ANTERIX INC ATEX
COM · Common Stock · CUSIP 03676C100
- SectorCommunication
- IndustryTelephone Communications (No Radiotelephone)
- HeadquartersWoodland Park, NJ
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Shares outstanding: 18.9m as of 2023-02-07, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $31.91. Options: 5 managers hold calls ($4.9m notional), 3 hold puts ($2.9m).
Trends to Q4 2022
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 100 |
| Q4 2022 | 93 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2022 | $1.0m | $7.0k | 0.01 |
| Q4 2022 | $4.9m | $2.9m | 0.58 |
Biggest buyers
| Heard Capital LLC | Added | +306.2k |
| MORGAN STANLEY | Added | +145.2k |
| STATE STREET CORP | Added | +54.9k |
| BlackRock Inc. | Added | +52.9k |
| GARNET EQUITY CAPITAL HOLDINGS, INC. | Added | +46.0k |
| Roubaix Capital, LLC | Added | +40.9k |
| JANE STREET GROUP, LLC | Added | +27.6k |
| GAMCO INVESTORS, INC. ET AL | Added | +20.8k |
| GEODE CAPITAL MANAGEMENT, LLC | Added | +19.6k |
| GABELLI FUNDS LLC | Added | +18.5k |
Biggest sellers
| Bain Capital Credit, LP | Sold out | -681.0k |
| GOLDMAN SACHS GROUP INC | Reduced | -87.4k |
| CITADEL ADVISORS LLC | Reduced | -46.4k |
| SIRIOS CAPITAL MANAGEMENT L P | Sold out | -45.3k |
| O'Brien Greene & Co. Inc | Sold out | -39.6k |
| STONEHILL CAPITAL MANAGEMENT LLC | Reduced | -24.7k |
| RENAISSANCE TECHNOLOGIES LLC | Sold out | -20.6k |
| Resolute Capital Asset Partners LLC | Reduced | -14.5k |
| DIMENSIONAL FUND ADVISORS LP | Reduced | -13.3k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Sold out | -10.8k |
Biggest calls
| JANE STREET GROUP, LLC | New | $2.8m87.9k shares |
| CITADEL ADVISORS LLC | Added | $1.1m35.5k shares |
| WOLVERINE TRADING, LLC | New | $611.0k19.0k shares |
| SIMPLEX TRADING, LLC | Added | $366.0k11.4k shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Biggest puts
| JANE STREET GROUP, LLC | New | $2.7m85.0k shares |
| CITADEL ADVISORS LLC | New | $122.2k3.8k shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| Owl Creek Asset Management, L.P. 13D · may seek influence filed 2026-07-08 | 28.5% |
| T. Rowe Price Investment Management, Inc. 13G · institution new · filed 2026-07-08 | 12.0% |
Heard Capital LLC
13D · may seek influence
filed 2025-03-05
Stated purposeItem 4 is hereby amended to add the following: On February 28, 2025, Mr. Heard elected to begin receiving stock compensation under the Issuer's non-employee director compensation program. Full filing |
9.4% |
Fell to 5% or below in the last year: BlackRock, Inc. (4.7%, 2026-10-27), VANGUARD GROUP INC (5.0%, 2026-01-30), DG Capital Management, LLC (4.0%, 2025-11-12)
Insider purchases and sales in Q4 2022
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q1 2021 | 0 | — | 0 | — | — |
| Q2 2021 | 0 | — | 0 | — | — |
| Q3 2021 | 0 | — | 0 | — | — |
| Q4 2021 | 2 | $263.8k | 2 | $1.4m | — |
| Q1 2022 | 0 | — | 3 | $1.5m | — |
| Q2 2022 | 1 | $4.3k | 2 | $1.2m | — |
| Q3 2022 | 1 | $3.7k | 0 | — | — |
| Q4 2022 | 0 | — | 2 | $345.5k | — |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2022-11-28 | Ashe Gena L Chief Legal Officer & Corp Sec | Sold | $9.9k279 shares |
| 2022-11-25 | Guttman-McCabe Christopher Chief Reg & Comm Officer | Sold | $301.7k8.3k shares |
| 2022-11-08 | Ashe Gena L Chief Legal Officer & Corp Sec | Sold | $33.9k920 shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q4 2022
| Manager | Shares | Change |
|---|---|---|
| Owl Creek Asset Management, L.P. 12.31% of their portfolio | 5.4m $174.1m | Unchanged |
| Heard Capital LLC 5.26% of their portfolio | 1.5m $48.6m | Added +306.2k |
| MORGAN STANLEY 0.01% of their portfolio | 1.4m $45.5m | Added +145.2k |
| BlackRock Inc. 0.00% of their portfolio | 1.3m $41.5m | Added +52.9k |
| STONEHILL CAPITAL MANAGEMENT LLC 30.38% of their portfolio | 874.9k $28.1m | Reduced -24.7k |
| VANGUARD GROUP INC 0.00% of their portfolio | 800.6k $25.8m | Added +9.8k |
| QVT Financial LP 0.97% of their portfolio | 503.9k $16.2m | Unchanged |
| Price Jennifer C. 3.08% of their portfolio | 400.0k $12.9m | Unchanged |
| STATE STREET CORP 0.00% of their portfolio | 386.9k $12.4m | Added +54.9k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 366.9k $11.8m | Added +19.6k |
| Clearbridge Investments, LLC 0.01% of their portfolio | 307.9k $9.9m | Reduced -3.2k |
| DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio | 290.9k $9.4m | Reduced -13.3k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 178.7k $5.7m | Added +6.4k |
| Roubaix Capital, LLC 4.11% of their portfolio | 157.7k $5.1m | Added +40.9k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 137.7k $4.4m | Added +2.0k |
| PenderFund Capital Management Ltd. 1.64% of their portfolio | 126.5k $5.5k | Unchanged |
| TUDOR INVESTMENT CORP ET AL 0.10% of their portfolio | 121.8k $3.9m | Reduced -664 |
| GABELLI FUNDS LLC 0.03% of their portfolio | 115.5k $3.7m | Added +18.5k |
| FMR LLC 0.00% of their portfolio | 111.1k $3.6m | Reduced -9.2k |
| Resolute Capital Asset Partners LLC 2.66% of their portfolio | 92.6k $3.0m | Reduced -14.5k |
| SCOGGIN MANAGEMENT LP 3.58% of their portfolio | 87.5k $2.8m | Added +12.5k |
| GARNET EQUITY CAPITAL HOLDINGS, INC. 6.41% of their portfolio | 86.2k $2.8m | Added +46.0k |
| STATE OF WISCONSIN INVESTMENT BOARD 0.01% of their portfolio | 78.1k $2.5m | Reduced -816 |
| Bank of New York Mellon Corp 0.00% of their portfolio | 66.7k $2.1m | Reduced -221 |
| Teton Advisors, Inc. 0.52% of their portfolio | 63.0k $2.0m | Unchanged |
| KIRR MARBACH & CO LLC /IN/ 0.54% of their portfolio | 54.0k $1.7m | Reduced -9.7k |
| Nuveen Asset Management, LLC 0.00% of their portfolio | 45.6k $1.5m | Reduced -6.6k |
| JANE STREET GROUP, LLC 0.00% of their portfolio | 43.1k $1.4m | Added +27.6k |
| Swiss National Bank 0.00% of their portfolio | 32.0k $1.0m | Added +600 |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 30.6k $983.0k | Reduced -87.4k |
| GAMCO INVESTORS, INC. ET AL 0.01% of their portfolio | 30.3k $974.8k | Added +20.8k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 27.9k $898.7k | Added +6.0k |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 23.1k $742.0k | Added +561 |
| D. E. Shaw & Co., Inc. 0.00% of their portfolio | 20.5k $658.8k | Added +811 |
| CenterBook Partners LP 0.10% of their portfolio | 19.4k $622.8k | Reduced -4.7k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 18.9k $606.9k | Added +194 |
| SG Americas Securities, LLC 0.01% of their portfolio | 17.2k $554.0k | Added +5.2k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 15.1k $486.0k | Added +1.4k |
| WOODMONT INVESTMENT COUNSEL LLC 0.05% of their portfolio | 14.4k $464.9k | Added +2.8k |
| Alpha Paradigm Partners, LLC 0.18% of their portfolio | 13.9k $447.0k | Reduced -1.2k |
| MARTINGALE ASSET MANAGEMENT L P 0.01% of their portfolio | 13.3k $428.0k | Added +5 |
| NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio | 12.9k $413.7k | Added +1.4k |
| THOMPSON SIEGEL & WALMSLEY LLC 0.01% of their portfolio | 12.5k $404.0k | Added +9.3k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 11.9k $384.2k | Unchanged |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 11.4k $366.7k | Added +2.9k |
| NJ State Employees Deferred Compensation Plan 0.06% of their portfolio | 11.0k $353.9k | Unchanged |
| COMMONWEALTH EQUITY SERVICES, LLC 0.00% of their portfolio | 10.3k $332.0k | Unchanged |
| Aureus Asset Management, LLC 0.03% of their portfolio | 9.9k $319.4k | Unchanged |
| MetLife Investment Management, LLC 0.00% of their portfolio | 9.8k $316.5k | Unchanged |
| TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio | 9.5k $304.4k | New |
| CREDIT SUISSE AG/ 0.00% of their portfolio | 9.4k $303.5k | Reduced -540 |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 8.9k $286.3k | Added +1.0k |
| GROUP ONE TRADING LLC 0.01% of their portfolio | 8.8k $283.5k | Added +6.7k |
| AMERICAN INTERNATIONAL GROUP, INC. 0.00% of their portfolio | 8.7k $280.1k | Reduced -32 |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 8.2k $263.1k | Reduced -46.4k |
| LPL Financial LLC 0.00% of their portfolio | 7.4k $239.3k | Reduced -1.2k |
| TWO SIGMA ADVISERS, LP 0.00% of their portfolio | 7.1k $228.4k | Added +500 |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio | 7.0k $226.3k | New |
| VOYA INVESTMENT MANAGEMENT LLC 0.00% of their portfolio | 7.0k $225.1k | Unchanged |
| UBS Group AG 0.00% of their portfolio | 6.7k $213.9k | Added +6.2k |
| Legal & General Group Plc 0.00% of their portfolio | 5.5k $176.9k | Unchanged |
| BARCLAYS PLC 0.00% of their portfolio | 4.9k $159.0k | First filing |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 3.3k $108.0k | Added +3.0k |
| LAZARD ASSET MANAGEMENT LLC 0.00% of their portfolio | 3.1k $99.0k | Added +1.5k |
| AMALGAMATED BANK 0.00% of their portfolio | 2.5k $82.0k | Unchanged |
| SIMPLEX TRADING, LLC 0.00% of their portfolio | 1.7k $54.0k | Reduced -978 |
| Ameritas Investment Partners, Inc. 0.00% of their portfolio | 1.4k $53.6k | Unchanged |
| Metropolitan Life Insurance Co/NY 0.00% of their portfolio | 1.1k $35.9k | Unchanged |
| EMERALD ADVISERS, LLC 0.00% of their portfolio | 1.1k $35.4k | Unchanged |
| Spire Wealth Management 0.00% of their portfolio | 934 $30.0k | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% of their portfolio | 912 $29.3k | Unchanged |
| CANADA LIFE ASSURANCE Co 0.00% of their portfolio | 834 $27.0k | Unchanged |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 609 $19.6k | Reduced -182 |
| CITIGROUP INC 0.00% of their portfolio | 475 $15.3k | Reduced -230 |
| US BANCORP \DE\ 0.00% of their portfolio | 466 $15.0k | Added +244 |
| QUADRANT CAPITAL GROUP LLC 0.00% of their portfolio | 458 $14.7k | Added +449 |
| Tower Research Capital LLC (TRC) 0.00% of their portfolio | 397 $13.0k | Reduced -933 |
| OSAIC HOLDINGS, INC. 0.00% of their portfolio | 286 $9.0k | Added +48 |
| NISA INVESTMENT ADVISORS, LLC 0.00% of their portfolio | 216 $7.0k | Unchanged |
| SIGNATUREFD, LLC 0.00% of their portfolio | 199 $6.4k | Added +127 |
| BAILLIE GIFFORD & CO 0.00% of their portfolio | 162 $5.2k | Unchanged |
| PRIVATE TRUST CO NA 0.00% of their portfolio | 150 $5.0k | Reduced -40 |
| Lindbrook Capital, LLC 0.00% of their portfolio | 92 $3.0k | Reduced -40 |
| CWM, LLC 0.00% of their portfolio | 83 $3.0k | Reduced -239 |
| Parallel Advisors, LLC 0.00% of their portfolio | 73 $2.3k | Added +25 |
| Glassman Wealth Services 0.00% of their portfolio | 43 $1.4k | Reduced -20 |
| Global Retirement Partners, LLC 0.00% of their portfolio | 39 $1.3k | Unchanged |
| UMB Bank, n.a. 0.00% of their portfolio | 29 $1.0k | Not comparable |
| PNC Financial Services Group, Inc. 0.00% of their portfolio | 12 $386 | Reduced -82 |
| Farther Finance Advisors, LLC 0.00% of their portfolio | 11 $354 | First filing |
| Ellevest, Inc. 0.00% of their portfolio | 6 $193 | New |
| Covestor Ltd 0.00% of their portfolio | 3 $0 | Unchanged |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0.00% of their portfolio | 0 $0 | Unchanged |