ANTERIX INC.

PublicCIK: 1304492
ATEXNASDAQ
Location

WOODLAND PARK, NJ

13F Filings

Institutional Holders

ANTERIX INC.ATEX— Latest position per institution from SEC 13F filings

15

Institutional holders

16.86M

Total shares held

568.74M

Estimated value

842.79K

Avg. position size

1

OWL CREEK ASSET MANAGEMENT, L.P.

CIK 1313756

Shares

5.41M

Value

206.68M

Filed

Mar 31, 2026

2

HEARD CAPITAL LLC

CIK 1796409

Shares

1.72M

Value

65.56M

Filed

Mar 31, 2026

3

BLACKROCK FINANCE, INC.

CIK 1364742

Shares

1.11M

Value

43.96M

Filed

Jun 30, 2024

4

BLACKROCK, INC.

CIK 2012383

Shares

1.01M

Value

38.46M

Filed

Mar 31, 2026

5

VANGUARD GROUP INC

CIK 102909

Shares

931.30K

Value

20.33M

Filed

Dec 31, 2025

6

BAIN CAPITAL CREDIT, LP

CIK 1317947

Shares

681K

Value

24.32K

Filed

Sep 30, 2022

7

STONEHILL CAPITAL MANAGEMENT LLC

CIK 1266227

Shares

605.66K

Value

18.58K

Filed

Dec 31, 2024

8

VANGUARD CAPITAL MANAGEMENT LLC

CIK 2100119

Shares

573.85K

Value

21.92M

Filed

Mar 31, 2026

9

QVT FINANCIAL LP

CIK 1290162

Shares

503.94K

Value

19.25M

Filed

Mar 31, 2026

10

PLUSTICK MANAGEMENT LLC

CIK 1643351

Shares

499.60K

Value

19.08M

Filed

Mar 31, 2026

11

JANE STREET GROUP, LLC

CIK 1595888

Shares

459.46K

Value

17.55M

Filed

Mar 31, 2026

12

JEFFERIES FINANCIAL GROUP INC.

CIK 96223

Shares

454.51K

Value

9.92M

Filed

Dec 31, 2025

13

GAMCO INVESTORS, INC. ET AL

CIK 807249

Shares

425.82K

Value

16.26M

Filed

Mar 31, 2026

14

DIMENSIONAL FUND ADVISORS LP

CIK 354204

Shares

424.86K

Value

16.22M

Filed

Mar 31, 2026

15

STATE STREET CORP

CIK 93751

Shares

387.92K

Value

14.81M

Filed

Mar 31, 2026

16

GEODE CAPITAL MANAGEMENT, LLC

CIK 1214717

Shares

374.30K

Value

14.30M

Filed

Mar 31, 2026

17

CAPTION MANAGEMENT, LLC

CIK 1706766

Shares

344.90K

Value

13.17M

Filed

Mar 31, 2026

18

GARNET EQUITY CAPITAL HOLDINGS, INC.

CIK 1423876

Shares

343.50K

Value

13.12M

Filed

Mar 31, 2026

19

MILLENNIUM MANAGEMENT LLC

CIK 1273087

Shares

307.92K

Value

11.76M

Filed

Mar 31, 2026

20

MARSHALL WACE, LLP

CIK 1318757

Shares

291.25K

Value

6.36M

Filed

Dec 31, 2025

Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.