CUSIP: 387432107 | NYSE | Energy · Oil & Gas E&P | Small Cap | 321 institutional holders
5%+ stakes reported outside the quarterly cycle. A 13D is due within five business days of the event below, so these figures lead the holders table until the filer's next 13F catches up to them.
| Holder | Shares | % of Class | Change | Event Date | vs 13F |
|---|---|---|---|---|---|
| 13D/AGrep GP III, LLC with Grep GP III Holdings, LLC, Grep Holdco III-B Holdings, LLC, Grey Rock Energy Fund III-B, LP, +10 more | 51,648,048 | 39.2% | Unchanged | Aug 19, 2026 | No 13F filer matched |
| 13D/AGriffin Perry with Kirk Lazarine, Grey Rock Energy Fund II-B Holdings, L.P., Grey Rock Energy Partners GP II-B, L.P., +8 more | 1,147,877 | 0.9% | Newly reported | Aug 6, 2026 | No 13F filer matched |
| Style | Turnover | Location | Filed | ||||
|---|---|---|---|---|---|---|---|
| 9,082,131 | $39.4M | 22.0% | Yield | Medium | Conshohocken, PA | 2026-10-21 | |
| 4,262,728 | $18.5M | 0.0% | Index | Low | Austin, TX | 2026-11-04 | |
| 1,056,513 | $4.6M | 0.1% | Core | Medium | Naples, FL | 2026-10-19 | |
| 946,569 | $4.1M | 0.0% | Core | Low | New York, NY | 2026-11-05 | |
| 518,001 | $2.2M | 0.0% | Value | Very High | Hong Kong, South Korea | 2026-10-16 | |
| 513,929 | $2.2M | 0.0% | Index | Very Low | Overland Park, KS | 2026-11-02 | |
| 143,085 | $621.0K | 0.0% | ETF | Very Low | Providence, RI | 2026-10-29 | |
| 58,454 | $253.7K | 0.1% | ETF | Medium | Urbandale, IA | 2026-10-19 | |
| 54,884 | $263.4K | 0.0% | Core | Low | Plymouth, MN | 2026-10-13 | |
| 45,655 | $198.1K | 0.0% | GARP | Medium | Houston, TX | 2026-11-02 | |
| 30,969 | $134.4K | 0.0% | Core | Medium | Baton Rouge, LA | 2026-10-19 | |
| 19,062 | $82.7K | 0.0% | Core | Medium | New York, NY | 2026-11-04 | |
| 18,084 | $78.5K | 0.0% | ETF | Low | Waltham, MA | 2026-11-02 | |
| 17,985 | $78.1K | 0.0% | GARP | Low | Phoenix, AZ | 2026-10-02 | |
| 16,714 | $72.5K | 0.0% | Index | Very Low | Phoenix, AZ | 2026-11-03 | |
| 13,492 | $58.6K | 0.0% | Growth | Medium | Carouge, Switzerland | 2026-11-03 | |
| 12,739 | $54 | 0.0% | Core | Very Low | Juneau, AK | 2026-10-15 | |
| 11,977 | $52.0K | 0.0% | Core | Very Low | Seattle, WA | 2026-11-03 | |
| 11,006 | $47.8K | 0.0% | Growth | Low | Austin, TX | 2026-11-03 | |
| 10,314 | $46.3K | 0.0% | Core | Medium | Charlotte, NC | 2026-11-04 | |
| 10,202 | $44.3K | 1.8% | Yield | Very High | Boca Raton, FL | 2026-10-29 | |
| 7,514 | $32.6K | 0.0% | Index | Low | Atlanta, GA | 2026-10-23 | |
| 4,891 | $21.2K | 0.0% | Index | Low | Minneapolis, MN | 2026-11-05 | |
| 3,678 | $16.0K | 0.0% | Index | Low | San Francisco, CA | 2026-10-08 | |
| 2,927 | $12.7K | 0.0% | Index | Low | San Francisco, CA | 2026-11-03 | |
| 2,339 | $10.2K | 0.0% | Index | Very Low | St. Louis, MO | 2026-10-20 | |
| 2,060 | $8.9K | 0.0% | Growth | Low | St Louis, MO | 2026-11-05 | |
| 1,914 | $8.3K | 0.0% | Agg Growth | Low | Tokyo, Mexico | 2026-10-22 | |
| 1,629 | $7.1K | 0.0% | Core | Medium | Birmingham, AL | 2026-11-04 | |
| 1,625 | $7.0K | 0.0% | Value | High | Chicago, IL | 2026-10-22 | |
| 1,587 | $6.9K | 0.0% | GARP | Medium | Charlotte, NC | 2026-10-22 | |
| 1,524 | $6.6K | 0.0% | Growth | Low | Tampa, FL | 2026-10-16 | |
| 1,501 | $6.5K | 0.0% | ETF | Medium | Scottsdale, AZ | 2026-10-14 | |
| 1,342 | $5.8K | 0.0% | Index | Very Low | Foster City, CA | 2026-10-08 | |
| 1,300 | $5.6K | 0.0% | ETF | Medium | Denver, CO | 2026-10-14 | |
| 1,226 | $5.3K | 0.0% | Value | Medium | Rancho Santa Fe, CA | 2026-10-14 | |
| 552 | $2.4K | 0.0% | ETF | Very Low | Sylvania, OH | 2026-10-26 | |
| 500 | $2.2K | 0.0% | ETF | Low | Bethlehem, PA | 2026-10-23 | |
| 399 | $1.7K | 0.0% | ETF | Medium | Akron, OH | 2026-10-13 | |
| 290 | $1 | 0.0% | Value | High | London, United Kingdom | 2026-10-30 | |
| 278 | $1.2K | 0.0% | Core | Very High | Chicago, IL | 2026-11-04 | |
| 150 | $651 | 0.0% | ETF | Low | Princeton, NJ | 2026-10-19 | |
| 119 | $516 | 0.0% | ETF | Medium | Encinitas, CA | 2026-10-21 | |
| 71 | $308 | 0.0% | ETF | Low | Fort Lauderdale, FL | 2026-10-30 | |
| 62 | $269 | 0.0% | Agg Growth | Low | Dallas, TX | 2026-11-03 | |
| 8 | $35 | 0.0% | Growth | Very High | Hong Kong, South Korea | 2026-10-29 |