Allegro MicroSystems, Inc. ALGM

Set alert

33.66 USD +1.51 (+4.70%)

At closeNov 3, 2026, 4:26 PM EST

33.79 +0.13 +0.39%

After hours · Nov 3, 4:26 PM ET

32.98 Day range 34.85

22.41 52-week range 71.77

Held by insiders 32.53%

Held by institutions 81.18%

Float held by institutions 120.32%

Institutions 523

Top institutional holders
Holder	% held	Shares	Value	Reported
FMR, LLC	13.72%	25,581,021	861.06M	Jun 29, 2026
Blackrock Inc.	7.45%	13,889,324	467.51M	Jun 29, 2026
Invesco Ltd.	7.33%	13,678,393	460.41M	Jun 29, 2026
JPMORGAN CHASE & CO	6.82%	12,723,790	428.28M	Jun 29, 2026
Capital Research Global Investors	6.44%	12,006,396	404.14M	Jun 29, 2026
Vanguard Portfolio Management LLC	4.11%	7,668,472	258.12M	Jun 29, 2026

Top mutual fund holders
Holder	% held	Shares	Value	Reported
Fidelity Select Portfolios-Select Semiconductors Portfolio	6.41%	11,954,087	402.37M	Aug 30, 2026
Capital World Growth & Income Fund	3.18%	5,926,903	199.50M	Sep 29, 2026
iShares Trust-iShares Core S&P Mid-Cap ETF	2.42%	4,517,141	152.05M	Sep 29, 2026
AIM Sector Funds (Invesco Sector Funds)-Invesco Small Cap Value Fund	2.38%	4,439,786	149.44M	Jul 30, 2026
SmallCap World Fund Inc	2.35%	4,387,586	147.69M	Sep 29, 2026
VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund	2.06%	3,841,201	129.29M	Jun 29, 2026

ALGM insiders
Insider	Relation	Latest transaction	Date	Shares held
BRIANSKY SHARON	General Counsel	Stock Award(Grant)	May 12, 2026	93,695
COLEMAN TROY	Officer	Sale	May 21, 2026	77,476
D'ANTILIO DEREK P.	Chief Financial Officer	Stock Award(Grant)	May 12, 2026	276,653
DOOGUE MICHAEL C	Chief Executive Officer	Stock Award(Grant)	May 12, 2026	592,381
HAGEN ERIN	Officer	Stock Award(Grant)	May 12, 2026	39,152
KENT IAN	Officer	Sale	May 17, 2026	25,392

Held by funds