908 DEVICES INC (MASS) Institutional Ownership and Insiders Activity

908 DEVICES INC (MASS) is widely held by institutional investors, with 3 tracked firms reporting positions valued at approximately $18.24M based on SEC Form 13F filings for the quarter ended March 31, 2026.

ARK Invest is the largest disclosed holder, reporting approximately $11.91M in MASS holdings in its latest filing.

Institutional ownership among tracked investors remains highly concentrated, with ARK Invest representing the majority of disclosed value.