We are live on ! Find out more
ADTN icon

Adtran

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: 205193 (-12)

25% less funds holding in top 10

Funds holding in top 10: 43 (-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
Name Holding Trade Value Shares
Change
Change in
Stake
Bank of New York Mellon
51
Bank of New York Mellon
New York
$1.94M -$4.68M -586,080 -73%
Millennium Management
52
Millennium Management
New York
$1.85M +$679K +85,174 +70%
GIM
53
Granahan Investment Management
Massachusetts
$1.8M +$1.31M +164,227 +455%
HIM
54
Herald Investment Management
United Kingdom
$1.79M
Norges Bank
55
Norges Bank
Norway
$1.78M +$1.58M +198,100 New
N
56
Nuveen
North Carolina
$1.66M -$342K -42,899 -19%
UBS AM
57
UBS AM
Illinois
$1.61M +$828K +103,783 +138%
Lazard Asset Management
58
Lazard Asset Management
New York
$1.58M +$1.41M +176,300 New
Tudor Investment Corp
59
Tudor Investment Corp
Connecticut
$1.51M -$2.48M -311,247 -65%
JF
60
Jump Financial
Illinois
$1.47M +$1.31M +163,937 New
AG
61
Algert Global
California
$1.41M
Swiss National Bank
62
Swiss National Bank
Switzerland
$1.23M -$68.6K -8,600 -6%
SFI
63
Susquehanna Fundamental Investments
Pennsylvania
$1.16M -$104K -13,089 -9%
Susquehanna International Group
64
Susquehanna International Group
Pennsylvania
$1.12M -$567K -71,059 -36%
PCMI
65
Paradigm Capital Management Inc
New York
$1.08M +$319K +40,000 +50%
Skandinaviska Enskilda Banken (SEB)
66
Skandinaviska Enskilda Banken (SEB)
Sweden
$1.06M -$14.2K -1,782 -1%
Assenagon Asset Management
67
Assenagon Asset Management
Luxembourg
$1.06M
RhumbLine Advisers
68
RhumbLine Advisers
Massachusetts
$1.05M -$43K -5,386 -4%
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
69
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$1.04M
Legal & General Group
70
Legal & General Group
United Kingdom
$1.02M +$110K +13,821 +14%
Verition Fund Management
71
Verition Fund Management
Connecticut
$986K +$194K +24,357 +28%
T. Rowe Price Associates
72
T. Rowe Price Associates
Maryland
$927K +$15.6K +1,956 +2%
Victory Capital Management
73
Victory Capital Management
Texas
$904K -$23.8K -2,986 -3%
Teacher Retirement System of Texas
74
Teacher Retirement System of Texas
Texas
$894K +$274K +34,305 +52%
SAG
75
Susquehanna Advisors Group
Pennsylvania
$826K -$44.2K -5,536 -6%

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.