ALGM icon

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
Man Group
51
Man Group
United Kingdom
$6.29M
Jane Street
52
Jane Street
New York
$6.14M
Legal & General Group
53
Legal & General Group
United Kingdom
$5.75M
Retirement Systems of Alabama
54
Retirement Systems of Alabama
Alabama
$5.57M
TI
55
Trexquant Investment
Connecticut
$5.53M
TAM
56
Trillium Asset Management
Massachusetts
$4.86M
Two Sigma Investments
57
Two Sigma Investments
New York
$4.71M
Wells Fargo
58
Wells Fargo
California
$4.43M
Barclays
59
Barclays
United Kingdom
$4.41M
ACH
60
ArrowMark Colorado Holdings
Colorado
$4.37M
BNP Paribas Financial Markets
61
BNP Paribas Financial Markets
France
$4.22M
Marshall Wace
62
Marshall Wace
United Kingdom
$4.03M
CM
63
Castleark Management
Illinois
$3.9M
Susquehanna International Group
64
Susquehanna International Group
Pennsylvania
$3.7M
GAM
65
Gotham Asset Management
New York
$3.64M
IMC Chicago
66
IMC Chicago
Illinois
$3.59M
California State Teachers Retirement System (CalSTRS)
67
California State Teachers Retirement System (CalSTRS)
California
$3.47M
SPS
68
Susquehanna Portfolio Strategies
Pennsylvania
$3.38M
State of Wisconsin Investment Board
69
State of Wisconsin Investment Board
Wisconsin
$3.27M
Mitsubishi UFJ Asset Management
70
Mitsubishi UFJ Asset Management
Japan
$3.09M
RA
71
Royce & Associates
New York
$2.99M
PHK
72
Point72 Hong Kong
Hong Kong
$2.87M
T. Rowe Price Associates
73
T. Rowe Price Associates
Maryland
$2.82M
State Board of Administration of Florida Retirement System
74
State Board of Administration of Florida Retirement System
Florida
$2.71M
Mirae Asset Global ETFs Holdings
75
Mirae Asset Global ETFs Holdings
Hong Kong
$2.65M