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NasdaqGS - Delayed Quote USD

Allegro MicroSystems, Inc. (ALGM)

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25.91
-0.27
(-1.03%)
At close: 4:00:01 PM EDT
25.11
-0.80
(-3.09%)
After hours: 5:31:01 PM EDT

Major Holders

Breakdown
33.31% % of Shares Held by All Insider
78.07% % of Shares Held by Institutions
117.08% % of Float Held by Institutions
368 Number of Institutions Holding Shares

Top Institutional Holders

HolderSharesDate Reported% OutValue
FMR, LLC 22.77M Dec 31, 2024 12.37% 590,087,058
Vanguard Group Inc 14.08M Dec 31, 2024 7.65% 364,889,154
Blackrock Inc. 11.76M Dec 31, 2024 6.39% 304,639,621
JPMORGAN CHASE & CO 10.53M Dec 31, 2024 5.72% 272,871,344
State Street Corporation 5.88M Dec 31, 2024 3.19% 152,285,557
Capital Research Global Investors 5.77M Dec 31, 2024 3.13% 149,454,268
Wellington Management Group, LLP 3.99M Dec 31, 2024 2.17% 103,476,300
ClearBridge Investments, LLC 3.38M Dec 31, 2024 1.84% 87,705,271
Adage Capital Partners GP L.L.C. 2.73M Dec 31, 2024 1.48% 70,826,539
Morgan Stanley 2.66M Dec 31, 2024 1.44% 68,837,635

Top Mutual Fund Holders

HolderSharesDate Reported% OutValue
Fidelity Select Portfolios-Semiconductors Portfolio 8.91M Feb 28, 2025 4.84% 230,771,092
SMALLCAP WORLD FUND INC 5.23M Dec 31, 2024 2.84% 135,599,984
iShares Trust-iShares Core S&P Mid-Cap ETF 4.25M Feb 28, 2025 2.31% 110,046,687
VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund 3.74M Dec 31, 2024 2.03% 97,024,269
VANGUARD INDEX FUNDS-Vanguard Small-Cap Index Fund 3.05M Dec 31, 2024 1.65% 78,926,834
VANGUARD WORLD FUND-Vanguard Information Technology Index Fund 2.74M Nov 30, 2024 1.49% 70,925,800
Fidelity Securities Fund-Fidelity Small Cap Value Fund 2.23M Jan 31, 2025 1.21% 57,779,299
JPMorgan Trust I-JPMorgan Small Cap Equity Fund 2.13M Dec 31, 2024 1.16% 55,300,256
VANGUARD INDEX FUNDS-Vanguard Extended Market Index Fund 1.99M Dec 31, 2024 1.08% 51,432,904
SPDR SERIES TRUST-SPDR(R) S&P(R) Semiconductor ETF 1.88M Feb 28, 2025 1.02% 48,795,551

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