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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 %
Bank of America
26
Bank of America
North Carolina
$32.5M +$24M +953,785 +281%
T. Rowe Price Investment Management
27
T. Rowe Price Investment Management
Maryland
$32.2M -$19.7M -785,633 -38%
Charles Schwab
28
Charles Schwab
California
$29.3M +$793K +31,568 +3%
Northern Trust
29
Northern Trust
Illinois
$27.4M +$386K +15,346 +1%
GKIM
30
GW&K Investment Management
Massachusetts
$26.5M +$614K +24,434 +2%
Loomis, Sayles & Company
31
Loomis, Sayles & Company
Massachusetts
$26.2M +$4.2M +167,115 +19%
SSA
32
Schonfeld Strategic Advisors
New York
$26M -$14.7M -584,524 -36%
Bank of New York Mellon
33
Bank of New York Mellon
New York
$25M -$1.6M -63,578 -6%
Raymond James Financial
34
Raymond James Financial
Florida
$25M +$7.55M +300,505 +43%
AllianceBernstein
35
AllianceBernstein
Tennessee
$24M +$10.7M +425,516 +81%
CCM
36
Cinctive Capital Management
New York
$23.7M +$23.7M +942,702 New
PP
37
Paloma Partners
Connecticut
$17.8M -$35.1M -1,394,832 -66%
VOYA Investment Management
38
VOYA Investment Management
Georgia
$16.8M +$16.4M +654,094 +4,385%
SAM
39
Silvercrest Asset Management
New York
$16.6M +$548K +21,790 +3%
Massachusetts Financial Services
40
Massachusetts Financial Services
Massachusetts
$15.3M -$11.6M -462,767 -43%
First Trust Advisors
41
First Trust Advisors
Illinois
$13.7M -$6.31M -251,104 -31%
OMC
42
Oasis Management Company
Cayman Islands
$13.3M +$13.3M +530,210 New
F
43
FIFTHDELTA
United Kingdom
$12.7M +$12.7M +505,600 New
Ameriprise
44
Ameriprise
Minnesota
$12.6M +$3.59M +142,702 +40%
Walleye Capital
45
Walleye Capital
New York
$12.3M -$5.68M -226,143 -32%
Alyeska Investment Group
46
Alyeska Investment Group
Illinois
$11.8M +$1.12M +44,588 +10%
Neuberger Berman Group
47
Neuberger Berman Group
New York
$11.5M +$11.5M +457,770 New
TAM
48
Talos Asset Management
New York
$11.3M -$7.38M -293,544 -40%
Allspring Global Investments
49
Allspring Global Investments
North Carolina
$10.3M +$9.74M +371,987 +1,647%
SST
50
S Squared Technology
New York
$9.99M +$754K +30,000 +8%
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