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Allegro MicroSystems
ALGM

Overview Fund Activity

268 hedge funds and large institutions have $4.99B invested in Allegro MicroSystems in 2025 Q2 according to their latest regulatory filings, with 53 funds opening new positions, 93 increasing their positions, 101 reducing their positions, and 68 closing their positions.

Holders
268
Holders Change
-21
Holders Change %
-7.27%
% of All Funds
3.6%
Holding in Top 10
1
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-80%
% of All Funds
0.01%
New
53
Increased
93
Reduced
101
Closed
68
Calls
$29.3M
Puts
$236M
Net Calls
-$206M
Net Calls Change
-$166M

Top Buyers

1
Capital Research Global Investors
1
Capital Research Global Investors
California
$544M
2
AllianceBernstein
2
AllianceBernstein
Tennessee
$94.4M
3
Invesco
3
Invesco
Georgia
$214M
4
Norges Bank
4
Norges Bank
Norway
$48.1M
5
Neuberger Berman Group
5
Neuberger Berman Group
New York
$42.5M

Top Sellers

1
Citadel Advisors
1
Citadel Advisors
Florida
$51.9M
2
Millennium Management
2
Millennium Management
New York
$23.2M
3
FGP
3
Freestone Grove Partners
California
$0
4
SPPAM
4
Summit Partners Public Asset Management
Massachusetts
$39.5M
5
JPMorgan Chase & Co
5
JPMorgan Chase & Co
New York
$274M
Name Market Value Shares Shares
Change 		Shares
Change %
Charles Schwab
26
Charles Schwab
California
$42.4M 1,239,325 +72,410 +6%
SPPAM
27
Summit Partners Public Asset Management
Massachusetts
$39.5M 1,154,000 -1,117,600 -49%
Northern Trust
28
Northern Trust
Illinois
$36.2M 1,058,724 -31,055 -3%
Bank of New York Mellon
29
Bank of New York Mellon
New York
$35.6M 1,042,420 +45,847 +5%
Royal Bank of Canada
30
Royal Bank of Canada
Ontario, Canada
$29M 848,511 +730,588 +620%
VOYA Investment Management
31
VOYA Investment Management
Georgia
$24.5M 716,443 +47,431 +7%
GKIM
32
GW&K Investment Management
Massachusetts
$24.1M 704,818 -349,938 -33%
SAM
33
Silvercrest Asset Management
New York
$23.6M 690,365 +31,004 +5%
Millennium Management
34
Millennium Management
New York
$23.2M 679,618 -1,723,360 -72%
Loomis, Sayles & Company
35
Loomis, Sayles & Company
Massachusetts
$22.8M 666,361 -374,221 -36%
UBS Group
36
UBS Group
Switzerland
$22.6M 659,640 -800,778 -55%
First Trust Advisors
37
First Trust Advisors
Illinois
$19.7M 576,478 +29,531 +5%
Massachusetts Financial Services
38
Massachusetts Financial Services
Massachusetts
$17.5M 513,045 -97,122 -16%
UBS AM
39
UBS AM
Illinois
$16.5M 483,323 +128,713 +36%
Bank of America
40
Bank of America
North Carolina
$15.7M 458,769 -834,466 -65%
SSA
41
Schonfeld Strategic Advisors
New York
$14.9M 435,308 -601,056 -58%
Ameriprise
42
Ameriprise
Minnesota
$14.3M 417,154 -86,072 -17%
SST
43
S Squared Technology
New York
$13.6M 397,451 – –
Allspring Global Investments
44
Allspring Global Investments
North Carolina
$13.5M 391,104 -3,468 -0.9%
Two Sigma Investments
45
Two Sigma Investments
New York
$11.9M 346,806 +237,814 +218%
RhumbLine Advisers
46
RhumbLine Advisers
Massachusetts
$11.3M 329,870 -393 -0.1%
TAM
47
Trillium Asset Management
Massachusetts
$10.6M 310,829 -15,763 -5%
Point72 Asset Management
48
Point72 Asset Management
Connecticut
$10.1M 294,555 +294,555 New
PC
49
Pier Capital
Connecticut
$8.96M 262,153 -22,614 -8%
Swiss National Bank
50
Swiss National Bank
Switzerland
$8.42M 246,200 -3,300 -1%
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