Who owns KMTS (KMTS)
Which tracked institutional funds hold KMTS, how they are positioned, and who is buying versus exiting — from SEC Form 13F-HR filings. See KMTS company fundamentals →
Ownership as of the 2026-Q1 13F filings. 13F is disclosed up to 45 days after quarter-end, so the most recent quarter fills in over the following weeks.
How the tape is positioned
15 tracked funds added or opened KMTS while 37 trimmed or exited it between 2025-Q4 and 2026-Q1 — the tape is split. When large holders disagree on a name, the funds moving first are sometimes ahead of the story.
A prompt to read the filings, not a verdict. 13F is a quarter-end snapshot disclosed up to 45 days late; a fund adds or exits for mandate, benchmark, and timing reasons that have nothing to do with a view on the stock. This is a starting question, not a signal to trade.
Conviction spread
KMTS’s largest tracked holder by dollar value, Bain Capital Investors LLC, sizes it at 15.3% of its own reported 13F book, while the median holder sizes it at 0.0% of theirs — a 15.3pp conviction gap — its largest holder concentrates the name more heavily than the typical one.
Book-share is each fund’s reported value in KMTS divided by its whole reported 13F book, so it is comparable across funds of different sizes and is unaffected by stock splits. A higher share means a fund has committed more of its book to the name — a starting question about conviction, not a verdict or a signal to trade.
Institutional & insider positioning
Between 2025-Q4 and 2026-Q1, across 103 tracked filers holding KMTS, 66 increased or opened the position and 49 reduced or closed it; over the same quarter, open-market insider Form 4s were net purchases.
This fuses two public signals for the same quarter — how tracked institutions changed their positions and whether insiders bought or sold in the open market. It describes what was filed; it is a starting question, not a verdict or a signal to trade.
New buyers & exits
Funds opening or closing a position in KMTS between the 2025-Q4 and 2026-Q1 13F filings, and the largest changes among funds holding it in both. New buyers and exits are counted on fund presence (split-invariant); adds and trims are measured on reported value.
New buyers 7
- VANGUARD CAPITAL MANAGEMENT LLC$24M
- VANGUARD PORTFOLIO MANAGEMENT LLC$4M
- VANGUARD FIDUCIARY TRUST CO$3M
- Schonfeld Strategic Advisors LLC$2M
- Trexquant Investment LP$2M
- TUDOR INVESTMENT CORP ET AL$636K
Full exits 9
- VANGUARD GROUP INC$30M
- PERCEPTIVE ADVISORS LLC$8M
- JENNISON ASSOCIATES LLC$6M
- LORD, ABBETT & CO. LLC$5M
- Alyeska Investment Group, L.P.$3M
- Walleye Capital LLC$1M
Largest adds
- PRICE T ROWE ASSOCIATES INC /MD/$3M
- STATE STREET CORP$2M
- BlackRock, Inc.$923K
- MORGAN STANLEY$635K
- US BANCORP \DE\$498K
- GEODE CAPITAL MANAGEMENT, LLC$325K
Largest trims
- Bain Capital Investors LLC$166M
- FMR LLC$46M
- Omega Fund Management, LLC$16M
- Yu Fan$15M
- ANDERA PARTNERS$14M
- BROWN ADVISORY INC$10M
Institutional holders
One row per tracked fund, largest reported value first. “% of value” is the fund’s share of this security’s tracked institutional value — not of shares outstanding. Rows marked stale are from an earlier filing than the security’s latest quarter — that fund is absent from the newest snapshot (position exited, or reported under a different name).
| Fund | Shares | Reported value | % of value | Quarter |
|---|---|---|---|---|
| Bain Capital Investors LLC | 25,172,338 | $502M | 38.9% | 2026-Q1 |
| PRICE T ROWE ASSOCIATES INC /MD/ added | 5,968,664 | $119M | 9.2% | 2026-Q1 |
| FMR LLC trimmed | 5,455,971 | $109M | 8.4% | 2026-Q1 |
| ANDERA PARTNERS added | 2,695,192 | $54M | 4.2% | 2026-Q1 |
| Yu Fan | 2,282,519 | $45M | 3.5% | 2026-Q1 |
| ALLIANCEBERNSTEIN L.P. trimmed | 1,320,374 | $35M | 2.7% | 2026-Q1 |
| BROWN ADVISORY INC added | 1,723,730 | $34M | 2.7% | 2026-Q1 |
| BlackRock, Inc. added | 1,689,247 | $34M | 2.6% | 2026-Q1 |
| EVENTIDE ASSET MANAGEMENT, LLC added | 1,445,864 | $29M | 2.2% | 2026-Q1 |
| FRANKLIN RESOURCES INC added | 1,243,205 | $25M | 1.9% | 2026-Q1 |
| VANGUARD CAPITAL MANAGEMENT LLC new | 1,212,693 | $24M | 1.9% | 2026-Q1 |
| Omega Fund Management, LLC trimmed | 1,022,149 | $20M | 1.6% | 2026-Q1 |
| STATE STREET CORP added | 671,112 | $13M | 1.0% | 2026-Q1 |
| Hood River Capital Management LLC added | 655,877 | $13M | 1.0% | 2026-Q1 |
| GEODE CAPITAL MANAGEMENT, LLC added | 573,925 | $11M | 0.9% | 2026-Q1 |
| FEDERATED HERMES, INC. | 525,000 | $10M | 0.8% | 2026-Q1 |
| NEXT CENTURY GROWTH INVESTORS LLC trimmed | 457,558 | $9M | 0.7% | 2026-Q1 |
| Driehaus Capital Management LLC trimmed | 447,315 | $9M | 0.7% | 2026-Q1 |
| UBS Group AG added | 349,687 | $7M | 0.5% | 2026-Q1 |
| GOLDMAN SACHS GROUP INC added | 288,354 | $6M | 0.4% | 2026-Q1 |
| SEI INVESTMENTS CO added | 237,116 | $5M | 0.4% | 2026-Q1 |
| VANGUARD PORTFOLIO MANAGEMENT LLC new | 218,827 | $4M | 0.3% | 2026-Q1 |
| MILLENNIUM MANAGEMENT LLC trimmed | 197,491 | $4M | 0.3% | 2026-Q1 |
| NORTHERN TRUST CORP added | 191,609 | $4M | 0.3% | 2026-Q1 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC added | 172,174 | $3M | 0.3% | 2026-Q1 |
| SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC trimmed | 147,273 | $3M | 0.2% | 2026-Q1 |
| VANGUARD FIDUCIARY TRUST CO new | 145,697 | $3M | 0.2% | 2026-Q1 |
| MORGAN STANLEY added | 145,561 | $3M | 0.2% | 2026-Q1 |
| Bellevue Group AG trimmed | 115,590 | $2M | 0.2% | 2026-Q1 |
| Schonfeld Strategic Advisors LLC added | 113,863 | $2M | 0.2% | 2026-Q1 |
| Trexquant Investment LP new | 111,291 | $2M | 0.2% | 2026-Q1 |
| TD Asset Management Inc trimmed | 109,378 | $2M | 0.2% | 2026-Q1 |
| SEVEN GRAND MANAGERS, LLC | 100,000 | $2M | 0.2% | 2026-Q1 |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE added | 92,515 | $2M | 0.1% | 2026-Q1 |
| Ghisallo Capital Management LLC trimmed | 75,000 | $1M | 0.1% | 2026-Q1 |
| Bank of New York Mellon Corp added | 70,113 | $1M | 0.1% | 2026-Q1 |
| BANK OF AMERICA CORP /DE/ trimmed | 51,479 | $1M | 0.1% | 2026-Q1 |
| Burkehill Global Management, LP | 50,000 | $996K | 0.1% | 2026-Q1 |
| Swiss National Bank | 39,600 | $789K | 0.1% | 2026-Q1 |
| TUDOR INVESTMENT CORP ET AL new | 31,900 | $636K | 0.0% | 2026-Q1 |
| Nuveen, LLC added | 31,877 | $635K | 0.0% | 2026-Q1 |
| Spartan Wealth Advisory Services LLC new | 30,268 | $603K | 0.0% | 2026-Q1 |
| DEUTSCHE BANK AG\ added | 29,259 | $583K | 0.0% | 2026-Q1 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM added | 27,835 | $555K | 0.0% | 2026-Q1 |
| RHUMBLINE ADVISERS added | 26,338 | $525K | 0.0% | 2026-Q1 |
| US BANCORP \DE\ added | 25,139 | $501K | 0.0% | 2026-Q1 |
| NEW YORK STATE COMMON RETIREMENT FUND | 25,076 | $500K | 0.0% | 2026-Q1 |
| JPMORGAN CHASE & CO added | 25,786 | $473K | 0.0% | 2026-Q1 |
| Quantinno Capital Management LP new | 21,633 | $431K | 0.0% | 2026-Q1 |
| Mirae Asset Global Investments Co., Ltd. added | 20,690 | $412K | 0.0% | 2026-Q1 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. added | 19,217 | $383K | 0.0% | 2026-Q1 |
| BARCLAYS PLC trimmed | 17,183 | $342K | 0.0% | 2026-Q1 |
| Corient Private Wealth LLC new | 15,775 | $314K | 0.0% | 2026-Q1 |
| VANGUARD ASSET MANAGEMENT, Ltd new | 15,363 | $306K | 0.0% | 2026-Q1 |
| MetLife Investment Management, LLC added | 15,017 | $299K | 0.0% | 2026-Q1 |
| CITADEL ADVISORS LLC trimmed | 13,943 | $278K | 0.0% | 2026-Q1 |
| ROYAL BANK OF CANADA trimmed | 13,885 | $277K | 0.0% | 2026-Q1 |
| XTX Topco Ltd new | 13,714 | $273K | 0.0% | 2026-Q1 |
| HARBOR CAPITAL ADVISORS, INC. new | 13,626 | $272K | 0.0% | 2026-Q1 |
| Mitsubishi UFJ Asset Management Co., Ltd. added | 13,559 | $270K | 0.0% | 2026-Q1 |
| Legal & General Group Plc trimmed | 12,826 | $256K | 0.0% | 2026-Q1 |
| Invesco Ltd. added | 12,221 | $244K | 0.0% | 2026-Q1 |
| HighTower Advisors, LLC trimmed | 12,159 | $242K | 0.0% | 2026-Q1 |
| Universal- Beteiligungs- und Servicegesellschaft mbH new | 11,473 | $229K | 0.0% | 2026-Q1 |
| JANUS HENDERSON GROUP PLC | 11,300 | $225K | 0.0% | 2026-Q1 |
| Hudson Bay Capital Management LP new | 11,217 | $224K | 0.0% | 2026-Q1 |
| VANGUARD GROUP INC added | 1,149,486 | $30M | 2.4% | 2025-Q4 stale |
| T. Rowe Price Investment Management, Inc. trimmed | 1,299,391 | $22M | 1.7% | 2025-Q2 stale |
| Holocene Advisors, LP trimmed | 782,624 | $19M | 1.4% | 2025-Q3 stale |
| PERCEPTIVE ADVISORS LLC added | 285,000 | $8M | 0.6% | 2025-Q4 stale |
| ORBIMED ADVISORS LLC new | 250,000 | $6M | 0.5% | 2025-Q1 stale |
| JENNISON ASSOCIATES LLC added | 219,355 | $6M | 0.5% | 2025-Q4 stale |
| LORD, ABBETT & CO. LLC trimmed | 192,622 | $5M | 0.4% | 2025-Q4 stale |
| Rock Springs Capital Management LP new | 145,000 | $4M | 0.3% | 2025-Q1 stale |
| RTW INVESTMENTS, LP | 200,000 | $3M | 0.3% | 2025-Q2 stale |
| Alyeska Investment Group, L.P. added | 100,000 | $3M | 0.2% | 2025-Q4 stale |
| ADAGE CAPITAL PARTNERS GP, L.L.C. new | 100,000 | $2M | 0.2% | 2025-Q1 stale |
| Woodline Partners LP | 100,718 | $2M | 0.1% | 2025-Q2 stale |
| CAAS CAPITAL MANAGEMENT LP new | 59,000 | $1M | 0.1% | 2025-Q1 stale |
| Walleye Capital LLC added | 53,231 | $1M | 0.1% | 2025-Q4 stale |
| LOS ANGELES CAPITAL MANAGEMENT LLC new | 42,489 | $1M | 0.1% | 2025-Q4 stale |
| HRT FINANCIAL LP new | 44,717 | $1M | 0.1% | 2025-Q1 stale |
| PURA VIDA INVESTMENTS, LLC new | 40,000 | $997K | 0.1% | 2025-Q1 stale |
| MARSHALL WACE, LLP new | 38,375 | $956K | 0.1% | 2025-Q1 stale |
| Point72 Asset Management, L.P. new | 50,900 | $844K | 0.1% | 2025-Q2 stale |
| Sigma Planning Corp | 25,250 | $670K | 0.1% | 2025-Q4 stale |
| Lykos Global Management, LP new | 25,000 | $663K | 0.1% | 2025-Q4 stale |
| SECTORAL ASSET MANAGEMENT INC new | 35,000 | $580K | 0.0% | 2025-Q2 stale |
| Squarepoint Ops LLC new | 23,098 | $576K | 0.0% | 2025-Q1 stale |
| Longaeva Partners L.P. trimmed | 16,565 | $439K | 0.0% | 2025-Q4 stale |
| RENAISSANCE TECHNOLOGIES LLC new | 16,400 | $435K | 0.0% | 2025-Q4 stale |
| ARMISTICE CAPITAL, LLC added | 22,834 | $379K | 0.0% | 2025-Q2 stale |
| Zimmer Partners, LP new | 15,000 | $374K | 0.0% | 2025-Q1 stale |
| Verition Fund Management LLC new | 14,901 | $371K | 0.0% | 2025-Q1 stale |
| Freestone Grove Partners LP new | 13,083 | $326K | 0.0% | 2025-Q1 stale |
| Jain Global LLC new | 12,400 | $309K | 0.0% | 2025-Q1 stale |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP new | 16,856 | $279K | 0.0% | 2025-Q2 stale |
| JANE STREET GROUP, LLC trimmed | 9,697 | $257K | 0.0% | 2025-Q4 stale |
| HARBERT FUND ADVISORS, INC. new | 10,000 | $249K | 0.0% | 2025-Q1 stale |
| SOROS FUND MANAGEMENT LLC | 15,000 | $249K | 0.0% | 2025-Q2 stale |
Ownership over time
Tracked institutional holder count and total shares held by filing quarter (independent scales). The curated-era tail and any mid-ingest latest quarter are handled honestly — a partial quarter is not drawn as a collapse.
Reading this table
Funds hold the same stock for different reasons — an index fund “holds” almost everything, an active manager sizes a name to a mandate and a benchmark, and each fund entered at its own price and time. Because 13F is filed up to 45 days after quarter-end, every row is a backward-looking snapshot; a manager may have traded since. Share-class siblings (a company’s A and C shares) are rolled up to one line so a dual-class name is never double-counted. Compare like-for-like. A large holder is not an endorsement, and a fund exiting is not a warning — this is a starting question, not a verdict.
About 13F filings
A Form 13F is a quarterly disclosure that institutional investment managers with over $100 million in US-listed equities must file with the SEC. In plain English: it is a snapshot of the long stock positions a fund held at the end of a quarter. It covers long US-listed equities only — not short positions, options, cash, or private holdings — and the funds shown are the large sample we track, not the complete 13F universe.