SEC ownership of MATERIALISE NV

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001091223.

Comparable stake leader

Wilfried Vancraen

Disclosed value leader

Wilfried Vancraen

Comparable rows

50/50

Latest evidence

30 Jun 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
50 of 50
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
Wilfried Vancraen
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
30 Jun 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001091223
Issuer location
Levuen

Ownership snapshot

Top shareholders of MATERIALISE NV (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
Wilfried Vancraen
Disclosed value leader
Wilfried Vancraen
Comparable rows
50/50
Latest evidence
30 Jun 2026
13D/G 13F Lead comparable stake: 58% 13D/G row: Wilfried Vancraen Showing 1-8 of 50 holder rows.

Quick read

Wilfried Vancraen leads the comparable SEC ownership view at 58%.

50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Wilfried Vancraen's linked filing trail.
Comparable ownership Top 5
Wilfried Vancraen 58%
DISCIPLINED GROWTH INVESTORS INC /MN 3.4%
Rock Point Advisors, LLC 1.7%
Archon Capital Management LLC 1.3%
KING LUTHER CAPITAL MANAGEMENT CORP 1.1%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 50 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Wilfried Vancraen
13D/G
58%
$189,504,722
34,021,781 shares
+$507,046 30 Oct 2025
DISCIPLINED GROWTH INVESTORS INC /MN
13F
Company
13F
3.4%
$14,803,837
1,992,441 shares
30 Jun 2026
Rock Point Advisors, LLC
13F
Company
13F
1.7%
$7,362,172
990,871 shares
30 Jun 2026
Archon Capital Management LLC
13F
Company
13F
1.3%
$5,696,001
766,622 shares
30 Jun 2026
KING LUTHER CAPITAL MANAGEMENT CORP
13F
Company
13F
1.1%
$4,671,613
628,750 shares
30 Jun 2026
ACADIAN ASSET MANAGEMENT LLC
13F
Company
13F
1%
$4,473,000
603,875 shares
30 Jun 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
13F
Company
13F
0.81%
$3,544,006
476,986 shares
30 Jun 2026
ARK Investment Management LLC
13F
Company
13F
0.71%
$3,118,995
419,784 shares
30 Jun 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 21 Aug 2025.

Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 0
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 0 $0 $0 $0
3-6 0 0 $0 $0 $0
6-9 0 0 $0 $0 $0
9-12 0 0 $0 $0 $0

Recent insider transactions for MATERIALISE NV

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
No insider transactions were found in the last 12 months for this issuer.
* marks a reported price that did not pass the local price check.
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