PLUG POWER INC (PLUG) Institutional Ownership and Insiders Activity

PLUG POWER INC (PLUG) is widely held by institutional investors, with 481 firms reporting positions valued at approximately $2.18B based on SEC Form 13F filings for the quarter ended June 30, 2026.

Blackrock, Inc. is the largest disclosed holder, reporting approximately $498.73M in PLUG holdings in its latest filing.

Recent insider activity includes 7 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.