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PLUG PWR INC (PLUG)

Institutional ownership, SEC filings and insider activity

Sector: Industry · SEC CIK 0001093691 · EDGAR filings · Updated 2026-07-13

PLUG PWR INC (PLUG) has reported institutional ownership of 54.1%, with 470 institutional managers holding positions valued at $1.70B per the latest 13F reporting period. SEC filings include an active material impairment disclosure (8-K Item 2.06), non-reliance notice on previously issued financial statements (8-K Item 4.02), notice of delisting or failure to satisfy a continued listing rule (8-K Item 3.01), substantial-doubt (going concern) disclosure per the filings.

Institutional ownership
54.1%
Institutional managers
470
Reported 13F value
$1.70B
Insider activity
62 trans.
$700.1K net buying
Data flags
4 active
from SEC filings

Latest updates

Institutional ownership overview

According to SEC 13F filings tracked by Sightfile, PLUG PWR INC has 470 institutional holders and institutional ownership of 54.1%.

Insider activity

Insiders reported 62 transactions (3 buys, 6 sells) across 14 reporting insiders, with a net reported value of $700.1K.

Data flags from SEC filings

Active substantial-doubt (going concern) disclosure per the filings, most recently filed 2024-02-29 (recurring since 2023-11-09) — source filing. The authoritative details are those stated in the filing itself.
Active notice of delisting or failure to satisfy a continued listing rule (8-K Item 3.01), most recently filed 2021-05-19 (recurring since 2021-03-18) — source filing. The authoritative details are those stated in the filing itself.
Active material impairment disclosure (8-K Item 2.06), most recently filed 2021-05-10 (recurring since 2021-03-16) — source filing. The authoritative details are those stated in the filing itself.
Active non-reliance notice on previously issued financial statements (8-K Item 4.02), most recently filed 2021-03-16 (recurring since 2021-03-16) — source filing. The authoritative details are those stated in the filing itself.

Related companies

NUSCALE PWR CORP (SMR) · ENERFLEX LTD (EFXT) · FLUENCE ENERGY INC CLASS A (FLNC) · HILLMAN SOLUTIONS CORP (HLMN) · DUCOMMUN INC DEL (DCO) · GREENBRIER COS INC COM (GBX)

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Sightfile provides information only — not investment advice, recommendations, or an assessment of any security. Data is derived from official public sources (SEC EDGAR and U.S. government agencies), may contain errors or delays, and should be verified against the source filing before relying on it.
Data sources: SEC EDGAR (filings, 13F, FTD), aggregated by Sightfile. Page updated 2026-07-13.