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Adtran
ADTN

Overview Fund Activity

204 hedge funds and large institutions have $510M invested in Adtran in 2025 Q1 according to their latest regulatory filings, with 65 funds opening new positions, 60 increasing their positions, 59 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
204
Holders Change
+45
Holders Change %
+28.3%
% of All Funds
2.77%
Holding in Top 10
4
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.05%
New
65
Increased
60
Reduced
59
Closed
18
Calls
$3.06M
Puts
$781K
Net Calls
+$2.28M
Net Calls Change
+$53K

Top Buyers

1
RA
Royce & Associates
New York
+$8.01M
2
Invesco
Invesco
Georgia
+$7.89M
3
BlackRock
BlackRock
New York
+$6.37M
4
Vanguard Group
Vanguard Group
Pennsylvania
+$4.37M
5
Stifel Financial
Stifel Financial
Missouri
+$4.33M

Top Sellers

1
PCMI
Paradigm Capital Management Inc
New York
-$20.4M
2
William Blair Investment Management
William Blair Investment Management
Illinois
-$13.2M
3
SSA
Schonfeld Strategic Advisors
New York
-$12.8M
4
DnB Asset Management
DnB Asset Management
Norway
-$12.8M
5
DCM
Divisar Capital Management
California
-$12M
Name Holding Trade Value Shares
Change 		Shares
Change %
ECM
51
ExodusPoint Capital Management
New York
$1.74M +$1.44M +165,376 +477%
HIM
52
Herald Investment Management
United Kingdom
$1.74M -$871K -100,000 -33%
Susquehanna International Group
53
Susquehanna International Group
Pennsylvania
$1.71M -$1.38M -158,433 -45%
AllianceBernstein
54
AllianceBernstein
Tennessee
$1.63M +$918K +105,306 +128%
Voloridge Investment Management
55
Voloridge Investment Management
Florida
$1.63M +$1.63M +187,262 New
Connor, Clark & Lunn Investment Management (CC&L)
56
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$1.46M +$1.11M +126,783 +311%
AG
57
Algert Global
California
$1.38M +$1.19M +136,150 +633%
Citigroup
58
Citigroup
New York
$1.37M +$767K +87,998 +128%
N
59
Numerai
California
$1.34M -$668K -76,629 -33%
Jacobs Levy Equity Management
60
Jacobs Levy Equity Management
New Jersey
$1.31M +$1.31M +149,902 New
Swiss National Bank
61
Swiss National Bank
Switzerland
$1.27M +$1.27M +146,000 New
SFI
62
Susquehanna Fundamental Investments
Pennsylvania
$1.24M +$195K +22,389 +19%
QT
63
Quantbot Technologies
New York
$1.11M +$982K +112,644 +754%
RhumbLine Advisers
64
RhumbLine Advisers
Massachusetts
$1.06M -$19.5K -2,241 -2%
UBS Group
65
UBS Group
Switzerland
$1.06M -$1.49M -171,321 -59%
Millennium Management
66
Millennium Management
New York
$1.06M -$8.23M -943,327 -89%
Skandinaviska Enskilda Banken (SEB)
67
Skandinaviska Enskilda Banken (SEB)
Sweden
$1.05M -$872K -99,983 -45%
Assenagon Asset Management
68
Assenagon Asset Management
Luxembourg
$1.03M -$7.04M -807,494 -87%
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
69
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$1.01M +$1.01M +115,800 New
Man Group
70
Man Group
United Kingdom
$939K +$365K +41,882 +64%
Victory Capital Management
71
Victory Capital Management
Texas
$905K -$154K -17,700 -15%
T. Rowe Price Associates
72
T. Rowe Price Associates
Maryland
$884K +$20.5K +2,349 +2%
Legal & General Group
73
Legal & General Group
United Kingdom
$869K +$808K +92,706 +1,333%
SAG
74
Susquehanna Advisors Group
Pennsylvania
$851K – – –
CAU
75
Caxton Associates (UK)
$806K +$806K +92,393 New
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