Adtran
ADTN
249 hedge funds and large institutions have $1.17B invested in Adtran in 2026 Q2 according to their latest regulatory filings, with 52 funds opening new positions, 93 increasing their positions, 75 reducing their positions, and 28 closing their positions.
673% more call options, than puts
Call options by funds: $15.5M | Put options by funds: $2.01M
86% more first-time investments, than exits
New positions opened: 52 | Existing positions closed: 28
24% more repeat investments, than reductions
Existing positions increased: 93 | Existing positions reduced: 75
18% more capital invested
Capital invested by funds: $989M → $1.17B (+$177M)
9% more funds holding
Funds holding: 228 → 249 (+21)
6.15% more ownership
Funds ownership: 97.53% → 103.68% (+6.2%)
60% less funds holding in top 10
Funds holding in top 10: 5 → 2 (-3)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
UBS Group
Zurich,
Switzerland
|
+$42M |
| 2 |
Two Sigma Investments
New York
|
+$27.7M |
| 3 |
Renaissance Technologies
New York
|
+$24.5M |
| 4 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
+$17.6M |
| 5 |
JP Morgan Chase
New York
|
+$17.2M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SG Americas Securities
New York
|
-$16.8M |
| 2 |
SRFM
Shannon River Fund Management
New York
|
-$15.3M |
| 3 |
DCM
Divisar Capital Management
San Francisco,
California
|
-$14.3M |
| 4 |
William Blair Investment Management
Chicago,
Illinois
|
-$13.9M |
| 5 |
NIM
Needham Investment Management
New York
|
-$12.1M |
ADTN Hedge Fund Activity: Q2 2026 in Review
249 of the 8,305 institutional investors tracked by Wall St. Rank reported a position in Adtran (ADTN) for Q2 2026, worth a combined $1.17B — up 18% from $989M a quarter earlier.
Buyers outnumbered sellers: 52 funds opened new ADTN positions and 28 closed out — a net gain of 24 holders — while 93 added to existing stakes and 75 trimmed.
The largest buyer was UBS Group, adding an estimated $42M. The largest seller was SG Americas Securities, cutting an estimated $16.8M.
- 249 institutional investors held Adtran (ADTN) as of Q2 2026, up from 228 in Q1 2026.
- Funds reported $1.17B of Adtran stock for Q2 2026, up 18% quarter-over-quarter.
- 52 funds opened new Adtran positions in Q2 2026 and 28 closed out, a net change of +24 holders.
- The largest Adtran buyer in Q2 2026 was UBS Group, an estimated $42M added.
- The largest Adtran seller in Q2 2026 was SG Americas Securities, an estimated $16.8M sold.
Based on aggregated 13F filings for Q2 2026.