# ALLEGRO MICROSYSTEMS INC (ALGM) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 01749D105
Page URL: https://superinvestorclub.com/stock/ALGM
Last updated: 2026-08-29T13:47:46.111Z

## Summary

As of the most recent 13F filing period, ALLEGRO MICROSYSTEMS INC (ALGM) is held by 1 tracked superinvestors with an aggregate position value of $702,744 representing 010094 shares.

## Top institutional holders (1)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [Lee Ainslie](https://superinvestorclub.com/manager/58) | Maverick Capital | 10094 | $702,744 | 0.01% | 2026-06-30 |

## Ownership history (quarter-over-quarter)

- 2024-06-30: 1 holders, $2.7M aggregate, 094425 shares
- 2025-06-30: 1 holders, $2.6M aggregate, 077321 shares
- 2026-03-31: 2 holders, $1.9M aggregate, 04222416645 shares
- 2026-06-30: 1 holders, $702,744 aggregate, 010094 shares

## Recent congressional trades (1)

- 2024-10-17: Josh Gottheimer (Democrat-NJ) purchase $1,001 - $15,000

## Recent insider transactions (0)


## Citation

When citing, use: "ALLEGRO MICROSYSTEMS INC (ALGM) institutional ownership data via Superinvestor (https://superinvestorclub.com/stock/ALGM), aggregating SEC 13F, Form 4, and congressional disclosures."