ATEX

Anterix INC

+$323.0M

Net Activity

Institutions Holding

133

Popularity Rank

#3834

Avg Weight

0.49%

Total Value

$680.1M

Ownership Trend

133 institutions currently hold ATEX, with 80 net buyers and 47 net sellers this quarter.

Institutional Moves

Institutional Moves (Q1 2026)

Majority Increased

Based on recent trading activity

Net Selling Institutions

47

Net Buying Institutions

80

Key Holders

Key Holders

Top 5 by Value

OC
Owl Creek Asset Management, L.P.
$206.7M
HC
Heard Capital LLC
$65.6M
BI
BlackRock, Inc.
$38.5M
VC
Vanguard Capital Management LLC
$21.9M
QF
QVT Financial LP
$19.2M

Top 5 by Conviction

OC
Owl Creek Asset Management, L.P.
14.95%
PM
Plustick Management LLC
9.21%
PC
Potomac Capital Management, Inc.
6.02%
PC
Potrero Capital Research LLC
5.38%
GC
Gratia Capital, LLC
4.83%
View all 133 holding institutions

Quarterly Activity

Recent Activity

+$245.0M

Total Buy Value

$102.7M

Total Sell Value

New buy34
Trim28
Add46
Sold out19

80

Net Buyers

47

Net Sellers

Insider Trading (Form 4)

Form 144 Pre-Sale Notices

4

Filings (90d)

$12.38M

Total Est. Value

152K shares

Planned Shares

Last Filed 2026-06-17
FilerFiling DateEst. Value
Marquez Elena2026-06-17$341K
YAZDI MAHVASH2026-06-16$560K
Guttman-McCabe Christopher2026-06-15$10.04M
Ashe Gena L2026-06-15$1.44M

Form 144 is a planned sale notice, not an executed transaction. Form 144 Tracker。

Beneficial Ownership (13D/13G)

1

Active 5%+ Holders

Data as of 2026-07-08
Reporting PersonTypeFiling Date% of Class
Owl Creek Asset Management, L.P.13D/A2026-07-0828.5%

View all Schedule 13D/13G filings

Material Events (8-K)

No Form 8-K filings for this ticker

FAQ

Who are the top institutional investors holding ANTERIX INC (ATEX)?
Major stakeholders currently include Owl Creek Asset Management, L.P. ($206.7M), Heard Capital LLC ($65.6M), BlackRock, Inc. ($38.5M). Based on the latest 13F filings, there are a total of 133 tracked investment funds and institutions maintaining positions in ATEX.
What is the overall institutional sentiment toward ATEX recently?
Institutional sentiment appears Bullish (Net Buying). During the most recent reporting quarter, the stock experienced a net inflow of $323.0M, driven by 80 managers accumulating shares while 47 reduced their exposure.
Which institutions have been selling or reducing their ATEX positions?
In the latest period, 28 funds trimmed their holdings, and 19 managers completely exited their positions. The aggregate reported sell value was $102.7M.
Are there any notable investors adding ATEX to their portfolios?
Yes, buying activity remains notable. 34 institutions opened new positions in {ticker}, and 46 existing holders added to their shares. The total reported buy value for the quarter amounted to $245.0M.

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