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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 %
SF
151
Synovus Financial
Georgia
$579K +$579K +23,034 New
AAM
152
Advisors Asset Management
Colorado
$570K +$88.5K +3,523 +18%
PCM
153
Prelude Capital Management
New York
$557K +$557K +22,160 New
Pathstone Holdings
154
Pathstone Holdings
New Jersey
$546K +$60.7K +2,416 +13%
VanEck Associates
155
VanEck Associates
New York
$536K -$24K -955 -4%
ProShare Advisors
156
ProShare Advisors
Maryland
$530K -$53.1K -2,114 -9%
GC
157
Guggenheim Capital
Illinois
$526K -$177K -7,054 -25%
EI
158
Ethic Inc
New York
$510K +$510K +19,477 New
Pictet Asset Management
159
Pictet Asset Management
Switzerland
$503K +$59.1K +2,353 +13%
WP
160
Woodline Partners
California
$483K -$45.6M -1,814,483 -99%
Teacher Retirement System of Texas
161
Teacher Retirement System of Texas
Texas
$473K +$473K +18,828 New
Bank of Montreal
162
Bank of Montreal
Ontario, Canada
$459K +$96.7K +3,846 +27%
CWM
163
Circle Wealth Management
New Jersey
$458K – – –
American Century Companies
164
American Century Companies
Missouri
$452K -$19.1K -760 -4%
KeyBank National Association
165
KeyBank National Association
Ohio
$430K +$135K +5,365 +46%
PNC Financial Services Group
166
PNC Financial Services Group
Pennsylvania
$411K +$27.4K +1,092 +7%
Wolverine Trading
167
Wolverine Trading
Illinois
$409K +$409K +16,433 New
X
168
Xponance
Pennsylvania
$394K +$20.3K +806 +5%
SOADOR
169
State of Alaska Department of Revenue
Alaska
$378K -$1.15M -45,949 -75%
BFM
170
Boothbay Fund Management
New York
$377K +$110K +4,383 +41%
SC
171
Shay Capital
New York
$377K +$377K +15,000 New
BPC
172
Banque Pictet & Cie
Switzerland
$359K +$359K +14,289 New
Universal-Beteiligungs- und Servicegesellschaft
173
Universal-Beteiligungs- und Servicegesellschaft
Germany
$355K +$355K +14,131 New
Corient Private Wealth
174
Corient Private Wealth
Florida
$341K +$341K +13,554 New
LCM
175
Legato Capital Management
California
$339K +$339K +13,500 New
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7
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