Companies / Allegro Microsystems Inc / Activity
Activity — Allegro Microsystems Inc
125 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 | $117.51M | +1.7M +13.83% | 13,889,324 7.45% of shares | high |
| Q1 2026 as of | Adage Capital Partners Gp, L.L.C. 13F manager | Trim | Common stock | $-42.23M | -1.3M -47.76% | 1,464,737 0.79% of shares | medium |
| Q1 2026 as of | Millennium Management LLC 13F manager | Trim | Common stock | $-41.42M | -1.3M -97.90% | 28,127 0.02% of shares | medium |
| Q1 2026 as of | Norges Bank 13F manager | Exit | Common stock | $-38.46M | -1.5M -100.00% | 0 | medium |
| Q2 2026 as of | State Street Corporation 13F manager | Add | Common stock | $22.06M | +317K +5.91% | 5,676,421 3.05% of shares | medium |
| Q1 2026 as of | Balyasny Asset Management L.P. 13F manager | Trim | Common stock | $-17.80M | -565K -69.66% | 245,910 0.13% of shares | medium |
| Q1 2026 as of | Voya Investment Management LLC 13F manager | Add | Common stock | $16.36M | +519K +55.18% | 1,459,271 0.78% of shares | medium |
| Q1 2026 as of | AllianceBernstein L.P. 13F manager | Add | Common stock | $15.16M | +575K +50.03% | 1,723,370 0.92% of shares | medium |
| Q2 2026 as of | Granite Investment Partners, LLC 13F manager | New | Common stock | $15.02M | +216K | 215,679 0.12% of shares | medium |
| Q1 2026 as of | Two Sigma Investments, LP 13F manager | Add | Common stock | $10.37M | +329K +105.79% | 639,841 0.34% of shares | medium |
| Q4 2025 as of | Bank of America Corp /De 13F manager | Trim | Common stock | $-9.92M | -376K -39.47% | 576,655 0.31% of shares | medium |
| Q1 2026 as of | Renaissance Technologies LLC 13F manager | Trim | Common stock | $-9.85M | -312K -71.60% | 123,900 0.07% of shares | medium |
| Q1 2026 as of | Sirios Capital Management L P 13F manager | New | Common stock | $9.41M | +298K | 298,421 0.16% of shares | medium |
| Q1 2026 as of | Segall Bryant & Hamill, LLC 13F manager | Trim | Common stock | $-6.41M | -203K -16.29% | 1,044,984 0.56% of shares | medium |
| Q1 2026 as of | Kettle Hill Capital Management, LLC 13F manager | New | Common stock | $5.72M | +182K | 181,531 0.10% of shares | medium |
| Q1 2026 as of | BNP Paribas Financial Markets 13F manager | Trim | Common stock | $-5.61M | -178K -89.55% | 20,774 0.01% of shares | medium |
| Q4 2025 as of | Norges Bank 13F manager | Add | Common stock | $5.06M | +192K +15.15% | 1,457,805 0.78% of shares | medium |
| Q2 2026 as of | Deutsche Bank AG 13F manager | Add | Common stock | $4.77M | +69K +339.79% | 88,759 0.05% of shares | low |
| Q1 2026 as of | Castleark Management LLC 13F manager | New | Common stock | $4.65M | +147K | 147,420 0.08% of shares | low |
| Q1 2026 as of | Granahan Investment Management, LLC 13F manager | Add | Common stock | $3.95M | +125K +139.27% | 215,001 0.12% of shares | low |
| Q1 2026 as of | CPPIB Crestone Peak Resources Canada Inc. 13F manager | Add | Common stock | $3.28M | +104K +577.78% | 122,000 0.07% of shares | low |
| Q2 2023 as of | Barclays PLC 13F manager | Trim | Common stock | $-2.75M | -61K -56.85% | 46,278 0.02% of shares | low |
| Q2 2026 as of | LPL Financial LLC 13F manager | Add | Common stock | $2.72M | +39K +120.46% | 71,589 0.04% of shares | low |
| Q2 2026 as of | Mitsubishi UFJ Asset Management Co., Ltd. 13F manager | Trim | Common stock | $-2.17M | -31K -41.93% | 43,188 0.02% of shares | low |
| Q1 2026 as of | Geode Capital Management, LLC 13F manager | Add | Common stock | $1.98M | +63K +2.63% | 2,456,820 1.32% of shares | low |
| Q4 2024 as of | Barclays PLC 13F manager | Add | Common stock | $1.76M | +81K +106.72% | 156,325 0.08% of shares | low |
| Q1 2026 as of | Clearbridge Investments, LLC 13F manager | Trim | Common stock | $-1.67M | -53K -1.82% | 2,863,710 1.54% of shares | low |
| Q4 2025 as of | Barclays PLC 13F manager | Trim | Common stock | $-1.65M | -63K -41.53% | 88,300 0.05% of shares | low |
| Q1 2026 as of | Principal Financial Group Inc 13F manager | Add | Common stock | $1.52M | +48K +2.76% | 1,790,466 0.96% of shares | low |
| Q1 2026 as of | D. E. Shaw & Co., Inc. 13F manager | Exit | Common stock | $-1.46M | -55K -100.00% | 0 | low |
| Q4 2024 as of | Danske Bank A/S 13F manager | Exit | Common stock | $-1.43M | -61K -100.00% | 0 | low |
| Q2 2024 as of | Barclays PLC 13F manager | Trim | Common stock | $-1.08M | -38K -48.72% | 40,203 0.02% of shares | low |
| Q1 2026 as of | First Trust Advisors LP 13F manager | Trim | Common stock | $-1.07M | -34K -7.59% | 414,897 0.22% of shares | low |
| Q2 2024 as of | Danske Bank A/S 13F manager | Add | Common stock | $1.03M | +36K +844.47% | 40,612 0.02% of shares | low |
| Q1 2026 as of | Silvercrest Asset Management Group LLC 13F manager | Add | Common stock | $1.01M | +32K +4.76% | 707,891 0.38% of shares | low |
| Q3 2025 as of | Barclays PLC 13F manager | Add | Common stock | $971.4K | +33K +28.25% | 151,025 0.08% of shares | low |
| Q1 2026 as of | Intech Investment Management LLC 13F manager | Exit | Common stock | $-954.2K | -36K -100.00% | 0 | low |
| Q4 2023 as of | Barclays PLC 13F manager | Add | Common stock | $922.6K | +30K +83.55% | 66,962 0.04% of shares | low |
| Q1 2026 as of | California State Teachers Retirement System 13F manager | Add | Common stock | $845.9K | +27K +21.81% | 149,826 0.08% of shares | low |
| Q3 2024 as of | Barclays PLC 13F manager | Add | Common stock | $825.2K | +35K +88.10% | 75,620 0.04% of shares | low |
| Q2 2026 as of | Mml Investors Services, LLC 13F manager | Exit | Common stock | $-814.9K | -31K -100.00% | 0 | low |
| Q1 2025 as of | Barclays PLC 13F manager | Trim | Common stock | $-807.9K | -32K -20.57% | 124,176 0.07% of shares | low |
| Q1 2026 as of | Marshall Wace, LLP 13F manager | Add | Common stock | $794.6K | +25K +3.53% | 739,780 0.40% of shares | low |
| Q4 2025 as of | Peak6 LLC 13F manager | New | Common stock | $726.6K | +28K | 27,542 0.01% of shares | low |
| Q1 2026 as of | Amundi 13F manager | Exit | Common stock | $-613.5K | -23K -100.00% | 0 | low |
| Q1 2026 as of | Bridgewater Associates, LP 13F manager | New | Common stock | $524.8K | +17K | 16,645 <0.01% of shares | low |
| Q1 2026 as of | AQR Capital Management, LLC 13F manager | Add | Common stock | $513.7K | +17K +5.23% | 345,126 0.19% of shares | low |
| Q1 2026 as of | Moody National Bank Trust Division 13F manager | Trim | Common stock | $-508.0K | -16K -41.89% | 22,355 0.01% of shares | low |
| Q1 2023 as of | Barclays PLC 13F manager | Add | Common stock | $498.4K | +10K +10.72% | 107,245 0.06% of shares | low |
| Q3 2024 as of | Danske Bank A/S 13F manager | Add | Common stock | $482.7K | +21K +51.01% | 61,330 0.03% of shares | low |