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Allegro MicroSystems
ALGM

Overview Fund Activity

289 hedge funds and large institutions have $3.93B invested in Allegro MicroSystems in 2025 Q1 according to their latest regulatory filings, with 71 funds opening new positions, 104 increasing their positions, 80 reducing their positions, and 34 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
289
Holders Change
+35
Holders Change %
+13.78%
% of All Funds
3.93%
Holding in Top 10
5
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+150%
% of All Funds
0.07%
New
71
Increased
104
Reduced
80
Closed
34
Calls
$38.2M
Puts
$78.8M
Net Calls
-$40.6M
Net Calls Change
-$53.4M

Top Buyers

1
Capital Research Global Investors
Capital Research Global Investors
California
+$133M
2
Fidelity Investments
Fidelity Investments
Massachusetts
+$104M
3
FCM
Frontier Capital Management
Massachusetts
+$70.8M
4
Citadel Advisors
Citadel Advisors
Florida
+$69.3M
5
Invesco
Invesco
Georgia
+$69M

Top Sellers

1
Westfield Capital Management
Westfield Capital Management
Massachusetts
-$48.9M
2
WP
Woodline Partners
California
-$45.6M
3
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
-$38.6M
4
PP
Paloma Partners
Connecticut
-$35.1M
5
Two Sigma Investments
Two Sigma Investments
New York
-$33.3M
Name Holding Trade Value Shares
Change 		Shares
Change %
T. Rowe Price Associates
101
T. Rowe Price Associates
Maryland
$1.94M -$54.7K -2,175 -3%
MIM
102
MetLife Investment Management
New Jersey
$1.82M -$28.9K -1,150 -2%
MOACM
103
Mutual of America Capital Management
New York
$1.69M -$43.3K -1,722 -2%
AB
104
Amalgamated Bank
New York
$1.52M -$37.8K -1,503 -2%
LPL Financial
105
LPL Financial
California
$1.48M +$489K +19,471 +49%
OTL
106
Oak Thistle LLC
New York
$1.47M +$727K +28,930 +97%
CDIEC
107
Crédit Industriel et Commercial
France
$1.41M +$1.41M +56,206 New
New York State Common Retirement Fund
108
New York State Common Retirement Fund
New York
$1.36M -$8.49M -338,157 -86%
Treasurer of the State of North Carolina
109
Treasurer of the State of North Carolina
North Carolina
$1.35M -$10.8K -430 -0.8%
EI
110
Ecofi Investissements
France
$1.31M – – –
NIM
111
Needham Investment Management
New York
$1.26M -$1.01M -40,000 -44%
TPSF
112
Texas Permanent School Fund
Texas
$1.18M +$1.18M +61,683 New
AI
113
Atom Investors
Texas
$1.16M -$470K -18,700 -29%
YCM
114
Yousif Capital Management
Michigan
$1.12M -$31.1K -1,236 -3%
Group One Trading
115
Group One Trading
Illinois
$1.11M +$236K +9,385 +27%
PFSRSONJ
116
Police & Firemen's Retirement System of New Jersey
New Jersey
$1.06M -$74.2K -2,953 -7%
QCM
117
Quantinno Capital Management
New York
$999K +$547K +21,751 +121%
TRSOTSOK
118
Teachers Retirement System of the State of Kentucky
Kentucky
$996K +$425K +16,900 +74%
Natixis Advisors
119
Natixis Advisors
Massachusetts
$969K +$311K +12,392 +47%
MNBTD
120
Moody National Bank Trust Division
Texas
$967K +$967K +38,467 New
Zurich Cantonal Bank
121
Zurich Cantonal Bank
Switzerland
$935K +$110K +4,366 +13%
ASRS
122
Arizona State Retirement System
Arizona
$927K -$10.1K -400 -1%
Ohio Public Employees Retirement System (OPERS)
123
Ohio Public Employees Retirement System (OPERS)
Ohio
$922K -$150K -5,980 -14%
LSERS
124
Louisiana State Employees Retirement System
Louisiana
$920K +$7.54K +300 +0.8%
HSBC Holdings
125
HSBC Holdings
United Kingdom
$902K -$452K -17,999 -33%
3 4
5
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