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FMR LLC

Position in ALGM — Allegro Microsystems, Inc.

CIK 315066 BOSTON, MA

Position in ALGM

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$1,780,950,679
+$916,360,056 QoQ
Shares Held
25,581,021
-6.7% QoQ
Ownership
13.7%
of shares outstanding
% of Portfolio
0.08%
of 13F equity value
Holder Rank
#1
of 370 holders
Holding Since
Dec 2020
23 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ALGM Over Time

Shares Held

Position Value (USD)

Position in Semiconductors

Technology · as of Jun 30, 2026

FMR LLC holds $423,232,684,375 across 57 Semiconductors names. ALGM ranks #17 (0.4% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ALGM

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24 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,780,950,679 25,581,021
2026-06-30 $1,780,950,682 25,581,021
2026-03-31 $864,590,623 27,421,206
2025-12-31 $623,510,977 23,635,746
2025-09-30 $802,061,014 27,467,843
2025-06-30 $931,591,099 27,247,473
2025-03-31 $676,527,642 26,921,116
2024-12-31 $497,850,371 22,774,491
2024-09-30 $658,313,794 28,253,811
2024-06-30 $556,884,948 19,719,722
2024-03-31 $472,953,185 17,542,774
2023-12-31 $316,330,459 10,450,296
2023-09-30 $294,948,460 9,234,454
2023-06-30 $366,211,926 8,112,803
2023-03-31 $386,706,825 8,058,071
2022-12-31 $168,765,323 5,621,763
2022-09-30 $76,441,240 3,498,455
2022-06-30 $73,427,380 3,548,931
2022-03-31 $132,870,506 4,678,539
2021-12-31 $138,996,902 3,841,816
2021-09-30 $2,863,519 89,597
2021-06-30 $81,354 2,937
2021-03-31 $252,942 9,978
2020-12-31 $11,801,261 442,658