Allegro MicroSystems ($ALGM) Insider Trading & Smart Money Activity
Allegro MicroSystems, Inc. ($ALGM) has 1 insider trade, 1 congress trade, 12 13F position changes and 2 analyst ratings on file. Insiders filed 1 Form 4 transaction in the last 12 months, none of them open-market purchases or sales.
- Insider buyers (12 mo)
- 0
- Insider sellers (12 mo)
- 0
- Net insider $ (12 mo)
- $0
- Congress trades (12 mo)
- 1
- 13F moves on file
- 12
- Analyst ratings on file
- 2
ALGM insider buying and selling by quarter
| Quarter | Insider buys | Insider sales | Congress buys / sales | 13F added / cut |
|---|---|---|---|---|
| Q1 2026 | 0 | 0 | 0 / 0 | 0 / 0 |
| Q2 2026 | 0 | 0 | 0 / 0 | 11 / 1 |
| Q3 2026 | 0 | 0 | 1 / 0 | 0 / 0 |
| Q4 2026 | 0 | 0 | 0 / 0 | 0 / 0 |
Insider buys and sales count open-market trades only (Form 4 codes P and S). Grants, option exercises and tax withholding are left out.
All ALGM insider, congress, 13F and analyst activity
| Date | Source | Who | Action | Shares | Value / amount | ΔOwn | 1W | 1M | 6M | Filing | Story |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Congress | Gilbert Ray Cisneros Jr. | Purchase | $1,001 - $15,000 | +5.9% | Read | ||||||
| Analyst | Mizuho | Reiterates to buy | PT $67 | -14.8% | -36.4% | Read | |||||
| Analyst | TD Cowen | Reiterates to buy | PT $70 | +7.8% | -19.0% | Read | |||||
| Insider | Brian White | Buy (Grant or award) | 594 sh | +2.7% | -13.9% | — | |||||
| 13F | Susquehanna International Group | Reduced | -18.90K sh | $7.91M | +6.6% | +27.6% | Read | ||||
| 13F | Nomura Asset Management International | Added | +44.43K sh | $142.63M | +6.6% | +27.6% | Read | ||||
| 13F | FMR | Added | +3.79M sh | $1.88B | +6.6% | +27.6% | — | ||||
| 13F | FMR | Added | +3.79M sh | $1.31B | +6.6% | +27.6% | — | ||||
| 13F | Brevan Howard Capital Management | New | +95.10K sh | $6.52M | +6.6% | +27.6% | Read | ||||
| 13F | Loomis Sayles & Co L P | Added | +844.87K sh | $114.76M | -0.6% | +22.3% | — | ||||
| 13F | JPMorgan Chase | Added | +1.30M sh | $593.10M | -3.6% | +9.7% | — | ||||
| 13F | JPMorgan Chase | Added | +1.30M sh | $414.61M | -3.6% | +9.7% | — | ||||
| 13F | Voya Investment Management | Added | +518.91K sh | $100.03M | -9.2% | +4.6% | — | ||||
| 13F | Voya Investment Management | Added | +518.91K sh | $69.93M | -9.2% | +4.6% | — | ||||
| 13F | Invesco | Added | +1.10M sh | $599.91M | -9.2% | +4.6% | Read | ||||
| 13F | Walleye Capital | Added | +127.06K sh | $8.96M | -14.5% | -8.0% | — |
1W / 1M / 6M = how ALGM moved from the trade or filing date.
Insider trading in ALGM: who is buying and selling
| Insider | Role | Trades | Open-market net | Shares held | Last trade |
|---|---|---|---|---|---|
| Brian White | 1 | — | Jun 17, 2026 |
Members of Congress trading ALGM
Institutions moving ALGM (13F)
Analyst ratings on ALGM
Frequently asked questions
What is the latest insider trade in ALGM?
Brian White filed a buy (grant or award) of 594 sh on Jun 17, 2026.
Which members of Congress traded ALGM?
1 disclosed trade by Gilbert Ray Cisneros Jr.. The latest was on Sep 29, 2026.
Which institutions changed their ALGM positions?
Recent 13F filers moving the stock include FMR, JPMorgan Chase, Voya Investment Management, Susquehanna International Group and Nomura Asset Management International.
Other semiconductors stocks
Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.
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