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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 %
M&T Bank
301
M&T Bank
New York
– -$776K -35,503 Closed
AIC
302
Aurora Investment Counsel
Georgia
– -$686K -31,373 Closed
EGM
303
Engineers Gate Manager
New York
– -$450K -20,564 Closed
Toronto Dominion Bank
304
Toronto Dominion Bank
Ontario, Canada
– -$417K -19,085 Closed
Mackenzie Financial
305
Mackenzie Financial
Ontario, Canada
– -$398K -18,192 Closed
Nomura Holdings
306
Nomura Holdings
Japan
– -$379K -17,333 Closed
AWM
307
Avior Wealth Management
Nebraska
– -$321K -14,691 Closed
LCM
308
Landscape Capital Management
New Jersey
– -$313K -14,318 Closed
ACM
309
Aster Capital Management
United Arab Emirates
– -$186K -8,524 Closed
PEAK6
310
PEAK6
Illinois
– -$78.8K -3,607 Closed
VWM
311
Venturi Wealth Management
Texas
– -$47.5K -2,172 Closed
BC
312
Bayforest Capital
United Kingdom
– -$38.2K -1,747 Closed
CIAM
313
Caitong International Asset Management
Hong Kong
– -$26.6K -1,215 Closed
MFG
314
Mendota Financial Group
Wisconsin
– -$6.78K -310 Closed
CAS
315
Coppell Advisory Solutions
Texas
– -$6.54K -303 Closed
JFGIW
316
Johnson Financial Group Inc (Wisconsin)
Wisconsin
– -$3.23K -134 Closed
CT
317
Colonial Trust
South Carolina
– -$2.75K -126 Closed
CTC
318
Central Trust Company
Missouri
– -$1.09K -50 Closed
PA
319
Pineridge Advisors
Missouri
– -$1.03K -47 Closed
PAM
320
Parvin Asset Management
South Dakota
– -$656 -30 Closed
RCM
321
Raleigh Capital Management
North Carolina
– -$219 -10 Closed
A
322
AlphaQuest
New York
– -$22 -1 Closed
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