PLUG POWER INC PLUG
COM NEW · Common Stock · CUSIP 72919P202 · ISIN US72919P2020
- SectorIndustrials
- IndustryElectrical Industrial Apparatus
- HeadquartersSlingerlands, NY
- Founded1997
- Websiteplugpower.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($1.3m this quarter). Holder counts are more reliable. Shares outstanding: 879.6m as of 2024-08-03, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $2.33. Options: 28 managers hold calls ($72.6m notional), 34 hold puts ($68.7m).
Trends to Q2 2024
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 571 |
| Q4 2022 | 575 |
| Q1 2023 | 560 |
| Q2 2023 | 536 |
| Q3 2023 | 515 |
| Q4 2023 | 490 |
| Q1 2024 | 471 |
| Q2 2024 | 461 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q4 2022 | 261 | 254 |
| Q1 2023 | 253 | 224 |
| Q2 2023 | 231 | 252 |
| Q3 2023 | 241 | 214 |
| Q4 2023 | 200 | 261 |
| Q1 2024 | 216 | 202 |
| Q2 2024 | 212 | 185 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2023 | $292.2m | $329.9m | 1.13 |
| Q4 2023 | $196.2m | $272.4m | 1.39 |
| Q1 2024 | $111.8m | $148.7m | 1.33 |
| Q2 2024 | $72.6m | $68.7m | 0.95 |
Biggest buyers
| VANGUARD GROUP INC | Added | +15.0m |
| BlackRock Inc. | Added | +14.1m |
| NORGES BANK | Added | +7.8m |
| GEODE CAPITAL MANAGEMENT, LLC | Added | +6.3m |
| Legal & General Group Plc | Added | +5.7m |
| GOLDMAN SACHS GROUP INC | Added | +1.9m |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Added | +1.7m |
| SG Americas Securities, LLC | Added | +1.4m |
| Bank of New York Mellon Corp | Added | +1.0m |
| VAN ECK ASSOCIATES CORP | Added | +923.6k |
Biggest sellers
| MORGAN STANLEY | Reduced | -27.3m |
| CITADEL ADVISORS LLC | Reduced | -3.8m |
| Swedbank AB | Reduced | -3.0m |
| Mirae Asset Global Investments Co., Ltd. | Reduced | -2.4m |
| D. E. Shaw & Co., Inc. | Reduced | -2.4m |
| JANE STREET GROUP, LLC | Reduced | -1.5m |
| BANK OF AMERICA CORP /DE/ | Reduced | -1.2m |
| HRT FINANCIAL LP | Sold out | -1.0m |
| CITIGROUP INC | Reduced | -916.6k |
| Balyasny Asset Management L.P. | Reduced | -874.1k |
Biggest calls
| CITADEL ADVISORS LLC | Added | $14.3m6.1m shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $10.9m4.7m shares |
| CAPITAL FUND MANAGEMENT S.A. | Reduced | $7.9m3.4m shares |
| D. E. Shaw & Co., Inc. | Reduced | $7.2m3.1m shares |
| Squarepoint Ops LLC | Reduced | $5.3m2.3m shares |
| IMC-Chicago, LLC | Added | $4.6m2.0m shares |
| SIMPLEX TRADING, LLC | Reduced | $3.9m1.7m shares |
| GROUP ONE TRADING LLC | Added | $2.9m1.2m shares |
| JANE STREET GROUP, LLC | Added | $2.5m1.1m shares |
| Eisler Capital (UK) Ltd. | Unchanged | $2.3m1.0m shares |
Biggest puts
| CITADEL ADVISORS LLC | Added | $9.4m4.1m shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $9.3m4.0m shares |
| JANE STREET GROUP, LLC | Added | $7.8m3.3m shares |
| SIMPLEX TRADING, LLC | Reduced | $6.4m2.7m shares |
| IMC-Chicago, LLC | Added | $4.9m2.1m shares |
| D. E. Shaw & Co., Inc. | Added | $3.9m1.7m shares |
| HAP Trading, LLC | Reduced | $3.7m910.9k shares |
| CITIGROUP INC | Reduced | $3.0m1.3m shares |
| Walleye Trading LLC | Added | $2.4m1.0m shares |
| Graham Capital Management, L.P. | Added | $2.2m924.1k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| BlackRock, Inc. 13G · institution +2.3 pts · filed 2026-07-29 | 12.8% |
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-30 | 5.2% |
Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-27; now reported by VANGUARD CAPITAL MANAGEMENT LLC)
Insider purchases and sales in Q2 2024
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q3 2022 | 0 | — | 0 | — | — |
| Q4 2022 | 0 | — | 0 | — | — |
| Q1 2023 | 0 | — | 0 | — | — |
| Q2 2023 | 0 | — | 0 | — | — |
| Q3 2023 | 0 | — | 0 | — | — |
| Q4 2023 | 0 | — | 1 | $230.1k | — |
| Q1 2024 | 0 | — | 0 | — | — |
| Q2 2024 | 0 | — | 1 | $25.6k | $25.6k |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2024-05-10 | MCNAMEE GEORGE C Director | Sold plan | $25.6k10.0k shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q2 2024
| Manager | Shares | Change |
|---|---|---|
| VANGUARD GROUP INC 0.00% of their portfolio | 70.0m $163.0m | Added +15.0m |
| BlackRock Inc. 0.00% of their portfolio | 62.4m $145.3m | Added +14.1m |
| NORGES BANK 0.01% of their portfolio | 28.7m $66.9m | Added +7.8m |
| MORGAN STANLEY 0.00% of their portfolio | 25.9m $60.3m | Reduced -27.3m |
| STATE STREET CORP 0.00% of their portfolio | 22.9m $53.3m | Added +445.3k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 15.5m $36.2m | Added +6.3m |
| Legal & General Group Plc 0.01% of their portfolio | 9.3m $21.8m | Added +5.7m |
| BNP PARIBAS FINANCIAL MARKETS 0.02% of their portfolio | 6.9m $16.0m | Added +705.5k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 5.3m $12.3m | Added +1.7m |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.03% of their portfolio | 4.6m $10.9m | First filing |
| FIRST TRUST ADVISORS LP 0.01% of their portfolio | 4.1m $9.5m | Added +240.6k |
| Invesco Ltd. 0.00% of their portfolio | 3.7m $8.7m | Added +8.7k |
| PINNACLE ASSOCIATES LTD 0.14% of their portfolio | 3.7m $8.7m | Reduced -28.8k |
| VOYA INVESTMENT MANAGEMENT LLC 0.01% of their portfolio | 3.7m $8.7m | Added +141.7k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 3.4m $8.0m | Added +685.7k |
| VAN ECK ASSOCIATES CORP 0.01% of their portfolio | 3.4m $8.0m | Added +923.6k |
| Amundi 0.00% of their portfolio | 3.4m $8.4m | Added +486.2k |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 3.2m $7.5m | Added +1.9m |
| UBS Group AG 0.00% of their portfolio | 3.0m $7.1m | Reduced -340.9k |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 3.0m $7.0m | Added +327.4k |
| Nuveen Asset Management, LLC 0.00% of their portfolio | 2.9m $6.7m | Added +623.5k |
| COATUE MANAGEMENT LLC 0.02% of their portfolio | 2.6m $6.1m | Reduced -833.5k |
| Bank of New York Mellon Corp 0.00% of their portfolio | 2.5m $5.9m | Added +1.0m |
| SG Americas Securities, LLC 0.04% of their portfolio | 2.5m $5.7m | Added +1.4m |
| Vontobel Holding Ltd. 0.02% of their portfolio | 2.4m $5.5m | Added +108.9k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.01% of their portfolio | 2.1m $5.0m | Added +421.7k |
| BARCLAYS PLC 0.00% of their portfolio | 2.1m $4.9m | Reduced -583.1k |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0.01% of their portfolio | 1.9m $4.5m | Added +400.1k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 1.8m $4.3m | Added +702.4k |
| BANCO BILBAO VIZCAYA ARGENTARIA, S.A. 0.04% of their portfolio | 1.7m $4.1m | Reduced -92.2k |
| ALPS ADVISORS INC 0.03% of their portfolio | 1.7m $4.0m | Reduced -28.9k |
| CITIGROUP INC 0.00% of their portfolio | 1.6m $3.7m | Reduced -916.6k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 1.5m $3.5m | Added +240.4k |
| HSBC HOLDINGS PLC 0.00% of their portfolio | 1.4m $3.2m | Added +10.9k |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 1.3m $3.0m | Added +638.8k |
| Swiss National Bank 0.00% of their portfolio | 1.3m $3.0m | Added +202.5k |
| STIFEL FINANCIAL CORP 0.00% of their portfolio | 1.1m $2.6m | Added +594.5k |
| DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio | 1.1m $2.6m | Added +187.2k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 939.6k $2.2m | Reduced -1.2m |
| JANE STREET GROUP, LLC 0.00% of their portfolio | 936.3k $2.2m | Reduced -1.5m |
| Leonteq Securities AG 0.29% of their portfolio | 901.7k $2.1m | Reduced -358.1k |
| IMC-Chicago, LLC 0.06% of their portfolio | 843.9k $2.0m | Added +719.3k |
| MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio | 843.5k $2.0m | Added +205.3k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 825.4k $1.9m | Added +477.9k |
| Zurcher Kantonalbank (Zurich Cantonalbank) 0.01% of their portfolio | 798.4k $1.9m | Added +219.6k |
| California Public Employees Retirement System 0.00% of their portfolio | 774.8k $1.8m | Added +5.2k |
| Penserra Capital Management LLC 0.02% of their portfolio | 709.8k $1.7m | Added +237.2k |
| Marex Group Ltd 0.04% of their portfolio | 687.9k $1.6m | Reduced -12.0k |
| STATE OF WISCONSIN INVESTMENT BOARD 0.00% of their portfolio | 676.3k $1.6m | Reduced -766.6k |
| Mitsubishi UFJ Asset Management Co., Ltd. 0.00% of their portfolio | 652.9k $1.5m | Added +337.5k |
| Rafferty Asset Management, LLC 0.01% of their portfolio | 642.6k $1.5m | Added +187.2k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 632.7k $1.5m | Added +89.3k |
| HAP Trading, LLC 0.64% of their portfolio | 632.6k $1.5m | New |
| AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio | 572.9k $1.3m | Added +79.8k |
| LPL Financial LLC 0.00% of their portfolio | 551.0k $1.3m | Added +92.3k |
| Tidal Investments LLC 0.02% of their portfolio | 501.5k $1.2m | Added +267.0k |
| WOLVERINE ASSET MANAGEMENT LLC 0.02% of their portfolio | 500.0k $1.2m | Reduced -448.3k |
| KBC Group NV 0.00% of their portfolio | 497.8k $1.2m | Unchanged |
| Mirae Asset Global Investments Co., Ltd. 0.01% of their portfolio | 491.8k $1.2m | Reduced -2.4m |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.00% of their portfolio | 490.3k $1.1m | Reduced -17.5k |
| SIMPLEX TRADING, LLC 0.03% of their portfolio | 461.2k $1.1m | New |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 453.5k $1.1m | Reduced -58.1k |
| STOREBRAND ASSET MANAGEMENT AS 0.00% of their portfolio | 438.0k $1.0m | Reduced -346.4k |
| BANK OF MONTREAL /CAN/ 0.00% of their portfolio | 423.5k $1.0m | Reduced -203.6k |
| Krane Funds Advisors LLC 0.04% of their portfolio | 401.9k $936.5k | Reduced -27.8k |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 390.2k $909.3k | Added +267.0k |
| GTS SECURITIES LLC 0.02% of their portfolio | 389.4k $907.3k | Added +129.4k |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio | 382.2k $890.5k | Added +225.8k |
| Bouvel Investment Partners, LLC 0.34% of their portfolio | 381.1k $888.0k | Added +16.1k |
| Walleye Trading LLC 0.02% of their portfolio | 374.7k $873.1k | Added +300.6k |
| Baird Financial Group, Inc. 0.00% of their portfolio | 368.2k $857.9k | Added +199.7k |
| Foundations Investment Advisors, LLC 0.02% of their portfolio | 365.1k $850.8k | Added +176.9k |
| Quadrature Capital Ltd 0.01% of their portfolio | 361.5k $838.6k | Reduced -538.6k |
| COMMONWEALTH EQUITY SERVICES, LLC 0.00% of their portfolio | 357.0k $832.0k | Added +29.1k |
| PFG Investments, LLC 0.06% of their portfolio | 351.5k $819.1k | Added +115.1k |
| Balyasny Asset Management L.P. 0.00% of their portfolio | 347.1k $808.7k | Reduced -874.1k |
| IQ EQ FUND MANAGEMENT (IRELAND) Ltd 0.09% of their portfolio | 341.9k $796.6k | Added +125.3k |
| Corebridge Financial, Inc. 0.00% of their portfolio | 339.5k $794.5k | First filing |
| NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio | 321.2k $748.3k | Added +4.5k |
| BANK OF NOVA SCOTIA 0.00% of their portfolio | 317.0k $738.6k | Added +27.7k |
| TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio | 314.0k $731.7k | New |
| TWO SIGMA SECURITIES, LLC 0.03% of their portfolio | 310.9k $724.3k | Added +240.9k |
| GABELLI FUNDS LLC 0.01% of their portfolio | 300.0k $699.0k | Added +50.0k |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 273.8k $638.0k | Added +41.7k |
| NOMURA HOLDINGS INC 0.00% of their portfolio | 267.9k $624.1k | Reduced -47.0k |
| Cresset Asset Management, LLC 0.00% of their portfolio | 253.0k $589.5k | Added +190.6k |
| JANUS HENDERSON GROUP PLC 0.00% of their portfolio | 249.3k $577.1k | Reduced -2.8k |
| Gotham Asset Management, LLC 0.01% of their portfolio | 249.1k $580.5k | Added +92.4k |
| Cerity Partners LLC 0.00% of their portfolio | 216.0k $503.3k | Reduced -168.2k |
| SHERBROOKE PARK ADVISERS LLC 0.09% of their portfolio | 210.5k $490.5k | Added +148.0k |
| AMERIPRISE FINANCIAL INC 0.00% of their portfolio | 203.9k $475.0k | Reduced -94.7k |
| D. E. Shaw & Co., Inc. 0.00% of their portfolio | 201.3k $469.0k | Reduced -2.4m |
| OSAIC HOLDINGS, INC. 0.00% of their portfolio | 193.5k $450.8k | Reduced -181.2k |
| Harel Insurance Investments & Financial Services Ltd. 0.01% of their portfolio | 192.5k $449.0k | Added +46.6k |
| Raymond James Financial Services Advisors, Inc. 0.00% of their portfolio | 192.4k $448.3k | Added +7.4k |
| CANADA LIFE ASSURANCE Co 0.00% of their portfolio | 186.4k $431.0k | Added +134.0k |
| ARIZONA STATE RETIREMENT SYSTEM 0.00% of their portfolio | 182.0k $424.0k | Added +32.2k |
| Banque Cantonale Vaudoise 0.02% of their portfolio | 166.8k $389.0k | Added +14.0k |
| MetLife Investment Management, LLC 0.00% of their portfolio | 159.3k $371.1k | Added +149.0k |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.00% of their portfolio | 158.9k $370.2k | Reduced -441.3k |