Adtran
ADTN
221 hedge funds and large institutions have $659M invested in Adtran in 2025 Q3 according to their latest regulatory filings, with 47 funds opening new positions, 83 increasing their positions, 58 reducing their positions, and 19 closing their positions.
240% more call options, than puts
Call options by funds: $5.2M | Put options by funds: $1.53M
147% more first-time investments, than exits
New positions opened: 47 | Existing positions closed: 19
43% more repeat investments, than reductions
Existing positions increased: 83 | Existing positions reduced: 58
23% more capital invested
Capital invested by funds: $534M → $659M (+$125M)
15% more funds holding
Funds holding: 193 → 221 (+28)
10.01% more ownership
Funds ownership: 74.39% → 84.4% (+10%)
0% more funds holding in top 10
Funds holding in top 10: 3 → 3 (0)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
OAM
Ophir Asset Management
Sydney,
Australia
|
+$11.2M |
| 2 |
Alyeska Investment Group
Chicago,
Illinois
|
+$10.1M |
| 3 |
Assenagon Asset Management
Senningerberg,
Luxembourg
|
+$7.59M |
| 4 |
Citadel Advisors
Miami,
Florida
|
+$7.58M |
| 5 |
SSA
Schonfeld Strategic Advisors
New York
|
+$7.21M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
DCM
Divisar Capital Management
San Francisco,
California
|
-$9.47M |
| 2 |
SCM
SG Capital Management
Chicago,
Illinois
|
-$7.6M |
| 3 |
Marshall Wace
London,
United Kingdom
|
-$4.27M |
| 4 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
-$3.75M |
| 5 |
Renaissance Technologies
New York
|
-$3.7M |
ADTN Hedge Fund Activity: Q3 2025 in Review
221 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in Adtran (ADTN) for Q3 2025, worth a combined $659M — up 23% from $534M a quarter earlier.
Buyers outnumbered sellers: 47 funds opened new ADTN positions and 19 closed out — a net gain of 28 holders — while 83 added to existing stakes and 58 trimmed.
The largest buyer was Ophir Asset Management, opening a new position worth an estimated $11.2M. The largest seller was Divisar Capital Management, cutting an estimated $9.47M.
- 221 institutional investors held Adtran (ADTN) as of Q3 2025, up from 193 in Q2 2025.
- Funds reported $659M of Adtran stock for Q3 2025, up 23% quarter-over-quarter.
- 47 funds opened new Adtran positions in Q3 2025 and 19 closed out, a net change of +28 holders.
- The largest Adtran buyer in Q3 2025 was Ophir Asset Management, an estimated $11.2M added.
- The largest Adtran seller in Q3 2025 was Divisar Capital Management, an estimated $9.47M sold.
Based on aggregated 13F filings for Q3 2025.