Who owns Allegro Microsystems Inc (ALGM)?
230 US mutual funds and ETFs from 118 fund families reported a position in ALGM for the quarter ending 2026-06-30. Against their own report a quarter earlier, 61 raised shares, 44 opened a new position, 95 cut and 29 sold out.
Largest fund families
| Fund family | Funds | Share of fund-held shares |
|---|---|---|
| Vanguard Index Funds | 4 | 20.5% |
| Ishares Trust | 14 | 15.3% |
| Smallcap World Fund Inc | 1 | 11.7% |
| Spdr Series Trust | 10 | 5.5% |
| Jpmorgan Trust Ii | 3 | 4.5% |
| J.P. Morgan Mutual Fund Investment Trust | 1 | 4.2% |
Tracked managers holding ALGM
None of the managers Prior Moves tracks on 13F reports ALGM in its latest filing.
Source: SEC Form N-PORT, which funds file about 60 days after quarter end, and the latest 13F filings. Share counts, not trades: a change can reflect fund inflows or outflows rather than a decision about ALGM. A record of holdings, not a forecast and not investment advice. See all owner pages or the forecast board for the names our model ranks.
Our model ranks every tracked manager’s likely next buys from 13F filings. Request the dataset sample with a work email.
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