Anterix Ownership | Who Owns Anterix?
Anterix Ownership Summary
Anterix is owned by 20.05% institutional investors, 1.96% insiders, and 77.99% retail investors. Owl creek asset management is the largest institutional shareholder, holding 28.97% of ATEX shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 2.24% of its assets in Anterix shares.
ATEX Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Anterix | 20.05% | 1.96% | 77.99% |
| Sector | Communication Services Stocks | 28.85% | 18.19% | 52.95% |
| Industry | Telecom Stocks | 27.20% | 14.43% | 58.38% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Owl creek asset management | 5.41M | 28.97% | $206.68M |
| Heard capital | 1.72M | 9.19% | $65.56M |
| Blackrock | 1.11M | 5.92% | $43.96M |
| Blackrock funding, inc. /de | 1.01M | 5.39% | $38.46M |
| Vanguard group | 931.30K | 4.98% | $20.33M |
| Qvt financial lp | 503.94K | 2.70% | $19.25M |
| Plustick management | 499.60K | 2.67% | $19.08M |
| Gamco investors, inc. et al | 425.82K | 2.28% | $16.26M |
| Dimensional fund advisors lp | 424.86K | 2.27% | $16.22M |
| Jane street group | 420.86K | 2.25% | $16.07M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Owl creek asset management | 5.41M | 14.95% | $206.68M |
| Plustick management | 499.60K | 9.21% | $19.08M |
| Price jennifer c. | 210.00K | 8.54% | $6.44M |
| Potomac capital management | 173.80K | 5.77% | $6.64M |
| Potrero capital research | 229.56K | 5.38% | $8.77M |
| Panoramic capital | 135.00K | 3.62% | $5.16M |
| Heard capital | 1.72M | 3.39% | $65.56M |
| Garnet equity capital | 343.50K | 2.04% | $13.12M |
| Ayal capital advisors | 197.12K | 2.04% | $7.53M |
| Dg capital management | 168.22K | 1.97% | $6.42M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Plustick management | 499.60K | 9.21% | 499.60K |
| Jane street group | 420.86K | 0.00% | 261.84K |
| Potrero capital research | 229.56K | 5.38% | 229.56K |
| Dg capital management | 168.22K | 1.97% | 146.97K |
| Panoramic capital | 135.00K | 3.62% | 135.00K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Stonehill capital management | - | - | -605.66K |
| Jefferies financial group | - | - | -454.51K |
| Marshall wace, llp | - | - | -291.25K |
| Clearbridge investments | - | - | -203.54K |
| Roubaix capital | - | - | -161.71K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Plustick management | 499.60K | 9.21% | 499.60K | $19.08M |
| Potrero capital research | 229.56K | 5.38% | 229.56K | $8.77M |
| Panoramic capital | 135.00K | 3.62% | 135.00K | $5.16M |
| Centerbook partners lp | 127.67K | 0.26% | 127.67K | $4.88M |
| Vanguard fiduciary trust | 119.46K | 0.00% | 119.46K | $4.56M |
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 % |
|---|---|---|---|---|---|---|---|---|---|---|
| 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% |
| Mar 31, 2025 | 17 | -85.59% | 3,795,413 | -76.27% | 20 | 0.28% | 5 | -90.74% | 7 | -83.72% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard US Total Market Shares ETF | 415.43K | 2.24% | - |
| Vanguard Total Stock Mkt Idx Inv | 351.79K | 1.88% | - |
| 1290 VT GAMCO Small Company Value IB | 270.00K | 1.44% | - |
| iShares Russell 2000 ETF | 263.48K | 1.41% | 2.21K |
| Vanguard Institutional Extnd Mkt Idx Tr | 210.67K | 1.12% | 5.08K |
| ClearBridge Small Cap C | 175.54K | 0.94% | - |
| ClearBridge Small Cap | 175.54K | 0.94% | - |
| State Street® SPDR® S&P® Telecom ETF | 157.82K | 0.84% | - |
| Fidelity Small Cap Index | 110.86K | 0.59% | 802.00 |
| Nuveen Quant Small Cap Equity R6 | 102.35K | 0.55% | -43.10K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Dec 18, 2025 | Lang Scott A. | President and CEO | Buy | $25.07K |
| Dec 08, 2025 | Lang Scott A. | President and CEO | Buy | $50.00K |
| Nov 18, 2025 | Ashe Gena L | Chief Legal Officer & Corp Sec | Sell | $138.30K |
| Sep 18, 2025 | Lang Scott A. | President and CEO | Buy | $98.95K |
| Aug 19, 2025 | Gray Timothy | Chief Financial Officer | Buy | $1.10K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q2 | - | - |
| 2026 Q1 | - | - |
| 2025 Q4 | 2 | 1 |
| 2025 Q3 | 2 | - |
| 2025 Q2 | - | - |
ATEX Ownership FAQ
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