Materialise NV (MTLS) shareholders
Close on Nov 12, 2026Market cap $389.25MP/E 45.4Yield –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Wilfried Vancraen Joint filing with Hilde Ingelaere (57.60%), Idem (57.05%) | 34,021,781 | 57.60% | 13D (active) amendment | Oct 30, 2025 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of MTLS | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Disciplined Growth Investors Inc /Mn | 1,992,441 | 3.37% | $14.80M | +857,054 | 0.25% |
| Rock Point Advisors, LLC | 990,871 | 1.68% | $7.36M | −24,610 | 1.80% |
| Archon Capital Management LLC | 766,622 | 1.30% | $5.70M | +23,900 | 2.31% |
| King Luther Capital Management Corp | 628,750 | 1.06% | $4.67M | – | 0.02% |
| Acadian Asset Management LLC | 603,875 | 1.02% | $4.47M | +51,157 | 0.01% |
| Arrowstreet Capital, Limited Partnership | 476,986 | 0.81% | $3.54M | +134,349 | 0.00% |
| ARK Investment Management LLC | 419,784 | 0.71% | $3.12M | −24,540 | 0.02% |
| Renaissance Technologies LLC | 296,200 | 0.50% | $2.20M | −8,500 | 0.00% |
| Citadel Advisors LLC | 246,117 | 0.42% | $1.83M | +48,495 | 0.00% |
| Edmond De Rothschild Holding S.A. | 200,007 | 0.34% | $1.49M | – | 0.02% |
| Axxion S.A. | 174,384 | 0.30% | $1.30M | New | 0.09% |
| Credit Agricole S A | 150,765 | 0.26% | $1.12M | −46,185 | 0.00% |
| Morgan Stanley | 149,415 | 0.25% | $1.11M | −56,937 | 0.00% |
| UBS Group AG | 123,225 | 0.21% | $915.56K | +61,692 | 0.00% |
| Two Sigma Investments, LP | 100,527 | 0.17% | $746.92K | −7,456 | 0.00% |
| Nano Cap New Millennium Growth Fund L P | 100,000 | 0.17% | $743.00K | – | 0.57% |
| Quinn Opportunity Partners LLC | 80,003 | 0.14% | $594.42K | – | 0.03% |
| Millennium Management LLC | 67,304 | 0.11% | $500.07K | +10,424 | 0.00% |
| LPL Financial LLC | 49,959 | 0.08% | $371.20K | −3,370 | 0.00% |
| Trexquant Investment LP | 40,752 | 0.07% | $302.79K | New | 0.00% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 58 | 8M | 13.7% | 7 / 15 | 21 / 9 | 2M | 1M |
| Q1 2026 | 61 | 7M | 12.5% | 9 / 15 | 21 / 8 | 1M | 1M |
| Q4 2025 | 61 | 8M | 13.1% | 11 / 20 | 16 / 8 | 1M | 1M |
| Q3 2025 | 60 | 8M | 13.6% | 13 / 12 | 22 / 8 | 2M | 2M |
| Q2 2025 | 56 | 8M | 13.5% | 7 / 19 | 15 / 16 | 1M | 1M |
| Q1 2025 | 65 | 8M | 13.5% | 7 / 20 | 26 / 18 | 2M | 2M |
| Q4 2024 | 76 | 8M | 14.2% | 21 / 20 | 19 / 6 | 2M | 1M |
| Q3 2024 | 62 | 7M | 12.3% | 13 / 23 | 13 / 9 | 1M | 4M |
| Q2 2024 | 59 | 10M | 17.0% | 3 / 13 | 29 / 11 | 0M | 1M |
| Q1 2024 | 68 | 11M | 18.3% | 9 / 11 | 33 / 10 | 1M | 1M |
| Q4 2023 | 69 | 12M | 19.5% | 11 / 21 | 23 / 9 | 2M | 4M |
| Q3 2023 | 67 | 13M | 21.7% | 6 / 19 | 27 / 14 | 1M | 2M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
11 funds held MTLS in Q2 2026, 86% of their shares through ETFs. Each fund counts once per quarter, from its quarter-end report.
| Fund | Shares | % of MTLS | Value | % of fund | As of |
|---|---|---|---|---|---|
| The 3D Printing ETF | 342,123 | 0.58% | $2.17M | 3.70% | Jul 31, 2026 |
| Pacer BlueStar Engineering the Future ETF | 43,572 | 0.07% | $276.68K | 1.86% | Jul 31, 2026 |
| ActivePassive International Equity ETF | 29,792 | 0.05% | $198.71K | 0.02% | May 31, 2026 |
| Fidelity Nasdaq Composite Index Fund | 22,836 | 0.04% | $152.32K | 0.00% | May 31, 2026 |
| State Street(R) SPDR(R) S&P(R) International Small Cap ETF | 21,328 | 0.04% | $158.47K | 0.02% | Jun 30, 2026 |
| TETON Westwood Mighty Mites Fund | 10,000 | 0.02% | $74.30K | 0.03% | Jun 30, 2026 |
| State Street(R) SPDR(R) Portfolio Developed World ex-US ETF | 9,787 | 0.02% | $72.72K | 0.00% | Jun 30, 2026 |
| Parametric International Equity Fund | 7,900 | 0.01% | $50.17K | 0.02% | Jul 31, 2026 |
| Voya Multi-Manager International Small Cap Fund | 4,934 | 0.01% | $31.33K | 0.01% | Jul 31, 2026 |
| Old Westbury Small & Mid Cap Strategies Fund | 4,595 | 0.01% | $29.18K | 0.00% | Jul 31, 2026 |
| SIT International Equity Fund | 3,749 | 0.01% | $27.86K | 0.00% | Jun 30, 2026 |
| Siit World Equity Ex-US Fund | 2,849 | 0.00% | $19.00K | 0.00% | May 31, 2026 |
| Blackstone Alternative Multi-Strategy Fund | 400 | 0.00% | $2.97K | 0.00% | Jun 30, 2026 |
Short interest
Shares sold short and not yet bought back, as of Oct 30, 2026 (FINRA, reported twice a month)
Shares sold short, last 12 months
Short sale volume counts trades marked short on any given day, including market-maker hedging, so it runs far higher than the share of Materialise's stock actually held short. Settlement fails (shares not delivered on time) peaked at 7,396 shares on Oct 7, 2026 over the last 90 days.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Idem, a Belgium civil partnership Director, 10% Stockholder, Affiliate | Nov 20, 2025 | 590,000 | $3.55M | Nov 20, 2025 | Open Market Purchase |
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