MTLS — Institutional owners (13F)

66 filers · $57.8M total · As of June 30, 2026

Institutions that report holding this stock in their quarterly SEC Form 13F. Long positions only; a single filer may appear twice for separate option legs. Large offsetting put/call legs typically reflect market-making or hedged inventory, not directional conviction.

Institution Value Shares % of tracked 13F Type
DISCIPLINED GROWTH INVESTORS INC /MN $14,803,837 1,992,441 25.60% Shares
Rock Point Advisors, LLC $7,362,172 990,871 12.73% Shares
Archon Capital Management LLC $5,696,001 766,622 9.85% Shares
KING LUTHER CAPITAL MANAGEMENT CORP $4,671,613 628,750 8.08% Shares
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP $3,544,006 476,986 6.13% Shares
ARK Investment Management LLC $3,118,995 419,784 5.39% Shares
RENAISSANCE TECHNOLOGIES LLC $2,200,766 296,200 3.81% Shares
CITADEL ADVISORS LLC $1,828,649 246,117 3.16% Shares
EDMOND DE ROTHSCHILD HOLDING S.A. $1,486,052 200,007 2.57% Shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP $1,171,711 157,700 2.03% Put option
AMH Equity Ltd $1,156,672 207,661 2.00% Shares
CREDIT AGRICOLE S A $1,120,184 150,765 1.94% Shares
MORGAN STANLEY $1,110,153 149,415 1.92% Shares
UBS Group AG $915,561 123,225 1.58% Shares
TWO SIGMA INVESTMENTS, LP $746,916 100,527 1.29% Shares
NANO CAP NEW MILLENNIUM GROWTH FUND L P $743,000 100,000 1.28% Shares
AXA Investment Managers S.A. $636,250 114,228 1.10% Shares
Quinn Opportunity Partners LLC $594,422 80,003 1.03% Shares
MILLENNIUM MANAGEMENT LLC $500,069 67,304 0.86% Shares
LPL Financial LLC $371,195 49,959 0.64% Shares
Trexquant Investment LP $302,787 40,752 0.52% Shares
XTX Topco Ltd $297,475 40,037 0.51% Shares
MERITAGE PORTFOLIO MANAGEMENT $295,637 53,268 0.51% Shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP $278,313 37,458 0.48% Shares
JANE STREET GROUP, LLC $268,810 36,179 0.46% Shares
Engineers Gate Manager LP $257,992 34,723 0.45% Shares
STATE STREET CORP $232,670 31,315 0.40% Shares
TWO SIGMA ADVISERS, LP $229,770 41,400 0.40% Shares
JANE STREET GROUP, LLC $219,928 29,600 0.38% Call option
Argos Wealth Advisors, LLC $217,090 29,218 0.38% Shares
JPMORGAN CHASE & CO $211,943 29,601 0.37% Shares
NewEdge Advisors, LLC $195,409 26,300 0.34% Shares
GEODE CAPITAL MANAGEMENT, LLC $137,655 18,527 0.24% Shares
AXQ CAPITAL, LP $118,390 15,934 0.20% Shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP $92,132 12,400 0.16% Call option
Granite Investment Partners, LLC $87,050 11,716 0.15% Shares
NEW YORK STATE COMMON RETIREMENT FUND $83,461 11,233 0.14% Shares
QRG CAPITAL MANAGEMENT, INC. $80,801 10,875 0.14% Shares
JANE STREET GROUP, LLC $75,786 10,200 0.13% Put option
Teton Advisors, LLC $74,300 10,000 0.13% Shares
GAMMA Investing LLC $60,748 8,176 0.11% Shares
Teton Advisors, Inc. $56,500 10,000 0.10% Shares
RHUMBLINE ADVISERS $35,319 4,754 0.06% Shares
Federation des caisses Desjardins du Quebec $26,048 3,508 0.05% Shares
State of Tennessee, Department of Treasury $25,849 3,479 0.04% Shares
OSAIC HOLDINGS, INC. $21,918 2,950 0.04% Shares
BlackRock, Inc. $15,833 2,131 0.03% Shares
ROYAL BANK OF CANADA $13,000 1,715 0.02% Shares
CoreCap Advisors, LLC $9,288 1,250 0.02% Shares
SIMPLEX TRADING, LLC $5,260 708 0.01% Shares
ACADIAN ASSET MANAGEMENT LLC $4,473 603,875 0.01% Shares
Rockefeller Capital Management L.P. $3,529 475 0.01% Shares
GROUP ONE TRADING LLC $2,853 384 0.00% Shares
WELLS FARGO & COMPANY/MN $1,389 187 0.00% Shares
Arax Advisory Partners $1,070 144 0.00% Shares
NATIONAL BANK OF CANADA /FI/ $962 130 0.00% Shares
EverSource Wealth Advisors, LLC $698 94 0.00% Shares
SBI Securities Co., Ltd. $594 80 0.00% Shares
CWM, LLC $494 100 0.00% Shares
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO $446 60 0.00% Shares
C M BIDWELL & ASSOCIATES LTD $394 53 0.00% Shares
Ameritas Advisory Services, LLC $253 34 0.00% Shares
KBC Group NV $214 28,771 0.00% Shares
Pacer Advisors, Inc. $206 27,732 0.00% Shares
Allworth Financial LP $194 26 0.00% Shares
Caitong International Asset Management Co., Ltd $15 2 0.00% Shares