| 1.309% |
| 2.31% |
| 4 | KING LUTHER CAPITAL MANAGEMENT CORP | 629K | $4.7M | 0.0% | 1.074% | 0.02% |
| 5 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 477K | $3.5M | +39.2% | 0.815% | 0.00% |
| 6 | ARK Investment Management LLC | 420K | $3.1M | -5.5% | 0.717% | 0.02% |
| 7 | RENAISSANCE TECHNOLOGIES LLC | 296K | $2.2M | -2.8% | 0.506% | 0.00% |
| 8 | CITADEL ADVISORS LLC | 246K | $1.8M | +17.1% | 0.420% | 0.00% |
| 9 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 208K | $1.5M | -41.0% | 0.354% | 0.00% |
| 10 | EDMOND DE ROTHSCHILD HOLDING S.A. | 200K | $1.5M | 0.0% | 0.342% | 0.02% |
| 11 | Axxion S.A. | 174K | $1.3M | — | 0.298% | 0.09% |
| 12 | CREDIT AGRICOLE S A | 151K | $1.1M | -23.4% | 0.258% | 0.00% |
| 13 | MORGAN STANLEY | 149K | $1.1M | -27.6% | 0.255% | 0.00% |
| 14 | UBS Group AG | 123K | $916K | +100.3% | 0.210% | 0.00% |
| 15 | TWO SIGMA INVESTMENTS, LP | 101K | $747K | -6.9% | 0.172% | 0.00% |
| 16 | NANO CAP NEW MILLENNIUM GROWTH FUND L P | 100K | $743K | 0.0% | 0.171% | 0.57% |
| 17 | Quinn Opportunity Partners LLC | 80K | $594K | 0.0% | 0.137% | 0.03% |
| 18 | JANE STREET GROUP, LLC | 76K | $565K | +92.1% | 0.130% | 0.00% |
| 19 | MILLENNIUM MANAGEMENT LLC | 67K | $500K | +18.3% | 0.115% | 0.00% |
| 20 | LPL Financial LLC | 50K | $371K | -6.3% | 0.085% | 0.00% |
| 21 | Trexquant Investment LP | 41K | $303K | — | 0.070% | 0.00% |
| 22 | XTX Topco Ltd | 40K | $297K | -40.6% | 0.068% | 0.00% |
| 23 | Engineers Gate Manager LP | 35K | $258K | +175.0% | 0.059% | 0.00% |
| 24 | STATE STREET CORP | 31K | $233K | +0.7% | 0.053% | 0.00% |
| 25 | Argos Wealth Advisors, LLC | 29K | $217K | +91.2% | 0.050% | 0.06% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in MTLS — a direct measure of their conviction.
| 14.11% |
| 0.13 pp |
| $36M |
| 27% |
| Q4 2024 | 76 | +25% | 14.24% | +2.08 pp | $50M | +50% |
| Q3 2024 | 61 | — | 12.16% | — | $33M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
5 institutions opened new positions in MTLS during Q2 2026, while 8 fully exited. 43 added to existing positions and 8 trimmed.
MTLS institutional ownership rose by 1.18 percentage points quarter-over-quarter, with a net change of -4 holders.
The top 10 institutions account for 81.5% of all reported 13F value in MTLS, and the top 25 account for 97.9%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.