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

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.