GEVO INC GEVO
COM PAR · Common Stock · CUSIP 374396406 · ISIN US3743964062
A renewable chemicals and advanced biofuels company
* 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 ($2.0k this quarter). Holder counts are more reliable. Shares outstanding: 247.2m as of 2026-08-05, 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 ≈ $1.50. Options: 7 managers hold calls ($3.6m notional), 6 hold puts ($388.8k).
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 143 |
| Q4 2022 | 142 |
| Q1 2023 | 148 |
| Q2 2023 | 129 |
| Q3 2023 | 124 |
| Q4 2023 | 126 |
| Q1 2024 | 129 |
| Q2 2024 | 127 |
| Q3 2024 | 104 |
| Q4 2024 | 109 |
| Q1 2025 | 122 |
| Q2 2025 | 123 |
| Q3 2025 | 142 |
| Q4 2025 | 155 |
| Q1 2026 | 160 |
| Q2 2026 | 148 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2024 | 39 | 70 |
| Q4 2024 | 51 | 49 |
| Q1 2025 | 65 | 45 |
| Q2 2025 | 63 | 60 |
| Q3 2025 | 74 | 42 |
| Q4 2025 | 75 | 55 |
| Q1 2026 | 69 | 69 |
| Q2 2026 | 74 | 67 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2025 | $4.5m | $990.8k | 0.22 |
| Q4 2025 | $8.9m | $1.7m | 0.19 |
| Q1 2026 | $8.4m | $2.1m | 0.25 |
| Q2 2026 | $3.6m | $388.8k | 0.11 |
Biggest buyers
| STATE STREET CORP | Added | +4.4m |
| Invesco Ltd. | Added | +2.2m |
| UBS Group AG | Added | +1.2m |
| BlackRock, Inc. | Added | +1.0m |
| MILLENNIUM MANAGEMENT LLC | New | +447.5k |
| GEODE CAPITAL MANAGEMENT, LLC | Added | +391.9k |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Added | +370.0k |
| Man Group plc | New | +332.8k |
| BARCLAYS PLC | Added | +322.2k |
| Inspire Investing, LLC | Added | +267.7k |
Biggest sellers
| GOLDMAN SACHS GROUP INC | Reduced | -2.4m |
| RENAISSANCE TECHNOLOGIES LLC | Sold out | -2.2m |
| CITADEL ADVISORS LLC | Reduced | -853.4k |
| Nuveen, LLC | Reduced | -796.5k |
| MORGAN STANLEY | Reduced | -418.5k |
| CREDIT AGRICOLE S A | Sold out | -414.0k |
| Informed Momentum Co LLC | Sold out | -333.0k |
| Balyasny Asset Management L.P. | Reduced | -207.5k |
| BNP PARIBAS FINANCIAL MARKETS | Reduced | -204.4k |
| Point72 Asset Management, L.P. | Sold out | -195.2k |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $1.8m1.2m shares |
| SIMPLEX TRADING, LLC | Reduced | $958.2k638.8k shares |
| GROUP ONE TRADING LLC | Added | $438.9k292.6k shares |
| JANE STREET GROUP, LLC | Added | $210.4k140.3k shares |
| CITADEL ADVISORS LLC | Reduced | $124.2k82.8k shares |
| IMC-Chicago, LLC | Reduced | $95.2k63.5k shares |
| PEAK6 LLC | Unchanged | $34.6k23.1k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $235.8k157.2k shares |
| CITADEL ADVISORS LLC | Reduced | $79.3k52.9k shares |
| IMC-Chicago, LLC | Added | $44.5k29.7k shares |
| JANE STREET GROUP, LLC | Reduced | $15.3k10.2k shares |
| GROUP ONE TRADING LLC | Reduced | $12.8k8.5k shares |
| SIMPLEX TRADING, LLC | Reduced | $1.1k700 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 new · filed 2025-07-17 | 6.7% |
| STATE STREET CORP 13G · institution new · filed 2026-08-07 | 5.5% |
Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-26)
Insider purchases and sales since 1 Apr 2026
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 |
|---|---|---|---|---|---|
| Q4 2024 | 0 | — | 3 | $131.1k | $112.7k |
| Q1 2025 | 0 | — | 1 | $13.3k | $13.3k |
| Q2 2025 | 0 | — | 8 | $592.0k | $585.3k |
| Q3 2025 | 0 | — | 10 | $1.5m | $1.2m |
| Q4 2025 | 0 | — | 6 | $961.4k | $633.5k |
| Q1 2026 | 0 | — | 4 | $687.2k | $436.6k |
| Q2 2026 | 0 | — | 7 | $1.3m | $1.3m |
| Q3 2026 | 2 | $96.4k | 4 | $476.4k | $476.4k |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2026-09-03 | Gruber Patrick R. Director | Sold plan | $5.7k3.3k shares |
| 2026-09-03 | Bloom Paul D CEO, director | Sold plan | $2.6k1.5k shares |
| 2026-09-03 | Bowron Kimberly T Chief of Staff | Sold plan | $2.1k1.2k shares |
| 2026-08-21 | Barber James J Director | Bought | $77.0k50.0k shares |
| 2026-08-21 | Kettner David Michael Chief Legal & Emrg Biz Officer | Bought | $19.4k12.5k shares |
| 2026-08-06 | Gruber Patrick R. Director | Sold plan | $373.9k247.6k shares |
| 2026-08-06 | Bloom Paul D CEO, director | Sold plan | $48.2k31.1k shares |
| 2026-08-06 | Agiri Oluwagbemileke Yusuf CFO | Sold plan | $28.1k18.2k shares |
| 2026-08-06 | Bowron Kimberly T Chief of Staff | Sold plan | $15.9k10.3k shares |
| 2026-06-12 | Gruber Patrick R. Director | Sold plan | $220.6k157.6k shares |
| 2026-06-12 | Agiri Oluwagbemileke Yusuf CFO | Sold plan | $88.2k63.0k shares |
| 2026-06-12 | Ryan Christopher Michael President & COO | Sold plan | $50.3k35.2k shares |
| 2026-06-12 | Bloom Paul D CEO, director | Sold plan | $50.3k35.2k shares |
| 2026-06-12 | Bowron Kimberly T Chief of Staff | Sold plan | $22.1k15.5k shares |
| 2026-06-12 | Shafer Andrew Chief Mktg Cust & Brnd Officer | Sold plan | $13.5k9.4k shares |
| 2026-06-12 | Gendenjamts Davaajargal VP Acctg and Treasurer | Sold plan | $6.1k4.3k shares |
| 2026-05-27 | Gruber Patrick R. Director | Sold plan | $328.2k186.5k shares |
| 2026-05-27 | Ryan Christopher Michael President & COO | Sold plan | $154.4k87.7k shares |
| 2026-05-27 | Bloom Paul D CEO, director | Sold plan | $133.3k75.7k shares |
| 2026-05-27 | Shafer Andrew Chief Mktg Cust & Brnd Officer | Sold plan | $57.5k32.7k shares |
| 2026-05-27 | Agiri Oluwagbemileke Yusuf CFO | Sold plan | $56.6k32.0k shares |
| 2026-05-27 | Bowron Kimberly T Chief of Staff | Sold plan | $44.2k25.1k shares |
| 2026-05-01 | Shafer Andrew Chief Cust Mkt & Brnd Officer | Sold plan | $11.1k5.5k shares |
| 2026-04-01 | Shafer Andrew Chief Cust Mkt & Brnd Officer | Sold plan | $15.0k5.5k 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 2026
| Manager | Shares | Change |
|---|---|---|
| BlackRock, Inc. 0.00% of their portfolio | 18.3m $27.5m | Added +1.0m |
| STATE STREET CORP 0.00% of their portfolio | 13.4m $20.1m | Added +4.4m |
| VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 10.3m $15.4m | Added +120.7k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 6.3m $9.4m | Added +391.9k |
| Invesco Ltd. 0.00% of their portfolio | 5.6m $8.4m | Added +2.2m |
| VANGUARD PORTFOLIO MANAGEMENT LLC 0.00% of their portfolio | 5.5m $8.2m | Added +370.0k |
| UBS Group AG 0.00% of their portfolio | 3.3m $5.0m | Added +1.2m |
| First Bank & Trust 0.68% of their portfolio | 3.1m $4.6m | Unchanged |
| Nuveen, LLC 0.00% of their portfolio | 2.8m $4.2m | Reduced -796.5k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 2.2m $3.3m | Added +17.4k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 1.9m $2.8m | Added +142.9k |
| VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio | 1.6m $2.4m | Added +46.4k |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 1.5m $2.3m | Reduced -2.4m |
| Grantham, Mayo, Van Otterloo & Co. LLC 0.00% of their portfolio | 1.4m $2.2m | Reduced -35.2k |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 1.2m $1.8m | Reduced -853.4k |
| J. Derek Lewis & Associates Inc. 0.22% of their portfolio | 778.0k $1.2m | Added +243.0k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 721.3k $1.1m | Added +69.0k |
| BARCLAYS PLC 0.00% of their portfolio | 670.5k $1.0m | Added +322.2k |
| FIRST TRUST ADVISORS LP 0.00% of their portfolio | 653.0k $979.6k | Added +121.7k |
| Bank of New York Mellon Corp 0.00% of their portfolio | 617.3k $925.9k | Added +45.5k |
| LOS ANGELES CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 528.9k $793.3k | Added +207.4k |
| Inspire Investing, LLC 0.03% of their portfolio | 457.9k $686.9k | Added +267.7k |
| MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio | 447.5k $671.3k | New |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio | 430.3k $645.5k | Added +157.9k |
| Rafferty Asset Management, LLC 0.00% of their portfolio | 417.8k $626.6k | Added +46.7k |
| PEAK6 LLC 0.02% of their portfolio | 417.2k $625.8k | Added +64.6k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 372.8k $560.0k | Added +50.3k |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 365.1k $547.7k | Added +115.4k |
| ALPS ADVISORS INC 0.00% of their portfolio | 353.3k $530.0k | Reduced -4.1k |
| Man Group plc 0.00% of their portfolio | 332.8k $499.2k | New |
| SBI Securities Co., Ltd. 0.01% of their portfolio | 307.2k $460.8k | Reduced -7.9k |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 296.2k $444.4k | Added +15.7k |
| AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio | 292.6k $438.9k | Added +35.5k |
| TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio | 286.6k $430.0k | Reduced -106.1k |
| MORGAN STANLEY 0.00% of their portfolio | 276.0k $414.0k | Reduced -418.5k |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 239.6k $359.3k | Reduced -204.4k |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 237.5k $356.2k | Reduced -11.1k |
| Stonehage Fleming Financial Services Holdings Ltd 0.01% of their portfolio | 185.2k $277.8k | Unchanged |
| Amundi 0.00% of their portfolio | 161.8k $242.7k | Added +26.3k |
| Caprock Group, LLC 0.00% of their portfolio | 153.0k $229.5k | New |
| Atom Investors LP 0.02% of their portfolio | 146.7k $220.0k | New |
| CITIGROUP INC 0.00% of their portfolio | 137.5k $206.2k | Reduced -9.2k |
| MetLife Investment Management, LLC 0.00% of their portfolio | 132.3k $198.5k | Added +15.2k |
| Russell Investments Group, Ltd. 0.00% of their portfolio | 132.0k $197.9k | Added +108.3k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 122.6k $180.2k | Added +7.9k |
| DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio | 114.8k $172.2k | Reduced -24.1k |
| HighTower Advisors, LLC 0.00% of their portfolio | 113.1k $169.7k | New |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio | 110.1k $165.1k | Reduced -64 |
| AMG National Trust Bank 0.00% of their portfolio | 101.3k $152.0k | Unchanged |
| TWO SIGMA SECURITIES, LLC 0.01% of their portfolio | 95.6k $143.4k | Reduced -7.8k |
| Vanguard Global Advisers, LLC 0.00% of their portfolio | 92.0k $137.9k | Reduced -37.6k |
| NewEdge Advisors, LLC 0.00% of their portfolio | 84.6k $126.9k | Unchanged |
| SG Americas Securities, LLC 0.00% of their portfolio | 84.1k $126.0k | Reduced -4.5k |
| State of Wyoming 0.01% of their portfolio | 75.7k $113.6k | Reduced -63.8k |
| WELLINGTON MANAGEMENT GROUP LLP 0.00% of their portfolio | 72.2k $108.2k | Added +629 |
| Creative Planning 0.00% of their portfolio | 71.9k $107.9k | Added +32.0k |
| INTECH INVESTMENT MANAGEMENT LLC 0.00% of their portfolio | 69.9k $104.8k | Reduced -9.4k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 65.4k $178.5k | Added +44.4k |
| FMR LLC 0.00% of their portfolio | 64.0k $95.9k | Added +39.5k |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio | 63.8k $95.7k | Added +678 |
| Police & Firemen's Retirement System of New Jersey 0.00% of their portfolio | 63.3k $95.0k | Unchanged |
| ProShare Advisors LLC 0.00% of their portfolio | 62.6k $93.9k | Added +28.7k |
| Tower Research Capital LLC (TRC) 0.00% of their portfolio | 61.3k $92.0k | Added +42.0k |
| Alternative Investment Advisors, LLC. 0.03% of their portfolio | 59.6k $89.4k | Reduced -13.8k |
| OSAIC HOLDINGS, INC. 0.00% of their portfolio | 59.3k $89.0k | Added +1.8k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio | 58.4k $87.6k | Unchanged |
| Centerpoint Advisory Group 0.05% of their portfolio | 54.0k $81.0k | Unchanged |
| VOYA INVESTMENT MANAGEMENT LLC 0.00% of their portfolio | 49.8k $74.7k | Added +7.7k |
| LPL Financial LLC 0.00% of their portfolio | 49.6k $74.4k | Reduced -20.8k |
| Cetera Investment Advisers 0.00% of their portfolio | 45.5k $68.3k | Reduced -3.2k |
| Caitong International Asset Management Co., Ltd 0.01% of their portfolio | 44.7k $67.0k | Reduced -9.9k |
| IMC-Chicago, LLC 0.00% of their portfolio | 43.1k $64.7k | Added +24.1k |
| PRUDENTIAL FINANCIAL INC 0.00% of their portfolio | 40.8k $61.1k | Added +3.7k |
| DRW Securities, LLC 0.00% of their portfolio | 38.9k $58.3k | Added +25.8k |
| Abel Hall, LLC 0.01% of their portfolio | 38.2k $57.2k | New |
| JANE STREET GROUP, LLC 0.00% of their portfolio | 36.6k $54.9k | Added +11.2k |
| Janney Montgomery Scott LLC 0.00% of their portfolio | 35.2k $53.0k | Unchanged |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 31.5k $48.0k | Added +28.5k |
| COMMONWEALTH EQUITY SERVICES, LLC 0.00% of their portfolio | 30.3k $45.4k | Unchanged |
| Vanguard Personalized Indexing Management, LLC 0.00% of their portfolio | 29.5k $44.3k | Reduced -812 |
| Balefire, LLC 0.01% of their portfolio | 28.1k $42.1k | Unchanged |
| AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 27.3k $40.9k | Reduced -33.5k |
| VICTORY CAPITAL MANAGEMENT INC 0.00% of their portfolio | 26.7k $40.1k | Added +120 |
| Cambridge Investment Research Advisors, Inc. 0.00% of their portfolio | 25.3k $38.0k | Added +10.7k |
| Legal & General Group Plc 0.00% of their portfolio | 24.6k $37.0k | Added +3.6k |
| Baird Financial Group, Inc. 0.00% of their portfolio | 24.0k $36.0k | Reduced -17.5k |
| XPONANCE LLC 0.00% of their portfolio | 22.8k $34.1k | Added +2.2k |
| WEALTH ENHANCEMENT ADVISORY SERVICES, LLC 0.00% of their portfolio | 20.3k $29.5k | New |
| Decker Retirement Planning Inc. 0.01% of their portfolio | 20.0k $30.0k | New |
| Ameritas Investment Partners, Inc. 0.00% of their portfolio | 19.6k $29.4k | Unchanged |
| HSBC HOLDINGS PLC 0.00% of their portfolio | 17.7k $26.5k | Added +1.7k |
| PNC Financial Services Group, Inc. 0.00% of their portfolio | 17.7k $26.5k | Added +4.4k |
| Balyasny Asset Management L.P. 0.00% of their portfolio | 17.6k $26.4k | Reduced -207.5k |
| Sigma Planning Corp 0.00% of their portfolio | 17.0k $25.5k | Unchanged |
| HBK Sorce Advisory LLC 0.00% of their portfolio | 16.2k $24.8k | Unchanged |
| GTS SECURITIES LLC 0.00% of their portfolio | 16.0k $23.9k | New |
| CENTRAL TRUST Co 0.00% of their portfolio | 15.9k $23.9k | Unchanged |
| Walkner Condon Financial Advisors LLC 0.00% of their portfolio | 15.9k $23.9k | New |
| MARIPAU WEALTH MANAGEMENT LLC 0.01% of their portfolio | 14.6k $21.9k | Added +1.1k |
| SEI INVESTMENTS CO 0.00% of their portfolio | 13.9k $20.8k | Reduced -401 |