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Adtran
ADTN

Overview Fund Activity

192 hedge funds and large institutions have $534M invested in Adtran in 2025 Q2 according to their latest regulatory filings, with 28 funds opening new positions, 66 increasing their positions, 72 reducing their positions, and 39 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
192
Holders Change
-12
Holders Change %
-5.88%
% of All Funds
2.58%
Holding in Top 10
3
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-25%
% of All Funds
0.04%
New
28
Increased
66
Reduced
72
Closed
39
Calls
$788K
Puts
$645K
Net Calls
+$143K
Net Calls Change
-$2.14M

Top Buyers

1
Vanguard Group
1
Vanguard Group
Pennsylvania
$73.3M
2
SCM
2
SG Capital Management
Illinois
$7.6M
3
DCM
3
Divisar Capital Management
California
$37.9M
4
RA
4
Royce & Associates
New York
$18.9M
5
BlackRock
5
BlackRock
New York
$72.3M

Top Sellers

1
Invesco
1
Invesco
Georgia
$2.54M
2
DnB Asset Management
2
DnB Asset Management
Norway
$24.5M
3
Bank of New York Mellon
3
Bank of New York Mellon
New York
$1.94M
4
Stifel Financial
4
Stifel Financial
Missouri
$398K
5
Alyeska Investment Group
5
Alyeska Investment Group
Illinois
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
PCM
126
Polymer Capital Management
New York
$220K -$67.4K -7,511 -23%
State Board of Administration of Florida Retirement System
127
State Board of Administration of Florida Retirement System
Florida
$200K – – –
New York State Common Retirement Fund
128
New York State Common Retirement Fund
New York
$196K – – –
ASRS
129
Arizona State Retirement System
Arizona
$188K -$5.38K -600 -3%
GCP
130
GSA Capital Partners
United Kingdom
$183K -$173K -19,270 -49%
QT
131
Quantbot Technologies
New York
$183K -$962K -107,209 -84%
PFSRSONJ
132
Police & Firemen's Retirement System of New Jersey
New Jersey
$175K +$28.9K +3,217 +20%
A
133
AlphaQuest
New York
$163K -$72.4K -8,069 -31%
HIS
134
Harvest Investment Services
Illinois
$150K -$5.13K -572 -3%
Walleye Trading
135
Walleye Trading
New York
$144K – – –
Voloridge Investment Management
136
Voloridge Investment Management
Florida
$141K -$1.54M -171,595 -92%
ProShare Advisors
137
ProShare Advisors
Maryland
$137K -$16.1K -1,796 -11%
Pictet Asset Management
138
Pictet Asset Management
Switzerland
$136K – – –
KK
139
KLP Kapitalforvaltning
Norway
$131K – – –
VA
140
Vident Advisory
Georgia
$130K +$130K +14,518 New
Zurich Cantonal Bank
141
Zurich Cantonal Bank
Switzerland
$127K – – –
CCM
142
Cinctive Capital Management
New York
$121K – – –
SSA
143
Schonfeld Strategic Advisors
New York
$119K -$596K -66,461 -83%
KAS
144
Kestra Advisory Services
Texas
$114K +$22.4K +2,500 +24%
LCM
145
Landscape Capital Management
New Jersey
$113K -$2.67K -298 -2%
Financial Engines Advisors
146
Financial Engines Advisors
California
$109K – – –
PTC
147
Petrus Trust Company
Texas
$106K -$175K -19,526 -62%
Public Employees Retirement Association of Colorado
148
Public Employees Retirement Association of Colorado
Colorado
$102K – – –
FIM
149
Freedom Investment Management
Connecticut
$99.6K -$15K -1,670 -13%
PAS
150
Park Avenue Securities
New York
$91K +$91K +10,130 New
4 5
6
7 8