ALGM — ALLEGRO MICROSYSTEMS, INC.
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2020-10-29.
Performance
Technicals
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Measured signals that fired on ALGM
| date | signal | measured base rate |
|---|---|---|
| 2026-08-19 | Equal lows taken out structure | -0.64% over 21 days · t = -4.75 · n = 55,661 statistically distinguishable from its control group |
| 2026-08-19 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-07-08 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-05-27 | Equal highs taken out structure | -0.70% over 21 days · t = -8.28 · n = 68,636 statistically distinguishable from its control group |
| 2026-05-15 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-05-15 | Cluster sale: three or more insiders insider | -0.37% over 21 days · t = -3.38 · n = 21,542 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-08-17 | Raubacher Jennie Director | Open-market sale 10b5-1 plan | 1.0K | 45.32 | 45.3K |
| 2026-08-10 | Hagen Erin SVP, CHRO | Open-market sale 10b5-1 plan | 2.3K | 44.39 | 101.4K |
| 2026-08-05 | Palepu Krishna G. Director | Grant or award | 4.3K | 0.00 | 0 |
| 2026-08-05 | MARTIN JOSEPH R Director | Grant or award | 4.3K | 0.00 | 0 |
| 2026-08-05 | PUMA MARY G Director | Grant or award | 4.3K | 0.00 | 0 |
| 2026-08-05 | Suzuki Yoshihiro Director | Grant or award | 4.3K | 0.00 | 0 |
| 2026-06-17 | WHITE BRIAN C Director | Grant or award | 594 | 0.00 | 0 |
| 2026-06-03 | Madormo Richard SVP, Worldwide Sales | Open-market sale | 5.0K | 52.72 | 263.6K |
| 2026-05-22 | Coleman Troy SVP, General Manager, Products | Open-market sale | 4.5K | 45.72 | 205.7K |
| 2026-05-21 | Webster Roald Graham VP, Chief Accounting Officer | Open-market sale | 5.2K | 44.88 | 234.2K |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| FMR LLC | 864.6M | 27.4M |
| BlackRock, Inc. | 394.0M | 12.5M |
| Capital Research Global Investors | 392.1M | 12.4M |
| Invesco Ltd. | 275.9M | 8.8M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 249.7M | 7.9M |
| JPMORGAN CHASE & CO | 242.6M | 8.7M |
| VANGUARD CAPITAL MANAGEMENT LLC | 172.3M | 5.5M |
| STATE STREET CORP | 164.8M | 5.2M |
| Clearbridge Investments, LLC | 90.3M | 2.9M |
| GEODE CAPITAL MANAGEMENT, LLC | 77.5M | 2.5M |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
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