# ANTERIX INC COM

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.

## Summary

- Issuer: ANTERIX INC
- Class: COM
- CUSIP: 03676C100
- Asset category: EC
- 13F holders: 145
- 13F value: $690.0M
- 13F period: 2026-06-30
- N-PORT fund positions: 23
- N-PORT value: $35.9M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 145 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [Owl Creek Asset Management, L.P.](https://search.stillhousedata.com/firm/139371) | New York, NY | $206.7M | 5,411,776 |
| [Heard Capital LLC](https://search.stillhousedata.com/firm/297176) | Chicago, IL | $65.6M | 1,716,738 |
| BlackRock, Inc. | New York, NY | $38.5M | 1,007,143 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $20.3M | 931,305 |
| QVT Financial LP | New York, NY | $19.2M | 503,941 |
| [PLUSTICK MANAGEMENT LLC](https://search.stillhousedata.com/firm/173707) | CHARLOTTESVILLE, VA | $19.1M | 499,596 |
| JANE STREET GROUP, LLC | NEW YORK, NY | $17.5M | 420,857 |
| [GAMCO INVESTORS, INC. ET AL](https://search.stillhousedata.com/firm/104950) | 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](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $14.3M | 374,301 |
| [Caption Management, LLC](https://search.stillhousedata.com/firm/173841) | OKLAHOMA CITY, OK | $13.2M | — |
| [GARNET EQUITY CAPITAL HOLDINGS, INC.](https://search.stillhousedata.com/firm/161948) | 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 |

## Top fund holders (N-PORT)

_Showing 15 of 23 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $8.0M | 0.99% |
| [VANGUARD RUSSELL 2000 INDEX FUND](https://search.stillhousedata.com/fund/S000030003) | VANGUARD SCOTTSDALE FUNDS | $3.7M | 2.11% |
| Gabelli Multimedia Trust Inc. | Gabelli Multimedia Trust Inc. | $3.4M | 225.29% |
| [Keeley Small Cap Fund](https://search.stillhousedata.com/fund/S000001085) | Teton Westwood Funds | $3.1M | 355.91% |
| [U.S. MICRO CAP PORTFOLIO](https://search.stillhousedata.com/fund/S000000948) | DFA INVESTMENT DIMENSIONS GROUP INC | $3.0M | 3.96% |
| Gabelli Utility Trust | Gabelli Utility Trust | $2.8M | 96.87% |
| [The Gabelli Utilities Fund](https://search.stillhousedata.com/fund/S000001075) | Gabelli Utilities Fund | $2.4M | 13.37% |
| [TIFF MULTI-ASSET FUND](https://search.stillhousedata.com/fund/S000006387) | TIFF Investment Program | $1.6M | 11.32% |
| Gabelli Equity Trust Inc | Gabelli Equity Trust Inc | $1.5M | 8.82% |
| [Embark Small Cap Equity Fund](https://search.stillhousedata.com/fund/S000083503) | Harbor Funds II | $1.3M | 22.63% |
| [Kirr, Marbach Partners Value Fund](https://search.stillhousedata.com/fund/S000009002) | 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](https://search.stillhousedata.com/fund/S000019457) | VANGUARD MONTGOMERY FUNDS | $728K | 16.87% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $687K | 1.42% |
| [T. Rowe Price Spectrum Moderate Growth Allocation Fund](https://search.stillhousedata.com/fund/S000002138) | T. ROWE PRICE SPECTRUM FUNDS II, INC. | $643K | 1.49% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/03676C100.md)
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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.