13F institutional ownership facts
Institutions tracked
45
Reported value
$54,036,900.00
Reported shares
373,570
Latest filing period
Q1 2026
Top institutional holders
- First Eagle Investment Management · $14,747,068 · 0.02%
- Larry Fink - BlackRock · $487,318,160 · 0.01%
- Ken Fisher - Fisher Asset Management · $63,936,125 · 0.02%
- Capital World Investors · $60,029,750 · 0.01%
- Charles Schwab · $42,316,490 · 0.01%
- New York State Teachers Retirement System · $3,003,000 · 0.01%
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
45
Top Institutions
Top Institutions
First Eagle Investment Management
101,950 shares
0.02%
% of Portfolio
Larry Fink - BlackRock
3,368,946 shares
0.01%
% of Portfolio
Ken Fisher - Fisher Asset Management
442,005 shares
0.02%
% of Portfolio
Capital World Investors
415,000 shares
0.01%
% of Portfolio
Charles Schwab
292,544 shares
0.01%
% of Portfolio
New York State Teachers Retirement System
20,763 shares
0.01%
% of Portfolio
Nuveen
143,207 shares
0.01%
% of Portfolio
State Street Corp
1,328,204 shares
0.01%
% of Portfolio
Northern Trust Corp
247,777 shares
NaN%
% of Portfolio
Geode Capital Management
503,968 shares
NaN%
% of Portfolio
BNP Paribas
42,144 shares
NaN%
% of Portfolio
Invesco
179,213 shares
NaN%
% of Portfolio
Ken Griffin - Citadel Advisors
38,073 shares
NaN%
% of Portfolio
Jane Street Group
23,881 shares
NaN%
% of Portfolio
Morgan Stanley
424,478 shares
NaN%
% of Portfolio
Cliff Asness - AQR Capital Management
44,904 shares
NaN%
% of Portfolio
David Solomon - Goldman Sachs
116,842 shares
NaN%
% of Portfolio
Legal & General
51,826 shares
NaN%
% of Portfolio
Israel Englander - Millennium Management
14,510 shares
NaN%
% of Portfolio
UBS Group
55,255 shares
NaN%
% of Portfolio
David E. Shaw - D.E. Shaw & Co.
8,210 shares
NaN%
% of Portfolio
AllianceBernstein (AB)
22,999 shares
NaN%
% of Portfolio
Two Sigma Investments
6,000 shares
NaN%
% of Portfolio
Voya Investment Mgmt
3,832 shares
NaN%
% of Portfolio
Janus Henderson Group
8,930 shares
NaN%
% of Portfolio
Ensign Peak Advisors
1,748 shares
NaN%
% of Portfolio
Neuberger Berman
4,259 shares
NaN%
% of Portfolio
T. Rowe Price
24,403 shares
NaN%
% of Portfolio
Canada Pension Plan Investment Board
4,000 shares
NaN%
% of Portfolio
PNC Financial Services
3,886 shares
NaN%
% of Portfolio
Franklin Resources
5,742 shares
NaN%
% of Portfolio
Mitsubishi Ufj Asset Management Co., Ltd.
59 shares
NaN%
% of Portfolio
SG Americas Securities
0 shares
0.00%
% of Portfolio
Mario Gabelli - GAMCO Investors
191,240 shares
0.27%
% of Portfolio
Chuck Royce - Royce & Associates
103,540 shares
0.15%
% of Portfolio
George Soros - Soros Fund Management
21,142 shares
0.03%
% of Portfolio
PSP Investments
74,230 shares
0.03%
% of Portfolio
Stephen Schwarzman - Blackstone
31,044 shares
0.02%
% of Portfolio
Ray Dalio - Bridgewater Associates
3,662 shares
NaN%
% of Portfolio
Joel Greenblatt - Gotham Asset Management
2,765 shares
NaN%
% of Portfolio
Cathie Wood - ARK Investment Management
571 shares
NaN%
% of Portfolio
Verition Fund Management LLC
0 shares
0.00%
% of Portfolio
Jamie Dimon - JPMorgan Chase
0 shares
0.00%
% of Portfolio
Segall Bryant & Hamill, LLC
0 shares
0.00%
% of Portfolio
Trigran Investments
333,985 shares
11.55%
% 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