ALGM icon

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 %
Westfield Capital Management
276
Westfield Capital Management
Massachusetts
– – -303,672 Closed
MCP
277
Meridiem Capital Partners
Texas
– – -249,920 Closed
PAMP
278
Polar Asset Management Partners
Ontario, Canada
– – -232,055 Closed
OCM
279
Osterweis Capital Management
California
– – -179,290 Closed
TAL
280
TIG Advisors LLC
New York
– – -161,253 Closed
CF
281
Corebridge Financial
Texas
– – -144,303 Closed
Jane Street
282
Jane Street
New York
– – -105,698 Closed
Holocene Advisors
283
Holocene Advisors
New York
– – -93,404 Closed
KHCM
284
Kettle Hill Capital Management
New York
– – -93,393 Closed
Squarepoint
285
Squarepoint
New York
– – -87,580 Closed
NAAA
286
New Age Alpha Advisors
New York
– – -85,071 Closed
RA
287
Royce & Associates
New York
– – -78,153 Closed
CDIEC
288
Crédit Industriel et Commercial
France
– – -56,206 Closed
AI
289
Atom Investors
Texas
– – -46,016 Closed
GLF
290
Groupe la Francaise
France
– – -37,137 Closed
IMC Chicago
291
IMC Chicago
Illinois
– – -34,676 Closed
AAP
292
Ardsley Advisory Partners
Connecticut
– – -32,500 Closed
GIM
293
Granahan Investment Management
Massachusetts
– – -31,956 Closed
BPC
294
Bryce Point Capital
New York
– – -29,971 Closed
Simplex Trading
295
Simplex Trading
Illinois
– – -26,468 Closed
CT
296
ClearAlpha Technologies
Connecticut
– – -24,000 Closed
PCM
297
Prelude Capital Management
New York
– – -22,160 Closed
WP
298
Woodline Partners
California
– – -19,222 Closed
SC
299
Shay Capital
New York
– – -15,000 Closed
Pacer Advisors
300
Pacer Advisors
Pennsylvania
– – -13,043 Closed
10 11
12
13 14