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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 %
Barclays
26
Barclays
United Kingdom
$3.99M +$1.62M +186,119 +68%
CSS
27
Cubist Systematic Strategies
Connecticut
$3.92M +$2.39M +274,510 +157%
Alyeska Investment Group
28
Alyeska Investment Group
Illinois
$3.88M +$3.88M +445,264 New
Dimensional Fund Advisors
29
Dimensional Fund Advisors
Texas
$3.86M -$1.59M -181,931 -29%
NIMC
30
Nierenberg Investment Management Company
Washington
$3.79M +$802K +92,000 +27%
ACA
31
Apis Capital Advisors
New York
$3.79M +$3.79M +435,000 New
Marshall Wace
32
Marshall Wace
United Kingdom
$3.78M +$435K +49,881 +13%
Arrowstreet Capital
33
Arrowstreet Capital
Massachusetts
$3.72M -$2.66M -305,578 -42%
Squarepoint
34
Squarepoint
New York
$3.52M +$135K +15,454 +4%
TI
35
Trexquant Investment
Connecticut
$3.43M +$930K +106,641 +37%
HIM
36
Hillsdale Investment Management
Ontario, Canada
$3.37M +$3.37M +386,100 New
Raymond James Financial
37
Raymond James Financial
Florida
$3.32M +$1.08M +123,307 +48%
Goldman Sachs
38
Goldman Sachs
New York
$3.25M -$73.2K -8,394 -2%
AQR Capital Management
39
AQR Capital Management
Connecticut
$3.04M +$2.18M +249,954 +254%
Qube Research & Technologies (QRT)
40
Qube Research & Technologies (QRT)
United Kingdom
$2.84M +$1.97M +226,298 +227%
Citadel Advisors
41
Citadel Advisors
Florida
$2.48M -$1.37M -157,270 -36%
Ameriprise
42
Ameriprise
Minnesota
$2.37M -$318K -36,489 -12%
SG Americas Securities
43
SG Americas Securities
New York
$2.04M +$1.73M +198,413 +560%
NL
44
Nuveen LLC
North Carolina
$1.99M +$1.99M +228,200 New
WPC
45
White Pine Capital
Minnesota
$1.98M -$468K -53,649 -19%
D.E. Shaw & Co
46
D.E. Shaw & Co
New York
$1.94M -$81.9K -9,396 -4%
LCG
47
Lisanti Capital Growth
New York
$1.88M +$1.88M +215,555 New
SC
48
SummitTX Capital
Texas
$1.78M +$1.78M +204,474 New
American Century Companies
49
American Century Companies
Missouri
$1.76M +$256K +29,391 +17%
Jane Street
50
Jane Street
New York
$1.75M -$2.53M -290,257 -59%
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