13FPulse
AL

ALGM ALLEGRO MICROSYSTEMS INC

2026Q2 · CUSIP 01749D105 · Analog & Power · Sector: Semiconductors

Piling in

Net holder growth ranks near the top of the market

Funds that own it
366
Institutions that reported holding it to the SEC
Net increase in holders
+49
Last quarter 317 → now 366
How unusual is that
Top 10%
Stronger buying than 94% of US stocks
What the filings say, in one paragraph

366 funds held ALGM at the end of 2026Q2, up 49 from the quarter before. That is stronger buying than 94.4% of US stocks — among the most piled-into names this quarter. On the business itself, revenue over the last 12 months was $946M(YoY +24.2%), the P/E is 511.0x, return on equity is 1.5%. ALGM has had 9 buying rushes in its history, and the price moved +3.5% on average over the six months after (that is the raw price move, not how much it beat the market by). It sits in the Semiconductors sector, tagged Analog & Power.

How many funds owned it, quarter by quarter

Bars = net change in institutional holders, positive (green) or negative (red). Line = total institutional holders.

2021Q1: holders=123 2021Q2: holders=127 2021Q3: holders=152 2021Q4: holders=165 2022Q1: holders=173 2022Q2: holders=169 2022Q3: holders=169 2022Q4: holders=219 2023Q1: holders=312 2023Q2: holders=350 2023Q3: holders=311 2023Q4: holders=287 2024Q1: holders=274 2024Q2: holders=269 2024Q3: holders=246 2024Q4: holders=258 2025Q1: holders=288 2025Q2: holders=271 2025Q3: holders=297 2025Q4: holders=292 2026Q1: holders=317 2026Q2: holders=366 -93 -46.5 +0 +46.5 +93 110248385 21Q121Q322Q122Q323Q123Q324Q124Q325Q125Q326Q126Q2 Net change in holders (bars) Total funds holding (line)

What happened after each past buying rush 9 times in its history

Quarter of the rush How unusual then Price, next 3 months Price, next 6 months
2026Q2 Top 10%
2026Q1 Top 20%
2025Q3 Top 20% +53.6% +87.8%
2025Q1 Top 10% +13.0% -13.0%
2023Q2 Top 5% -27.5% -17.9%
2023Q1 Top 1% in the market -3.7% -26.3%
2022Q4 Top 10% -13.8% -16.5%
2021Q3 Top 10% -14.5% -29.1%
2021Q1 Top 20% +16.0% +39.6%

These are the raw price moves, not how much it beat the market by. Compare them against the market over the same months — in a strong bull market almost everything is up.

Show all the numbers (large funds, value held, options…) ▾
Of them, large funds
182
Change in large funds
+23
Total value they hold
$10.2B
Funds buying for the first time
102
Funds that sold out entirely
53
Price change that quarter
-13.5%
Funds holding puts (bearish)
8
Funds holding calls (bullish)
8

These are for people who want to dig. Skip them if they do not mean anything to you — the three numbers above are enough.

8,697 institutions have filed for this quarter. 13F permits late filing and a small number arrive in the weeks after the deadline, so the holder counts and changes below may tick up.

Fundamentals

PE (TTM)
511.0
EPS (TTM)
$0.07
EPS YoY
Revenue (TTM)
$0.9B
Revenue YoY
+24.2%
Net margin
1.5%
ROE
1.5%
Debt ratio
31.6%
FCF (TTM)
$88M
Dividend (TTM)
No dividend
Quarterly Revenue & EPS
2021-09-24: EPS 0.17 2021-12-24: EPS 0.17 2022-03-25: EPS 0.14 2022-06-24: EPS 0.05 2022-09-23: EPS 0.26 2022-12-23: EPS 0.33 2023-03-31: EPS 0.33 2023-06-30: EPS 0.31 2023-09-29: EPS 0.34 2023-12-29: EPS 0.17 2024-03-29: EPS -0.04 2024-06-28: EPS -0.09 2024-09-27: EPS -0.18 2024-12-27: EPS -0.04 2025-03-28: EPS -0.08 2025-06-27: EPS -0.07 2025-09-26: EPS 0.03 2025-12-26: EPS 0.04 2026-03-27: EPS -0.08 2026-06-26: EPS 0.08 0M 139M 278M $M -0.20 0.09 0.37 2019202020212022202320242025202606/26 Revenue EPS

Quarterly figures, revenue up to 10 years back; EPS split-adjusted, early quarters hidden when not calibrable

P/E (TTM) over time
4Y median 42 20 328 637 20222023202420252026

P/E = close around day 47 after quarter-end ÷ TTM EPS then; this is a consistent valuation date, not the company’s actual filing date; loss quarters hidden

Quarterly free cash flow
-22M15M51M 20192020202120222023202420252026
Latest quarter $19M (2026-03-27)

FCF = operating cash flow − capex, computed from SEC XBRL; banks/insurers have no standard cash-flow structure and are hidden

As of 2026-06-26 · SEC filings (XBRL)

Email me the next update

2026 Q3 holdings are due 2026-11-16. We will email you when the refreshed lists are live.