13F

Stock

Anterix Inc.

ATEX · held by 132 managers

Reported value

$638.1M

Holders

132

+34 new · −20 exited

Holders’ est. mark

$217M

Price effect on 94 books still in the name

Largest holder

$206.7M

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$206.7M$88.5MAdded$88.5M
Heard Capital LLC1.72M$65.6M$28.1MAdded$28.1M
BlackRock, Inc.1.01M$38.5M$16.5MAdded$16.2M
VANGUARD CAPITAL MANAGEMENT LLC573.8K$21.9MHeld
QVT Financial LP503.9K$19.2M$8.24MAdded$8.24M
PLUSTICK MANAGEMENT LLC499.6K$19.1MNew
GAMCO INVESTORS, INC. ET AL425.8K$16.3M$6.91MAdded$7.04M
DIMENSIONAL FUND ADVISORS LP424.9K$16.2M$5.31MAdded$9.13M
JANE STREET GROUP, LLC420.9K$16.1M$2.6MAdded$12.6M
State Street387.9K$14.8M$5.46MAdded$7.53M
GEODE CAPITAL MANAGEMENT, LLC374.3K$14.3M$5.89MAdded$6.44M
GARNET EQUITY CAPITAL HOLDINGS, INC.343.5K$13.1M$5.62MAdded$4.44M
MILLENNIUM MANAGEMENT LLC307.9K$11.8M$5.04MAdded$2.16M
GABELLI FUNDS LLC265.8K$10.2M$4.35MAdded$3.49M
Potrero Capital Research LLC229.6K$8.77MNew
AYAL Capital Advisors Ltd197.1K$7.53M$3.22MAdded$1.74M
Potomac Capital Management, Inc.173.8K$6.64M$2.64MAdded$3.11M
DG Capital Management, LLC168.2K$6.42M$347.6KAdded$5.96M
BANK OF AMERICA CORP /DE/167.8K$6.41M$2.34MAdded$3.28M
VANGUARD PORTFOLIO MANAGEMENT LLC164.5K$6.28MHeld
GOLDMAN SACHS GROUP INC161.8K$6.18M$2.04MAdded$3.46M
Citadel161.2K$6.15M$1.77MAdded$3.79M
CHARLES SCHWAB INVESTMENT MANAGEMENT INC141.4K$5.4M$2.27MAdded$2.37M
Fidelity135.3K$5.17M$835.1KAdded$4.05M
Panoramic Capital, LLC135K$5.16MNew
CenterBook Partners LP127.7K$4.88MNew
CITIGROUP INC119.9K$4.58M$10.3KAdded$4.56M
VANGUARD FIDUCIARY TRUST CO119.5K$4.56MHeld
NORTHERN TRUST CORP117.6K$4.49M$1.87MAdded$2M
KIRR MARBACH & CO LLC /IN/113.8K$4.35M$1.64MAdded$2.15M
ARDSLEY ADVISORY PARTNERS LP110K$4.2MNew
MORGAN STANLEY102.7K$3.92M$1.68MAdded$1.53M
Beartown Capital Management, LLC100K$3.82M$1.64MAdded$653.6K
GRATIA CAPITAL, LLC87.5K$3.34MNew
Atom Investors LP84.2K$3.21M$1.36MAdded$1.4M
OpenArc Corporate Advisory, LLC73.8K$2.82MNew
Bank of New York Mellon Corp67.8K$2.59M$1.11MAdded$1.09M
Waterfront Wealth Inc.60K$2.29M$707KAdded$1.14M
Squarepoint Ops LLC59.7K$2.28M$869KAdded$1.12M
Marble Bar Asset Management LLP53.5K$2.04M$217KAdded$1.75M
Teton Advisors, LLC53K$2.02M$867.1KAdded$867.1K
Resolute Capital Asset Partners LLC51.1K$1.95MNew
UBS Group AG47.9K$1.83M$783.2KAdded$763.3K
683 Capital Management, LLC46K$1.76MNew
SIMPLEX TRADING, LLC43.8K$1.67M$368.9KAdded$1.18M
Campbell & CO Investment Adviser LLC40.5K$1.55M$450KAdded$944.7K
Trexquant Investment LP40.2K$1.53M$657.3KAdded$521.4K
SUSQUEHANNA INTERNATIONAL GROUP, LLP39.8K$1.52M$470.2KAdded$892.4K
Creative Planning32K$1.22M$503.5KAdded$548.8K
IMC-Chicago, LLC30.4K$1.16M$218.8KAdded$867.5K
Schonfeld Strategic Advisors LLC23.2K$886.4K$379.7KCut−$193.3K
Nuveen, LLC22.9K$873.6K$374.2KCut−$286.8K
Proficio Capital Partners LLC20K$763.8K$327.2KAdded$327.2K
Apis Capital Advisors, LLC19.7K$753.9KNew
WOODMONT INVESTMENT COUNSEL LLC18.3K$699.1K$283.3KAdded$321.1K
GWN SECURITIES INC.16.5K$628.9KNew
STRS OHIO15.7K$599.6K$256.9KAdded$21.1K
Quantinno Capital Management LP15.6K$596.5K$155.2KAdded$389.4K
Quadrature Capital Ltd14.5K$553.8KNew
RHUMBLINE ADVISERS14.1K$539K$230.9KAdded$213.4K
Inspire Investing, LLC13.3K$508.3KNew
STATE OF WISCONSIN INVESTMENT BOARD13.3K$506.7K$217.1KAdded$104.4K
Jefferson Bridge Capital, LLC12.9K$494.6K$211.9KAdded$211.9K
Icahn Capital11.1K$423.9KNew
DEUTSCHE BANK AG\9.44K$360.7K$70.2KAdded$267K
TORONTO DOMINION BANK9.1K$347.5K$70.3KAdded$253.7K
J. Goldman & Co LP9.03K$345KNew
ExodusPoint Capital Management, LP8.79K$335.8KNew
Quantbot Technologies LP8.62K$329.2KNew
Gem Investment Advisors, LLC7.18K$274.3KNew
Vanguard Global Advisers, LLC6.97K$266KHeld
ALLIANCEBERNSTEIN L.P.12.1K$264.8K$0Cut−$72K
AMERICAN CENTURY COMPANIES INC6.66K$254.4KNew
MetLife Investment Management, LLC6.6K$252.1K$108KAdded$104.8K
PRUDENTIAL FINANCIAL INC6.46K$246.6KNew
Central Pacific Bank - Trust Division6K$229.1K$98.2KAdded$98.2K
WELLS FARGO & COMPANY/MN5.9K$225.4K$96.6KCut−$44.6K
D. E. Shaw & Co., Inc.5.7K$217.5K$93.2KCut−$1.13M
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.5.42K$207.2K$85.3KAdded$93.4K
Brooklyn Investment Group5.28K$201.8KNew
JPMORGAN CHASE & CO5.08K$185.2K$68.5KAdded$83.2K
VIRTUS ADVISERS, LLC3.5K$133.7K$57.3KAdded$57.3K
Police & Firemen's Retirement System of New Jersey3.07K$117.2K$50.2KAdded$50.2K
ROYAL BANK OF CANADA3.03K$116K$20.2KAdded$90K
Crewe Advisors LLC3K$114.6KNew
NEW YORK STATE COMMON RETIREMENT FUND2.71K$103.5K$44.3KAdded$44.3K
BNP PARIBAS FINANCIAL MARKETS2.48K$94.6K$40.5KAdded$40.2K
Legal & General Group Plc2.4K$91.5K$39.2KAdded$35.8K
BARCLAYS PLC2.16K$82.5K$35.3KCut−$327.7K
FIFTH THIRD BANCORP1.69K$64.3KNew
Russell Investments Group, Ltd.1.13K$43.3K$18.6KAdded$15.3K
IFP Advisors, Inc1.08K$41.2KNew
Ameritas Investment Partners, Inc.1.03K$39.5K$16.9KAdded$16.9K
Parallel Advisors, LLC933$35.6K$9.33KAdded$23.2K
Tower Research Capital LLC (TRC)856$32.7K$9.95KAdded$19.4K
Destiny Wealth Partners, LLC775$29.6KNew
Pinnacle Wealth Planning Services, Inc.612$23.4K$4.97KAdded$16.7K
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM609$23.3K$9.96KAdded$8.13K
Caitong International Asset Management Co., Ltd568$21.7KNew
CWM, LLC512$19.6K$12.3KAdded$19.5K
SIGNATUREFD, LLC449$17.1K$4.09KAdded$11.7K
Versant Capital Management, Inc405$15.5KNew
Allworth Financial LP242$9.24K$3.22KAdded$4.94K
US BANCORP \DE\224$8.55K$1.86KAdded$6.07K
PNC Financial Services Group, Inc.211$8.06K$3.16KAdded$3.85K
NISA INVESTMENT ADVISORS, LLC203$7.75K$3.32KAdded$3.32K
OSAIC HOLDINGS, INC.192$7.33K$2.73KAdded$3.69K
Private Wealth Management Group, LLC185$7.07K$3.03KAdded$3.03K
HRT FINANCIAL LP174.9K$6.68K$706Added$5.74K
LOS ANGELES CAPITAL MANAGEMENT LLC141$5.38K$2.62KAdded$2.62K
Farther Finance Advisors, LLC132$5.16K$2.13KAdded$2.48K
Optiver Holding B.V.100$3.82K$1.64KAdded$1.11K
Sterling Capital Management LLC73$2.79K$1.19KAdded$1.19K
GAMMA Investing LLC67$2.56K$114Added$2.41K
WPG Advisers, LLC55$2.1K$899Added$899
FEDERATED HERMES, INC.50$1.91K$311Added$1.5K
Root Financial Partners, LLC47$1.79KNew
MassMutual Private Wealth & Trust, FSB37$1.41K$605Added$605
Blue Trust, Inc.27$1.03K$442Added$442
North Star Investment Management Corp.22$840New
MAI Capital Management20$764New
Virtu Financial LLC17.9K$683New
Essential Partners LLC17$649$180Added$409
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC13$496$212Added$212
Trust Co12$458$196Added$196
FNY Investment Advisers, LLC11.2K$428New
EverSource Wealth Advisors, LLC9$345$66Added$258
Covestor Ltd8.51K$325$139Added$62
PRICE T ROWE ASSOCIATES INC /MD/7.96K$304New
Sunbelt Securities, Inc.3$115New
Transamerica Financial Advisors, LLC3$114$49Added$49
Hughes Financial Services, LLC2$76$32Added$32

Who left

Positions as of Q1 2026. 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.