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Allegro MicroSystems

286 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, 75 increasing their positions, 106 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)

29% less repeat investments, than reductions

Existing positions increased: 75 | Existing positions reduced: 106

91% less call options, than puts

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

Holders
286
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
Optiver Holding
251
Optiver Holding
Netherlands
$6.42K
CI Investments Inc
252
CI Investments Inc
Ontario, Canada
$6K
MPWT
253
MassMutual Private Wealth & Trust
Connecticut
$5.87K
RS
254
Rakuten Securities
Japan
$5.2K
LFA
255
LGT Financial Advisors
Texas
$4.58K
TC
256
Truvestments Capital
Florida
$4.5K
VCM
257
Versant Capital Management
Arizona
$4.29K
HI
258
Harbour Investments
Wisconsin
$3.83K
MG
259
Mather Group
Illinois
$3.65K
CWP
260
Concord Wealth Partners
Virginia
$3.5K
TWD
261
True Wealth Design
Ohio
$3.24K
PS
262
Principal Securities
Iowa
$3.04K
BIA
263
Bell Investment Advisors
California
$2.95K
WTC
264
WhitTier Trust Company
Nevada
$2.94K
FMII
265
Farmers & Merchants Investments Inc
Nebraska
$2.48K
Jones Financial Companies
266
Jones Financial Companies
Missouri
$1.81K
BTI
267
Blue Trust Inc
Georgia
$1.34K
RFP
268
Root Financial Partners
California
$1.23K
LFG
269
Larson Financial Group
Missouri
$1.11K
FFO
270
Fortitude Family Office
Arizona
$1.02K
GA
271
Guerra Advisors
Florida
$876
CPG
272
Cornerstone Planning Group
New Jersey
$809
HWA
273
Heartwood Wealth Advisors
Virginia
$788
BWL
274
Bogart Wealth LLC
Virginia
$672
BFS
275
Bare Financial Services
Pennsylvania
$672