Ranked by reported Q2 2026 13F market value
Share of total reported institutional value in MTLS held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | DISCIPLINED GROWTH INVESTORS INC /MN | 2.0M | $14.8M | +75.5% | 3.403% | 0.25% |
| 2 | Rock Point Advisors, LLC | 991K | $7.4M | -2.4% | 1.692% | 1.80% |
| 3 | Archon Capital Management LLC | 767K | $5.7M | +3.2% | 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.
Filings activity in MTLS during Q2 2026, grouped by how each filer changed its position.
Institutions that opened a new MTLS position in Q2 2026
Institutions that fully closed their MTLS position in Q2 2026
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q2 2026 | 57 | 6.6% | 14.17% | +1.18 pp | $57M | +64% |
| Q1 2026 | 61 | +1.7% | 12.99% | 0.43 pp | $35M | 13% |
| Q4 2025 | 60 | +5.3% | 13.42% | 6.03 pp | $40M | 38% |
| Q3 2025 | 57 | +0.0% | 19.45% | +5.34 pp | $63M | +50% |
| Q2 2025 | 57 | 14% | 14.11% | +0.00 pp | $42M | +17% |
| Q1 2025 | 66 | 13% | 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.
Quick answers to the most common questions about buying MTLS stock.
Based on Q2 2026 13F filings, institutional ownership of Materialise N.V. stands at 14.2%, held across 57 reporting institutions.
DISCIPLINED GROWTH INVESTORS INC /MN is the largest reported institutional holder of MTLS, with approximately 1,992,441 shares worth $0.01B as of Q2 2026.
Yes — 7 widely-followed marquee investors appear among the top 25 institutional holders of MTLS, including ARK Investment Management LLC, RENAISSANCE TECHNOLOGIES LLC, CITADEL ADVISORS LLC, SUSQUEHANNA INTERNATIONAL GROUP, LLP, TWO SIGMA INVESTMENTS, LP.
Our composite Smart Money Score for MTLS is 70 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
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.
Materialise N.V. (MTLS) Institutional Ownership