MaterionMTRN
13F holders, Q3 2024 (September 30)At the end of Q3 2024, 253 institutions reported holding Materion Corp. (MTRN) in their 13F filings, up 7 from Q2 2024. 29 opened new positions and 22 sold out. The largest holders were BlackRock, Inc. ($378.7M), Vanguard Group Inc. ($279.3M) and Capital Research Global Investors ($176.8M). 8 famous investors held it, including Mario Gabelli (0.2% of GAMCO Investors's portfolio), Ken Fisher (0.0% of Fisher Asset Management's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Materion Corp.
- CUSIP
- 576690101
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2024 → Q3 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 29 | $6.9M |
| Exits | 22 | $14.8M |
All 13F filers, Q2 2024 → Q3 2024: 632,586 shares bought and 743,992 shares sold, net −111,406 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 253 holders
| BlackRock, Inc. | 0.01% | — | 3,385,036 | $378.7M |
| Vanguard Group Inc. | 0.01% | Reduce -1.7% | 2,497,253 | $279.3M |
| Capital Research Global Investors | 0.04% | Add +6.8% | 1,580,847 | $176.8M |
| Dimensional Fund Advisors LP | 0.03% | Reduce -3.2% | 1,174,499 | $131.4M |
| State Street Corp. | 0.00% | Reduce -0.7% | 966,703 | $108.1M |
| Trigran Investments, Inc. | 8.75% | Reduce -6.1% | 714,622 | $79.9M |
| Vaughan Nelson Investment Management, L.P. | 0.60% | Add +12.0% | 603,445 | $67.5M |
| ACK Asset Management LLC | 6.99% | No change | 505,500 | $56.5M |
| Silvercrest Asset Management Group LLC | 0.37% | Reduce -1.3% | 492,103 | $55.0M |
| Geode Capital Management, LLC | 0.00% | Add +0.6% | 466,972 | $52.2M |
| Barrow Hanley Mewhinney & Strauss LLC | 0.16% | Reduce -0.1% | 443,344 | $49.6M |
| Copeland Capital Management, LLC | 0.79% | Add +0.2% | 403,953 | $45.2M |
| Royal Bank of Canada | 0.01% | Reduce -0.9% | 321,641 | $36.0M |
| Northern Trust Corp. | 0.01% | Add +0.2% | 319,531 | $35.7M |
| Bank of New York Mellon Corp | 0.01% | Reduce -9.8% | 315,814 | $35.3M |
| Aberdeen Group plc | 0.05% | Add +19.8% | 258,728 | $28.9M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +2.4% | 252,985 | $28.3M |
| Segall Bryant & Hamill, LLC | 0.34% | Add +5.3% | 221,086 | $24.7M |
| Morgan Stanley | 0.00% | Add +7.4% | 220,666 | $24.7M |
| GAMCO Investors | 0.22% | Reduce -5.4% | 194,250 | $21.7M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.05% | Add +2.6% | 193,423 | $21.6M |
| Schroder Investment Management Group | 0.02% | Add +5.8% | 160,750 | $18.1M |
| Fisher Asset Management | 0.01% | Add +1.1% | 156,578 | $17.5M |
| Granahan Investment Management, LLC | 0.60% | Reduce -29.6% | 136,695 | $15.3M |
| Ceredex Value Advisors LLC | 0.28% | Add +8.9% | 130,350 | $14.6M |
| Natixis Advisors, LLC | 0.03% | Add +18.5% | 120,813 | $13.5M |
| Nuveen Asset Management, LLC | 0.00% | Reduce -1.9% | 118,586 | $13.3M |
| Principal Financial Group Inc. | 0.01% | Reduce -8.3% | 98,246 | $11.0M |
| Heartland Advisors Inc. | 0.53% | Add +89.5% | 91,071 | $10.2M |
| Goldman Sachs Group Inc. | 0.00% | Add +58.1% | 91,006 | $10.2M |
| Ameriprise Financial Inc. | 0.00% | Reduce -13.7% | 90,090 | $10.1M |
| F/m Investments LLC | 0.29% | Reduce -23.0% | 82,942 | $9.3M |
| Mountaineer Partners Management, LLC | 5.70% | Reduce -14.5% | 81,776 | $9.1M |
| Nordea Investment Management AB | 0.01% | Reduce -4.9% | 77,251 | $8.6M |
| Phocas Financial Corp. | 0.96% | Reduce -5.9% | 76,387 | $8.5M |
| Royce & Associates LP | 0.08% | No change | 75,000 | $8.4M |
| Envestnet Asset Management Inc. | 0.00% | Reduce -5.9% | 73,670 | $8.2M |
| ProShare Advisors LLC | 0.02% | Add +44.1% | 71,428 | $8.0M |
| Norges Bank | 0.00% | Reduce -19.8% | 70,720 | $7.9M |
| Invesco Ltd. | 0.00% | Reduce -20.3% | 70,439 | $7.9M |
| Kennedy Capital Management LLC | 0.17% | Reduce -2.6% | 70,135 | $7.8M |
| Rhumbline Advisers | 0.01% | Reduce -3.8% | 62,838 | $7.0M |
| Bank of America Corp. | 0.00% | Add +7.1% | 62,200 | $7.0M |
| JPMorgan Chase & Co. | 0.00% | Add +38.0% | 61,385 | $6.9M |
| Legal & General Group Plc | 0.00% | Add +0.6% | 58,043 | $6.5M |
| Allianz Asset Management GmbH | 0.01% | Reduce -16.5% | 53,689 | $6.0M |
| HighTower Advisors, LLC | 0.01% | Add +2.1% | 49,395 | $5.5M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -7.9% | 48,656 | $5.4M |
| Mutual of America Capital Management LLC | 0.06% | Add +69.6% | 47,467 | $5.3M |
| Eagle Asset Management Inc. | 0.03% | Reduce -12.4% | 44,206 | $5.3M |
| Public Sector Pension Investment Board | 0.03% | Reduce -3.5% | 43,974 | $4.9M |
| Scout Investments, Inc. | 0.13% | Reduce -26.8% | 46,713 | $4.9M |
| Wells Fargo & Company | 0.00% | Reduce -2.5% | 43,137 | $4.8M |
| Sei Investments Co. | 0.01% | Add +10.9% | 41,020 | $4.6M |
| Swiss National Bank | 0.00% | Reduce -0.5% | 40,500 | $4.5M |
| Fiera Capital Corp | 0.01% | Add +0.1% | 39,214 | $4.4M |
| Jane Street Group, LLC | 0.01% | Add +8.0% | 36,886 | $4.1M |
| American Century Companies Inc. | 0.00% | Add +7.6% | 36,645 | $4.1M |
| Intech Investment Management LLC | 0.04% | Add +435.3% | 35,823 | $4.0M |
| Stifel Financial Corp. | 0.00% | Add +0.3% | 35,680 | $4.0M |
| King Luther Capital Management Corp. | 0.02% | Add +43.4% | 34,897 | $3.9M |
| Barclays PLC | 0.00% | Add +356.9% | 34,877 | $3.9M |
| Renaissance Technologies | 0.01% | Reduce -5.6% | 33,900 | $3.8M |
| Gilman Hill Asset Management, LLC | 0.62% | Reduce -2.5% | 33,372 | $3.7M |
| New York State Teachers Retirement System | 0.01% | Reduce -2.7% | 32,024 | $3.6M |
| Prudential Financial Inc. | 0.00% | Add +26.4% | 31,103 | $3.5M |
| Citigroup Inc. | 0.00% | Add +62.5% | 25,620 | $2.9M |
| Rice Hall James & Associates, LLC | 0.15% | Reduce -1.0% | 24,876 | $2.8M |
| Nisa Investment Advisors, LLC | 0.02% | Add +0.1% | 23,075 | $2.6M |
| Alliancebernstein L.P. | 0.00% | Reduce -4.8% | 22,771 | $2.5M |
| LGT Group Foundation | 0.04% | Reduce -19.1% | 25,200 | $2.4M |
| D. E. Shaw & Co. | 0.00% | Add +236.2% | 21,660 | $2.4M |
| CANADA LIFE ASSURANCE Co | 0.00% | Reduce -5.2% | 19,926 | $2.2M |
| Chatham Capital Group, Inc. | 0.36% | Add +0.2% | 19,735 | $2.2M |
| California State Teachers Retirement System | 0.00% | Reduce -2.7% | 19,601 | $2.2M |
| New York State Common Retirement Fund | 0.00% | Reduce -11.3% | 17,261 | $1.9M |
| Pathstone Holdings, LLC | 0.01% | Add +20.3% | 17,192 | $1.9M |
| Thrivent Financial for Lutherans | 0.00% | Reduce -5.3% | 16,292 | $1.8M |
| FMR LLC | 0.00% | Add +23.8% | 15,027 | $1.7M |
| Millennium Management | 0.00% | New | 14,824 | $1.7M |
| Kingswood Wealth Advisors, LLC | 0.11% | Reduce -0.7% | 13,668 | $1.5M |
| UBS Group AG | 0.00% | Add +6.4% | 13,613 | $1.5M |
| T. Rowe Price Associates Inc. | 0.00% | Add +7.0% | 13,534 | $1.5M |
| Deutsche Bank AG | 0.00% | Add +27.5% | 12,460 | $1.4M |
| Illinois Municipal Retirement Fund | 0.02% | Add +3.3% | 12,207 | $1.4M |
| State of Alaska, Department of Revenue | 0.01% | Reduce -2.7% | 11,840 | $1.3M |
| Corebridge Financial, Inc. | 0.01% | Reduce -1.1% | 11,824 | $1.3M |
| MetLife Investment Management, LLC | 0.01% | No change | 11,731 | $1.3M |
| State of Wyoming | 0.18% | Add +20.8% | 11,416 | $1.3M |
| BNP Paribas Financial Markets | 0.00% | Add +30.5% | 11,131 | $1.2M |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -1.8% | 11,098 | $1.2M |
| Qube Research & Technologies Ltd | 0.00% | Reduce -68.3% | 10,989 | $1.2M |
| Ensign Peak Advisors, Inc | 0.00% | No change | 10,948 | $1.2M |
| NorthCrest Asset Manangement, LLC | 0.04% | No change | 10,750 | $1.2M |
| Dakota Wealth Management | 0.03% | Reduce -4.0% | 10,745 | $1.2M |
| Voya Investment Management LLC | 0.00% | Reduce -1.3% | 10,565 | $1.2M |
| Comerica Bank | 0.00% | Reduce -3.4% | 10,542 | $1.2M |
| HRT Financial LP | 0.01% | New | 10,423 | $1.2M |
| Ulysses Management LLC | 0.26% | Add +41.2% | 10,288 | $1.2M |
| Louisiana State Employees Retirement System | 0.02% | Reduce -3.9% | 10,000 | $1.1M |
| Janus Henderson Group PLC | 0.00% | No change | 8,930 | $998K |
| Susquehanna International Group, LLP | 0.00% | Add +47.7% | 8,590 | $961K |
| State of Tennessee, Department of Treasury | 0.00% | Reduce -3.7% | 8,532 | $954K |
| Russell Investments Group, Ltd. | 0.00% | Reduce -2.6% | 8,423 | $942K |
| Cerity Partners LLC | 0.00% | Add +28.3% | 8,304 | $929K |
| Yousif Capital Management, LLC | 0.01% | Reduce -2.9% | 8,066 | $902K |
| Janney Montgomery Scott LLC | 0.00% | Reduce -0.0% | 8,050 | $900K |
| Meyer Handelman Co. | 0.03% | No change | 7,900 | $884K |
| Synovus Financial Corp. | 0.01% | Add +9.6% | 7,507 | $840K |
| Victory Capital Management Inc. | 0.00% | Reduce -94.6% | 7,247 | $811K |
| SG Americas Securities, LLC | 0.00% | New | 7,103 | $795K |
| Maryland State Retirement & Pension System | 0.02% | Reduce -3.1% | 7,006 | $784K |
| Bradley Foster & Sargent Inc. | 0.01% | No change | 7,000 | $783K |
| Corient Private Wealth LP | 0.00% | Add +124.9% | 6,640 | $743K |
| Teachers Retirement System of the State of Kentucky | 0.01% | No change | 6,490 | $726K |
| Aurora Investment Counsel | 0.38% | No change | 6,325 | $708K |
| Amalgamated Bank | 0.01% | Reduce -3.5% | 6,104 | $683K |
| Arizona State Retirement System | 0.00% | Add +3.3% | 5,970 | $668K |
| Ethic Inc. | 0.02% | Add +32.2% | 5,009 | $660K |
| Citadel Advisors | 0.00% | Reduce -62.6% | 5,884 | $658K |
| Heritage Investors Management Corp. | 0.02% | No change | 5,727 | $641K |
| Praxis Investment Management Inc. | 0.04% | No change | 5,040 | $564K |
| Bank of Montreal | 0.00% | Add +0.1% | 4,834 | $543K |
| Oregon Public Employees Retirement Fund | 0.01% | Reduce -4.0% | 4,850 | $543K |
| Neuberger Berman Group LLC | 0.00% | Reduce -9.3% | 4,446 | $497K |
| Commonwealth of Pennsylvania Public School Empls Retrmt SYS | 0.00% | Reduce -0.7% | 4,435 | $496K |
| First Trust Advisors LP | 0.00% | Reduce -70.3% | 4,431 | $496K |
| First Hawaiian Bank | 0.02% | No change | 4,402 | $492K |
| State of Wisconsin Investment Board | 0.00% | Add +4.8% | 4,368 | $489K |
| Snowden Capital Advisors LLC | 0.01% | Reduce -1.6% | 4,350 | $487K |
| PNC Financial Services Group, Inc. | 0.00% | Reduce -3.8% | 4,183 | $468K |
| Handelsbanken Fonder AB | 0.00% | Add +10.6% | 4,166 | $466K |
| Pinnacle Associates Ltd. | 0.01% | Reduce -22.0% | 3,550 | $462K |
| Premier Fund Managers Ltd | 0.02% | No change | 4,044 | $456K |
| Verition Fund Management LLC | 0.00% | New | 4,057 | $454K |
| Avantax Advisory Services, Inc. | 0.00% | Reduce -0.1% | 3,978 | $445K |
| Cresset Asset Management, LLC | 0.00% | Add +1.9% | 3,919 | $438K |
| HSBC Holdings PLC | 0.00% | Add +28.4% | 3,844 | $428K |
| Confluence Investment Management LLC | 0.01% | Add +6.4% | 3,827 | $428K |
| Voloridge Investment Management, LLC | 0.00% | New | 3,720 | $416K |
| Inspire Investing, LLC | 0.04% | Add +14.2% | 3,703 | $414K |
| Johnson Financial Group, Inc. | 0.02% | Add +98.6% | 3,579 | $400K |
| Bessemer Group Inc. | 0.00% | Add +1.0% | 3,558 | $398K |
| LPL Financial LLC | 0.00% | Add +12.8% | 3,499 | $391K |
| Wealthspire Advisors, LLC | 0.00% | No change | 3,399 | $380K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | No change | 3,351 | $375K |
| Advisors Asset Management, Inc. | 0.01% | Add +0.1% | 3,346 | $374K |
| Orion Porfolio Solutions, LLC | 0.00% | Reduce -7.6% | 3,144 | $352K |
| Orion Portfolio Solutions, LLC | 0.00% | Reduce -7.6% | 3,144 | $352K |
| Tower Research Capital LLC (TRC) | 0.01% | Reduce -46.3% | 2,926 | $327K |
| Central Pacific Bank - Trust Division | 0.04% | No change | 2,859 | $320K |
| Gsa Capital Partners LLP | 0.02% | New | 2,843 | $318K |
| Dark Forest Capital Management LP | 0.04% | New | 2,820 | $315K |
| Creative Planning | 0.00% | Add +38.5% | 2,792 | $312K |
| CPC Advisors, LLC | 0.04% | New | 2,691 | $301K |
| Captrust Financial Advisors | 0.00% | New | 2,555 | $286K |
| Gabelli Funds LLC | 0.00% | No change | 2,500 | $280K |
| Personal Cfo Solutions, LLC | 0.04% | Add +0.2% | 2,362 | $264K |
| Pictet Asset Management Holding SA | 0.00% | No change | 2,339 | $262K |
| Centiva Capital, LP | 0.01% | New | 2,319 | $259K |
| Atria Investments, Inc | 0.00% | Reduce -9.2% | 2,273 | $254K |
| Public Employees Retirement Association of Colorado | 0.00% | No change | 2,208 | $247K |
| Gotham Asset Management | 0.00% | New | 2,137 | $239K |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 0.01% | No change | 2,133 | $239K |
| Squarepoint Ops LLC | 0.00% | Reduce -45.6% | 2,092 | $234K |
| Ameritas Investment Partners, Inc. | 0.01% | No change | 2,017 | $226K |
| Bedel Financial Consulting, Inc. | 0.03% | No change | 2,000 | $224K |
| Zhang Financial LLC | 0.01% | No change | 2,000 | $224K |
| Cullen/Frost Bankers, Inc. | 0.00% | No change | 1,875 | $210K |
| Brown Advisory Inc. | 0.00% | New | 1,844 | $206K |
| Ellevest, Inc. | 0.01% | Reduce -11.2% | 1,817 | $203K |
| Federated Hermes, Inc. | 0.00% | No change | 1,809 | $202K |
| AdvisorNet Financial, Inc | 0.01% | Add +1.7% | 1,302 | $146K |
| US Bancorp \de | 0.00% | Reduce -8.3% | 1,034 | $116K |
| Aquatic Capital Management LLC | 0.00% | New | 1,001 | $112K |
| Brown, Lisle/Cummings, Inc. | 0.03% | No change | 854 | $96K |
| Anchor Investment Management, LLC | 0.01% | No change | 800 | $89K |
| Acadian Asset Management LLC | 0.00% | New | 784 | $87K |
| ARK Investment Management | 0.00% | New | 760 | $85K |
| Danske Bank A/S | 0.00% | New | 600 | $67K |
| KBC Group NV | 0.00% | No change | 571 | $64K |
| Mendota Financial Group, LLC | 0.03% | No change | 570 | $64K |
| AlphaQuest LLC | 0.01% | Add +118.7% | 562 | $63K |
| Whittier Trust Co. | 0.00% | No change | 500 | $56K |
| First Horizon Advisors, Inc. | 0.00% | Reduce -7.5% | 467 | $52K |
| Quadrant Capital Group LLC | 0.00% | Add +7.2% | 448 | $50K |
| Blue Trust, Inc. | 0.00% | Reduce -84.6% | 459 | $50K |
| Catalyst Funds Management Pty Ltd | 0.01% | New | 400 | $45K |
| Arax Advisory Partners | 0.00% | Reduce -0.3% | 379 | $42K |
| Osaic Holdings, Inc. | 0.00% | Add +2.6% | 320 | $36K |
| Concourse Financial Group Securities, Inc. | 0.00% | Reduce -9.2% | 305 | $34K |
| Versant Capital Management, Inc | 0.01% | Add +12.8% | 300 | $34K |
| NewEdge Advisors, LLC | 0.00% | No change | 298 | $33K |
| Public Employees Retirement System of Ohio | 0.00% | Reduce -1.2% | 253 | $28K |
| Compass Wealth Management LLC | 0.01% | No change | 250 | $28K |
| CBIZ Investment Advisory Services, LLC | 0.00% | Add +6.5% | 180 | $20K |
| EverSource Wealth Advisors, LLC | 0.00% | No change | 164 | $18K |
| Steward Partners Investment Advisory, LLC | 0.00% | New | 150 | $17K |
| Key Financial Inc | 0.00% | No change | 138 | $15K |
| Cwm, LLC | 0.00% | Add +7.0% | 138 | $15K |
| GHP Investment Advisors, Inc. | 0.00% | New | 130 | $15K |
| Farther Finance Advisors, LLC | 0.00% | Add +101.7% | 121 | $14K |
| Smartleaf Asset Management LLC | 0.00% | Reduce -4.1% | 118 | $13K |
| LGT Financial Advisors LLC | 0.03% | No change | 104 | $12K |
| Sunbelt Securities, Inc. | 0.00% | No change | 100 | $11K |
| CENTRAL TRUST Co | 0.00% | Reduce -33.3% | 100 | $11K |
| Fifth Third Bancorp | 0.00% | Add +25.0% | 100 | $11K |
| Principal Securities, Inc. | 0.00% | Add +10.6% | 94 | $11K |
| Kayne Anderson Rudnick Investment Management LLC | 0.00% | No change | 72 | $8K |
| GAMMA Investing LLC | 0.00% | Add +100.0% | 64 | $7K |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.00% | No change | 59 | $7K |
| Simplex Trading, LLC | 0.00% | New | 59 | $6K |
| UMB Bank, n.a. | 0.00% | Add +205.9% | 52 | $6K |
| Signaturefd, LLC | 0.00% | Add +8.5% | 51 | $6K |
| Lindbrook Capital, LLC | 0.00% | Add +34.4% | 43 | $5K |
| Geneos Wealth Management Inc. | 0.00% | New | 41 | $5K |
| MassMutual Private Wealth & Trust, FSB | 0.00% | Add +122.2% | 40 | $4K |
| Avior Wealth Management, LLC | 0.00% | Reduce -2.5% | 39 | $4K |
| Allworth Financial LP | 0.00% | Reduce -52.5% | 38 | $4K |
| Harbor Capital Advisors, Inc. | 0.00% | New | 40 | $4K |
| LRI Investments, LLC | 0.00% | Reduce -23.3% | 33 | $4K |
| Bokf, NA | 0.00% | No change | 37 | $4K |
| Huntington National Bank | 0.00% | Add +66.7% | 30 | $3K |
| Amundi | 0.00% | No change | 28 | $3K |
| Mather Group, Llc. | 0.00% | Add +40.0% | 28 | $3K |
| CIBC Private Wealth Group LLC | 0.00% | No change | 27 | $3K |
| Rothschild Investment LLC | 0.00% | Add +150.0% | 25 | $3K |
| Sterling Capital Management LLC | 0.00% | — | 24 | $3K |
| Cornerstone Planning Group LLC | 0.00% | No change | 19 | $2K |
| Strategic Investment Solutions, Inc. | 0.00% | No change | 16 | $2K |
| Global Retirement Partners, LLC | 0.00% | No change | 16 | $2K |
| Harbour Investments, Inc. | 0.00% | No change | 15 | $2K |
| Farmers & Merchants Investments Inc. | 0.00% | No change | 15 | $2K |
| Montag A & Associates Inc. | 0.00% | No change | 13 | $1K |
| Laurel Wealth Advisors LLC | 0.00% | New | 10 | $1K |
| Concord Wealth Partners | 0.00% | New | 10 | $1K |
| Carolinas Wealth Consulting LLC | 0.00% | No change | 10 | $1K |
| Parallel Advisors, LLC | 0.00% | No change | 9 | $1K |
| Bell Investment Advisors, Inc | 0.00% | No change | 6 | $672 |
| Creekmur Asset Management LLC | 0.00% | New | 6 | $671 |
| Parkside Financial Bank & Trust | 0.00% | No change | 5 | $560 |
| SJS Investment Consulting Inc. | 0.00% | No change | 4 | $448 |
| JFS Wealth Advisors, LLC | 0.00% | Reduce -55.6% | 4 | $448 |
| Aster Capital Management (DIFC) Ltd | 0.00% | — | 3 | $336 |
| Larson Financial Group LLC | 0.00% | No change | 3 | $336 |
| Earned Wealth Advisors, LLC | 0.00% | New | 2 | $224 |
| Abound Wealth Management | 0.00% | No change | 2 | $224 |
| DiNuzzo Private Wealth, Inc. | 0.00% | Reduce -33.3% | 2 | $224 |
| TFC Financial Management, Inc. | 0.00% | No change | 1 | $112 |
| Claris Advisors, LLC / Mo / | 0.00% | New | 1 | $112 |
| Capital Advisors, Ltd. LLC | 0.00% | New | 1 | $0 |
| Hemington Wealth Management | 0.00% | New | 4 | $0 |
| Covestor Ltd | 0.00% | Reduce -66.7% | 1 | $0 |
"% of holder's portfolio" is MTRN's weight in each manager's 13F, not the share of Materion Corp. the manager owns.