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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 %
QL
201
Quarry LP
New York
$168K +$77.6K +3,088 +86%
SCM
202
Sterling Capital Management
North Carolina
$164K -$21.5K -855 -12%
FIA
203
FNY Investment Advisers
New York
$163K +$163K +6,500 New
KBC Group
204
KBC Group
Belgium
$154K -$407K -16,208 -73%
Osaic Holdings
205
Osaic Holdings
Arizona
$135K -$18.4K -731 -12%
Carson Wealth (CWM LLC)
206
Carson Wealth (CWM LLC)
Nebraska
$108K +$19.6K +781 +22%
GI
207
GAMMA Investing
California
$104K +$61.7K +2,454 +144%
SSG
208
Summit Securities Group
New York
$101K +$72.4K +2,882 +258%
1IA
209
1620 Investment Advisors
Massachusetts
$86.4K +$86.4K +3,440 New
CM
210
Caption Management
Oklahoma
$77.9K +$77.9K +3,100 New
SOW
211
State of Wyoming
Wyoming
$74.3K +$7.11K +283 +11%
DekaBank Deutsche Girozentrale
212
DekaBank Deutsche Girozentrale
Germany
$71K +$71K +2,909 New
CCM
213
Coldstream Capital Management
Washington
$68.6K +$68.6K +2,730 New
Canada Pension Plan Investment Board
214
Canada Pension Plan Investment Board
Ontario, Canada
$60.3K +$60.3K +2,400 New
TWC
215
TD Waterhouse Canada
Ontario, Canada
$43.4K -$4.26K -163 -9%
PA
216
Parallel Advisors
California
$42.5K +$7.04K +280 +20%
CA
217
CoreCap Advisors
Michigan
$36.1K +$9.98K +397 +38%
UB
218
UMB Bank
Missouri
$35.7K +$14.5K +578 +69%
Fifth Third Bancorp
219
Fifth Third Bancorp
Ohio
$32.5K +$12.7K +504 +64%
QC
220
Quent Capital
New York
$25.7K – – –
EWA
221
EverSource Wealth Advisors
Alabama
$25.5K +$22.4K +893 +738%
HNB
222
Huntington National Bank
Ohio
$25.1K +$905 +36 +4%
QCG
223
Quadrant Capital Group
Ohio
$23.5K +$21.3K +849 +987%
BIG
224
Brooklyn Investment Group
New York
$21.8K +$15.6K +620 +252%
Nisa Investment Advisors
225
Nisa Investment Advisors
Missouri
$21.5K +$7.49K +298 +54%
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9
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