Allegro MicroSystems Ownership | Who Owns Allegro MicroSystems?
Allegro MicroSystems Ownership Summary
Allegro MicroSystems is owned by 84.87% institutional investors, 33.47% insiders. Fmr is the largest institutional shareholder, holding 12.04% of ALGM shares. Fidelity Select Semiconductors is the top mutual fund, with 6.72% of its assets in Allegro MicroSystems shares.
ALGM Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Allegro MicroSystems | 84.87% | 33.47% | -18.34% |
| Sector | Technology Stocks | 38.56% | 12.67% | 48.77% |
| Idea | Semiconductor Stocks List | 48.74% | 7.10% | 44.16% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Fmr | 22.77M | 12.04% | $497.85M |
| Vanguard group | 14.08M | 7.44% | $307.85M |
| Blackrock funding, inc. /de | 11.76M | 6.21% | $257.02M |
| Jpmorgan chase | 10.53M | 5.57% | $230.22M |
| Blackrock | 6.63M | 3.45% | $187.36M |
| State street | 5.88M | 3.19% | $128.48M |
| Capital research global investors | 5.77M | 3.05% | $126.09M |
| Wellington management group llp | 3.99M | 2.11% | $87.30M |
| Clearbridge investments | 3.38M | 1.79% | $74.00M |
| Adage capital partners gp | 2.73M | 1.44% | $59.76M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Kettle hill capital management | 823.00K | 3.91% | $17.99M |
| S squared | 367.45K | 3.34% | $8.03M |
| Analog century management lp | 2.00M | 2.93% | $43.75M |
| Paloma partners management | 2.10M | 2.05% | $45.99M |
| Pier capital | 442.82K | 1.38% | $9.68M |
| Ecofi investissements sa | 61.20K | 0.77% | $1.24M |
| Summit partners public asset management | 894.00K | 0.37% | $19.54M |
| Scout investments | 389.39K | 0.30% | $11.00M |
| Woodline partners lp | 1.83M | 0.27% | $40.08M |
| Yorktown management & research | 11.30K | 0.24% | $247.02K |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Schonfeld strategic advisors | 1.62M | 0.21% | 1.62M |
| Paloma partners management | 2.10M | 2.05% | 1.59M |
| Norges bank | 1.23M | 0.00% | 1.23M |
| Ubs group | 1.34M | 0.01% | 1.01M |
| Wellington management group llp | 3.99M | 0.02% | 934.05K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Fmr | 22.77M | 0.03% | -5.48M |
| Manufacturers life insurance company, the | 102.28K | 0.00% | -2.05M |
| Ameriprise financial | 360.52K | 0.00% | -1.59M |
| Morgan stanley | 2.08M | 0.00% | -1.44M |
| Artisan partners limited partnership | - | - | -1.43M |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Schonfeld strategic advisors | 1.62M | 0.21% | 1.62M | $35.43M |
| Norges bank | 1.23M | 0.00% | 1.23M | $26.93M |
| Kettle hill capital management | 823.00K | 3.91% | 823.00K | $17.99M |
| Raymond james financial | 692.84K | 0.01% | 692.84K | $15.15M |
| Bnp paribas arbitrage, snc | 639.26K | 0.01% | 639.26K | $13.97M |
Sold Out
| Holder | Change |
|---|---|
| Quest partners | -1.00 |
| Financial gravity asset management | -1.00 |
| Claris advisors, llc / mo / | -2.00 |
| Sjs investment consulting | -7.00 |
| Raleigh capital management | -10.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2025 | 313 | 12.59% | 156,307,245 | 9.92% | 84 | 1.42% | 176 | 35.38% | 81 | -27.03% |
| Dec 31, 2024 | 277 | 2.59% | 142,162,783 | 0.57% | 77 | 1.38% | 130 | -17.72% | 110 | 50.68% |
| Sep 30, 2024 | 268 | -6.29% | 141,128,709 | 31.62% | 74 | 2.43% | 157 | 4.67% | 72 | -20.00% |
| Jun 30, 2024 | 284 | -4.70% | 107,220,294 | 3.33% | 55 | 1.92% | 148 | 0.68% | 90 | -9.09% |
| Mar 31, 2024 | 298 | -4.79% | 103,767,915 | 7.73% | 53 | 2.16% | 147 | -15.52% | 99 | 5.32% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Fidelity Select Semiconductors | 12.37M | 6.72% | 3.46M |
| American Funds SMALLCAP World A | 10.00M | 5.43% | 4.76M |
| iShares Core S&P Mid-Cap ETF | 4.25M | 2.30% | 2.78K |
| Vanguard US Total Market Shares ETF | 4.00M | 2.17% | 890.47K |
| Vanguard Total Stock Mkt Idx Inv | 3.85M | 2.09% | 78.94K |
| Vanguard Small Cap Index | 3.00M | 1.63% | 15.61K |
| Vanguard Information Technology ETF | 2.87M | 1.56% | 21.35K |
| Invesco Small Cap Value A | 2.60M | 1.41% | 2.33M |
| Fidelity Small Cap Value Fund | 2.23M | 1.21% | - |
| Vanguard Institutional Extnd Mkt Idx Tr | 2.02M | 1.10% | 18.75K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Jun 04, 2025 | Lury Richard R. | - | Sell | $189.04K |
| Nov 18, 2024 | Doogue Michael | SVP, CTO | Buy | $285.00K |
| Nov 05, 2024 | Nargolwala Vineet A | President and CEO | Buy | $95.47K |
| Nov 05, 2024 | Nargolwala Vineet A | President and CEO | Buy | $3.97K |
| Aug 07, 2024 | Sanken Electric Co., Ltd. | - | Sell | $232.00M |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q2 | - | 1 |
| 2025 Q1 | - | - |
| 2024 Q4 | 3 | - |
| 2024 Q3 | - | 2 |
| 2024 Q2 | - | 1 |
ALGM Ownership FAQ
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