ATN International
ATNI
124 hedge funds and large institutions have $250M invested in ATN International in 2026 Q1 according to their latest regulatory filings, with 25 funds opening new positions, 43 increasing their positions, 36 reducing their positions, and 12 closing their positions.
108% more first-time investments, than exits
New positions opened: 25 | Existing positions closed: 12
24% more capital invested
Capital invested by funds: $201M → $250M (+$48.9M)
19% more repeat investments, than reductions
Existing positions increased: 43 | Existing positions reduced: 36
10% more funds holding
Funds holding: 113 → 124 (+11)
1.91% more ownership
Funds ownership: 57.73% → 59.64% (+1.9%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Morgan Stanley
New York
|
+$3.34M |
| 2 |
Acadian Asset Management
Boston,
Massachusetts
|
+$2.51M |
| 3 |
American Century Companies
Kansas City,
Missouri
|
+$1.62M |
| 4 |
Two Sigma Investments
New York
|
+$1.41M |
| 5 |
SEI Investments
Oaks,
Pennsylvania
|
+$1.17M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Millennium Management
New York
|
-$1.58M |
| 2 |
Fidelity Investments
Boston,
Massachusetts
|
-$1.15M |
| 3 |
GF
Gabelli Funds
Rye,
New York
|
-$1.05M |
| 4 |
BlackRock
New York
|
-$1.01M |
| 5 |
D.E. Shaw & Co
New York
|
-$990K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
DC
126
Diametric Capital
Boston,
Massachusetts
| – | -$502K | -22,036 | Closed |
|
|
A
127
AlphaQuest
New York
| – | -$350K | -15,353 | Closed |
|
128
Squarepoint
New York
| – | -$286K | -12,530 | Closed |
|
129
Ohio Public Employees Retirement System (OPERS)
Columbus,
Ohio
| – | -$204K | -8,932 | Closed |
|
|
MDCM
130
Morgan Dempsey Capital Management
Menomonee Falls,
Wisconsin
| – | -$115K | -4,977 | Closed |
|
131
Canada Pension Plan Investment Board
Toronto Ontario,
Ontario, Canada
| – | -$107K | -4,700 | Closed |
|
|
KAS
132
Kemnay Advisory Services
New York
| – | -$17.1K | -750 | Closed |
|
|
AB
133
Amalgamated Bank
New York
| – | -$7K | -312 | Closed |
|
134
Simplex Trading
Chicago,
Illinois
| – | -$615 | -27 | Closed |
|
|
OC
135
Optima Capital
Beaverton,
Oregon
| – | -$531 | -23 | Closed |
|
|
IA
136
IFP Advisors
Tampa,
Florida
| – | -$274 | -12 | Closed |
|
ATNI Hedge Fund Activity: Q1 2026 in Review
124 of the 8,127 institutional investors tracked by Wall St. Rank reported a position in ATN International (ATNI) for Q1 2026, worth a combined $250M — up 24% from $201M a quarter earlier.
Buyers outnumbered sellers: 25 funds opened new ATNI positions and 12 closed out — a net gain of 13 holders — while 43 added to existing stakes and 36 trimmed.
The largest buyer was Morgan Stanley, adding an estimated $3.34M. The largest seller was Millennium Management, cutting an estimated $1.58M.
- 124 institutional investors held ATN International (ATNI) as of Q1 2026, up from 113 in Q4 2025.
- Funds reported $250M of ATN International stock for Q1 2026, up 24% quarter-over-quarter.
- 25 funds opened new ATN International positions in Q1 2026 and 12 closed out, a net change of +13 holders.
- The largest ATN International buyer in Q1 2026 was Morgan Stanley, an estimated $3.34M added.
- The largest ATN International seller in Q1 2026 was Millennium Management, an estimated $1.58M sold.
Based on aggregated 13F filings for Q1 2026.