13F

Stock

Anterix Inc.

ATEX · held by 117 managers

Reported value

$349.4M

Holders

117

+0 new · −1 exited

Holders’ est. mark

$127.4K

Price effect on 7 books still in the name

Largest holder

$118.1M

Owl Creek Asset Management, L.P.

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
Owl Creek Asset Management, L.P.5.41M$118.1MHeld
Heard Capital LLC1.72M$37.5MHeld
BlackRock, Inc.1.02M$22.2MHeld
Vanguard931.3K$20.3MHeld
QVT Financial LP503.9K$11MHeld
Jefferies Financial Group Inc.454.5K$9.92MHeld
MILLENNIUM MANAGEMENT LLC439.9K$9.6MHeld
GAMCO INVESTORS, INC. ET AL422.5K$9.22MHeld
GARNET EQUITY CAPITAL HOLDINGS, INC.397.4K$8.68MHeld
GEODE CAPITAL MANAGEMENT, LLC360.1K$7.86MHeld
State Street333.8K$7.29MHeld
DIMENSIONAL FUND ADVISORS LP324.9K$7.09MHeld
GABELLI FUNDS LLC304.9K$6.66MHeld
MARSHALL WACE, LLP291.3K$6.36MHeld
AYAL Capital Advisors Ltd265K$5.78MHeld
Potomac Capital Management, Inc.161.4K$3.52MHeld
JANE STREET GROUP, LLC159K$3.47MHeld
Beartown Capital Management, LLC145K$3.17MHeld
BANK OF AMERICA CORP /DE/143.1K$3.12M$49.1KAdded$194K
CHARLES SCHWAB INVESTMENT MANAGEMENT INC138.7K$3.03MHeld
TUDOR INVESTMENT CORP ET AL124.9K$2.73M$45KCut−$35.3K
Qube Research & Technologies Ltd124.6K$2.72MHeld
GOLDMAN SACHS GROUP INC124.6K$2.72MHeld
NORTHERN TRUST CORP114.3K$2.49MHeld
MORGAN STANLEY109.4K$2.39M$26.1KAdded$833.8K
Citadel108.4K$2.37MHeld
KIRR MARBACH & CO LLC /IN/100.4K$2.19MHeld
Man Group plc100.1K$2.19MHeld
Atom Investors LP83.1K$1.81MHeld
Bank of New York Mellon Corp68.8K$1.5MHeld
D. E. Shaw & Co., Inc.61.8K$1.35MHeld
Nuveen, LLC53.2K$1.16MHeld
Squarepoint Ops LLC53.1K$1.16MHeld
Teton Advisors, LLC53K$1.16MHeld
Waterfront Wealth Inc.48.6K$1.15MHeld
Fidelity51K$1.11MHeld
Schonfeld Strategic Advisors LLC49.5K$1.08MHeld
UBS Group AG48.8K$1.07MHeld
Trexquant Investment LP46.4K$1.01MHeld
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP33.4K$729.1KHeld
Creative Planning30.8K$671.9KHeld
GABELLI & Co INVESTMENT ADVISERS, INC.30.6K$669.1KHeld
SUSQUEHANNA INTERNATIONAL GROUP, LLP28.7K$627.5KHeld
Campbell & CO Investment Adviser LLC27.5K$600.4KHeld
STRS OHIO26.5K$578.5KHeld
SIMPLEX TRADING, LLC22.6K$492.3KHeld
DG Capital Management, LLC21.2K$463.8KHeld
Sandia Investment Management LP20K$436.6KHeld
Proficio Capital Partners LLC20K$436.6KHeld
BARCLAYS PLC18.8K$410.2K$5.9KAdded$58K
STATE OF WISCONSIN INVESTMENT BOARD18.4K$402.4KHeld
Balyasny Asset Management L.P.17.7K$387.3KHeld
WOODMONT INVESTMENT COUNSEL LLC17.3K$378KHeld
ALLIANCEBERNSTEIN L.P.15.4K$336.8KHeld
EntryPoint Capital, LLC15K$327.7KHeld
RHUMBLINE ADVISERS14.9K$325.7KHeld
XTX Topco Ltd14.3K$311.2KHeld
IMC-Chicago, LLC13.4K$292KHeld
Marble Bar Asset Management LLP13.3K$289.6KHeld
Jefferson Bridge Capital, LLC12.9K$282.7KHeld
Verition Fund Management LLC12.6K$275.1KHeld
WELLS FARGO & COMPANY/MN12.4K$270.1KHeld
Caption Management, LLC10.5K$229.1KHeld
Quantinno Capital Management LP9.49K$207.1KHeld
AlphaQuest LLC8.8K$192.1KHeld
Aquatic Capital Management LLC8.68K$189.4KHeld
MetLife Investment Management, LLC6.75K$147.3KHeld
GROUP ONE TRADING LLC6.17K$134.8KHeld
Central Pacific Bank - Trust Division6K$131KHeld
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.5.21K$113.8KHeld
JPMORGAN CHASE & CO4.67K$102KHeld
TORONTO DOMINION BANK4.3K$93.9KHeld
DEUTSCHE BANK AG\4.29K$93.6KHeld
VIRTUS ADVISERS, LLC3.5K$76.4K$1.26KAdded$1.26K
Police & Firemen's Retirement System of New Jersey3.07K$67KHeld
NEW YORK STATE COMMON RETIREMENT FUND2.71K$59.1KHeld
Legal & General Group Plc2.55K$55.7KHeld
BNP PARIBAS FINANCIAL MARKETS2.49K$54.4KHeld
Russell Investments Group, Ltd.1.28K$28KHeld
ROYAL BANK OF CANADA1.21K$26KHeld
Ameritas Investment Partners, Inc.1.03K$22.6KHeld
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM693$15.1KHeld
CITIGROUP INC628$13.7KHeld
Tower Research Capital LLC (TRC)608$13.3KHeld
Parallel Advisors, LLC570$12.4KHeld
Pinnacle Wealth Planning Services, Inc.304$6.64KHeld
SIGNATUREFD, LLC250$5.46KHeld
NISA INVESTMENT ADVISORS, LLC203$4.43KHeld
Allworth Financial LP197$4.3K$21Added$3.03K
PNC Financial Services Group, Inc.193$4.21KHeld
Quarry LP188$4.1KHeld
Private Wealth Management Group, LLC185$4.04KHeld
OSAIC HOLDINGS, INC.167$3.65KHeld
LOS ANGELES CAPITAL MANAGEMENT LLC141$2.76KHeld
Optiver Holding B.V.124$2.71KHeld
Farther Finance Advisors, LLC123$2.69KHeld
US BANCORP \DE\114$2.49KHeld
Arax Advisory Partners89$1.94KHeld
Sterling Capital Management LLC73$1.59KHeld
GSA CAPITAL PARTNERS LLP73K$1.59KHeld
WPG Advisers, LLC55$1.2KHeld
SG Americas Securities, LLC48.5K$1.06KHeld
HRT FINANCIAL LP43.1K$940Held
MassMutual Private Wealth & Trust, FSB37$808Held
Blue Trust, Inc.27$589Held
FEDERATED HERMES, INC.19$415Held
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC13$284Held
Covestor Ltd12K$263Held
Trust Co12$262Held
Essential Partners LLC11$240$4Cut−$490
Global Retirement Partners, LLC9$196Held
GAMMA Investing LLC7$153Held
EverSource Wealth Advisors, LLC4$87Held
Transamerica Financial Advisors, LLC3$65Held
Hughes Financial Services, LLC2$44Held
AMALGAMATED BANK354$8Held
CWM, LLC322$7Held

Who left

Positions as of Q4 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.