13F

Stock

Arq, Inc.

ARQ · held by 95 managers

Reported value

$36.8M

Holders

95

+12 new · −22 exited

Holders’ est. mark

−$6.49M

Price effect on 79 books still in the name

Largest holder

$5.37M

BlackRock, Inc.

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
BlackRock, Inc.2.1M$5.37M−$1.45MCut−$1.32M
ROYCE & ASSOCIATES LP1.75M$4.48M−$1.04MCut−$293.1K
VANGUARD CAPITAL MANAGEMENT LLC1.43M$3.66MHeld
Icahn Capital1.09M$2.78M−$212.8KAdded$1.8M
MARSHALL WACE, LLP809.7K$2.07M−$315.4KAdded$620.3K
GEODE CAPITAL MANAGEMENT, LLC801.2K$2.05M−$552.6KCut−$493.5K
Peapod Lane Capital LLC775.3K$1.97M−$166.2KAdded$1.22M
DIMENSIONAL FUND ADVISORS LP762.2K$1.95M−$541.3KCut−$1.06M
State Street564.6K$1.45M−$398.9KCut−$392K
Renaissance Technologies410.6K$1.05M−$291.5KCut−$297.2K
JACOBS LEVY EQUITY MANAGEMENT, INC351.2K$899K−$186.3KAdded$41.2K
DCF Advisers, LLC327.8K$839.2K−$185KCut−$12.9K
D. E. Shaw & Co., Inc.281.8K$721.5K−$35.6KAdded$557.4K
NORTHERN TRUST CORP228.4K$584.6K−$142.5KCut−$71.9K
BANK OF AMERICA CORP /DE/203.8K$521.7K−$56.5KAdded$261.3K
VANGUARD FIDUCIARY TRUST CO203.5K$521.1KHeld
Round Rock Advisors LLC190.7K$488.2KNew
JANE STREET GROUP, LLC189.9K$486.1K−$52.7KAdded$243.4K
VANGUARD PORTFOLIO MANAGEMENT LLC184.2K$471.7KHeld
GOLDMAN SACHS GROUP INC140.9K$360.8K−$92KCut−$62.8K
SUSQUEHANNA INTERNATIONAL GROUP, LLP133K$340.6K−$41.1KAdded$151.3K
MORGAN STANLEY116K$297K−$82.4KCut−$888.5K
Corient Private Wealth LLC77.5K$198.4KNew
AMERIPRISE FINANCIAL INC75.8K$194K−$39.5KAdded$12K
BRIDGEWAY CAPITAL MANAGEMENT, LLC74.8K$191.4K−$53.1KCut−$53.1K
Bank of New York Mellon Corp73.1K$187.1K−$51.9KCut−$51.9K
XTX Topco Ltd72.7K$186K−$51.6KCut−$65.3K
STRS OHIO72.4K$185.3K−$994Added$180.8K
CHARLES SCHWAB INVESTMENT MANAGEMENT INC69.8K$178.6K−$49.5KCut−$148.4K
AMERICAN CENTURY COMPANIES INC65.1K$166.7K−$46.2KCut−$109.1K
Marex Group plc60K$153.6K−$42.6KCut−$467.7K
GABELLI FUNDS LLC52K$133.1K−$36.9KCut−$36.9K
MILLENNIUM MANAGEMENT LLC45.5K$116.5K−$32.3KCut−$145.4K
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO42.3K$108.4K−$30.1KCut−$30.1K
RHUMBLINE ADVISERS41.2K$105.5K−$29.2KCut−$29.7K
Invesco Ltd.37.7K$96.6K−$20.4KAdded$2.64K
Scientech Research LLC34.6K$88.6KNew
Nuveen, LLC33.4K$85.5K−$23.7KCut−$23.7K
FRANKLIN RESOURCES INC30.5K$78.2K−$21.7KCut−$27.4K
TWO SIGMA INVESTMENTS, LP28.7K$73.5KNew
WELLS FARGO & COMPANY/MN22.6K$57.8K−$16KCut−$88.9K
SIMPLEX TRADING, LLC22K$56.3K−$1.64KAdded$48.7K
Mariner, LLC19.2K$49.2KNew
Schonfeld Strategic Advisors LLC19.1K$49KNew
MERCER GLOBAL ADVISORS INC /ADV18.8K$48.2KNew
JPMORGAN CHASE & CO17.6K$43.7K−$13.7KCut−$93.3K
ALLIANCEBERNSTEIN L.P.12.7K$41.5K$0Held
CWM, LLC16K$41K$7.57KAdded$41K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.15.7K$40.2K−$10.9KCut−$9.91K
Vanguard Global Advisers, LLC13.9K$35.6KHeld
UBS Group AG12.9K$33.1K−$9.19KCut−$189.2K
BNP PARIBAS FINANCIAL MARKETS12.4K$31.6K−$8.77KCut−$157.4K
TWO SIGMA SECURITIES, LLC11.6K$29.7KNew
Murphy Pohlad Asset Management LLC11.6K$29.7K−$8.24KCut−$8.24K
Mraz, Amerine & Associates, Inc.11.3K$28.9K−$8.02KCut−$8.02K
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC10.8K$26.6KNew
OXFORD ASSET MANAGEMENT LLP10.1K$25.8K−$7.17KCut−$18.9K
Fidelity8.31K$21.3K−$2.18KAdded$11.2K
Avanza Fonder AB7.67K$19.6K−$5.44KCut−$24.3K
Firsthand Capital Management, Inc.6.8K$17.4K−$4.83KCut−$4.83K
ROYAL BANK OF CANADA6.27K$16K−$3.64KHeld
BARCLAYS PLC5.87K$15K−$4.17KCut−$147.9K
Police & Firemen's Retirement System of New Jersey5.53K$14.2K−$3.93KCut−$3.92K
PNC Financial Services Group, Inc.5.43K$13.9K−$16Added$13.8K
Tower Research Capital LLC (TRC)5.26K$13.5K−$3.15KCut−$1.03K
Rockefeller Capital Management L.P.4.67K$12K−$3.32KCut−$3.32K
Legal & General Group Plc2.87K$7.35K−$2.04KCut−$2.04K
Russell Investments Group, Ltd.2.84K$7.27K−$1.86KCut−$1.3K
Ameritas Investment Partners, Inc.2.42K$6.2K−$1.72KCut−$1.72K
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM1.73K$4.43K−$1.23KCut−$2K
SBI Securities Co., Ltd.1.6K$4.09K−$1.13KCut−$1.95K
CITIGROUP INC1.49K$3.81K−$1.05KCut−$68.1K
NEW YORK STATE COMMON RETIREMENT FUND1.4K$3.58K−$994Cut−$994
McMillan Office, Inc.1.39K$3.56K−$987Cut−$987
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO1.18K$3.03K−$841Cut−$841
MAI Capital Management1.15K$2.94K−$46Added$2.73K
Sterling Capital Management LLC1.06K$2.71K−$752Cut−$3.32K
Arax Advisory Partners913$2.34K−$568Cut−$279
Allworth Financial LP844$2.16K−$302Added$771
EverSource Wealth Advisors, LLC608$1.56K−$84Added$1.17K
OSAIC HOLDINGS, INC.570$1.46K−$404Cut−$1.06K
Optiver Holding B.V.320$819−$227Cut−$960
Farther Finance Advisors, LLC323$762−$294Cut−$765
GSA CAPITAL PARTNERS LLP289.2K$740−$115Added$211
Wealth Preservation Advisors, LLC239$612New
Essential Partners LLC210$538−$107Added$44
IFP Advisors, Inc169$433−$117Cut−$107
ROTHSCHILD INVESTMENT LLC143$366−$71Added$36
SJS Investment Consulting Inc.119$305−$46Added$95
Root Financial Partners, LLC64$164New
PRICE T ROWE ASSOCIATES INC /MD/16.9K$44−$12Cut−$12
True Wealth Design, LLC12$31−$6Added$4
State of Alaska, Department of Revenue4K$10−$3Cut−$3
JPL Wealth Management, LLC2$6New
ACADIAN ASSET MANAGEMENT LLC10$0$0Held

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.