Anterix
ATEX
111 hedge funds and large institutions have $379M invested in Anterix in 2025 Q3 according to their latest regulatory filings, with 25 funds opening new positions, 32 increasing their positions, 40 reducing their positions, and 25 closing their positions.
0% more funds holding
Funds holding: 111 → 111 (0)
0% more first-time investments, than exits
New positions opened: 25 | Existing positions closed: 25
4.66% less ownership
Funds ownership: 89.87% → 85.21% (-4.7%)
12% less capital invested
Capital invested by funds: $431M → $379M (-$52.1M)
20% less repeat investments, than reductions
Existing positions increased: 32 | Existing positions reduced: 40
25% less funds holding in top 10
Funds holding in top 10: 4 → 3 (-1)
82% less call options, than puts
Call options by funds: $543K | Put options by funds: $3.04M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
GF
Gabelli Funds
Rye,
New York
|
+$2.2M |
| 2 |
Marshall Wace
London,
United Kingdom
|
+$2.19M |
| 3 |
SS
SBI Securities
Tokyo,
Japan
|
+$1.68M |
| 4 |
Goldman Sachs
New York
|
+$1.67M |
| 5 |
HF
HRT Financial
New York
|
+$1.39M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
ClearBridge Investments
New York
|
-$5.22M |
| 2 |
N
Nuveen
Charlotte,
North Carolina
|
-$3.9M |
| 3 |
Citadel Advisors
Miami,
Florida
|
-$3.63M |
| 4 |
DCM
DG Capital Management
New York
|
-$2.54M |
| 5 |
BlackRock
New York
|
-$2.44M |
ATEX Hedge Fund Activity: Q3 2025 in Review
111 of the 7,621 institutional investors tracked by Wall St. Rank reported a position in Anterix (ATEX) for Q3 2025, worth a combined $379M — down 12% from $431M a quarter earlier.
Fund positioning in ATEX was balanced in Q3 2025: 25 funds opened new positions, 25 closed out, 32 added to existing stakes and 40 trimmed.
The largest buyer was Gabelli Funds, adding an estimated $2.2M. The largest seller was ClearBridge Investments, exiting entirely with an estimated $5.22M sold.
- 111 institutional investors held Anterix (ATEX) as of Q3 2025, unchanged from Q2 2025.
- Funds reported $379M of Anterix stock for Q3 2025, down 12% quarter-over-quarter.
- 25 funds opened new Anterix positions in Q3 2025 and 25 closed out, a net change of 0 holders.
- The largest Anterix buyer in Q3 2025 was Gabelli Funds, an estimated $2.2M added.
- The largest Anterix seller in Q3 2025 was ClearBridge Investments, an estimated $5.22M sold.
Based on aggregated 13F filings for Q3 2025.