Plug Power Inc
PLUG- Exchange
- Nasdaq
- Industry
- Electrical Industrial Apparatus
- SEC CIK
- 0001093691
In the last 90 days, Plug Power Inc insiders filed 0 open-market purchases and 2 sales; 511 institutions reported holding it in 13F filings for Q2 2026, worth $2.20B in total; Coatue Management is the only superinvestor holding it.
Holders of 5% or more of PLUG
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Plug Power Inc, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 12.80%178.1M shares | +2.30 ppfrom 10.50% | Jul 17, 20254 filings | Jul 29, 2026 | SEC |
| Vanguard Capital Management LLC | 13G | 5.23%73.0M shares | New | Apr 30, 20261 filing | Apr 30, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
12 Schedule 13D and 13G filings on Plug Power Inc, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Jul 29, 20263:19 PM ET | BlackRock, Inc. | 13G/A | 12.80%178.1M shares | +2.30 ppfrom 10.50% | Jun 30, 2026 | SEC |
| Apr 30, 202612:11 PM ET | Vanguard Capital Management LLC | 13G | 5.23%73.0M shares | New | Mar 31, 2026 | SEC |
| Apr 7, 202612:39 PM ET | BlackRock, Inc. | 13G/A | 10.50%147.0M shares | +2.20 ppfrom 8.30% | Mar 31, 2026 | SEC |
| Mar 27, 202611:22 AM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | –Below 5% | Mar 13, 2026 | SEC |
| Oct 17, 20256:24 PM ET | BlackRock, Inc. | 13G/A | 8.30%98.2M shares | +1.10 ppfrom 7.20% | Sep 30, 2025 | SEC |
| Jul 24, 202511:11 AM ET | Norges Bank | 13G/A | 0.40%5.01M shares | –Below 5% | Jun 30, 2025 | SEC |
| Jul 17, 20257:54 PM ET | BlackRock, Inc. | 13G/A | 7.20%83.1M shares | – | Jun 30, 2025 | SEC |
| Jun 25, 20258:59 PM ET | Grove Energy Capital LLCand 6 others | 13D/A | 4.80%55.0M shares | –Below 5% | Jun 6, 2025 | SEC |
| Mar 8, 2021 | Grove Energy Capital LLC | 13DOld format | – | New | – | SEC |
| Feb 16, 2021 | D. E. Shaw & Co, L.P. | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2021 | Vanguard Group Inc | 13GOld format | – | New | – | SEC |
| Jan 26, 20216:52 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Plug Power Inc shares.
No Form 144 notices for Plug Power Inc are on file.