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Allegro MicroSystems

290 hedge funds and large institutions have $3.6B invested in Allegro MicroSystems in 2025 Q4 according to their latest regulatory filings, with 55 funds opening new positions, 80 increasing their positions, 119 reducing their positions, and 51 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more ownership

Funds ownership:

more funds holding in top 10

Funds holding in top 10:

less funds holding

Funds holding:

9% less capital invested

Capital invested by funds: $3.97B → $3.6B (-$366M)

33% less repeat investments, than reductions

Existing positions increased: 80 | Existing positions reduced: 119

65% less call options, than puts

Call options by funds: $11.9M | Put options by funds: $34.3M

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
$11.9M
Puts
$34.3M
Net Calls
Net Calls Change

Top Buyers

1 +$64.4M
2 +$61.3M
3 +$33.8M
4
BlackRock
BlackRock
New York
+$22.7M
5
ACM
Analog Century Management
New York
+$19.7M
Name Holding Trade Value Shares
Change
Change in
Stake
Two Sigma Investments
51
Two Sigma Investments
New York
$8.2M
RhumbLine Advisers
52
RhumbLine Advisers
Massachusetts
$7.92M
UBS Group
53
UBS Group
Switzerland
$7.24M
PCM
54
Peregrine Capital Management
Minnesota
$7.15M
Swiss National Bank
55
Swiss National Bank
Switzerland
$6.74M
N
56
Nuveen
North Carolina
$6.38M
PC
57
Pier Capital
Connecticut
$6.1M
BNP Paribas Financial Markets
58
BNP Paribas Financial Markets
France
$5.24M
Retirement Systems of Alabama
59
Retirement Systems of Alabama
Alabama
$5.01M
Legal & General Group
60
Legal & General Group
United Kingdom
$4.9M
Jane Street
61
Jane Street
New York
$4.78M
TAM
62
Trillium Asset Management
Massachusetts
$3.73M
ACH
63
ArrowMark Colorado Holdings
Colorado
$3.69M
Susquehanna International Group
64
Susquehanna International Group
Pennsylvania
$3.54M
California State Teachers Retirement System (CalSTRS)
65
California State Teachers Retirement System (CalSTRS)
California
$3.24M
Neuberger Berman Group
66
Neuberger Berman Group
New York
$3.16M
State of Tennessee, Department of Treasury
67
State of Tennessee, Department of Treasury
Tennessee
$2.92M
Citigroup
68
Citigroup
New York
$2.8M
T. Rowe Price Associates
69
T. Rowe Price Associates
Maryland
$2.67M
State of Wisconsin Investment Board
70
State of Wisconsin Investment Board
Wisconsin
$2.57M
SEI Investments
71
SEI Investments
Pennsylvania
$2.56M
State of New Jersey Common Pension Fund D
72
State of New Jersey Common Pension Fund D
New Jersey
$2.45M
State Board of Administration of Florida Retirement System
73
State Board of Administration of Florida Retirement System
Florida
$2.45M
STA
74
Summit Trail Advisors
New York
$2.44M
HF
75
HRT Financial
New York
$2.38M