capital

Public filings / ALKS on Yahoo Finance (opens in a new tab)

ALKS: insider buying, 13F holders, analyst moves

Alkermes Plc - US

A summary of public filings about Alkermes Plc - US. For the latest insider history, price chart, analyst changes and activist filings, open the live lookup.

Open the live ALKS lookup

SEC Form 13F · Q2 2026

5 of our 100 managers hold ALKS

Combined reported value $843.9M; 3 sold out since Q1 2026.

Holders among our 100 managers: 3 in Q3 2023, 5 in Q2 2026.

ManagerValue% of portfolioChange vs Q1 2026
Baker Bros. Advisors$524.6M2.63%Unchanged
Deep Track Capital$209.6M3.09%Added
RTW Investments$87.6M0.75%Unchanged
Jeffrey L. Gendell$20.7M0.19%Added
Tudor Investment$1.4M0.01%New

All holders and who sold out

Important information

Facts from public SEC filings, shown for information only. Not a recommendation. Not individualized investment advice. Gulfstream Capital and its clients may hold positions in securities shown.