AnterixATEX

13F holders, Q2 2025 (June 30)
111holders −17
14new positions
33sold out
5famous investors
$25.65avg. 13F price*

At the end of Q2 2025, 111 institutions reported holding Anterix Inc. (ATEX) in their 13F filings, down 17 from Q1 2025. 14 opened new positions and 33 sold out. The largest holders were Owl Creek Asset Management, L.P. ($138.8M), Heard Capital LLC ($44.0M) and BlackRock, Inc. ($29.3M). 5 famous investors held it, including Mario Gabelli (0.1% of GAMCO Investors's portfolio), Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).

Company
Anterix Inc.
CUSIP
03676C100
Latest filing quarter
Q2 2026

History

Number of 13F holders

050100150200 Q1 2024: 98Q1 2024Q2 2024: 115Q2 2024Q3 2024: 129Q3 2024Q4 2024: 115Q4 2024Q1 2025: 128Q1 2025Q2 2025: 111Q2 2025Q3 2025: 111Q3 2025Q4 2025: 117Q4 2025Q1 2026: 132Q1 2026Q2 2026: 171Q2 2026

Total Exit/New Position Q1 2025 → Q2 2025

InstitutionsTotal Value
New Positions14$5.3M
Exits33$18.6M

All 13F filers, Q1 2025 → Q2 2025: 1,264,972 shares bought and 817,521 shares sold, net +447,451 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 111 holders

Owl Creek Asset Management, L.P. 18.31% No change 5,411,776 $138.8M
Heard Capital LLC 2.30% No change 1,716,738 $44.0M
BlackRock, Inc. 0.00% Add +13.9% 1,140,479 $29.3M
Vanguard Group Inc. 0.00% Reduce -0.6% 1,043,613 $26.8M
DG Capital Management, LLC 10.39% Add +33.1% 858,039 $22.0M
QVT Financial LP 1.88% No change 503,941 $12.9M
Garnet Equity Capital Holdings, Inc. 4.72% Add +2.6% 397,395 $10.2M
Geode Capital Management, LLC 0.00% Add +8.7% 383,557 $9.8M
State Street Corp. 0.00% Add +4.9% 344,064 $8.8M
Dimensional Fund Advisors LP 0.00% Reduce -2.5% 337,287 $8.7M
FMR LLC 0.00% Add +9.0% 322,015 $8.3M
Scoggin Management LP 3.65% No change 300,000 $7.7M
GAMCO Investors 0.07% Add +35.0% 273,425 $7.0M
Citadel Advisors 0.01% Add +9.5% 272,789 $7.0M
AYAL Capital Advisors Ltd 3.36% Add +143.4% 240,171 $6.2M
D. E. Shaw & Co. 0.01% Reduce -6.5% 232,388 $6.0M
Bank of America Corp. 0.00% Add +25.3% 208,445 $5.3M
Clearbridge Investments, LLC 0.00% Reduce -13.6% 203,541 $5.2M
Qube Research & Technologies Ltd 0.01% Add +33.1% 203,144 $5.2M
Nuveen, LLC 0.00% Reduce -0.1% 196,720 $5.0M
Marshall Wace, LLP 0.01% Add +51.2% 188,980 $4.8M
Gabelli Funds LLC 0.03% Add +29.4% 188,152 $4.8M
Morgan Stanley 0.00% Reduce -6.3% 178,872 $4.6M
Northern Trust Corp. 0.00% Add +10.8% 139,813 $3.6M
Charles Schwab Investment Management Inc. 0.00% Add +6.0% 138,740 $3.6M
Tudor Investment Corporation 0.02% Reduce -16.3% 117,167 $3.0M
Kirr Marbach & Co. LLC 0.49% Reduce -0.1% 96,747 $2.5M
Balyasny Asset Management L.P. 0.01% Add +21.1% 93,276 $2.4M
Goldman Sachs Group Inc. 0.00% Reduce -28.8% 88,857 $2.3M
Y-Intercept (Hong Kong) Ltd 0.04% New 61,912 $1.6M
Millennium Management 0.00% Reduce -50.6% 57,561 $1.5M
Man Group plc 0.00% Add +131.5% 56,064 $1.4M
UBS Group AG 0.00% Reduce -2.7% 53,347 $1.4M
Teton Advisors, Inc. 0.81% No change 50,000 $1.3M
Schonfeld Strategic Advisors LLC 0.01% Add +83.7% 49,678 $1.3M
Trexquant Investment LP 0.01% New 40,077 $1.0M
Bank of New York Mellon Corp 0.00% Add +15.6% 37,863 $971K
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Add +52.9% 36,349 $932K
Woodmont Investment Counsel LLC 0.05% Reduce -8.9% 29,058 $745K
Rhumbline Advisers 0.00% Add +70.9% 27,998 $718K
Magnetar Financial LLC 0.00% New 25,860 $663K
Engineers Gate Manager LP 0.01% Reduce -33.8% 24,868 $638K
Barclays PLC 0.00% Reduce -25.1% 24,812 $636K
Los Angeles Capital Management LLC 0.00% Add +191.9% 20,096 $515K
Swiss National Bank 0.00% No change 19,850 $509K
Squarepoint Ops LLC 0.00% Reduce -63.1% 19,735 $506K
SG Americas Securities, LLC 0.00% Reduce -28.0% 18,140 $465K
Royal Bank of Canada 0.00% Add +5675.4% 18,077 $464K
GABELLI & Co INVESTMENT ADVISERS, INC. 0.06% New 16,350 $419K
Pekin Hardy Strauss, Inc. 0.05% New 16,250 $417K
Susquehanna International Group, LLP 0.00% Add +14.3% 15,614 $400K
Inspire Investing, LLC 0.04% Add +61.0% 15,158 $389K
Gsa Capital Partners LLP 0.03% New 14,452 $371K
Versor Investments LP 0.06% New 13,900 $357K
Deutsche Bank AG 0.00% Reduce -0.1% 13,892 $356K
Verition Fund Management LLC 0.00% Add +2.2% 13,714 $352K
LPL Financial LLC 0.00% Reduce -52.8% 13,640 $350K
Campbell & CO Investment Adviser LLC 0.02% New 12,609 $323K
JPMorgan Chase & Co. 0.00% Reduce -66.1% 12,543 $322K
Alliancebernstein L.P. 0.00% Add +16.4% 11,330 $291K
Legal & General Group Plc 0.00% Add +19.7% 11,303 $290K
NJ State Employees Deferred Compensation Plan 0.03% No change 11,000 $282K
Aquatic Capital Management LLC 0.00% Add +29.5% 9,376 $240K
Covestor Ltd 0.12% Add +102.7% 8,245 $211K
Intech Investment Management LLC 0.00% Add +27.9% 8,196 $210K
California State Teachers Retirement System 0.00% Reduce -8.5% 8,024 $206K
MetLife Investment Management, LLC 0.00% Add +42.0% 7,699 $197K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Add +17.0% 7,084 $182K
Walleye Trading LLC 0.00% Reduce -52.4% 6,865 $176K
Wells Fargo & Company 0.00% Add +13.5% 6,686 $171K
Central Pacific Bank - Trust Division 0.02% Add +71.4% 6,000 $154K
Russell Investments Group, Ltd. 0.00% Add +12.4% 5,760 $148K
Citigroup Inc. 0.00% Reduce -32.8% 5,277 $135K
AlphaQuest LLC 0.01% Add +91.1% 4,816 $124K
New Age Alpha Advisors, LLC 0.00% Add +0.2% 4,238 $109K
Meeder Asset Management Inc. 0.01% Reduce -16.2% 3,822 $98K
Virtus Advisers, LLC 0.06% New 3,500 $90K
Police & Firemen's Retirement System of New Jersey 0.00% Add +52.2% 3,069 $79K
New York State Common Retirement Fund 0.00% No change 2,709 $69K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% No change 2,649 $68K
BNP Paribas Financial Markets 0.00% Add +119.3% 2,404 $62K
Group One Trading LLC 0.00% Add +157.5% 1,962 $50K
FNY Investment Advisers, LLC 0.02% New 1,900 $48K
KLP Kapitalforvaltning As 0.00% No change 1,800 $46K
Tower Research Capital LLC (TRC) 0.00% Add +299.3% 1,645 $42K
Ameritas Investment Partners, Inc. 0.00% No change 1,033 $26K
CANADA LIFE ASSURANCE Co 0.00% No change 974 $25K
Raymond James Financial Inc. 0.00% New 439 $11K
Amalgamated Bank 0.00% No change 436 $11K
Federated Hermes, Inc. 0.00% Reduce -17.3% 277 $7K
Nisa Investment Advisors, LLC 0.00% Reduce -56.9% 208 $5K
Caitong International Asset Management Co., Ltd 0.00% Reduce -5.7% 165 $4K
Osaic Holdings, Inc. 0.00% Add +5.1% 165 $4K
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.00% New 173 $4K
Cwm, LLC 0.00% Reduce -31.8% 163 $4K
Private Trust Co. NA 0.00% Add +32.4% 135 $3K
US Bancorp \de 0.00% Add +120.4% 119 $3K
WPG Advisers, LLC 0.00% Add +3.0% 103 $3K
STRS Ohio 0.00% No change 100 $3K
Global Retirement Partners, LLC 0.00% — 50 $1K

"% of holder's portfolio" is ATEX's weight in each manager's 13F, not the share of Anterix Inc. the manager owns.

Show all 111 holders