ANTERIX INC COM is a security (CUSIP 03676C100) tracked across SEC portfolio filings. 145 institutional managers reported $690.0M on Form 13F as of 2026-06-30; 23 registered fund positions totaling $35.9M via N-PORT as of 2026-05-31.
Showing 15 of 145 managers by value.
| Manager | Location | Value | Shares |
|---|---|---|---|
| Owl Creek Asset Management, L.P. | New York, NY | $206.7M | 5,411,776 |
| Heard Capital LLC | Chicago, IL | $65.6M | 1,716,738 |
| BlackRock, Inc. | New York, NY | $38.5M | 1,007,143 |
| VANGUARD GROUP INC | Valley Forge, PA | $20.3M | 931,305 |
| QVT Financial LP | New York, NY | $19.2M | 503,941 |
| PLUSTICK MANAGEMENT LLC | CHARLOTTESVILLE, VA | $19.1M | 499,596 |
| JANE STREET GROUP, LLC | NEW YORK, NY | $17.5M | 420,857 |
| GAMCO INVESTORS, INC. ET AL | GREENWICH, CT | $16.3M | 425,820 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $16.2M | 424,856 |
| STATE STREET CORP | BOSTON, MA | $14.8M | 387,918 |
| GEODE CAPITAL MANAGEMENT, LLC | BOSTON, MA | $14.3M | 374,301 |
| Caption Management, LLC | OKLAHOMA CITY, OK | $13.2M | — |
| GARNET EQUITY CAPITAL HOLDINGS, INC. | NEW YORK, NY | $13.1M | 343,496 |
| KIRR MARBACH & CO LLC /IN/ | COLUMBUS, IN | $11.9M | 116,069 |
| MILLENNIUM MANAGEMENT LLC | NEW YORK, NY | $11.8M | 307,922 |
Showing 15 of 23 fund positions by value.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| VANGUARD EXTENDED MARKET INDEX FUND | VANGUARD INDEX FUNDS | $8.0M | 0.99% |
| VANGUARD RUSSELL 2000 INDEX FUND | VANGUARD SCOTTSDALE FUNDS | $3.7M | 2.11% |
| Gabelli Multimedia Trust Inc. | Gabelli Multimedia Trust Inc. | $3.4M | 225.29% |
| Keeley Small Cap Fund | Teton Westwood Funds | $3.1M | 355.91% |
| U.S. MICRO CAP PORTFOLIO | DFA INVESTMENT DIMENSIONS GROUP INC | $3.0M | 3.96% |
| Gabelli Utility Trust | Gabelli Utility Trust | $2.8M | 96.87% |
| The Gabelli Utilities Fund | Gabelli Utilities Fund | $2.4M | 13.37% |
| TIFF MULTI-ASSET FUND | TIFF Investment Program | $1.6M | 11.32% |
| Gabelli Equity Trust Inc | Gabelli Equity Trust Inc | $1.5M | 8.82% |
| Embark Small Cap Equity Fund | Harbor Funds II | $1.3M | 22.63% |
| Kirr, Marbach Partners Value Fund | Kirr Marbach Partners Funds Inc | $1.1M | 107.95% |
| Gabelli Global Utility & Income Trust | Gabelli Global Utility & Income Trust | $917K | 78.19% |
| VANGUARD MARKET NEUTRAL FUND | VANGUARD MONTGOMERY FUNDS | $728K | 16.87% |
| Master Small Cap Index Series | Quantitative Master Series LLC | $687K | 1.42% |
| T. Rowe Price Spectrum Moderate Growth Allocation Fund | T. ROWE PRICE SPECTRUM FUNDS II, INC. | $643K | 1.49% |