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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
ECM
201
ExodusPoint Capital Management
New York
– -$1.74M -200,014 Closed
N
202
Numerai
California
– -$1.34M -154,144 Closed
CIA
203
Concurrent Investment Advisors
Florida
– -$731K -83,864 Closed
FRM
204
Fox Run Management
Connecticut
– -$530K -60,819 Closed
Fuller & Thaler Asset Management
205
Fuller & Thaler Asset Management
California
– -$448K -51,370 Closed
LCM
206
Legato Capital Management
California
– -$419K -48,080 Closed
CCM
207
Campbell Capital Management
Florida
– -$345K -39,600 Closed
CF
208
Corebridge Financial
Texas
– -$336K -38,582 Closed
AIM
209
Aigen Investment Management
New York
– -$276K -31,603 Closed
JG
210
Jain Global
New York
– -$237K -27,175 Closed
IC
211
IEQ Capital
California
– -$209K -23,919 Closed
TDC
212
Thompson Davis & Co
Virginia
– -$163K -18,675 Closed
MOS
213
MGO One Seven
Ohio
– -$153K -17,509 Closed
CWM
214
CIBC World Markets
New York
– -$152K -17,475 Closed
SC
215
Scotia Capital
Ontario, Canada
– -$141K -16,125 Closed
Cerity Partners
216
Cerity Partners
New York
– -$137K -15,705 Closed
Bank of Montreal
217
Bank of Montreal
Ontario, Canada
– -$128K -14,707 Closed
MAM
218
Martingale Asset Management
Massachusetts
– -$123K -14,060 Closed
Mariner
219
Mariner
Kansas
– -$94.9K -10,887 Closed
BP
220
Ballentine Partners
Massachusetts
– -$93.9K -10,771 Closed
PD
221
Point72 (DIFC)
United Arab Emirates
– -$79.7K -9,145 Closed
ACM
222
Aquatic Capital Management
Illinois
– -$78K -8,950 Closed
FIA
223
FNY Investment Advisers
New York
– -$65K -7,500 Closed
CCM
224
Coldstream Capital Management
Washington
– -$9.49K -1,088 Closed
HI
225
Harbour Investments
Wisconsin
– -$6.98K -800 Closed
6 7 8
9
10

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.