MTLS · Insider trading · 13F holders · Congress trades
Materialise (MTLS)
Who is buying and selling MTLS: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 2
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 0
MTLS at a glance
- No open-market insider purchases or sales of MTLS were filed in the last 90 days.
- 2 13F filers hold MTLS among their 50 largest positions, worth $13.1M combined. The biggest bets by portfolio weight are Archon Capital Management LLC (2.3%) and Rock Point Advisors, LLC (1.8%).
- No member of Congress has disclosed a trade in MTLS.
MTLS insider trading
No open-market insider purchases or sales of MTLS were filed in the last 90 days.
Who owns MTLS? Hedge funds and superinvestors
2 13F filers hold MTLS among their 50 largest positions, worth $13.1M combined. The biggest bets by portfolio weight are Archon Capital Management LLC (2.3%) and Rock Point Advisors, LLC (1.8%).
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Rock Point Advisors, LLCWealth manager | 1.8% | $7.4M | 990,871 | -2.4% shares | Q2 2026 |
| Archon Capital Management LLCHedge fund | 2.3% | $5.7M | 766,622 | +3.2% shares | Q2 2026 |
Each manager counts with its latest 13F (Q2 2026: 2). Screen MTLS in the grand portfolio →
MTLS stock trades by members of Congress
No member of Congress has disclosed a trade in MTLS.
MTLS questions and answers
Are insiders buying MTLS stock?
No open-market insider purchases or sales of MTLS were filed in the last 90 days.
Which hedge funds own MTLS?
2 13F filers hold MTLS among their 50 largest positions, worth $13.1M combined. The biggest bets by portfolio weight are Archon Capital Management LLC (2.3%) and Rock Point Advisors, LLC (1.8%).
Has Congress traded MTLS?
No member of Congress has disclosed a trade in MTLS.
Who is the largest holder of MTLS?
Among 13F filers, Rock Point Advisors, LLC reports the largest MTLS position, $7.4M (990,871 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Archon Capital Management LLC's: 2.3% of its portfolio.
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