ARQ · Arq, Inc. · Holdings

$2.20 -0.03 (-1.35%) At close · Sep 11

Market Cap

$96.07M

43.67M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Use institutional holdings through the 13F API or MCP →

Quarter:

Holders: 99

Total Value: $39,717,694

Total Shares: 15,575,588

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 99 13F filers · Δ vs Mar 31, 2026

Top Holder

12.0%

−2.3 pts

Top 5

43.7%

−5.1 pts

Top 10

61.0%

−10.4 pts

HHI

545

Broadly held−122

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: +2

Institutional value: +5.6%

Shares held: +6.0%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega AQR CAPITAL MANAGEMENT LLC	+728,404	1,814,114
Mega JANE STREET GROUP, LLC	+307,835	509,225
Mega CITADEL ADVISORS LLC	+224,701	235,801
Mega TWO SIGMA INVESTMENTS, LP	+223,077	251,777
Large Marex Group plc	+200,848	260,848

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Mega BlackRock, Inc.	−1,588,557	508,965
Mega STATE STREET CORP	−410,611	153,987
Mega GEODE CAPITAL MANAGEMENT, LLC	−401,713	399,518
Mega DIMENSIONAL FUND ADVISORS LP	−154,770	607,420
Mega NORTHERN TRUST CORP	−150,568	77,788

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Small Truffle Hound Capital, LLC	420,000	$1,071,000
Mid RBF Capital, LLC	370,000	$943,500
Large Connor, Clark & Lunn Investment Management Ltd.	181,789	$463,561
Small Rangeley Capital, LLC	157,000	$400,350
Micro Marquette Asset Management, LLC	106,741	$272,189

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Mega VANGUARD PORTFOLIO MANAGEMENT LLC	184,246	$471,669
Mega Bank of New York Mellon Corp	73,079	$187,081
Large STRS OHIO	72,400	$185,344
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC	69,775	$178,624
Mega Nuveen, LLC	33,406	$85,519

Filter: New 25 Increased 38 Reduced 25 Sold out 23 Unchanged 11

Showing 100 of 100

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

ROYCE & ASSOCIATES LP

$4,750,048

11.96%

1,862,764

AQR CAPITAL MANAGEMENT LLC

$4,625,989

11.65%

1,814,114

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Petros Family Wealth, LLC	290	$739	0.0%	Other
RF&L WEALTH MANAGEMENT, LLC	13	$33	0.0%	Other
Arax Advisory Partners	3,973	$10,131	0.2%	Other
HALBERT HARGROVE GLOBAL ADVISORS, LLC	2,015	$5,138	0.1%	Other
Stokes Family Office, LLC	380	$969	0.0%	Other
Held directly	1,807,443	$4,608,979	99.6%	Defined

VANGUARD CAPITAL MANAGEMENT LLC

$3,734,556

9.40%

1,464,532

MARSHALL WACE, LLP

$2,244,511

5.65%

880,201

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Marshall Wace North America L.P. joint	880,201	$2,244,511	100.0%	Other

Peapod Lane Capital LLC

$2,009,094

5.06%

787,880

DIMENSIONAL FUND ADVISORS LP

$1,548,919

3.90%

607,420

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Dimensional Fund Advisors Ltd.	4,533	$11,559	0.7%	Defined
DFA Australia Ltd.	5,185	$13,221	0.9%	Defined
Dimensional Ireland Ltd	29,704	$75,745	4.9%	Defined
Held directly	567,998	$1,448,394	93.5%	Sole

RENAISSANCE TECHNOLOGIES LLC

$1,525,050

3.84%

598,059

JANE STREET GROUP, LLC

$1,298,523

3.27%

509,225

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	130,634	$333,116	25.7%	Defined
Jane Street Global Trading, LLC	378,591	$965,407	74.3%	Defined

BlackRock, Inc.

$1,297,859

3.27%

508,965

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BlackRock Investment Management, LLC	8,219	$20,958	1.6%	Sole
BlackRock Fund Advisors	111,170	$283,483	21.8%	Sole
BlackRock Institutional Trust Company, N.A.	389,576	$993,418	76.5%	Sole

DCF Advisers, LLC

$1,177,041

2.96%

461,585

Truffle Hound Capital, LLC

$1,071,000

2.70%

420,000

GEODE CAPITAL MANAGEMENT, LLC

$1,018,770

2.57%

399,518

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GEODE CAPITAL MANAGEMENT TRUST COMPANY, LLC	69,650	$177,607	17.4%	Defined
Held directly	329,868	$841,163	82.6%	Defined

Round Rock Advisors LLC

$966,396

2.43%

378,979

RBF Capital, LLC

$943,500

2.38%

370,000

D. E. Shaw & Co., Inc.

$914,121

2.30%

358,479

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
D. E. SHAW & CO, L.P.	358,479	$914,121	100.0%	Defined

GSA CAPITAL PARTNERS LLP

$886,635

2.23%

347,700

JACOBS LEVY EQUITY MANAGEMENT, INC

$838,919

2.11%

328,988

Marex Group plc

$665,162

1.67%

260,848

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Marex Financial	260,848	$665,162	100.0%	Defined

TWO SIGMA INVESTMENTS, LP

$642,031

1.62%

251,777

BANK OF AMERICA CORP /DE/

$590,299

1.49%

231,490

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BANK OF AMERICA NA	231,490	$590,299	100.0%	Defined

VANGUARD FIDUCIARY TRUST CO

$538,305

1.36%

211,100

Connor, Clark & Lunn Investment Management Ltd.

$463,561

1.17%

181,789

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Manager 1	181,789	$463,561	100.0%	Sole

CITADEL ADVISORS LLC

$416,161

1.05%

163,201

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	5,089	$12,976	3.1%	Defined
Held directly	158,112	$403,185	96.9%	Defined

Rangeley Capital, LLC

$400,350

1.01%

157,000

STATE STREET CORP

$392,666

0.99%

153,987

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SSGA FUNDS MANAGEMENT, INC. joint	153,987	$392,666	100.0%	Defined

UBS Group AG

$346,914

0.87%

136,045

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS AG	1,682	$4,289	1.2%	Defined
UBS Europe SE	130,800	$333,540	96.1%	Defined
UBS Securities LLC	3,563	$9,085	2.6%	Defined

GOLDMAN SACHS GROUP INC

$307,019

0.77%

120,400

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GOLDMAN SACHS & CO. LLC	89,264	$227,623	74.1%	Defined
GOLDMAN SACHS ASSET MANAGEMENT, L.P.	31,136	$79,396	25.9%	Defined

Marquette Asset Management, LLC

$272,189

0.69%

106,741

Qube Research & Technologies Ltd

$237,170

0.60%

93,008

NORTHERN TRUST CORP

$198,358

0.50%

77,788

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
NORTHERN TRUST CO joint	77,788	$198,358	100.0%	Defined

Corient Private Wealth LLC

$197,688

0.50%

77,525

AMERIPRISE FINANCIAL INC

$193,279

0.49%

75,796

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Columbia Management Investment Advisers, LLC	75,596	$192,769	99.7%	Defined
Ameriprise Financial Services, LLC	200	$510	0.3%	Defined

BRIDGEWAY CAPITAL MANAGEMENT, LLC

$190,689

0.48%

74,780

CITADEL ADVISORS LLC

$185,130

0.47%

72,600

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	72,600	$185,130	100.0%	Defined

MORGAN STANLEY

$181,438

0.46%

71,153

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY & CO INTERNATIONAL PLC	2,304	$5,875	3.2%	Defined
MORGAN STANLEY & CO. LLC	1,269	$3,235	1.8%	Defined
MORGAN STANLEY CAPITAL SERVICES, LLC	231	$589	0.3%	Defined
MORGAN STANLEY SMITH BARNEY LLC	46,896	$119,584	65.9%	Defined
PARAMETRIC PORTFOLIO ASSOCIATES LLC	20,453	$52,155	28.7%	Defined

Man Group plc

$150,332

0.38%

58,954

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Numeric Investors LLC	58,954	$150,332	100.0%	Defined

Point72 Asset Management, L.P.

$146,834

0.37%

57,582

Mariner, LLC

$142,065

0.36%

55,712

GABELLI FUNDS LLC

$132,600

0.33%

52,000

AMERICAN CENTURY COMPANIES INC

$127,675

0.32%

50,069

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
AMERICAN CENTURY INVESTMENT MANAGEMENT INC	50,069	$127,675	100.0%	Defined

PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO

$107,931

0.27%

42,326

IEQ CAPITAL, LLC

$97,812

0.25%

38,358

Invesco Ltd.

$97,236

0.24%

38,132

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Invesco Capital Management LLC	38,132	$97,236	100.0%	Defined

JPMORGAN CHASE & CO

$95,940

0.24%

37,624

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
JPMorgan Chase Bank, N.A.	11,659	$29,730	31.0%	Defined
J.P. Morgan Investment Management Inc.	25,965	$66,210	69.0%	Defined

MERCER GLOBAL ADVISORS INC /ADV

$95,321

0.24%

37,381

FRANKLIN RESOURCES INC

$78,254

0.20%

30,688

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
FRANKLIN ADVISERS INC	30,688	$78,254	100.0%	Defined

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$75,500

0.19%

29,608

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	29,608	$75,500	100.0%	Other

ACADIAN ASSET MANAGEMENT LLC

$72,047

0.18%

28,254

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Acadian Inc	28,254	$72,047	100.0%	Defined

XTX Topco Ltd

$64,892

0.16%

25,448

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
XTX EXECUTION SERVICES LLC joint	25,448	$64,892	100.0%	Defined

Walleye Capital LLC

$61,766

0.16%

24,222

Creative Planning

$58,915

0.15%

23,104

WEALTH ENHANCEMENT ADVISORY SERVICES, LLC

$58,420

0.15%

22,910

Integrity Advisory Solutions, LLC

$55,421

0.14%

21,734

Centiva Capital, LP

$53,940

0.14%

21,153

MILLENNIUM MANAGEMENT LLC

$48,488

0.12%

19,015

Dynamic Technology Lab Private Ltd

$47,376

0.12%

18,579

Scientech Research LLC

$44,693

0.11%

17,527

RHUMBLINE ADVISERS

$39,129

0.10%

15,345

SIMPLEX TRADING, LLC

$38,260

0.10%

15,004

STATE OF WISCONSIN INVESTMENT BOARD

$36,694

0.09%

14,390

Vanguard Global Advisers, LLC

$35,462

0.09%

13,907

Schonfeld Strategic Advisors LLC

$34,282

0.09%

13,444

AXQ CAPITAL, LP

$30,186

0.08%

11,838

Cerity Partners LLC

$30,104

0.08%

11,806

CAPTRUST FINANCIAL ADVISORS

$29,768

0.07%

11,674

Mraz, Amerine & Associates, Inc.

$28,815

0.07%

11,300

BOOTHBAY FUND MANAGEMENT, LLC

$28,162

0.07%

11,044

BNP PARIBAS ARBITRAGE, SA

$27,853

0.07%

10,923

Murphy Pohlad Asset Management LLC

$25,500

0.06%

10,000

FMR LLC

$21,856

0.06%

8,571

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Fidelity Management & Research Co LLC	8,571	$21,856	100.0%	Defined

Firsthand Capital Management, Inc.

$17,340

0.04%

6,800

GROUP ONE TRADING LLC

$16,873

0.04%

6,617

Morse Asset Management, Inc

$14,535

0.04%

5,700

Arax Advisory Partners

$13,285

0.03%

5,210

Rockefeller Capital Management L.P.

$11,908

0.03%

4,670

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
ROCKEFELLER FINANCIAL LLC	4,670	$11,908	100.0%	Defined

State of Alaska, Department of Revenue

$10,194

0.03%

3,998

Russell Investments Group, Ltd.

$8,361

0.02%

3,279

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Russell Investment Management, LLC	3,279	$8,361	100.0%	Defined

Allworth Financial LP

$6,403

0.02%

2,511

BARCLAYS PLC

$5,513

0.01%

2,162

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS CAPITAL INC.	2,162	$5,513	100.0%	Defined

EverSource Wealth Advisors, LLC

$4,618

0.01%

1,812

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BMSS Wesson Wealth Solutions, LLC	92	$234	5.1%	Sole
Held directly	1,720	$4,384	94.9%	Sole

SBI Securities Co., Ltd.

$4,067

0.01%

1,595

McMillan Office, Inc.

$3,544

0.01%

1,390

NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO

$3,019

0.01%

1,184

OSAIC HOLDINGS, INC.

$2,682

0.01%

1,052

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	770	$1,963	73.2%	Defined
Osaic Advisory Services, LLC	282	$719	26.8%	Defined

Essential Partners LLC

$1,759

0.00%

690

ROTHSCHILD INVESTMENT LLC

$647

0.00%

254

Avion Wealth

$494

0.00%

194

Wealth Enhancement Trust Services, Inc.

$469

0.00%

184

Farther Finance Advisors, LLC

$461

0.00%

181

IFP Advisors, Inc

$448

0.00%

176

PNC FINANCIAL SERVICES GROUP, INC.

$436

0.00%

171

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
PNC Bank, National Association	171	$436	100.0%	Defined

SJS Investment Consulting Inc.

$397

0.00%

156

Basecamp Wealth Advisors LLC

$364

0.00%

143

Clearstead Advisors, LLC

$346

0.00%

136

ROYAL BANK OF CANADA

$346

0.00%

136

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RBC CMA LTD.	88	$224	64.7%	Defined
Held directly	48	$122	35.3%	Sole

True Wealth Design, LLC

$255

0.00%

100

Caitong International Asset Management Co., Ltd

$43

0.00%

JPL Wealth Management, LLC

$15

0.00%

CITIGROUP INC

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citigroup Financial Products Inc. joint	1	$2	100.0%	Defined

WELLS FARGO & COMPANY/MN

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO CLEARING SERVICES, LLC	0	$0	0.0%	Defined

Key facts CIK 1515156 CUSIP 00770C101 13F (30d) 4 filings 4 filers Visit website Investor relations