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Allegro MicroSystems

290 hedge funds and large institutions have $3.6B invested in Allegro MicroSystems in 2025 Q4 according to their latest regulatory filings, with 55 funds opening new positions, 80 increasing their positions, 119 reducing their positions, and 51 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more ownership

Funds ownership:

more funds holding in top 10

Funds holding in top 10:

less funds holding

Funds holding:

9% less capital invested

Capital invested by funds: $3.97B → $3.6B (-$366M)

33% less repeat investments, than reductions

Existing positions increased: 80 | Existing positions reduced: 119

65% less call options, than puts

Call options by funds: $11.9M | Put options by funds: $34.3M

Holders
290
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$11.9M
Puts
$34.3M
Net Calls
Net Calls Change

Top Buyers

1 +$64.4M
2 +$61.3M
3 +$33.8M
4
BlackRock
BlackRock
New York
+$22.7M
5
ACM
Analog Century Management
New York
+$19.7M
Name Holding Trade Value Shares
Change
Change in
Stake
Canada Pension Plan Investment Board
151
Canada Pension Plan Investment Board
Ontario, Canada
$475K
IWC
152
Integrated Wealth Concepts
Massachusetts
$474K
Parallax Volatility Advisers
153
Parallax Volatility Advisers
California
$456K
TAP
154
TSG Advice Partners
Ohio
$453K
Universal-Beteiligungs- und Servicegesellschaft
155
Universal-Beteiligungs- und Servicegesellschaft
Germany
$451K
Rockefeller Capital Management
156
Rockefeller Capital Management
New York
$445K
Vontobel Holding
157
Vontobel Holding
Switzerland
$433K
LJAC
158
L.J. Altfest & Co
New York
$430K
VRS
159
Virginia Retirement Systems
Virginia
$427K
Corient Private Wealth
160
Corient Private Wealth
Florida
$408K
SG Americas Securities
161
SG Americas Securities
New York
$389K
VPIM
162
Vanguard Personalized Indexing Management
California
$376K
VA
163
Vident Advisory
Georgia
$375K
Bank of Montreal
164
Bank of Montreal
Ontario, Canada
$371K
Carson Wealth (CWM LLC)
165
Carson Wealth (CWM LLC)
Nebraska
$371K
CWM
166
Circle Wealth Management
New Jersey
$369K
Walleye Trading
167
Walleye Trading
New York
$366K
KeyBank National Association
168
KeyBank National Association
Ohio
$358K
Wealth Enhancement Advisory Services
169
Wealth Enhancement Advisory Services
Minnesota
$349K
Holocene Advisors
170
Holocene Advisors
New York
$342K
I
171
InceptionR
California
$341K
Mitsubishi UFJ Trust & Banking
172
Mitsubishi UFJ Trust & Banking
Japan
$336K
X
173
Xponance
Pennsylvania
$336K
Teacher Retirement System of Texas
174
Teacher Retirement System of Texas
Texas
$335K
SOADOR
175
State of Alaska Department of Revenue
Alaska
$320K