Companies / Mayville Engineering Company, Inc. / Activity
Activity — Mayville Engineering Company, Inc.
49 moves.
Top impactInsider · CEO movesInsider · biggest buysInsider · biggest sellsInstitution · biggest movesInstitution · new positions
| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q2 2026 as of | BlackRock, Inc. 13F manager | Add | Common stock | $11.91M | +318K +36.72% | 1,183,443 4.64% of shares | medium |
| Q1 2026 as of | Portolan Capital Management, LLC 13F manager | Add | Common stock | $5.54M | +308K +60.14% | 821,136 3.22% of shares | medium |
| Q1 2026 as of | Millennium Management LLC 13F manager | Add | Common stock | $4.09M | +228K +148.68% | 380,972 1.49% of shares | low |
| Q1 2026 as of | Granahan Investment Management, LLC 13F manager | Add | Common stock | $2.15M | +120K +44.71% | 387,470 1.52% of shares | low |
| Q1 2026 as of | Arrowstreet Capital, Limited Partnership 13F manager | Trim | Common stock | $-1.85M | -103K -35.77% | 185,261 0.73% of shares | low |
| Q1 2026 as of | Silvercrest Asset Management Group LLC 13F manager | Add | Common stock | $1.61M | +90K +49.87% | 269,681 1.06% of shares | low |
| Q1 2026 as of | Formula Growth Ltd 13F manager | Add | Common stock | $1.08M | +60K +150.00% | 100,000 0.39% of shares | low |
| Q2 2026 as of | Quadrature Capital Ltd 13F manager | New | Common stock | $991.8K | +26K | 26,477 0.10% of shares | low |
| Q1 2026 as of | First Eagle Investment Management, LLC 13F manager | Add | Common stock | $825.7K | +46K +12.85% | 404,075 1.58% of shares | low |
| Q1 2026 as of | Two Sigma Investments, LP 13F manager | New | Common stock | $623.0K | +35K | 34,708 0.14% of shares | low |
| Q1 2026 as of | North Star Investment Management Corporation 13F manager | New | Common stock | $538.5K | +30K | 30,000 0.12% of shares | low |
| Q1 2026 as of | D. E. Shaw & Co., Inc. 13F manager | Exit | Common stock | $-363.5K | -19K -100.00% | 0 | low |
| Q1 2026 as of | Needham Investment Management LLC 13F manager | New | Common stock | $359.0K | +20K | 20,000 0.08% of shares | low |
| Q1 2026 as of | Sterling Capital Management LLC 13F manager | Trim | Common stock | $-283.1K | -16K -97.52% | 401 <0.01% of shares | low |
| Q3 2024 as of | Barclays PLC 13F manager | Add | Common stock | $242.2K | +11K +44.19% | 37,486 0.15% of shares | low |
| Q2 2026 as of | State Street Corporation 13F manager | Add | Common stock | $231.1K | +6K +2.16% | 291,168 1.14% of shares | low |
| Q2 2026 as of | Deutsche Bank AG 13F manager | Add | Common stock | $225.8K | +6K +73.09% | 14,278 0.06% of shares | low |
| Q1 2026 as of | AQR Capital Management, LLC 13F manager | Trim | Common stock | $-206.9K | -12K -36.12% | 20,383 0.08% of shares | low |
| Q2 2026 as of | AlphaQuest LLC 13F manager | Exit | Common stock | $-205.1K | -11K -100.00% | 0 | low |
| Q4 2023 as of | Barclays PLC 13F manager | Add | Common stock | $195.9K | +14K +65.16% | 34,433 0.14% of shares | low |
| Q4 2025 as of | Bank of America Corp /De 13F manager | Add | Common stock | $185.6K | +10K +4.74% | 218,888 0.86% of shares | low |
| Q1 2026 as of | Boston Partners 13F manager | Add | Common stock | $177.8K | +10K +4.45% | 232,637 0.91% of shares | low |
| Q2 2025 as of | Barclays PLC 13F manager | Add | Common stock | $173.4K | +11K +36.66% | 40,502 0.16% of shares | low |
| Q2 2023 as of | Barclays PLC 13F manager | Trim | Common stock | $-160.9K | -13K -38.40% | 20,715 0.08% of shares | low |
| Q1 2026 as of | Renaissance Technologies LLC 13F manager | Trim | Common stock | $-149.0K | -8K -11.66% | 62,900 0.25% of shares | low |
| Q1 2026 as of | Geode Capital Management, LLC 13F manager | Add | Common stock | $124.1K | +7K +2.10% | 335,835 1.32% of shares | low |
| Q1 2025 as of | Barclays PLC 13F manager | Trim | Common stock | $-114.2K | -9K -22.30% | 29,637 0.12% of shares | low |
| Q1 2024 as of | Barclays PLC 13F manager | Trim | Common stock | $-110.3K | -8K -22.35% | 26,737 0.10% of shares | low |
| Q1 2023 as of | Barclays PLC 13F manager | Add | Common stock | $81.3K | +5K +19.35% | 33,627 0.13% of shares | low |
| Q2 2026 as of | Persistent Asset Partners Ltd 13F manager | New | Common stock | $80.4K | +2K | 2,147 <0.01% of shares | low |
| Q1 2026 as of | Bridgeway Capital Management, LLC 13F manager | Trim | Common stock | $-75.8K | -4K -1.86% | 222,703 0.87% of shares | low |
| Q1 2026 as of | Bank of New York Mellon Corp/The 13F manager | Trim | Common stock | $-61.7K | -3K -8.13% | 38,851 0.15% of shares | low |
| Q3 2025 as of | Barclays PLC 13F manager | Trim | Common stock | $-52.6K | -4K -9.44% | 36,677 0.14% of shares | low |
| Q1 2026 as of | Public Employees Retirement System of Ohio 13F manager | Exit | Common stock | $-41.0K | -2K -100.00% | 0 | low |
| Q2 2026 as of | LPL Financial LLC 13F manager | Add | Common stock | $14.4K | +384 +1.76% | 22,172 0.09% of shares | low |
| Q2 2024 as of | Barclays PLC 13F manager | Trim | Common stock | $-12.3K | -740 -2.77% | 25,997 0.10% of shares | low |
| Q4 2024 as of | Barclays PLC 13F manager | Add | Common stock | $10.3K | +657 +1.75% | 38,143 0.15% of shares | low |
| Q4 2025 as of | Barclays PLC 13F manager | Add | Common stock | $6.5K | +348 +0.95% | 37,025 0.15% of shares | low |
| Q1 2026 as of | Royal Bank of Canada 13F manager | Trim | Common stock | $-6.1K | -337 -8.91% | 3,447 0.01% of shares | low |
| Q1 2026 as of | MAI Capital Management 13F manager | Add | Common stock | $4.9K | +273 +193.62% | 414 <0.01% of shares | low |
| Q1 2026 as of | Rhumbline Advisers 13F manager | Add | Common stock | $3.0K | +168 +0.93% | 18,200 0.07% of shares | low |
| Q1 2026 as of | BNP Paribas Financial Markets 13F manager | Trim | Common stock | $-2.8K | -157 -5.31% | 2,798 0.01% of shares | low |
| Q1 2026 as of | California State Teachers Retirement System 13F manager | Trim | Common stock | $-1.7K | -97 -12.05% | 708 <0.01% of shares | low |
| Q3 2023 as of | Barclays PLC 13F manager | Add | Common stock | $1.5K | +133 +0.64% | 20,848 0.08% of shares | low |
| Q2 2026 as of | Harbor Capital Advisors, Inc. 13F manager | Add | Common stock | $780 | +21K +267.69% | 28,625 0.11% of shares | low |
| Q2 2026 as of | The PNC Financial Services Group, Inc. 13F manager | Add | Common stock | $262 | +7 +53.85% | 20 <0.01% of shares | low |
| Q1 2026 as of | Harbor Capital Advisors, Inc. 13F manager | New | Common stock | $140 | +8K | 7,785 0.03% of shares | low |
| Q1 2026 as of | Janney Montgomery Scott LLC 13F manager | Trim | Common stock | $-51 | -3K -8.33% | 31,305 0.12% of shares | low |
| Q2 2026 as of | Covestor Ltd 13F manager | Exit | Common stock | $0 | -11 -100.00% | 0 | low |