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Plug Power Inc · 13F filings

PLUG Institutional Ownership

Holdings as of Jun 30, 2026From SEC Form 13FUpdated

Who owns Plug Power Inc and what the big funds did with it last quarter, from every SEC 13F filing. 510 funds reported holding PLUG at Jun 30, 2026, together owning 58.3% of the company.

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Fund sentiment
Strongly bullish
Strongly bearishNeutralStrongly bullish
  • ▲262 buying vs 152 selling
  • ▲Held by funds +4.3 pts
  • ▲Funds holding +35
  • ▲Superinvestors: 3 added, 2 cut
  • ●Put/call not meaningful

What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.

Funds holding510+35 vs Q1 2026
Held by funds58.3%+4.3 pts
Value held$2.2B815M shares
Put/call ratio0.35down from 0.59

Funds holding and ownership

8 quarters
Q3 2024: 441 fundsQ3 '24Q4 2024: 461 fundsQ4 '24Q1 2025: 432 fundsQ1 '25Q2 2025: 431 fundsQ2 '25Q3 2025: 460 fundsQ3 '25Q4 2025: 463 fundsQ4 '25Q1 2026: 475 fundsQ1 '26Q2 2026: 510 fundsQ2 '2658.3% owned
Funds holdingHeld by funds %

Quarter over quarter

all 13F filers
Q2 2026This quarterQ1 2026Change
Funds holding510475+7.4%
In funds' top 1000–
13F shares815M755M+7.9%
Held by funds58.3%54.0%+4.3 pts
New positions7964+23.4%
Increased183162+13.0%
Reduced107104+2.9%
Sold out4554−16.7%
Calls (shares)3.9M3.3M+18.6%
Puts (shares)1.4M2M−29.9%
Put/call ratio0.350.59−40.9%

Buyers vs sellers

adding or new vs cutting or sold out
Q4 2024: 180 buyingQ4 2024: 187 sellingQ4 '24Q1 2025: 180 buyingQ1 2025: 200 sellingQ1 '25Q2 2025: 202 buyingQ2 2025: 155 sellingQ2 '25Q3 2025: 217 buyingQ3 2025: 145 sellingQ3 '25Q4 2025: 217 buyingQ4 2025: 170 sellingQ4 '25Q1 2026: 226 buyingQ1 2026: 158 sellingQ1 '26Q2 2026: 262 buyingQ2 2026: 152 sellingQ2 '26
Buying 262Selling 152latest quarter

Superinvestors in PLUG

All superinvestors →

Who owns PLUG

share of fund held shares
  • Index and passive funds57.9%
  • Active managers and hedge funds25.6%
  • Banks and brokers15.6%
  • Pensions, insurers and other0.9%

The top 10 holders own 62.6% of all PLUG shares that funds reported. Groups are our own grouping of filers by name.

Put/call ratio

funds' options, market makers left out
1.00Q3 2024: 0.72Q3 '24Q4 2024: 0.73Q4 '24Q1 2025: 0.34Q1 '25Q2 2025: 4.29Q2 '25Q3 2025: 2.94Q3 '25Q4 2025: 1.24Q4 '25Q1 2026: 0.59Q1 '26Q2 2026: 0.35Q2 '260.35

Above 1 means funds hold more puts than calls, a sign of hedging or bets on a fall. Options are valued at the underlying shares.

Filed so far for Q3 2026

135 funds changed their position

🔒 Free account: see all 20.

Top holders

Q2 2026
#FundOf companySharesValueChange
1BlackRock, Inc.13.17%184M$499M+31.9M
2Vanguard Portfolio Management LLC4.74%66.2M$179M+6.6M
3Vanguard Capital Management LLC4.50%62.9M$171M+387K
4State Street Corp2.77%38.8M$105M+2.2M
5Geode Capital Management, LLC2.62%36.6M$99.1M+1.8M
6UBS Group AG2.37%33.1M$89.8M−8.5M
7Citadel Advisors LLC1.73%24.1M$65.4M+23.3M
8Two Sigma Investments, LP1.62%22.6M$61.3M−4.8M
9D. E. Shaw & Co., Inc.1.57%21.9M$59.5M−27M
10Dimensional Fund Advisors LP1.40%19.5M$52.8M+1.4M
🔒 15 more top holders. Create a free account or sign in to see them.
Biggest buyers
Biggest sellers

PLUG institutional ownership FAQ

Who owns the most PLUG stock?

In Q2 2026 13F filings the largest holder of PLUG was BlackRock, Inc., followed by Vanguard Portfolio Management LLC and Vanguard Capital Management LLC. Index fund managers are usually the biggest holders of large companies.

What percentage of PLUG is owned by institutions?

Funds that file 13F reports held 58.3% of PLUG's shares at Jun 30, 2026, compared with 54.0% a quarter earlier. That counts every manager with more than $100 million in US stocks.

Are hedge funds buying PLUG?

In Q2 2026, 262 funds bought PLUG (79 of them new positions) and 152 sold (45 sold out completely). Among well known investors, 3 added and 2 cut. Our fund sentiment for PLUG is strongly bullish.

What is PLUG's institutional put/call ratio?

Funds reported $3.7M of PLUG puts against $10.6M of calls, a put/call ratio of 0.35 (0.59 the quarter before). Market makers and bank trading desks are left out, since their options are mostly hedges.

How current is this PLUG ownership data?

13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.

For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.