CUSIP: 83418M103 | NYSE | Energy · Oil & Gas Equipment & Services | Mid Cap | 853 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 |
|---|---|---|---|---|---|
| 13G/AVoya Financial, Inc. | 2,989,474 | 4.3% | Newly reported | Sep 30, 2026 | No 13F filer matched |
| 13G/ABlackRock, Inc. | 8,024,851 | 13.1% | +3,912,149 | Jul 31, 2026 | 31d ahead of 13F (5,204,415 sh) · +2,820,436 |
| 13G/AYorktown X Associates LLC | 5,079,234 | 7.2% | New 5%+ stake | May 6, 2026 | No 13F filer matched |
| 13D/AKTR Management Company, LLC | 2,000,000 | 3.9% | Newly reported | Nov 4, 2025 | No 13F filer matched |
| Style | Turnover | Location | Filed | ||||
|---|---|---|---|---|---|---|---|
| 1,507,972 | $107.3M | 0.1% | Core | Low | Des Moines, IA | 2026-11-02 | |
| 1,029,000 | $73.2M | 3.4% | Yield | Medium | Dallas, TX | 2026-10-26 | |
| 814,766 | $58.0M | 0.0% | Index | Low | Austin, TX | 2026-11-04 | |
| 786,838 | $56.0M | 0.6% | Momentum | Medium | Rye, NY | 2026-10-06 | |
| 335,229 | $23.9M | 0.2% | Growth | Medium | Boston, MA | 2026-10-06 | |
| 317,999 | $22.7M | 1.7% | Value | High | Philadelphia, PA | 2026-11-04 | |
| 173,716 | $12.4M | 0.2% | Growth | Medium | New York, NY | 2026-11-03 | |
| 160,238 | $11.4M | 0.0% | Core | Medium | New York, NY | 2026-11-04 | |
| 123,730 | $8.8M | 0.1% | Core | Low | New York, NY | 2026-10-20 | |
| 96,950 | $6.9M | 0.1% | Core | Low | Shawnee Mission, KS | 2026-11-03 | |
| 89,831 | $6.4M | 0.4% | ETF | Medium | Cornelius, NC | 2026-10-16 | |
| 87,305 | $6.2M | 0.3% | Value | Very High | Greenwich, CT | 2026-11-02 | |
| 74,839 | $5.3M | 2.3% | Deep Value | Low | Dallas, TX | 2026-11-04 | |
| 61,700 | $4.4M | 0.8% | Growth | High | Boston, MA | 2026-11-05 | |
| 58,270 | $4.0M | 0.2% | Core | Medium | London, United Kingdom | 2026-11-04 | |
| 56,649 | $4.0M | 0.0% | Index | Very Low | Overland Park, KS | 2026-11-02 | |
| 47,186 | $3.4M | 2.1% | Growth | Very High | Albany, NY | 2026-10-20 | |
| 40,748 | $2.9M | 0.6% | Value | High | Marblehead, MA | 2026-10-27 | |
| 40,477 | $2.9M | 0.4% | GARP | High | London, United Kingdom | 2026-10-28 | |
| 35,280 | $2.5M | 0.0% | Index | Very Low | Tokyo, Mexico | 2026-10-27 | |
| 34,970 | $2.2M | 0.0% | Growth | Medium | Geneva 1, Switzerland | 2026-11-04 | |
| 28,000 | $2.0M | 0.0% | Index | Low | Baton Rouge, LA | 2026-10-20 | |
| 23,323 | $1.7M | 0.0% | Core | Medium | Naples, FL | 2026-10-22 | |
| 22,579 | $1.5M | 0.0% | Growth | Medium | Sandy, UT | 2026-10-20 | |
| 22,579 | $1.5M | 0.0% | Growth | Low | Sandy, UT | 2026-10-20 | |
| 21,624 | $1.5M | 0.0% | Core | Low | Trenton, NJ | 2026-11-05 | |
| 18,341 | $1.3M | 0.1% | Core | Medium | Hunt Valley, MD | 2026-10-26 | |
| 17,155 | $1.2M | 0.0% | Index | Very Low | Bloomfield Hills, MI | 2026-10-22 | |
| 16,799 | $1.2K | 0.0% | Core | Very Low | New York, NY | 2026-10-23 | |
| 16,175 | $1.2M | 0.0% | GARP | Very High | Chicago, IL | 2026-11-05 | |
| 15,511 | $1.1M | 0.0% | Core | Low | Harrisburg, PA | 2026-11-03 | |
| 14,800 | $1.1M | 0.0% | Index | Very Low | Tigard, OR | 2026-10-30 | |
| 14,736 | $1.0M | 0.0% | ETF | Very Low | Leawood, KS | 2026-10-19 | |
| 14,492 | $1.0M | 0.0% | Core | Medium | New York, NY | 2026-10-27 | |
| 14,241 | $1.0M | 0.0% | Index | Very Low | Phoenix, AZ | 2026-11-03 | |
| 12,132 | $863.6K | 0.1% | ETF | High | New York, NY | 2026-10-27 | |
| 11,749 | $836.3K | 0.6% | Growth | Low | Newport Beach, CA | 2026-10-28 | |
| 11,105 | $790 | 0.0% | Core | Very Low | Juneau, AK | 2026-10-15 | |
| 9,705 | $690.8K | 0.1% | Growth | Low | Tysons Corner, VA | 2026-10-13 | |
| 9,137 | $650 | 0.0% | Core | Low | Pasadena, CA | 2026-10-22 | |
| 9,050 | $645 | 0.0% | Value | High | London, United Kingdom | 2026-10-30 | |
| 8,811 | $643.9K | 0.0% | Core | Low | Plymouth, MN | 2026-10-13 | |
| 8,718 | $620.5K | 0.1% | Growth | Low | Purchase, NY | 2026-10-21 | |
| 8,545 | $608.2K | 0.0% | Core | Low | Brooklyn, OH | 2026-11-04 | |
| 8,145 | $579.8K | 0.0% | Core | Medium | Charlotte, NC | 2026-10-15 | |
| 7,979 | $567.9K | 0.0% | Growth | Medium | Carouge, Switzerland | 2026-11-03 | |
| 7,833 | $557.6K | 0.0% | Growth | Low | Bethesda, MD | 2026-10-29 | |
| 7,816 | $556.3K | 0.0% | Growth | Low | Beachwood, OH | 2026-10-28 | |
| 7,613 | $541.9K | 0.0% | ETF | Low | Concord, CA | 2026-10-21 | |
| 7,549 | $537 | 0.0% | Value | Very High | Castle Rock, CO | 2026-11-04 | |
| 7,511 | $534.6K | 0.0% | Index | Low | New York, NY | 2026-10-23 | |
| 7,205 | $512.9K | 0.1% | ETF | Very Low | Sugar Land, TX | 2026-10-21 | |
| 7,120 | $506.8K | 0.2% | Growth | Medium | Nashville, TN | 2026-10-20 | |
| 7,038 | $501.0K | 0.0% | Growth | Low | Bethesda, MD | 2026-10-29 | |
| 6,942 | $494.1K | 0.1% | Agg Growth | Very Low | Indianapolis, IN | 2026-10-19 | |
| 6,907 | $491.7K | 0.0% | Core | High | Denver, CO | 2026-11-05 | |
| 6,812 | $484.9K | 0.1% | Core | Low | Alpharetta, GA | 2026-10-22 | |
| 6,660 | $474.1K | 0.0% | Growth | Medium | Tampa, FL | 2026-10-16 | |
| 6,600 | $469.8K | 0.0% | ETF | Low | Morristown, NJ | 2026-10-26 | |
| 6,550 | $466.2K | 0.3% | Momentum | Medium | Las Vegas, NV | 2026-10-21 | |
| 6,316 | $449.6K | 0.0% | Core | Low | New York, NY | 2026-11-03 | |
| 6,277 | $447 | 0.0% | ETF | Low | Fairfield, IA | 2026-11-02 | |
| 5,900 | $420.0K | 0.3% | Growth | Medium | Sugar Land, TX | 2026-11-03 | |
| 5,290 | $376.5K | 0.0% | Index | Very Low | Philadelphia, PA | 2026-11-03 | |
| 5,203 | $370.3K | 0.0% | Core | Medium | Provo, UT | 2026-10-20 | |
| 5,074 | $361.2K | 0.0% | Deep Value | Very High | Chicago, IL | 2026-11-02 | |
| 4,791 | $341.0K | 0.1% | ETF | High | Centerville, UT | 2026-10-28 | |
| 4,625 | $329.2K | 0.0% | ETF | Low | Wayne, PA | 2026-10-20 | |
| 4,538 | $323.0K | 0.0% | ETF | Medium | Kokomo, IN | 2026-11-04 | |
| 4,425 | $315.0K | 0.0% | Core | Low | New York, NY | 2026-10-26 | |
| 4,315 | $307.2K | 0.4% | GARP | Low | Newport Beach, CA | 2026-10-14 | |
| 4,215 | $300.0K | 0.0% | Core | Medium | Scottsdale, AZ | 2026-11-03 | |
| 4,113 | $293 | 0.0% | Core | Very Low | Albany, NY | 2026-10-22 | |
| 3,882 | $276.3K | 0.2% | Momentum | High | Redlands, CA | 2026-10-28 | |
| 3,847 | $273.8K | 0.0% | GARP | Medium | Houston, TX | 2026-10-21 | |
| 3,667 | $261.0K | 0.0% | Growth | Low | Red Bank, NJ | 2026-10-23 | |
| 3,516 | $250.2K | 0.1% | ETF | Medium | Auburn, NY | 2026-10-20 | |
| 3,459 | $246.2K | 0.0% | Core | Medium | Birmingham, AL | 2026-10-26 | |
| 3,146 | $223.9K | 0.0% | Core | Low | Virginia Beach, VA | 2026-10-30 | |
| 3,117 | $221.9K | 0.0% | Core | Low | Zurich, Switzerland | 2026-11-03 | |
| 3,109 | $221.3K | 0.0% | ETF | Medium | Dallas, TX | 2026-10-09 | |
| 3,000 | $213.5K | 0.1% | GARP | Low | Livingston, NJ | 2026-10-22 | |
| 2,503 | $178.2K | 0.0% | Index | Very Low | Foster City, CA | 2026-10-08 | |
| 2,227 | $158.5K | 0.0% | Value | High | Cheyenne, WY | 2026-10-28 | |
| 1,914 | $136.2K | 0.0% | Index | Very Low | St. Louis, MO | 2026-10-20 | |
| 1,858 | $132.3K | 0.0% | GARP | Medium | Charlotte, NC | 2026-10-22 | |
| 1,800 | $128.1K | 0.0% | Core | Medium | Columbus, OH | 2026-10-30 | |
| 1,780 | $126.7K | 0.0% | ETF | Low | Mcdonough, GA | 2026-10-13 | |
| 1,604 | $114.2K | 0.1% | Core | Low | Keene, NH | 2026-10-27 | |
| 1,582 | $113 | 0.0% | Core | Medium | Brussels, Czech Republic | 2026-10-22 | |
| 1,469 | $104.6K | 0.0% | Index | Low | San Francisco, CA | 2026-10-08 | |
| 1,167 | $83.1K | 0.0% | Agg Growth | Low | Tokyo, Mexico | 2026-10-22 | |
| 1,115 | $79.4K | 0.0% | GARP | Very High | Reno, NV | 2026-10-09 | |
| 1,000 | $71.2K | 0.0% | Growth | Very Low | Amherst, MA | 2026-10-20 | |
| 999 | $68 | 0.0% | Momentum | Medium | London, United Kingdom | 2026-11-02 | |
| 782 | $56 | 0.0% | Value | High | Chicago, IL | 2026-10-22 | |
| 706 | $50.2K | 0.0% | Growth | Medium | Mclean, VA | 2026-10-30 | |
| 684 | $48.7K | 0.0% | Index | Low | San Francisco, CA | 2026-11-03 | |
| 623 | $44.3K | 0.0% | GARP | Low | Mansfield, OH | 2026-10-27 | |
| 529 | $37.7K | 0.0% | GARP | Low | Phoenix, AZ | 2026-10-02 | |
| 378 | $26.9K | 0.0% | Growth | Low | San Antonio, TX | 2026-10-28 | |
| 371 | $26.4K | 0.0% | Core | High | Austin, TX | 2026-11-03 | |
| 343 | $24.4K | 0.0% | ETF | Medium | Chicago, IL | 2026-10-14 | |
| 321 | $22.8K | 0.0% | ETF | Very Low | Richmond, VA | 2026-10-29 | |
| 293 | $20.9K | 0.0% | Core | Very Low | Saint Louis, MO | 2026-10-27 | |
| 290 | $20.6K | 0.0% | Index | Low | Atlanta, GA | 2026-10-23 | |
| 275 | $19.6K | 0.0% | Core | Low | Baltimore, MD | 2026-10-27 | |
| 242 | $17.2K | 0.0% | Growth | Very Low | Beverly Hills, CA | 2026-10-27 | |
| 216 | $15.4K | 0.0% | ETF | Very High | San Diego, CA | 2026-10-22 | |
| 216 | $15.4K | 0.0% | Growth | Low | St Louis, MO | 2026-11-05 | |
| 184 | $13.1K | 0.0% | Agg Growth | High | Tokyo, Mexico | 2026-11-02 | |
| 168 | $12.0K | 0.0% | Growth | Low | Tampa, FL | 2026-10-16 | |
| 156 | $11.1K | 0.0% | Core | Low | Cleveland, OH | 2026-10-20 | |
| 147 | $10.5K | 0.0% | ETF | Low | Brentwood, TN | 2026-10-15 | |
| 142 | $10.1K | 0.0% | Core | Medium | Birmingham, AL | 2026-11-04 | |
| 114 | $8.1K | 0.0% | ETF | Medium | Encinitas, CA | 2026-10-21 | |
| 104 | $7.4K | 0.0% | ETF | Medium | Scottsdale, AZ | 2026-10-14 | |
| 95 | $6.8K | 0.0% | Core | Low | Springfield, MA | 2026-10-05 | |
| 76 | $5.4K | 0.0% | Core | Medium | Orchard Park, NY | 2026-11-05 | |
| 58 | $4.1K | 0.0% | Core | Very Low | Lincoln, NE | 2026-10-22 | |
| 56 | $4.0K | 0.0% | ETF | Low | Dallas, TX | 2026-11-03 | |
| 52 | $3.7K | 0.0% | ETF | High | Needham, MA | 2026-10-09 | |
| 50 | $3.6K | 0.0% | ETF | Medium | Midvale, UT | 2026-10-20 | |
| 43 | $3 | 0.0% | ETF | Low | Shaker Heights, OH | 2026-10-27 | |
| 40 | $2.8K | 0.0% | Growth | N/A | Kansas City, MO | 2026-10-19 | |
| 29 | $2.1K | 0.0% | ETF | Very Low | Hermitage, PA | 2026-11-03 | |
| 28 | $1 | 0.0% | ETF | Low | The Woodlands, TX | 2026-11-04 | |
| 28 | $2.0K | 0.0% | ETF | Low | Princeton, NJ | 2026-10-19 | |
| 24 | $1.7K | 0.0% | ETF | Low | Hunt Valley, MD | 2026-10-23 | |
| 21 | $1.5K | 0.0% | ETF | Very Low | Orinda, CA | 2026-10-29 | |
| 20 | $1.4K | 0.0% | ETF | Low | Murray, UT | 2026-10-28 | |
| 16 | $1.1K | 0.0% | ETF | Very Low | O'Fallon, IL | 2026-10-19 | |
| 15 | $1.1K | 0.0% | Core | Low | Leesburg, VA | 2026-10-08 | |
| 13 | $926 | 0.0% | ETF | Low | Bethlehem, PA | 2026-10-23 | |
| 11 | $783 | 0.0% | ETF | Medium | Akron, OH | 2026-10-13 | |
| 11 | $783 | 0.0% | ETF | Very Low | Gap, PA | 2026-11-04 | |
| 10 | $712 | 0.0% | ETF | Low | San Diego, CA | 2026-10-28 | |
| 8 | $570 | 0.0% | Growth | Low | Denver, CO | 2026-10-09 | |
| 6 | $427 | 0.0% | Agg Growth | Low | Dallas, TX | 2026-11-03 | |
| 5 | $356 | 0.0% | ETF | Low | Beaver, PA | 2026-10-16 | |
| 5 | $355 | 0.0% | ETF | Very Low | Boca Raton, FL | 2026-10-15 | |
| 5 | $356 | 0.0% | Core | Low | Jacksonville, FL | 2026-10-08 | |
| 3 | $214 | 0.0% | ETF | Very Low | Hanover, NH | 2026-10-23 | |
| 3 | $207 | 0.0% | ETF | Low | Herndon, VA | 2026-10-30 | |
| 3 | $214 | 0.0% | ETF | Very Low | Sylvania, OH | 2026-10-26 | |
| 3 | $214 | 0.0% | ETF | Medium | Hunt Valley, MD | 2026-11-03 | |
| 1 | $72 | 0.0% | ETF | Very Low | Mesa, AZ | 2026-10-27 |