Gevo, Inc.
Gevo, Inc. (GEVO) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · GEVO · as of Sep 30, 2025
Ownership Breakdown
147
Institutional Holders
▲ 18 vs Q2
$164.60M
Total Inst. Value
▲ $67.28M vs Q2
243.41M
Shares Outstanding
freeFloat 94.99%
83.96M
13F Shares Held
▲ 10.24M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
GEVO largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. industrial organic chemicals | 17.27M | 7.41% | 7.41% | $33.85B | Nov 12, 2025 | ▲ 1.25M |
VANGUARD GROUP INC industrial organic chemicals | 15.48M | 6.65% | 6.65% | $30.35B | Nov 7, 2025 | ▲ 455.5K |
UBS GROUP AG industrial organic chemicals | 9.53M | 4.09% | 4.09% | $18.67B | Nov 13, 2025 | ▼ 1.13M |
STATE STREET CORP industrial organic chemicals | 7.48M | 3.21% | 3.21% | $14.66B | Nov 14, 2025 | ▲ 4.63M |
GEODE CAPITAL MANAGEMENT, LLC industrial organic chemicals | 5.67M | 2.43% | 2.43% | $11.11B | Nov 12, 2025 | ▲ 43.1K |
INVESCO LTD. industrial organic chemicals | 4.16M | 1.79% | 1.79% | $8.15B | Nov 13, 2025 | ▲ 245.0K |
FIRST BANK & TRUST industrial organic chemicals | 3.06M | 1.32% | 1.32% | $6.01B | Oct 10, 2025 | NEW |
CITADEL ADVISORS LLC industrial organic chemicals | 2.22M | 95.28% | 95.28% | $4.35B | Nov 14, 2025 | ▲ 433.0K |
NUVEEN, LLC industrial organic chemicals | 1.99M | 85.52% | 85.52% | $3.90B | Nov 12, 2025 | ▲ 256.6K |
GRANTHAM, MAYO, VAN OTTERLOO & CO. LLC industrial organic chemicals | 1.94M | 83.13% | 83.13% | $3.80B | Nov 13, 2025 | — held |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
21
Increased
+9.44M shares7
New Positions
first time holders19
Decreased
−2.34M shares0
Sold Out
fully exitedNet shares change (top 50)
+7.10M
+9.44M / −2.34M
Net new holders
+9
7 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
GEVO insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
27
Buy transactions
14
Sell transactions
1.93
Buy/Sell ratio
$1M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Mize Gary W. director | May 27, 2026 | Award | 70,000 | — | — | 351.2K | Form 4 ↗ |
Marsh Andrew director | May 27, 2026 | Award | 70,000 | — | — | 343.7K | Form 4 ↗ |
Guillen Jaime director | May 27, 2026 | Award | 70,000 | — | — | 264.0K | Form 4 ↗ |
Ellet Mary Kathryn director | May 27, 2026 | Award | 70,000 | — | — | 132.8K | Form 4 ↗ |
BAUM WILLIAM H director | May 27, 2026 | Award | 80,893 | $1.80 | $145.6K | 80.9K | Form 4 ↗ |
Barber James J director | May 27, 2026 | Award | 70,000 | — | — | 70.0K | Form 4 ↗ |
Gruber Patrick R. director | May 27, 2026 | Award | 70,000 | — | — | 3.92M | Form 4 ↗ |
Gruber Patrick R. director | May 27, 2026 | Sale | 186,469 | $1.76 | $328.1K | 3.73M | Form 4 ↗ |
Shafer Andrew Chief Mktg Cust & Brnd Officer | May 27, 2026 | Sale | 32,667 | $1.76 | $57.5K | 321.1K | Form 4 ↗ |
Bowron Kimberly T Chief of Staff | May 27, 2026 | Sale | 25,101 | $1.76 | $44.2K | 711.8K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Gevo, Inc. (GEVO) is primarily owned by institutional investors, who hold approximately 34.5% of total shares outstanding. Company insiders own approximately 5.01%, while retail and public investors account for the remaining 60.50%.
The largest institutional shareholder of Gevo, Inc. is BLACKROCK, INC., holding approximately 17.27 million shares — equal to 7.41% of outstanding shares — as of September 30, 2025.
A total of 147 institutional investors currently hold GEVO stock, with a combined institutional value of approximately $164,604,082 as of the most recent 13F filing period.
Frequently asked questions
GEVO ownershipGevo, Inc. (GEVO) is primarily owned by institutional investors, who hold approximately 34.5% of shares. The largest shareholder is BLACKROCK, INC. with a 7.41% stake. Company insiders hold 5.01%. Data sourced from SEC Form 13F as of September 30, 2025.