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Allegro MicroSystems

290 hedge funds and large institutions have $3.97B invested in Allegro MicroSystems in 2025 Q3 according to their latest regulatory filings, with 65 funds opening new positions, 77 increasing their positions, 107 reducing their positions, and 43 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

more funds holding in top 10

Funds holding in top 10:

less ownership

Funds ownership:

21% less capital invested

Capital invested by funds: $5B → $3.97B (-$1.03B)

28% less repeat investments, than reductions

Existing positions increased: 77 | Existing positions reduced: 107

91% less call options, than puts

Call options by funds: $13.5M | Put options by funds: $158M

Holders
290
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$13.5M
Puts
$158M
Net Calls
Net Calls Change

Top Buyers

1 +$26.9M
2 +$20.2M
3 +$14.4M
4
Squarepoint
Squarepoint
New York
+$9.93M
5
CSS
Cubist Systematic Strategies
Connecticut
+$7.99M

Top Sellers

1 -$43.1M
2 -$42.9M
3 -$39.5M
4
Citadel Advisors
Citadel Advisors
Florida
-$34.7M
5
Neuberger Berman Group
Neuberger Berman Group
New York
-$29M
Name Holding Trade Value Shares
Change
Change in
Stake
GA
276
Guerra Advisors
Florida
$876
CPG
277
Cornerstone Planning Group
New Jersey
$809
HWA
278
Heartwood Wealth Advisors
Virginia
$788
BFS
279
Bare Financial Services
Pennsylvania
$672
BWL
280
Bogart Wealth LLC
Virginia
$672
CT
281
Clearstead Trust
Maine
$584
CH
282
Cromwell Holdings
Wyoming
$555
SC
283
SouthState Corp
Florida
$292
Kayne Anderson Rudnick Investment Management
284
Kayne Anderson Rudnick Investment Management
California
$263
CIBC Private Wealth Group
285
CIBC Private Wealth Group
Georgia
$263
IAS
286
IMA Advisory Services
Colorado
$234
GWSG
287
GPS Wealth Strategies Group
Colorado
$175
CFD
288
Creative Financial Designs
Indiana
$146
AUB
289
Atlantic Union Bankshares
Virginia
$146
TFM
290
TFC Financial Management
Massachusetts
$30
Norges Bank
291
Norges Bank
Norway
SPPAM
292
Summit Partners Public Asset Management
Massachusetts
Citigroup
293
Citigroup
New York
LN
294
Lightrock Netherlands
Netherlands
GIPM
295
G2 Investment Partners Management
New York
ECM
296
ExodusPoint Capital Management
New York
BA
297
Bridgewater Associates
Connecticut
IUHSA
298
Itau Unibanco Holding S.A.
Brazil
TPSF
299
Texas Permanent School Fund
Texas
PCM
300
Polymer Capital Management
New York