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Adtran
ADTN

193 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, 73 reducing their positions, and 39 closing their positions.

New
Increased
Maintained
Reduced
Closed

22% more call options, than puts

Call options by funds: $788K | Put options by funds: $645K

4% more capital invested

Capital invested by funds: $512M → $534M (+$21.3M)

0.82% more ownership

Funds ownership: 73.57% → 74.39% (+0.82%)

10% less repeat investments, than reductions

Existing positions increased: 66 | Existing positions reduced: 73

6% less funds holding

Funds holding: 205 → 193 (-12)

25% less funds holding in top 10

Funds holding in top 10: 4 → 3 (-1)

28% less first-time investments, than exits

New positions opened: 28 | Existing positions closed: 39

Holders
193
Holders Change
-12
Holders Change %
-5.85%
% of All Funds
2.54%
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
73
Closed
39
Calls
$788K
Puts
$645K
Net Calls
+$143K
Net Calls Change
-$2.14M

Top Buyers

Rank Fund Capital Flow
1
Vanguard Group
Vanguard Group
Pennsylvania
+$8.55M
2
SCM
SG Capital Management
Illinois
+$6.76M
3
DCM
Divisar Capital Management
California
+$6.39M
4
RA
Royce & Associates
New York
+$5.55M
5
BlackRock
BlackRock
New York
+$3.67M

Top Sellers

Rank Fund Capital Flow
1
Invesco
Invesco
Georgia
-$7.18M
2
DnB Asset Management
DnB Asset Management
Norway
-$6.56M
3
Bank of New York Mellon
Bank of New York Mellon
New York
-$4.68M
4
Alyeska Investment Group
Alyeska Investment Group
Illinois
-$3.88M
5
ACA
Apis Capital Advisors
New York
-$3.79M
Name Holding Trade Value Shares
Change 		Change in
Stake
Goldman Sachs
26
Goldman Sachs
New York
$4.59M +$1.11M +139,273 +37%
1CM
27
1492 Capital Management
Wisconsin
$4.24M -$58K -7,268 -2%
JP Morgan Chase
28
JP Morgan Chase
New York
$4.09M -$1.12M -140,168 -23%
Dimensional Fund Advisors
29
Dimensional Fund Advisors
Texas
$3.95M -$15.9K -1,996 -0.5%
Citadel Advisors
30
Citadel Advisors
Florida
$3.63M +$961K +120,460 +42%
Man Group
31
Man Group
United Kingdom
$3.52M +$2.27M +285,105 +265%
NIMC
32
Nierenberg Investment Management Company
Washington
$3.08M -$734K -92,000 -21%
AllianceBernstein
33
AllianceBernstein
Tennessee
$2.99M +$1.17M +146,258 +78%
UBS Group
34
UBS Group
Switzerland
$2.63M +$1.37M +171,876 +142%
TI
35
Trexquant Investment
Connecticut
$2.6M -$826K -103,534 -26%
YIH
36
Y-Intercept (HK)
Hong Kong
$2.58M +$2.29M +287,459 New
Invesco
37
Invesco
Georgia
$2.54M -$7.18M -900,047 -76%
CSS
38
Cubist Systematic Strategies
Connecticut
$2.5M -$1.36M -170,125 -38%
Connor, Clark & Lunn Investment Management (CC&L)
39
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$2.49M +$879K +110,230 +66%
Ameriprise
40
Ameriprise
Minnesota
$2.36M -$71.9K -9,012 -3%
AQR Capital Management
41
AQR Capital Management
Connecticut
$2.19M -$831K -104,144 -30%
Walleye Capital
42
Walleye Capital
New York
$2.14M +$1.87M +234,212 +4,930%
Raymond James Financial
43
Raymond James Financial
Florida
$2.14M -$1.13M -142,141 -37%
SG Americas Securities
44
SG Americas Securities
New York
$2.13M +$26.9K +3,370 +1%
State of Wisconsin Investment Board
45
State of Wisconsin Investment Board
Wisconsin
$2.07M +$1.55M +194,043 +524%
WPC
46
White Pine Capital
Minnesota
$2.07M +$27.8K +3,485 +2%
Mackenzie Financial
47
Mackenzie Financial
Ontario, Canada
$2.06M +$1.22M +153,482 +203%
MHP
48
Manatuck Hill Partners
Connecticut
$2.05M +$1.82M +228,039 New
HF
49
HRT Financial
New York
$2.04M +$1.57M +197,144 +649%
American Century Companies
50
American Century Companies
Missouri
$2.01M +$180K +22,524 +11%
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ADTN Hedge Fund Activity: Q2 2025 in Review

193 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in Adtran (ADTN) for Q2 2025, worth a combined $534M — up 4.2% from $512M a quarter earlier.

Sellers outnumbered buyers: 39 funds closed out of ADTN and 28 opened new positions — a net loss of 11 holders — while 73 trimmed existing stakes and 66 added.

The largest buyer was Vanguard Group, adding an estimated $8.55M. The largest seller was Invesco, cutting an estimated $7.18M.

  • 193 institutional investors held Adtran (ADTN) as of Q2 2025, down from 205 in Q1 2025.
  • Funds reported $534M of Adtran stock for Q2 2025, up 4.2% quarter-over-quarter.
  • 28 funds opened new Adtran positions in Q2 2025 and 39 closed out, a net change of -11 holders.
  • The largest Adtran buyer in Q2 2025 was Vanguard Group, an estimated $8.55M added.
  • The largest Adtran seller in Q2 2025 was Invesco, an estimated $7.18M sold.

Based on aggregated 13F filings for Q2 2025.