2m 2m 2m 2m 2m 2m 2m
ALLEGRO MICRO (ALGM)
NASDAQ
$37.13-$0.03 (-0.09%)
Price as of Aug 21, 2026 7:44 PM EDT- $6.9BMarket Cap
- 15.66%1-Year Change
- SemiconductorsIndustry
ALLEGRO MICRO (ALGM)
$37.13-$0.03 (-0.09%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
FMR LLC | 13.73% | 25.6M | -1.8M (-7.19%) | Jun 30, 2026 |
VANGUARD GROUP INC | 7.62% | 14.2M | -90,937 (-0.64%) | Dec 31, 2025 |
BLACKROCK, INC. | 7.45% | 13.9M | +1.4M (+10.04%) | Jun 30, 2026 |
INVESCO LTD. | 7.34% | 13.7M | +4.9M (+36.02%) | Jun 30, 2026 |
JPMORGAN CHASE & CO | 6.83% | 12.7M | +4.1M (+32.00%) | Jun 30, 2026 |
CAPITAL RESEARCH GLOBAL INVESTORS | 6.44% | 12.0M | -429,162 (-3.57%) | Jun 30, 2026 |
BLACKROCK FUNDING, INC. /DE | 6.31% | 11.8M | -1.1M (-9.23%) | Dec 31, 2024 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
FIDELITY SELECT PORTFOLIOS | 8.98% | 16.7M | +350,366 (+2.09%) | May 31, 2026 |
VANGUARD INDEX FUNDS | 5.13% | 9.6M | +146,471 (+1.53%) | Mar 31, 2026 |
CAPITAL WORLD GROWTH & INCOME FUND | 3.18% | 5.9M | 0 (0.00%) | May 31, 2026 |
SMALLCAP WORLD FUND INC | 3.03% | 5.7M | -608,028 (-10.76%) | Mar 31, 2026 |
AIM SECTOR FUNDS (INVESCO SECTOR FUNDS) | 2.54% | 4.7M | +801,343 (+16.91%) | Apr 30, 2026 |
VANGUARD WORLD FUND | 1.69% | 3.1M | -123,792 (-3.93%) | May 31, 2026 |
FIDELITY ADVISOR SERIES VII | 1.37% | 2.5M | +383,200 (+15.06%) | Apr 30, 2026 |
Current Ownership Distribution
- Institutions2.2B (70.41%)
- Mutual Funds859.1M (26.99%)
- Insiders83.0M (2.61%)
- Other0 (0.00%)
Insider Transactions
- 2.61% (83.0M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 4Number of InsiderSelling (last 12 months)
- $9.6MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Raubacher Jennie | Sell | Aug 17, 2026 | $45,320.00 | 1,000 | $45.32 | 13,976 |
Hagen Erin SVP, CHRO | Sell | Aug 10, 2026 | $101,431.15 | 2,285 | $44.39 | 31,052 |
Raubacher Jennie | Award | Aug 05, 2026 | $0.00 | 4,251 | $0.00 | 4,251 |
PUMA MARY G | Award | Aug 05, 2026 | $0.00 | 4,251 | $0.00 | 21,734 |
Willett Robert | Award | Aug 05, 2026 | $0.00 | 4,251 | $0.00 | 4,251 |
MARTIN JOSEPH R | Award | Aug 05, 2026 | $0.00 | 4,251 | $0.00 | 39,430 |
WHITE BRIAN C | Award | Aug 05, 2026 | $0.00 | 4,251 | $0.00 | 4,251 |
WHITE BRIAN C | Award | Jun 17, 2026 | $0.00 | 594 | $0.00 | 594 |
Madormo Richard SVP, Worldwide Sales | Return | Mar 24, 2026 | $211,704.84 | 6,498 | $32.58 | 60,311 |
Briansky Sharon SVP, GC and Secretary | Sell | Mar 02, 2026 | $340,445.00 | 9,727 | $35.00 | 84,180 |
Hagen Erin SVP, CHRO | Sell | Mar 02, 2026 | $90,930.00 | 2,598 | $35.00 | 30,094 |
D'Antilio Derek EVP, CFO & Treasurer | In Kind | Feb 27, 2026 | $364,517.65 | 9,995 | $36.47 | 216,776 |
Briansky Sharon SVP, GC and Secretary | In Kind | Feb 27, 2026 | $332,132.29 | 9,107 | $36.47 | 93,907 |
Hagen Erin SVP, CHRO | In Kind | Feb 27, 2026 | $72,794.12 | 1,996 | $36.47 | 32,692 |
Briansky Sharon SVP, GC and Secretary | Sell | Feb 17, 2026 | $384,762.48 | 9,258 | $41.56 | 103,014 |
D'Antilio Derek EVP, CFO & Treasurer | In Kind | Feb 13, 2026 | $754,703.04 | 17,808 | $42.38 | 226,771 |
Briansky Sharon SVP, GC and Secretary | In Kind | Feb 13, 2026 | $381,038.58 | 8,991 | $42.38 | 112,272 |
Kent Ian SVP, Global Operations | Award | Feb 02, 2026 | $0.00 | 9,183 | $0.00 | 21,887 |
Coleman Troy SVP, General Manager, Products | Award | Nov 11, 2025 | $0.00 | 73,530 | $0.00 | 73,530 |
Webster Roald Graham VP, Chief Accounting Officer | Sell | Aug 22, 2025 | $271,192.58 | 8,266 | $32.81 | 17,300 |
Lury Richard R. | Sell | Aug 12, 2025 | $222,672.80 | 7,000 | $31.81 | 18,857 |
Palepu Krishna G. | Award | Aug 07, 2025 | $0.00 | 5,932 | $0.00 | 9,961 |
Suzuki Yoshihiro | Award | Aug 07, 2025 | $0.00 | 5,932 | $0.00 | 213,560 |
MARTIN JOSEPH R | Award | Aug 07, 2025 | $0.00 | 5,932 | $0.00 | 35,179 |
PUMA MARY G | Award | Aug 07, 2025 | $0.00 | 5,932 | $0.00 | 17,483 |
Lury Richard R. | Award | Aug 07, 2025 | $0.00 | 5,932 | $0.00 | 25,857 |
Raubacher Jennie | Award | Aug 07, 2025 | $0.00 | 5,932 | $0.00 | 14,976 |
Lynch Susan D | Award | Aug 07, 2025 | $0.00 | 5,932 | $0.00 | 29,516 |
Hagen Erin SVP, CHRO | Sell | Aug 04, 2025 | $157,240.74 | 5,043 | $31.18 | 34,688 |
Lury Richard R. | Sell | Jun 04, 2025 | $189,035.82 | 6,849 | $27.60 | 23,025 |