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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 %
VRS
176
Virginia Retirement Systems
Virginia
$331K +$331K +13,169 New
Pacer Advisors
177
Pacer Advisors
Pennsylvania
$328K -$1.16M -46,323 -78%
AQR Capital Management
178
AQR Capital Management
Connecticut
$325K +$325K +13,763 New
Russell Investments Group
179
Russell Investments Group
United Kingdom
$314K +$47.5K +1,892 +18%
CL
180
Choreo LLC
Illinois
$296K +$296K +11,762 New
B
181
Bailard
California
$292K – – –
YMRC
182
Yorktown Management & Research Company
Virginia
$284K – – –
AAS
183
Avantax Advisory Services
Texas
$278K +$278K +11,061 New
CB
184
Commerce Bank
Missouri
$275K -$2.76K -110 -1%
FT
185
Fiduciary Trust
Massachusetts
$271K +$271K +10,768 New
Prudential Financial
186
Prudential Financial
New Jersey
$263K +$263K +12,644 New
VA
187
Vident Advisory
Georgia
$253K +$253K +10,081 New
US Bancorp
188
US Bancorp
Minnesota
$250K +$188K +7,486 +304%
SAM
189
Securian Asset Management
Minnesota
$248K – – –
CF
190
Cantor Fitzgerald
New York
$247K +$247K +9,822 New
1C
191
111 Capital
France
$237K +$237K +9,443 New
Cetera Investment Advisers
192
Cetera Investment Advisers
Illinois
$236K -$96K -3,821 -29%
PA
193
Profund Advisors
Maryland
$233K -$27.7K -1,103 -11%
IFU
194
iSAM Funds (UK)
United Kingdom
$225K +$225K +8,961 New
CAM
195
Cresset Asset Management
Illinois
$202K +$202K +8,058 New
WTG
196
West Tower Group
Virginia
$201K +$201K +8,000 New
Public Employees Retirement Association of Colorado
197
Public Employees Retirement Association of Colorado
Colorado
$192K – – –
Federated Hermes
198
Federated Hermes
Pennsylvania
$188K -$165K -6,572 -47%
AssetMark Inc
199
AssetMark Inc
California
$181K -$7.87K -313 -4%
TRCT
200
Tower Research Capital (TRC)
New York
$171K -$339K -13,484 -66%
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