CUSIP: 86722A103 | NYSE | Basic Materials · Coking Coal | Small Cap | 938 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 |
|---|---|---|---|---|---|
| 13GAmerican Century Investment Management, Inc. with American Century ETF Trust | 4,537,177 | 5.4% | New 5%+ stake | Jun 30, 2026 | No 13F filer matched |
| Style | Turnover | Location | Filed | ||||
|---|---|---|---|---|---|---|---|
| 5,406,762 | $51.0M | 0.0% | Index | Low | Austin, TX | 2026-11-04 | |
| 857,214 | $8.1M | 0.0% | Core | Medium | Toronto Ontario, Australia | 2026-11-02 | |
| 824,007 | $7.8M | 0.0% | Growth | High | Senningerberg, Netherlands | 2026-10-15 | |
| 299,279 | $2.8M | 0.0% | Core | Low | New York, NY | 2026-11-05 | |
| 291,253 | $2.7M | 0.1% | Core | Medium | Naples, FL | 2026-10-19 | |
| 267,141 | $2.5M | 0.1% | Value | Very High | Hong Kong, South Korea | 2026-10-16 | |
| 195,000 | $1.8M | 0.1% | Value | Very Low | Nashville, TN | 2026-10-27 | |
| 164,618 | $1.6M | 0.0% | Index | Very Low | Overland Park, KS | 2026-11-02 | |
| 153,362 | $1.4M | 0.0% | Growth | Medium | Oklahoma City, OK | 2026-10-28 | |
| 111,255 | $1.0M | 0.6% | Deep Value | High | Stamford, CT | 2026-10-19 | |
| 110,700 | $1.0M | 0.0% | Core | Medium | Columbus, OH | 2026-10-30 | |
| 72,634 | $708.2K | 0.0% | Core | Low | Plymouth, MN | 2026-10-13 | |
| 44,729 | $421.8K | 0.0% | Core | Very High | Chicago, IL | 2026-11-04 | |
| 43,221 | $421.0K | 0.0% | Core | Medium | Charlotte, NC | 2026-11-04 | |
| 35,692 | $336.6K | 0.1% | ETF | Low | Colorado Springs, CO | 2026-10-20 | |
| 35,301 | $332.9K | 0.0% | Core | Medium | New York, NY | 2026-11-04 | |
| 32,063 | $302.4K | 0.0% | Deep Value | Very High | San Diego, CA | 2026-10-16 | |
| 31,820 | $300.1K | 0.0% | GARP | Medium | Charlotte, NC | 2026-10-22 | |
| 29,733 | $280.4K | 0.0% | Value | Very High | Greenwich, CT | 2026-11-02 | |
| 23,911 | $225.5K | 0.0% | Index | Very Low | Phoenix, AZ | 2026-11-03 | |
| 15,412 | $145.3K | 0.0% | Core | Very Low | Seattle, WA | 2026-11-03 | |
| 15,380 | $145.0K | 0.0% | Growth | Medium | Chicago, IL | 2026-10-27 | |
| 14,656 | $138.2K | 0.0% | GARP | Medium | Houston, TX | 2026-11-02 | |
| 14,065 | $132.6K | 0.0% | Index | Very Low | Atlanta, GA | 2026-10-23 | |
| 12,793 | $120.6K | 0.0% | Value | High | Cheyenne, WY | 2026-10-28 | |
| 12,719 | $119.9K | 0.0% | Index | Low | New York, NY | 2026-10-29 | |
| 11,441 | $107.9K | 0.0% | Growth | Medium | Carouge, Switzerland | 2026-11-03 | |
| 11,288 | $106.4K | 0.0% | Index | Very Low | St. Louis, MO | 2026-10-20 | |
| 10,834 | $102.2K | 0.0% | Growth | Low | Bethesda, MD | 2026-10-29 | |
| 10,769 | $101.6K | 0.0% | Core | Low | Charlotte, NC | 2026-10-19 | |
| 9,382 | $88.5K | 0.0% | ETF | Medium | Southfield, MI | 2026-10-08 | |
| 8,639 | $81.5K | 0.0% | Index | Very Low | Foster City, CA | 2026-10-08 | |
| 6,050 | $57.1K | 0.0% | Index | Low | San Francisco, CA | 2026-10-08 | |
| 6,032 | $56.9K | 0.0% | ETF | Medium | Scottsdale, AZ | 2026-10-14 | |
| 3,630 | $34.2K | 0.0% | Index | Very Low | Tokyo, Mexico | 2026-11-05 | |
| 3,262 | $30.8K | 0.0% | Growth | Low | Tampa, FL | 2026-10-16 | |
| 2,945 | $27.8K | 0.0% | Index | Low | San Francisco, CA | 2026-11-03 | |
| 2,921 | $27 | 0.0% | Core | Very Low | Juneau, AK | 2026-10-15 | |
| 2,746 | $25.9K | 0.0% | Core | Low | Wilmington, DE | 2026-10-23 | |
| 2,558 | $24.1K | 0.0% | GARP | Low | Phoenix, AZ | 2026-10-02 | |
| 2,175 | $20.5K | 0.0% | Index | Low | Atlanta, GA | 2026-10-23 | |
| 1,772 | $16.7K | 0.0% | Core | Medium | Birmingham, AL | 2026-11-04 | |
| 1,617 | $15.2K | 0.0% | Value | Medium | Rancho Santa Fe, CA | 2026-10-14 | |
| 1,048 | $10 | 0.0% | Value | High | London, United Kingdom | 2026-10-30 | |
| 999 | $9 | 0.0% | Value | High | Chicago, IL | 2026-10-22 | |
| 929 | $8.8K | 0.0% | ETF | Medium | Encinitas, CA | 2026-10-21 | |
| 689 | $6.5K | 0.0% | Index | Very Low | Holladay, UT | 2026-11-05 | |
| 541 | $5.1K | 0.0% | Growth | Very Low | Beverly Hills, CA | 2026-10-27 | |
| 381 | $3.6K | 0.0% | ETF | Medium | Akron, OH | 2026-10-13 | |
| 318 | $3.0K | 0.0% | ETF | Medium | Santa Ana, CA | 2026-11-02 | |
| 287 | $2.7K | 0.0% | Growth | Very High | Hong Kong, South Korea | 2026-10-29 | |
| 285 | $2.7K | 0.0% | Index | Low | Minneapolis, MN | 2026-11-05 | |
| 281 | $2.7K | 0.0% | Core | Very Low | Saint Louis, MO | 2026-10-27 | |
| 250 | $2.4K | 0.0% | ETF | Very Low | Sylvania, OH | 2026-10-26 | |
| 245 | $2.3K | 0.0% | Core | Low | Pittston, PA | 2026-11-05 | |
| 222 | $2.1K | 0.0% | ETF | Low | Waltham, MA | 2026-10-16 | |
| 203 | $1.9K | 0.0% | Growth | Low | Morristown, NJ | 2026-10-13 | |
| 100 | $943 | 0.0% | Growth | Medium | Mclean, VA | 2026-10-30 | |
| 88 | $857 | 0.0% | Growth | Low | Newport, VT | 2026-10-15 | |
| 65 | $613 | 0.0% | ETF | Low | Fort Lauderdale, FL | 2026-10-30 | |
| 60 | $566 | 0.0% | ETF | Very Low | Naperville, IL | 2026-10-23 | |
| 59 | $556 | 0.0% | ETF | Medium | Birmingham, AL | 2026-10-20 | |
| 55 | $519 | 0.0% | Agg Growth | Low | Tokyo, Mexico | 2026-10-22 | |
| 51 | $481 | 0.0% | ETF | Very Low | Lake Oswego, OR | 2026-10-15 | |
| 31 | $342 | 0.0% | ETF | Low | Herndon, VA | 2026-10-30 | |
| 15 | $142 | 0.0% | ETF | Very Low | Boston, MA | 2026-10-26 | |
| 11 | $104 | 0.0% | Core | Medium | Hilton Head Island, SC | 2026-10-23 | |
| 7 | $56 | 0.0% | Value | Low | Bayport, MN | 2026-11-05 |