Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
301 institutional managers reported holding KMT for the quarter ended Mar 31, 2026. Reported positions total over 95% of shares outstanding; the top 10 hold 60%. 74 opened new positions; 35 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 12.16M | 15.64% | $438.7M | added +8% | ≤2013 |
| Vanguard Group | 9.59M | 12.34% | $346.1M | added +9.1% | ≤2013 |
| Brandes Investment Partners, LP | 5.27M | 6.77% | $190.0M | trimmed -48.5% | 2022 Q3 |
| Dimensional Fund Advisors | 4.74M | 6.09% | $170.9M | unchanged | ≤2013 |
| American Century Companies INC | 3.50M | 4.50% | $126.1M | added +10.9% | ≤2013 |
| State Street | 2.96M | 3.81% | $106.8M | added +2.1% | ≤2013 |
| William Blair Investment Management, LLC | 2.48M | 3.19% | $89.6M | opened | 2026 Q1 |
| Arrowstreet Capital | 2.30M | 2.96% | $82.9M | added +15.4% | 2023 Q1 |
| Geode Capital | 1.92M | 2.47% | $69.2M | added +2% | ≤2013 |
| FMR (Fidelity) | 1.72M | 2.21% | $62.2M | trimmed -29.6% | 2018 Q3 |
| Charles Schwab Investment Management | 1.52M | 1.96% | $54.9M | added +0.8% | ≤2013 |
| Morgan Stanley | 1.52M | 1.95% | $54.7M | trimmed -20.4% | ≤2013 |
| Medina Value Partners, LLC (focused) | 1.12M | 1.44% | $40.3M | added +15.3% | 2025 Q2 |
| Fisher Investments | 1.08M | 1.38% | $38.8M | trimmed -9.8% | 2020 Q3 |
| BNY Mellon | 963.7k | 1.24% | $34.8M | trimmed -3.2% | ≤2013 |
| NFJ Investment Group, LLC | 929.3k | 1.20% | $33.5M | opened | 2026 Q1 |
| Ariel Investments, LLC | 869.0k | 1.12% | $31.4M | trimmed -63.5% | 2014 Q2 |
| Northern Trust | 846.1k | 1.09% | $30.5M | unchanged | ≤2013 |
| UBS | 824.0k | 1.06% | $29.7M | added +12% | ≤2013 |
| Susquehanna International Group | 821.6k | 1.06% | $29.6M | opened | 2018 Q1 |
| Bank OF America CORP /DE/ | 805.6k | 1.04% | $29.1M | added +52.7% | ≤2013 |
| Nuveen | 783.7k | 1.01% | $28.3M | added +375.1% | 2017 Q4 |
| Invesco | 695.8k | 0.90% | $25.1M | added +119.2% | ≤2013 |
| Bridgeway Capital Management, LLC | 669.2k | 0.86% | $24.1M | added +2% | 2025 Q1 |
| IMC-Chicago, LLC | 647.5k | 0.83% | $23.4M | opened | 2026 Q1 |
| Bridgewater Associates | 639.2k | 0.82% | $23.1M | opened | 2026 Q1 |
| Goldman Sachs | 628.4k | 0.81% | $22.7M | trimmed -3.7% | ≤2013 |
| T. Rowe Price Investment Management, INC. | 596.6k | 0.77% | $21.5M | opened | 2026 Q1 |
| Wellington Management | 554.3k | 0.71% | $20.0M | trimmed -57.7% | 2018 Q2 |
| Deprince Race & Zollo INC | 490.0k | 0.63% | $17.7M | trimmed -63.5% | 2025 Q2 |
| AQR Capital | 483.2k | 0.62% | $17.4M | added +62% | 2021 Q2 |
| Jupiter Asset Management LTD | 478.3k | 0.61% | $17.3M | opened | 2026 Q1 |
| Empowered Funds, LLC | 377.6k | 0.49% | $13.6M | added +4.4% | 2025 Q1 |
| Principal Financial Group INC | 370.3k | 0.48% | $13.4M | trimmed -27.2% | ≤2013 |
| Two Sigma | 359.7k | 0.46% | $13.0M | added +558.6% | 2021 Q2 |
| Victory Capital Management INC | 357.1k | 0.46% | $12.9M | trimmed -25.3% | 2017 Q4 |
| Public Sector Pension Investment Board | 338.6k | 0.43% | $12.2M | added +10.4% | 2023 Q1 |
| Acadian Asset Management | 311.7k | 0.40% | $11.2M | added +674.6% | 2025 Q2 |
| SG Americas Securities, LLC | 300.2k | 0.39% | $10.8M | added +9.5% | 2025 Q2 |
| Point72 | 298.0k | 0.38% | $10.8M | added +33.4% | 2025 Q1 |
| Dana Investment Advisors, INC. | 286.4k | 0.37% | $10.3M | trimmed -6.7% | 2025 Q2 |
| Prudential Financial INC | 278.1k | 0.36% | $10.0M | added +119.7% | ≤2013 |
| Russell Investments Group, LTD. | 277.8k | 0.36% | $10.0M | trimmed -39.9% | 2016 Q4 |
| Lazard Asset Management LLC | 274.2k | 0.35% | $9.9M | added +46% | 2023 Q2 |
| M&G PLC | 259.5k | 0.33% | $9.4M | trimmed -22.9% | 2025 Q2 |
| O'shaughnessy Asset Management, LLC | 244.7k | 0.32% | $8.8M | added +4.8% | 2024 Q1 |
| LSV Asset Management | 240.5k | 0.31% | $8.7M | added +198.4% | 2025 Q4 |
| Gamco Investors, INC. et al | 237.3k | 0.30% | $8.6M | trimmed -2.5% | ≤2013 |
| Rhumbline Advisers | 218.7k | 0.28% | $7.9M | added +0.9% | ≤2013 |
| Algert Global LLC | 207.0k | 0.27% | $7.5M | opened | 2026 Q1 |
Largest 50 of 301 shown; the full ranked, searchable register is at boothcheck.com/holders/KMT. Related filers are grouped using the filings' own included-manager declarations. Historically, several managers opening new positions in the same quarter said almost nothing about the quarter that followed (59,118 cases since 2013). A filed record, not a forecast. Nothing here is investment advice.