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Allegro MicroSystems

293 hedge funds and large institutions have $3.6B invested in Allegro MicroSystems in 2025 Q4 according to their latest regulatory filings, with 56 funds opening new positions, 79 increasing their positions, 122 reducing their positions, and 52 closing their positions.

New
Increased
Maintained
Reduced
Closed

8% more first-time investments, than exits

New positions opened: 56 | Existing positions closed: 52

0.3% more ownership

Funds ownership: 73.44%73.75% (+0.3%)

0% more funds holding in top 10

Funds holding in top 10: 11 (0)

1% less funds holding

Funds holding: 296293 (-3)

9% less capital invested

Capital invested by funds: $3.97B → $3.6B (-$365M)

35% less repeat investments, than reductions

Existing positions increased: 79 | Existing positions reduced: 122

65% less call options, than puts

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

Holders
293
Holders Change
-3
Holders Change %
-1.01%
% of All Funds
3.56%
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.01%
New
56
Increased
79
Reduced
122
Closed
52
Calls
$11.9M
Puts
$34.3M
Net Calls
-$22.4M
Net Calls Change
+$122M
Name Holding Trade Value Shares
Change
Change in
Stake
Two Sigma Investments
51
Two Sigma Investments
New York
$8.2M +$4.12M +149,577 +93%
RhumbLine Advisers
52
RhumbLine Advisers
Massachusetts
$7.92M -$350K -12,709 -4%
UBS Group
53
UBS Group
Switzerland
$7.24M -$8.39M -304,979 -53%
PCM
54
Peregrine Capital Management
Minnesota
$7.15M -$98.8K -3,589 -1%
Swiss National Bank
55
Swiss National Bank
Switzerland
$6.74M +$124K +4,500 +2%
N
56
Nuveen
North Carolina
$6.38M
PC
57
Pier Capital
Connecticut
$6.1M -$108K -3,934 -2%
BNP Paribas Financial Markets
58
BNP Paribas Financial Markets
France
$5.24M +$1.49M +54,214 +37%
Retirement Systems of Alabama
59
Retirement Systems of Alabama
Alabama
$5.01M -$28.6K -1,040 -0.5%
Legal & General Group
60
Legal & General Group
United Kingdom
$4.9M -$312K -11,329 -6%
Jane Street
61
Jane Street
New York
$4.78M -$803K -29,170 -14%
TAM
62
Trillium Asset Management
Massachusetts
$3.73M -$840K -30,523 -18%
ACH
63
ArrowMark Colorado Holdings
Colorado
$3.69M -$272K -9,888 -7%
Susquehanna International Group
64
Susquehanna International Group
Pennsylvania
$3.54M +$207K +7,522 +6%
California State Teachers Retirement System (CalSTRS)
65
California State Teachers Retirement System (CalSTRS)
California
$3.24M +$117K +4,254 +4%
Neuberger Berman Group
66
Neuberger Berman Group
New York
$3.16M -$3.57M -129,823 -52%
State of Tennessee, Department of Treasury
67
State of Tennessee, Department of Treasury
Tennessee
$2.92M -$203K -7,394 -9%
Citigroup
68
Citigroup
New York
$2.8M +$2.93M +106,301 New
T. Rowe Price Associates
69
T. Rowe Price Associates
Maryland
$2.67M +$130K +4,736 +5%
State of Wisconsin Investment Board
70
State of Wisconsin Investment Board
Wisconsin
$2.57M -$392K -14,230 -13%
SEI Investments
71
SEI Investments
Pennsylvania
$2.56M +$242K +8,783 +10%
State of New Jersey Common Pension Fund D
72
State of New Jersey Common Pension Fund D
New Jersey
$2.45M +$662K +24,046 +35%
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 +$283K +10,273 +12%
HF
75
HRT Financial
New York
$2.38M +$439K +15,949 +21%