Anterix Ownership | Who Owns Anterix?
Anterix Ownership Summary
Anterix is owned by 104.33% institutional investors, 2.46% insiders. Owl creek asset management is the largest institutional shareholder, holding 28.96% of ATEX shares. T. Rowe Price US Small-Cap Core Equity is the top mutual fund, with 3.89% of its assets in Anterix shares.
ATEX Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Anterix | 104.33% | 2.46% | -6.79% |
| Sector | Communication Services Stocks | 42.09% | 17.83% | 40.07% |
| Industry | Telecom Stocks | 44.04% | 13.52% | 42.44% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Owl creek asset management | 5.41M | 28.96% | $557.09M |
| T. rowe price investment management | 2.35M | 12.56% | $241.71M |
| Heard capital | 1.72M | 9.19% | $176.72M |
| Blackrock | 1.11M | 5.92% | $43.96M |
| Blackrock funding, inc. /de | 1.08M | 5.75% | $110.67M |
| Vanguard group | 931.30K | 4.98% | $20.33M |
| Price t rowe associates inc /md/ | 750.45K | 4.02% | $77.25M |
| Vanguard capital management | 553.00K | 2.96% | $56.93M |
| Plustick management | 520.00K | 2.78% | $53.53M |
| State street | 495.95K | 2.65% | $51.05M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Owl creek asset management | 5.41M | 46.08% | $557.09M |
| Plustick management | 520.00K | 19.90% | $53.53M |
| Potomac capital management | 155.07K | 10.89% | $15.96M |
| Price jennifer c. | 210.00K | 8.54% | $6.44M |
| Heard capital | 1.72M | 7.56% | $176.72M |
| Panoramic capital | 154.38K | 6.84% | $15.89M |
| Garnet equity capital | 156.12K | 3.03% | $16.07M |
| Potrero capital research | 46.52K | 2.66% | $4.79M |
| Qvt financial lp | 383.94K | 2.32% | $39.52M |
| Kirr marbach & co llc /in/ | 116.07K | 2.01% | $11.95M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| T. rowe price investment management | 2.35M | 0.16% | 2.35M |
| Price t rowe associates inc /md/ | 750.45K | 0.01% | 742.50K |
| Curated wealth partners | 250.00K | 0.03% | 250.00K |
| Fmr | 370.40K | 0.00% | 235.10K |
| Invesco | 200.97K | 0.00% | 200.97K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Stonehill capital management | - | - | -605.66K |
| Jefferies financial group | - | - | -454.51K |
| Jane street group | 17.51K | 0.00% | -403.35K |
| Millennium management | 30.34K | 0.00% | -277.58K |
| Clearbridge investments | - | - | -203.54K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| T. rowe price investment management | 2.35M | 0.16% | 2.35M | $241.71M |
| Curated wealth partners | 250.00K | 0.03% | 250.00K | $249.80K |
| Invesco | 200.97K | 0.00% | 200.97K | $20.69M |
| Sixth street partners management company | 139.28K | 0.00% | 139.28K | $14.34M |
| Gratia capital | 87.50K | 1.47% | 87.50K | $3.34M |
Sold Out
| Holder | Change |
|---|---|
| Nelson, van denburg & campbell wealth management group | -4.00 |
| Trust co of vermont | -5.00 |
| Rothschild investment | -5.00 |
| Capital performance advisors llp | -7.00 |
| True wealth design | -8.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2026 | 190 | 31.94% | 19,497,723 | 15.15% | 104 | 1.27% | 108 | 27.06% | 45 | 66.67% |
| Mar 31, 2026 | 65 | -46.72% | 3,746,441 | -76.85% | 20 | 0.27% | 37 | -37.29% | 11 | -74.42% |
| Dec 31, 2025 | 76 | -33.91% | 6,034,249 | -62.25% | 32 | 0.44% | 41 | -29.31% | 26 | -36.59% |
| Sep 30, 2025 | 111 | -5.13% | 15,983,146 | -4.85% | 85 | 1.05% | 56 | -12.50% | 40 | 21.21% |
| Jun 30, 2025 | 116 | -13.43% | 16,798,157 | 2.71% | 90 | 1.17% | 63 | 3.28% | 33 | -34.00% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| T. Rowe Price US Small-Cap Core Equity | 759.20K | 3.89% | 759.20K |
| T. Rowe Price Small-Cap Stock | 759.20K | 3.89% | 759.20K |
| Janus Henderson Opportunistic Alpha MA | 634.83K | 3.26% | 634.83K |
| Janus Henderson US Opportunistic Alpha | 634.83K | 3.26% | 634.83K |
| US Small-Cap Growth II Equity Comp | 470.80K | 2.41% | 470.80K |
| T. Rowe Price New Horizons | 470.80K | 2.41% | 470.80K |
| Vanguard US Total Market Shares ETF | 415.43K | 2.24% | - |
| T. Rowe Price Instl Small-Cap Stock | 410.89K | 2.11% | 410.89K |
| T. Rowe Price U.S. SC Core Eq Tr-D | 360.21K | 1.85% | 360.21K |
| Vanguard Morn Total Stk Mkt Idx Investor | 327.99K | 1.68% | -8.30K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Aug 14, 2026 | Heard William | - | Sell | $4.18M |
| Aug 14, 2026 | Lang Scott A. | President and CEO | Sell | $478.01K |
| Aug 14, 2026 | Lang Scott A. | President and CEO | Sell | $73.35K |
| Aug 14, 2026 | Lang Scott A. | President and CEO | Sell | $916.60K |
| Aug 14, 2026 | Lang Scott A. | President and CEO | Sell | $1.69M |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q3 | - | - |
| 2026 Q2 | - | 10 |
| 2026 Q1 | - | - |
| 2025 Q4 | 2 | 1 |
| 2025 Q3 | 2 | - |
ATEX Ownership FAQ
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