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Plug Power Inc. (PLUG) Institutional Ownership & Insider Trading

505 institutions reported holding Plug Power Inc. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 10 insider trades on Form 4 since 2025-10-01.

Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason

PLUGPlug Power Inc.Follow PLUG — free
Electrical Equipment & Parts · Industrials
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Price chart with a free account
Market cap
1.9B
P/E TTM
—
Dividend yield
—
52-week
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Next earnings
9 Nov, in 16 days

Institutions · all 13F filers

quarter to 30 Jun 2026 · filers in both quarters

505 institutions held 58.3% of the shares. Across filers that reported both quarters, shares held changed +7.8%.

Increased+172New+69Decreased-100Closed-34

Largest moves, shares (millions)

BlackRock+31.9MCitadel Advisors+23.3MHandelsbanken Fonder AB+15.5MD. E. Shaw-27.0MRenaissance Technologies-16.0MHrt Financial-11.9M

Institutional flow by quarter

net shares added or trimmed, millions · filers in both quarters
-8.2Sep 24+35.1Dec 24+23.4Mar 25+12.7Jun 25+104.9Sep 25+117.0Dec 25+108.9Mar 26+59.1Jun 26
QuarterHoldersShares held, MChangeIncreasedNewDecreasedClosed
Jun 26505814+7.8%1726910034
Mar 26464754+21.3%148569339
Dec 25446650+22.0%143509255
Sep 25434532+24.6%131618937
Jun 25417427+3.1%132498347
Mar 25415411+6.1%1104810566
Dec 24443459+9.9%1164411251
Sep 24427354-2.9%1243510249

Plug Power Inc. — questions

Who owns Plug Power Inc. stock?
505 institutions reported Plug Power Inc. shares in 13F filings for the quarter ended 2026-06-30. The largest: BlackRock, Inc. (13.2%), VANGUARD PORTFOLIO MANAGEMENT LLC (4.7%), VANGUARD CAPITAL MANAGEMENT LLC (4.5%).
Are Plug Power Inc. insiders buying or selling?
10 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.

Every figure on this page comes from Plug Power Inc.'s own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.

How these figures are read: methodology · EquiReason.