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Allegro MicroSystems
ALGM

Overview Fund Activity

271 hedge funds and large institutions have $5B invested in Allegro MicroSystems in 2025 Q2 according to their latest regulatory filings, with 54 funds opening new positions, 94 increasing their positions, 102 reducing their positions, and 68 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
271
Holders Change
-18
Holders Change %
-6.23%
% of All Funds
3.63%
Holding in Top 10
1
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-80%
% of All Funds
0.01%
New
54
Increased
94
Reduced
102
Closed
68
Calls
$33M
Puts
$261M
Net Calls
-$228M
Net Calls Change
-$188M

Top Buyers

1
Capital Research Global Investors
Capital Research Global Investors
California
+$166M
2
AllianceBernstein
AllianceBernstein
Tennessee
+$61.8M
3
Invesco
Invesco
Georgia
+$48.5M
4
Neuberger Berman Group
Neuberger Berman Group
New York
+$26.9M
5
Royal Bank of Canada
Royal Bank of Canada
Ontario, Canada
+$25M

Top Sellers

1
Citadel Advisors
Citadel Advisors
Florida
-$96.2M
2
Millennium Management
Millennium Management
New York
-$58.9M
3
FGP
Freestone Grove Partners
California
-$40.3M
4
SPPAM
Summit Partners Public Asset Management
Massachusetts
-$38.2M
5
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
-$33.6M
Name Holding Trade Value Shares
Change 		Shares
Change %
F
276
FIFTHDELTA
United Kingdom
– -$12.7M -505,600 Closed
Alyeska Investment Group
277
Alyeska Investment Group
Illinois
– -$11.8M -469,589 Closed
TAM
278
Talos Asset Management
New York
– -$11.3M -449,600 Closed
Westfield Capital Management
279
Westfield Capital Management
Massachusetts
– -$7.63M -303,672 Closed
MCP
280
Meridiem Capital Partners
Texas
– -$6.28M -249,920 Closed
PAMP
281
Polar Asset Management Partners
Ontario, Canada
– -$5.83M -232,055 Closed
OCM
282
Osterweis Capital Management
California
– -$4.51M -179,290 Closed
TAL
283
TIG Advisors LLC
New York
– -$4.05M -161,253 Closed
CF
284
Corebridge Financial
Texas
– -$3.63M -144,303 Closed
Jane Street
285
Jane Street
New York
– -$2.66M -105,698 Closed
Holocene Advisors
286
Holocene Advisors
New York
– -$2.35M -93,404 Closed
KHCM
287
Kettle Hill Capital Management
New York
– -$2.35M -93,393 Closed
Squarepoint
288
Squarepoint
New York
– -$2.2M -87,580 Closed
NAAA
289
New Age Alpha Advisors
New York
– -$2.14M -85,071 Closed
RA
290
Royce & Associates
New York
– -$1.96M -78,153 Closed
CDIEC
291
Crédit Industriel et Commercial
France
– -$1.41M -56,206 Closed
AI
292
Atom Investors
Texas
– -$1.16M -46,016 Closed
GLF
293
Groupe la Francaise
France
– -$878K -37,137 Closed
IMC Chicago
294
IMC Chicago
Illinois
– -$871K -34,676 Closed
AAP
295
Ardsley Advisory Partners
Connecticut
– -$817K -32,500 Closed
GIM
296
Granahan Investment Management
Massachusetts
– -$803K -31,956 Closed
BPC
297
Bryce Point Capital
New York
– -$754K -29,971 Closed
Simplex Trading
298
Simplex Trading
Illinois
– -$665K -26,468 Closed
CT
299
ClearAlpha Technologies
Connecticut
– -$603K -24,000 Closed
PCM
300
Prelude Capital Management
New York
– -$557K -22,160 Closed
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