Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
95 institutional managers reported holding KMTS for the quarter ended Mar 31, 2026. Reported positions total over 95% of shares outstanding; the top 10 hold 89%. 16 opened new positions; 25 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Bain Capital Investors LLC (focused) | 25.17M | 45.07% | $501.1M | unchanged | 2025 Q1 |
| T. Rowe Price | 5.97M | 10.69% | $118.8M | added +36.6% | 2025 Q1 |
| FMR (Fidelity) | 5.72M | 10.24% | $113.9M | trimmed -2.2% | 2025 Q1 |
| Andera Partners (focused) | 2.70M | 4.83% | $53.6M | added +6.1% | 2025 Q4 |
| Yu Fan (focused) | 2.28M | 4.09% | $45.4M | unchanged | 2025 Q1 |
| Brown Advisory INC | 1.72M | 3.09% | $34.3M | added +2.1% | 2025 Q1 |
| BlackRock | 1.69M | 3.02% | $33.6M | added +36.8% | 2025 Q1 |
| Vanguard Group | 1.61M | 2.88% | $32.0M | added +26.2% | 2025 Q1 |
| Eventide Asset Management, LLC | 1.45M | 2.59% | $28.8M | added +13.9% | 2025 Q1 |
| AllianceBernstein | 1.32M | 2.36% | $26.3M | trimmed -7.4% | 2025 Q1 |
| Franklin Resources | 1.24M | 2.23% | $24.7M | added +30.7% | 2025 Q1 |
| Omega Fund Management, LLC (focused) | 1.02M | 1.83% | $20.3M | trimmed -25.6% | 2025 Q1 |
| State Street | 671.1k | 1.20% | $13.4M | added +53.9% | 2025 Q2 |
| Hood River Capital Management LLC | 655.9k | 1.17% | $13.1M | added +17% | 2025 Q3 |
| Geode Capital | 573.9k | 1.03% | $11.4M | added +36.9% | 2025 Q1 |
| Federated Hermes, INC. | 525.0k | 0.94% | $10.5M | unchanged | 2025 Q1 |
| Next Century Growth Investors LLC | 457.6k | 0.82% | $9.1M | trimmed -1.8% | 2025 Q3 |
| Driehaus Capital Management LLC | 447.3k | 0.80% | $8.9M | trimmed -3.4% | 2025 Q4 |
| UBS | 349.8k | 0.63% | $7.0M | added +29.5% | 2025 Q1 |
| Goldman Sachs | 288.4k | 0.52% | $5.7M | added +5.8% | 2025 Q2 |
| SEI Investments CO | 237.1k | 0.42% | $4.7M | added +22.6% | 2025 Q2 |
| Millennium Management | 197.5k | 0.35% | $3.9M | trimmed -9% | 2025 Q1 |
| Northern Trust | 191.6k | 0.34% | $3.8M | added +44.7% | 2025 Q2 |
| Charles Schwab Investment Management | 172.2k | 0.31% | $3.4M | added +44% | 2025 Q2 |
| Summit Partners Public Asset Management, LLC | 147.3k | 0.26% | $2.9M | trimmed -57.9% | 2025 Q4 |
| Morgan Stanley | 145.6k | 0.26% | $2.9M | added +70.3% | 2025 Q1 |
| Bellevue Group AG | 115.6k | 0.21% | $2.3M | unchanged | 2025 Q1 |
| Schonfeld Strategic Advisors | 113.9k | 0.20% | $2.3M | opened | 2026 Q1 |
| Trexquant Investment LP | 111.3k | 0.20% | $2.2M | opened | 2026 Q1 |
| TD Asset Management INC | 109.4k | 0.20% | $2.2M | trimmed -17.7% | 2025 Q1 |
| Seven Grand Managers, LLC | 100.0k | 0.18% | $2.0M | unchanged | 2025 Q4 |
| Manufacturers Life Insurance Company, THE | 92.5k | 0.17% | $1.8M | added +6.6% | 2025 Q1 |
| Ghisallo Capital Management LLC | 75.0k | 0.13% | $1.5M | trimmed -57.6% | 2025 Q1 |
| BNY Mellon | 70.1k | 0.13% | $1.4M | added +47.2% | 2025 Q2 |
| Bank OF America CORP /DE/ | 51.5k | 0.09% | $1.0M | trimmed -8.3% | 2025 Q1 |
| Burkehill Global Management, LP | 50.0k | 0.09% | $995k | unchanged | 2025 Q4 |
| Mirae Asset Global Etfs Holdings LTD. | 39.9k | 0.07% | $794k | added +15.2% | 2025 Q3 |
| Swiss National Bank | 39.6k | 0.07% | $788k | unchanged | 2025 Q4 |
| Tudor Investment | 31.9k | 0.06% | $635k | opened | 2026 Q1 |
| Nuveen | 31.9k | 0.06% | $635k | added +35.9% | 2025 Q2 |
| Spartan Wealth Advisory Services LLC | 30.3k | 0.05% | $602k | opened | 2026 Q1 |
| Deutsche Bank AG\ | 29.3k | 0.05% | $582k | added +63.6% | 2025 Q3 |
| California State Teachers Retirement System | 27.8k | 0.05% | $554k | added +39.2% | 2025 Q2 |
| Rhumbline Advisers | 26.3k | 0.05% | $524k | added +67.2% | 2025 Q2 |
| US Bancorp \DE\ | 25.1k | 0.04% | $500k | added +23176.9% | 2025 Q3 |
| NEW York State Common Retirement Fund | 25.1k | 0.04% | $499k | unchanged | 2025 Q2 |
| Quantinno Capital Management LP | 21.6k | 0.04% | $431k | opened | 2026 Q1 |
| Barclays PLC | 17.2k | 0.03% | $342k | trimmed -58.3% | 2025 Q1 |
| Corient Private Wealth LLC | 15.8k | 0.03% | $314k | opened | 2026 Q1 |
| MetLife Investment Management, LLC | 15.0k | 0.03% | $299k | added +34.4% | 2025 Q2 |
Largest 50 of 95 shown; the full ranked, searchable register is at boothcheck.com/holders/KMTS. 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.