Security key
03676C100
Anterix Inc. - Common Stock, par value $0.0001 per share (ATEX)
CUSIP: 03676C100
Q1 2021 13F Holders as of 31 Mar 2021
- Security type / class
- Equity / Common Stock, par value $0.0001 per share
- Total 13F shares
- 15,500,931
- Total 13F value
- $731,032,284
- Share change
- +909,358
- Put/Call ratio
- 46%
- SEC-reported price per share
- $47.16
- Number of holders
- 96
- Value change
- +$49,980,240
- Number of buys
- 55
- Number of sells
- 35
- Shares outstanding
- 19,479,593
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2021
Institutions
96
Top holders
10
ATEX full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2021
Previous quarter: Q4 2020
Anterix Inc. SEC filings
Anterix Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 03676C100
Recent filing periods:
Ownership snapshot
Top reported holders of ATEX - Anterix Inc. - Common Stock, par value $0.0001 per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Owl Creek Asset Managemen...
Disclosed value leader
Owl Creek Asset Managemen...
Comparable rows
15/15
Latest evidence
31 Dec 2020
13F
Lead comparable stake: 27%
Showing 1-6 of 15 holder rows.
Quick read
Owl Creek Asset Management, L.P. leads the comparable SEC ownership view at 27%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Owl Creek Asset Management, L.P.'s linked filing trail.
Comparable ownership
Top 5
Owl Creek Asset Management, L.P.
27%
Lomas Capital Management, LLC
8.2%
Allianz Asset Management GmbH
7%
MORGAN STANLEY
6.7%
BlackRock Finance, Inc.
4.2%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Owl Creek Asset Management, L.P. |
13F
Company
|
27%
|
$197,438,000
5,251,015 shares
|
— | 31 Dec 2020 |
| Lomas Capital Management, LLC |
13F
Company
|
8.2%
|
$59,949,000
1,594,396 shares
|
— | 31 Dec 2020 |
| Allianz Asset Management GmbH |
13F
Company
|
7%
|
$51,067,000
1,358,156 shares
|
— | 31 Dec 2020 |
| MORGAN STANLEY |
13F
Company
|
6.7%
|
$49,142,000
1,306,973 shares
|
— | 31 Dec 2020 |
| BlackRock Finance, Inc. |
13F
Company
|
4.2%
|
$30,746,000
817,695 shares
|
— | 31 Dec 2020 |
| Bain Capital Credit, LP |
13F
Company
|
4.1%
|
$30,366,000
807,610 shares
|
— | 31 Dec 2020 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
96
Shares
15,500,931
Rows available
96
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2021 vs Q4 2020 Across Filers
Q4 2020 holders
86
Q1 2021 holders
96
Holder diff
10
| Investor | Q4 2020 Shares | Q1 2021 Shares | Share Diff | Share Chg % | Q4 2020 value | Q1 2021 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend