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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 %
GLF
126
Groupe la Francaise
France
$878K +$878K +37,137 New
Victory Capital Management
127
Victory Capital Management
Texas
$872K -$121K -4,820 -12%
IMC Chicago
128
IMC Chicago
Illinois
$871K +$871K +34,676 New
New York State Teachers Retirement System (NYSTRS)
129
New York State Teachers Retirement System (NYSTRS)
New York
$849K +$274K +10,900 +48%
AAP
130
Ardsley Advisory Partners
Connecticut
$817K +$817K +32,500 New
SG Americas Securities
131
SG Americas Securities
New York
$805K +$805K +32,030 New
GIM
132
Granahan Investment Management
Massachusetts
$803K -$4.27M -169,861 -84%
NMERB
133
New Mexico Educational Retirement Board
New Mexico
$801K – – –
AA
134
ALPS Advisors
Colorado
$796K -$294K -11,685 -27%
SOMRS
135
State of Michigan Retirement System
Michigan
$787K +$10.1K +400 +1%
Handelsbanken Fonder
136
Handelsbanken Fonder
Sweden
$784K -$131K -5,200 -14%
Sumitomo Mitsui Trust Group
137
Sumitomo Mitsui Trust Group
Japan
$771K – – –
Thrivent Financial for Lutherans
138
Thrivent Financial for Lutherans
Minnesota
$770K -$2.14K -85 -0.3%
BPC
139
Bryce Point Capital
New York
$754K -$910K -36,183 -55%
NMIMC
140
Northwestern Mutual Investment Management Company
Wisconsin
$730K +$829 +33 +0.1%
VPIM
141
Vanguard Personalized Indexing Management
California
$678K +$234K +9,322 +53%
Mirae Asset Global Investments
142
Mirae Asset Global Investments
South Korea
$668K +$104K +4,185 +18%
OPERF
143
Oregon Public Employees Retirement Fund
Oregon
$667K – – –
Simplex Trading
144
Simplex Trading
Illinois
$665K +$665K +26,468 New
Deutsche Bank
145
Deutsche Bank
Germany
$662K +$2.39K +95 +0.4%
AIP
146
Ameritas Investment Partners
Nebraska
$658K – – –
KK
147
KLP Kapitalforvaltning
Norway
$626K -$67.9K -2,700 -10%
Creative Planning
148
Creative Planning
Kansas
$624K +$354K +14,070 +131%
CT
149
ClearAlpha Technologies
Connecticut
$603K +$603K +24,000 New
Ensign Peak Advisors
150
Ensign Peak Advisors
Utah
$590K – – –
4 5
6
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