Fluence Energy, Inc. (FLNC) shareholders
FLNCNasdaqMiscellaneous Electrical Machinery, Equipment & SuppliesFiscal year ends September 30
Financials through Q3 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 5, 2026Score 12/3055% below fair value
$4.68−0.06 (-1.16%)
Close on Nov 13, 2026Market cap $863.91MP/E –Yield –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
68.1%
126M of 185M shares
Institutional holders
299
87 new, 41 sold out
Net institutional buying
1M
In Q2 2026
Insider trades, 12 months
2 buys · 9 sales
Net sold $479.94M
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Siemens AG Joint filing with Siemens Pension-Trust e.V. (15.20%) | 41,432,781 | 28.90% | 13G (passive) amendment | Sep 30, 2026 |
| The AES Corporation Joint filing with AES Grid Stability, LLC (22.48%) | 41,432,781 | 22.48% | 13G (passive) amendment | May 15, 2026 |
| Qatar Investment Authority | 11,801,103 | 8.30% | 13G (passive) amendment | May 15, 2026 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of FLNC | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Siemens Pension Trust E V | 21,694,717 | 11.75% | $431.29M | −10,066,414 | 100.00% |
| Siemens AG | 19,738,064 | 10.69% | $392.39M | – | 79.48% |
| BlackRock, Inc. | 7,409,061 | 4.01% | $147.29M | +1,891,628 | 0.00% |
| Two Sigma Investments, LP | 5,338,779 | 2.89% | $106.13M | −356,487 | 0.08% |
| Vanguard Portfolio Management LLC | 3,656,312 | 1.98% | $72.69M | +670,809 | 0.00% |
| Vanguard Capital Management LLC | 3,589,624 | 1.94% | $71.36M | +734,935 | 0.00% |
| Driehaus Capital Management LLC | 3,575,964 | 1.94% | $71.09M | New | 0.41% |
| Morgan Stanley | 3,201,307 | 1.73% | $63.64M | +1,070,030 | 0.00% |
| D. E. Shaw & Co., Inc. | 3,194,735 | 1.73% | $63.51M | −2,850,303 | 0.03% |
| State Street Corp | 2,627,213 | 1.42% | $52.23M | +463,756 | 0.00% |
| Geode Capital Management, LLC | 2,266,730 | 1.23% | $45.07M | +514,711 | 0.00% |
| First Trust Advisors LP | 2,221,247 | 1.20% | $44.16M | +1,089,779 | 0.03% |
| FMR LLC | 2,147,505 | 1.16% | $42.69M | +519,723 | 0.00% |
| SG Americas Securities, LLC | 2,003,558 | 1.09% | $39.83M | +1,794,299 | 0.02% |
| Legal & General Group Plc | 1,978,812 | 1.07% | $39.34M | +1,237,528 | 0.01% |
| Connor, Clark & Lunn Investment Management Ltd. | 1,764,349 | 0.96% | $35.08M | −729,062 | 0.07% |
| Goldman Sachs Group Inc | 1,676,612 | 0.91% | $33.33M | +133,730 | 0.00% |
| Goodlander Investment Management, LLC | 1,500,000 | 0.81% | $29.82M | New | 9.00% |
| Bnp Paribas Arbitrage, Snc | 1,439,998 | 0.78% | $28.63M | +91,205 | 0.01% |
| UBS Group AG | 1,315,427 | 0.71% | $26.15M | +71,532 | 0.00% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 299 | 126M | 68.1% | 87 / 98 | 85 / 41 | 30M | 28M |
| Q1 2026 | 259 | 124M | 67.4% | 57 / 81 | 81 / 56 | 24M | 18M |
| Q4 2025 | 262 | 125M | 67.6% | 69 / 75 | 93 / 49 | 44M | 40M |
| Q3 2025 | 249 | 121M | 65.7% | 67 / 70 | 82 / 30 | 22M | 24M |
| Q2 2025 | 212 | 123M | 66.7% | 41 / 85 | 58 / 52 | 23M | 20M |
| Q1 2025 | 224 | 120M | 65.2% | 54 / 77 | 61 / 75 | 28M | 22M |
| Q4 2024 | 247 | 115M | 62.3% | 62 / 86 | 65 / 44 | 16M | 9M |
| Q3 2024 | 234 | 109M | 58.8% | 50 / 79 | 72 / 38 | 14M | 12M |
| Q2 2024 | 224 | 111M | 60.1% | 59 / 81 | 59 / 34 | 13M | 17M |
| Q1 2024 | 203 | 115M | 62.2% | 43 / 78 | 57 / 55 | 19M | 11M |
| Q4 2023 | 215 | 107M | 57.9% | 58 / 78 | 56 / 32 | 23M | 15M |
| Q3 2023 | 189 | 99M | 53.5% | 33 / 72 | 62 / 34 | 7M | 3M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
205 funds held FLNC in Q2 2026, 60% of their shares through ETFs. Each fund counts once per quarter, from its quarter-end report.
| Fund | Shares | % of FLNC | Value | % of fund | As of |
|---|---|---|---|---|---|
| Vanguard Total Stock Market Index Fund | 2,530,978 | 1.37% | $50.32M | 0.00% | Jun 30, 2026 |
| iShares Russell 2000 ETF | 2,293,403 | 1.24% | $45.59M | 0.05% | Jun 30, 2026 |
| Vanguard Small-Cap Index Fund | 1,826,033 | 0.99% | $36.30M | 0.02% | Jun 30, 2026 |
| Fidelity OTC Portfolio | 1,281,300 | 0.69% | $17.85M | 0.04% | Jul 31, 2026 |
| Vanguard Small-Cap Growth Index Fund | 1,048,274 | 0.57% | $20.84M | 0.04% | Jun 30, 2026 |
| First Trust NASDAQ Clean Edge Smart Grid Infrastructure Index Fund | 1,021,315 | 0.55% | $20.30M | 0.17% | Jun 30, 2026 |
| Vanguard Extended Market Index Fund | 974,162 | 0.53% | $19.37M | 0.02% | Jun 30, 2026 |
| Fidelity Small Cap Index Fund | 957,535 | 0.52% | $13.34M | 0.04% | Jul 31, 2026 |
| iShares Russell 2000 Growth ETF | 808,207 | 0.44% | $16.07M | 0.10% | Jun 30, 2026 |
| Bridge Builder Small/Mid Cap Growth Fund | 666,180 | 0.36% | $13.24M | 0.12% | Jun 30, 2026 |
| Driehaus Small Cap Growth Fund | 607,032 | 0.33% | $12.07M | 0.75% | Jun 30, 2026 |
| Vanguard Russell 2000 Index Fund | 471,072 | 0.26% | $8.89M | 0.05% | May 31, 2026 |
| Federated Hermes MDT Small Cap Core Fund | 443,536 | 0.24% | $6.18M | 0.28% | Jul 31, 2026 |
| Fidelity Extended Market Index Fund | 438,920 | 0.24% | $8.29M | 0.02% | May 31, 2026 |
| Schwab U.S. Small-Cap ETF | 406,136 | 0.22% | $7.67M | 0.03% | May 31, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Julian Nebreda | President and CEO, Director | 217,923 | 0.12% | Feb 20, 2026 |
| Gottlieb Ricardo Roizen | See Remarks | – | – | Nov 9, 2026 |
| Santos Bernerd Da | EVP & Chief Operating Officer | – | – | Sep 21, 2026 |
| Peter Bennett Williams | SVP and CPSCO | 22,292 | 0.01% | Jul 21, 2026 |
| John Zahurancik | SVP & CCSO | 71,171 | 0.04% | Jun 26, 2026 |
| Michelle Philpot | Chief Accounting Officer | 8,240 | 0.00% | Feb 20, 2026 |
| Vincent Mathis | See Remarks | 164,171 | 0.09% | Feb 20, 2026 |
| Ahmed Pasha | SVP & Chief Financial Officer | 42,928 | 0.02% | Feb 20, 2026 |
| Jeffrey Richard Monday | SVP, Chief Growth Officer | – | – | Feb 20, 2026 |
| Rebecca Boll | SVP & Chief Product Officer | 85,073 | 0.05% | Dec 20, 2024 |
| Heynitz Harald von | Director | 65,550 | 0.04% | Sep 22, 2026 |
| Herman E. Bulls | Director | 169,550 | 0.09% | Sep 22, 2026 |
| Stephen Coughlin | Director | – | – | Sep 21, 2026 |
| Stephan May | Director | – | – | Sep 8, 2026 |
| Elizabeth Anne Fessenden | Director | 66,250 | 0.04% | Jun 4, 2026 |
| Fahad Abdulla MM Al-Darwish | Director | – | – | Mar 20, 2026 |
| Cynthia A. Arnold | Director | 118,550 | 0.06% | Mar 19, 2026 |
| Ruth Gratzke | Director | – | – | Nov 26, 2025 |
| Peter Chi-Shun Luk | Director | – | – | Mar 19, 2025 |
| Holding Sarl SPT | 10% owner | 12,993,113 | 7.04% | Jul 8, 2026 |
| Corp Aes | 10% owner | – | – | May 19, 2026 |
| AES Grid Stability, LLC | 10% owner | 10,066,414 | 5.45% | May 19, 2026 |
| Investment Authority Qatar | 10% owner | 11,801,103 | 6.39% | May 18, 2026 |
| Pension Trust E. V. Siemens | 10% owner | 41,432,781 | 22.45% | May 15, 2026 |
| Ag Siemens | 10% owner | 70,347,826 | 38.11% | May 15, 2026 |
| Invest Management Sarl SPT | 10% owner | 11,761,131 | 6.37% | Oct 29, 2025 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Heynitz Harald von Director | Sep 21, 2026 | Buy | +7,000 | $7.36 | $51.52K | 65,550 |
| Herman E. Bulls Director | Sep 21, 2026 | Buy | +10,000 | $7.36 | $73.60K | 169,550 |
| Peter Bennett Williams SVP and CPSCO | Jul 17, 2026 | Tax withholding | −3,905 | $14.07 | $54.94K | 22,292 |
| Peter Bennett Williams SVP and CPSCO | Jul 17, 2026 | Option exercise | +8,588 | – | – | 26,197 |
| Holding Sarl SPT 10% owner | Jul 6, 2026 | Other | −20,462,735 | – | – | 1,231,982 |
| John Zahurancik SVP & CCSO | Jun 23, 2026 | Sale(10b5-1 plan) | −15,974 | $22.03 | $351.91K | 71,171 |
| John Zahurancik SVP & CCSO | Jun 23, 2026 | Sale(10b5-1 plan) | −15,974 | $22.03 | $351.91K | 71,171 |
| John Zahurancik SVP & CCSO | Jun 22, 2026 | Sale(10b5-1 plan) | −16,000 | $25.18 | $402.88K | 87,145 |
| John Zahurancik SVP & CCSO | Jun 22, 2026 | Sale(10b5-1 plan) | −16,000 | $25.18 | $402.88K | 87,145 |
| Heynitz Harald von Director | Jun 15, 2026 | Sale(10b5-1 plan) | −5,000 | $25.00 | $125.00K | 58,550 |
| Elizabeth Anne Fessenden Director | Jun 2, 2026 | Gift | −1,000 | – | – | 66,250 |
| AES Grid Stability, LLC 10% owner | May 15, 2026 | Conversion | +10,066,414 | – | – | 10,066,414 |
| AES Grid Stability, LLC 10% owner | May 15, 2026 | Sale | −10,066,414 | $21.00 | $211.39M | 0 |
| Investment Authority Qatar 10% owner | May 15, 2026 | Sale | −2,867,172 | $21.00 | $60.21M | 11,801,103 |
| Pension Trust E. V. Siemens 10% owner | May 15, 2026 | Sale | −10,066,414 | $20.53 | $206.66M | 21,694,717 |
| Heynitz Harald von Director | Mar 18, 2026 | Sale | −10,000 | $16.50 | $165.00K | 63,550 |
| Cynthia A. Arnold Director | Mar 17, 2026 | Option exercise | +32,348 | – | – | 118,550 |
| Heynitz Harald von Director | Mar 17, 2026 | Option exercise | +32,348 | – | – | 73,550 |
| Herman E. Bulls Director | Mar 17, 2026 | Option exercise | +32,348 | – | – | 159,550 |
| Elizabeth Anne Fessenden Director | Mar 17, 2026 | Option exercise | +32,348 | – | – | 67,250 |
| Ahmed Pasha SVP & Chief Financial Officer | Jan 1, 2026 | Option exercise | +10,902 | – | – | 42,928 |
| Ahmed Pasha SVP & Chief Financial Officer | Jan 1, 2026 | Tax withholding | −4,087 | $19.78 | $80.84K | 38,841 |
| John Zahurancik SVP and CCSO | Dec 18, 2025 | Tax withholding | −1,429 | $19.31 | $27.59K | 103,145 |
| John Zahurancik SVP and CCSO | Dec 18, 2025 | Option exercise | +4,746 | – | – | 104,574 |
| Michelle Philpot Chief Accounting Officer | Dec 18, 2025 | Tax withholding | −1,066 | $19.31 | $20.58K | 8,240 |
| Michelle Philpot Chief Accounting Officer | Dec 18, 2025 | Option exercise | +2,977 | – | – | 9,306 |
| Peter Bennett Williams SVP and CPSCO | Dec 18, 2025 | Option exercise | +5,825 | – | – | 20,252 |
| Peter Bennett Williams SVP and CPSCO | Dec 18, 2025 | Tax withholding | −2,643 | $19.31 | $51.04K | 17,609 |
| Vincent Mathis See Remarks | Dec 18, 2025 | Option exercise | +124,456 | – | – | 164,171 |
| Vincent Mathis See Remarks | Dec 18, 2025 | Option exercise | +14,935 | – | – | 39,715 |
| Vincent Mathis See Remarks | Dec 18, 2025 | Tax withholding | −62,866 | $19.31 | $1.21M | 101,305 |
| Ahmed Pasha SVP & Chief Financial Officer | Dec 18, 2025 | Tax withholding | −4,293 | $19.31 | $82.90K | 32,026 |
| Ahmed Pasha SVP & Chief Financial Officer | Dec 18, 2025 | Option exercise | +11,616 | – | – | 36,319 |
| Julian Nebreda President and CEO, Director | Dec 18, 2025 | Option exercise | +45,634 | – | – | 217,923 |
| Julian Nebreda President and CEO, Director | Dec 18, 2025 | Tax withholding | −19,112 | $19.31 | $369.05K | 198,811 |
| John Zahurancik SVP and CCSO | Dec 8, 2025 | Tax withholding | −923 | $22.86 | $21.10K | 99,828 |
| John Zahurancik SVP and CCSO | Dec 8, 2025 | Option exercise | +3,064 | – | – | 100,751 |
| Julian Nebreda President and CEO, Director | Dec 8, 2025 | Tax withholding | −10,622 | $22.86 | $242.82K | 172,289 |
| Julian Nebreda President and CEO, Director | Dec 8, 2025 | Option exercise | +26,144 | – | – | 182,911 |
| Peter Bennett Williams SVP and CPSCO | Dec 8, 2025 | Tax withholding | −1,862 | $22.86 | $42.57K | 14,427 |
| Peter Bennett Williams SVP and CPSCO | Dec 8, 2025 | Option exercise | +4,104 | – | – | 16,289 |
| Michelle Philpot Chief Accounting Officer | Dec 8, 2025 | Tax withholding | −1,763 | $22.86 | $40.30K | 6,329 |
| Michelle Philpot Chief Accounting Officer | Dec 8, 2025 | Option exercise | +4,925 | – | – | 8,092 |
| Invest Management Sarl SPT 10% owner | Oct 28, 2025 | Other | −11,761,131 | – | – | 0 |
| Pension Trust E. V. Siemens 10% owner | Oct 14, 2025 | Other | +20,000,000 | – | – | 20,000,000 |
| Julian Nebreda President and CEO, Director | Sep 1, 2025 | Option exercise | +46,219 | – | – | 176,124 |
| Julian Nebreda President and CEO, Director | Sep 1, 2025 | Tax withholding | −19,357 | $7.40 | $143.24K | 156,767 |
| Peter Bennett Williams SVP and CPSCO | Jul 17, 2025 | Tax withholding | −3,887 | $8.24 | $32.03K | 12,185 |
| Peter Bennett Williams SVP and CPSCO | Jul 17, 2025 | Option exercise | +8,588 | – | – | 16,072 |
| Cynthia A. Arnold Director | May 12, 2025 | Buy | +33,000 | $5.90 | $194.70K | 86,202 |
| Cynthia A. Arnold Director | Mar 20, 2025 | Option exercise | +11,341 | – | – | 53,202 |
| Elizabeth Anne Fessenden Director | Mar 20, 2025 | Option exercise | +11,341 | – | – | 34,902 |
| Heynitz Harald von Director | Mar 20, 2025 | Option exercise | +11,341 | – | – | 41,202 |
| Herman E. Bulls Director | Mar 20, 2025 | Option exercise | +11,341 | – | – | 127,202 |
| Julian Nebreda President and CEO, Director | Mar 14, 2025 | Buy | +9,450 | $5.26 | $49.71K | 129,905 |
| Herman E. Bulls Director | Mar 5, 2025 | Buy | +10,000 | $5.41 | $54.10K | 115,861 |
| Heynitz Harald von Director | Feb 18, 2025 | Buy | +7,000 | $6.99 | $48.93K | 29,861 |
| Ahmed Pasha SVP & Chief Financial Officer | Feb 14, 2025 | Buy | +15,500 | $6.48 | $100.44K | 24,703 |
| Elizabeth Anne Fessenden Director | Feb 14, 2025 | Buy | +1,700 | $6.43 | $10.93K | 23,561 |
| Julian Nebreda President and CEO, Director | Feb 13, 2025 | Buy | +23,500 | $6.35 | $149.23K | 120,455 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Short interest
Shares sold short and not yet bought back, as of Oct 30, 2026 (FINRA, reported twice a month)
Short % of float
201.99%
37M shares short
Days to cover
7.1
At 5M shares a day
Change since last report
+3.9%
From 36M shares
Short volume, 20 days
41.0%
Of volume reported to FINRA
Shares sold short, last 12 months
Short sale volume counts trades marked short on any given day, including market-maker hedging, so it runs far higher than the share of Fluence Energy's stock actually held short. Settlement fails (shares not delivered on time) peaked at 565,312 shares on Sep 22, 2026 over the last 90 days.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| John Zahurancik Officer | Jun 22, 2026 | 31,974 | $792.96K | Jun 22, 2026 | Restricted Stock Units |
| AES Grid Stability, LLC Affiliate | Jun 22, 2026 | 15,000,000 | $377.85M | Jun 22, 2026 | Private placement (1) |
| Investment Authority Qatar Affiliate | Jun 22, 2026 | 4,272,380 | $107.62M | Jun 22, 2026 | Private placement - See Remark (1) |
| Heynitz Harald von Director | Jun 15, 2026 | 5,000 | $118.55K | Jun 15, 2026 | Restricted Stock Units |
| Heynitz Harald von Director | Mar 18, 2026 | 10,000 | $165.02K | Mar 18, 2026 | Restricted Stock |
| Rebecca Boll Officer | Apr 22, 2025 | 78,258 | $288.48K | Apr 22, 2025 | STOCK OPTION EXERCISE |
| Rebecca Boll Officer | Apr 15, 2025 | 78,257 | $293.03K | Apr 15, 2025 | STOCK OPTION EXERCISE |
| Rebecca Boll Officer | Mar 17, 2025 | 102,440 | $546.62K | Mar 17, 2025 | STOCK OPTION EXERCISE |
| John Zahurancik Officer, SVP and President, Americas | Jun 12, 2024 | 25,000 | $558.50K | Jun 12, 2024 | Employee stock options exercise |
| John Zahurancik Officer, SVP and President, Americas | Jun 12, 2024 | 25,000 | $558.50K | Jun 12, 2024 | Employee stock options exercise |
| Vanka Krishna C Officer, SVP & Chief Digital Officer | Dec 1, 2023 | 2,244 | $56.10K | Dec 1, 2023 | Restricted Stock Vesting |
| Couch Carolee Officer, FORMER EXECUTIVE OFFICER | Sep 15, 2023 | 371,772 | $9.46M | Sep 15, 2023 | STOCK OPTION EXERCISE |
| Chatterjee Amrita Officer, Principal Accounting Officer | Sep 14, 2023 | 11,500 | $292.45K | Sep 14, 2023 | Stock Option Exercise |
| Couch Carolee Officer, SVP & CSC and MO | May 22, 2023 | 50,000 | $1.16M | May 22, 2023 | Stock Option Exercise |
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