MAYFIELD HTS., OH
MATERION CORPMTRN— Latest position per institution from SEC 13F filings
15
Institutional holders
20.08M
Total shares held
2.61B
Estimated value
1M
Avg. position size
BLACKROCK, INC.
CIK 2012383
Shares
3.37M
Value
487.32M
Filed
Mar 31, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
3.36M
Value
363.04M
Filed
Jun 30, 2024
VANGUARD GROUP INC
CIK 102909
Shares
2.34M
Value
291.42M
Filed
Dec 31, 2025
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
1.35M
Value
195.27M
Filed
Mar 31, 2026
STATE STREET CORP
CIK 93751
Shares
1.33M
Value
192.12M
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
927.86K
Value
134.21M
Filed
Mar 31, 2026
DIMENSIONAL FUND ADVISORS LP
CIK 354204
Shares
885.17K
Value
128.03M
Filed
Mar 31, 2026
AMERICAN CENTURY COMPANIES INC
CIK 748054
Shares
882.68K
Value
127.68M
Filed
Mar 31, 2026
CAPITAL RESEARCH GLOBAL INVESTORS
CIK 1422848
Shares
789.87K
Value
114.26M
Filed
Mar 31, 2026
VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P.
CIK 1021642
Shares
673.01K
Value
54.92K
Filed
Mar 31, 2025
BARROW HANLEY MEWHINNEY & STRAUSS LLC
CIK 313028
Shares
529.84K
Value
76.64M
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
503.97K
Value
72.91M
Filed
Mar 31, 2026
ACK ASSET MANAGEMENT LLC
CIK 1510940
Shares
474.80K
Value
68.68M
Filed
Mar 31, 2026
FISHER ASSET MANAGEMENT, LLC
CIK 850529
Shares
442K
Value
63.94M
Filed
Mar 31, 2026
MORGAN STANLEY
CIK 895421
Shares
424.48K
Value
61.40M
Filed
Mar 31, 2026
CAPITAL WORLD INVESTORS
CIK 1422849
Shares
415K
Value
60.03M
Filed
Mar 31, 2026
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
CIK 1644956
Shares
390.66K
Value
34.19M
Filed
Dec 31, 2022
SEGALL BRYANT & HAMILL, LLC
CIK 1006378
Shares
360.50K
Value
44.82M
Filed
Dec 31, 2025
TRIGRAN INVESTMENTS, INC.
CIK 1336800
Shares
333.99K
Value
48.31M
Filed
Mar 31, 2026
HARVEY PARTNERS, LLC
CIK 1406484
Shares
293.12K
Value
42.40M
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK, INC. | 2012383 | 3.37M | 487.32M | Mar 31, 2026 |
| 2 | BLACKROCK FINANCE, INC. | 1364742 | 3.36M | 363.04M | Jun 30, 2024 |
| 3 | VANGUARD GROUP INC | 102909 | 2.34M | 291.42M | Dec 31, 2025 |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 1.35M | 195.27M | Mar 31, 2026 |
| 5 | STATE STREET CORP | 93751 | 1.33M | 192.12M | Mar 31, 2026 |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 927.86K | 134.21M | Mar 31, 2026 |
| 7 | DIMENSIONAL FUND ADVISORS LP | 354204 | 885.17K | 128.03M | Mar 31, 2026 |
| 8 | AMERICAN CENTURY COMPANIES INC | 748054 | 882.68K | 127.68M | Mar 31, 2026 |
| 9 | CAPITAL RESEARCH GLOBAL INVESTORS | 1422848 | 789.87K | 114.26M | Mar 31, 2026 |
| 10 | VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. | 1021642 | 673.01K | 54.92K | Mar 31, 2025 |
| 11 | BARROW HANLEY MEWHINNEY & STRAUSS LLC | 313028 | 529.84K | 76.64M | Mar 31, 2026 |
| 12 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 503.97K | 72.91M | Mar 31, 2026 |
| 13 | ACK ASSET MANAGEMENT LLC | 1510940 | 474.80K | 68.68M | Mar 31, 2026 |
| 14 | FISHER ASSET MANAGEMENT, LLC | 850529 | 442K | 63.94M | Mar 31, 2026 |
| 15 | MORGAN STANLEY | 895421 | 424.48K | 61.40M | Mar 31, 2026 |
| 16 | CAPITAL WORLD INVESTORS | 1422849 | 415K | 60.03M | Mar 31, 2026 |
| 17 | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 1644956 | 390.66K | 34.19M | Dec 31, 2022 |
| 18 | SEGALL BRYANT & HAMILL, LLC | 1006378 | 360.50K | 44.82M | Dec 31, 2025 |
| 19 | TRIGRAN INVESTMENTS, INC. | 1336800 | 333.99K | 48.31M | Mar 31, 2026 |
| 20 | HARVEY PARTNERS, LLC | 1406484 | 293.12K | 42.40M | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.