13F institutional ownership facts
Institutions tracked
44
Reported value
$69,348,968.00
Reported shares
233,192
Latest filing period
Q2 2026
Top institutional holders
- PSP Investments · $21,262,493 · 0.05%
- First Eagle Investment Management · $35,478,627 · 0.06%
- Larry Fink - BlackRock · $1,032,984,711 · 0.02%
- Nuveen · $67,974,142 · 0.02%
- Ken Griffin - Citadel Advisors · $19,256,895 · 0%
- Jane Street Group · $16,111,698 · 0%
Data source and limitations
This page uses public SEC Form 13F disclosures and related institutional filing data. 13F reports are periodic disclosures and may not represent current real-time holdings.
13F Hub provides research and education data only. It does not provide personalized investment advice.
$MTRN
Institutional Holdings
44
Top Institutions
Top Institutions
PSP Investments
71,497 shares
0.05%
% of Portfolio
First Eagle Investment Management
119,300 shares
0.06%
% of Portfolio
Larry Fink - BlackRock
3,473,501 shares
0.02%
% of Portfolio
Nuveen
228,570 shares
0.02%
% of Portfolio
Ken Griffin - Citadel Advisors
64,753 shares
0.00%
% of Portfolio
Jane Street Group
54,177 shares
0.00%
% of Portfolio
BNP Paribas
85,754 shares
0.01%
% of Portfolio
Charles Schwab
270,972 shares
0.01%
% of Portfolio
David Solomon - Goldman Sachs
235,842 shares
0.01%
% of Portfolio
Geode Capital Management
591,006 shares
0.01%
% of Portfolio
Morgan Stanley
411,140 shares
0.01%
% of Portfolio
Northern Trust Corp
264,657 shares
0.01%
% of Portfolio
State Street Corp
1,456,230 shares
0.01%
% of Portfolio
Ken Fisher - Fisher Asset Management
495,230 shares
0.04%
% of Portfolio
Cliff Asness - AQR Capital Management
69,840 shares
0.01%
% of Portfolio
New York State Teachers Retirement System - New York State Teachers Retirement System
18,033 shares
0.01%
% of Portfolio
T. Rowe Price
329,282 shares
0.01%
% of Portfolio
Wellington Management
158,335 shares
0.01%
% of Portfolio
Invesco
200,119 shares
NaN%
% of Portfolio
Legal & General
50,958 shares
NaN%
% of Portfolio
Israel Englander - Millennium Management
12,224 shares
NaN%
% of Portfolio
Voya Investment Mgmt
8,036 shares
NaN%
% of Portfolio
UBS Group
45,864 shares
NaN%
% of Portfolio
Joel Greenblatt - Gotham Asset Management
2,778 shares
NaN%
% of Portfolio
Jamie Dimon - JPMorgan Chase
108,166 shares
NaN%
% of Portfolio
David E. Shaw - D.E. Shaw & Co.
8,210 shares
NaN%
% of Portfolio
Ensign Peak Advisors
1,648 shares
NaN%
% of Portfolio
Neuberger Berman
3,652 shares
NaN%
% of Portfolio
PNC Financial Services
4,093 shares
NaN%
% of Portfolio
Franklin Resources
5,190 shares
NaN%
% of Portfolio
SG Americas Securities
1,758 shares
NaN%
% of Portfolio
Canada Pension Plan Investment Board
700 shares
NaN%
% of Portfolio
Amundi
854 shares
NaN%
% of Portfolio
Mitsubishi Ufj Asset Management Co., Ltd.
59 shares
NaN%
% of Portfolio
Two Sigma Investments
0 shares
0.00%
% of Portfolio
Capital World Investors
0 shares
0.00%
% of Portfolio
Segall Bryant & Hamill, LLC
313,988 shares
1.11%
% of Portfolio
Mario Gabelli - GAMCO Investors
180,940 shares
0.48%
% of Portfolio
Chuck Royce - Royce & Associates
79,530 shares
0.19%
% of Portfolio
George Soros - Soros Fund Management
1,437 shares
0.01%
% of Portfolio
Ray Dalio - Bridgewater Associates
3,213 shares
NaN%
% of Portfolio
Cathie Wood - ARK Investment Management
455 shares
NaN%
% of Portfolio
Stephen Schwarzman - Blackstone
783 shares
NaN%
% of Portfolio
Douglas Granat - Trigran Investments
219,877 shares
11.99%
% of Portfolio
Institutional InsightPRO
Scale Distribution
MEGA
36%
LARGE
22%
MEDIUM
28%
SMALL
14%
Geographic Distribution
Institutional Activity
Buyers
51
Sellers
17
Holders
93
New
17
Exited
8
Insider TradingPRO
Trading Statistics
Insider Buyers
14
Insider Sellers
17
Purchase Value
$20.3M
Role Distribution
RatingPRO
76
B+
Overall Score
Moderate institutional interest with stable holdings
Rating Dimensions
Recent Actions
New
6
Increased
17
Decreased
11
Exited
2
Total
45