ArqARQ

13F holders, Q4 2025 (December 31)
103holders +9
27new positions
18sold out
6famous investors
$3.27avg. 13F price*

At the end of Q4 2025, 103 institutions reported holding Arq Inc. (ARQ) in their 13F filings, up 9 from Q3 2025. 27 opened new positions and 18 sold out. The largest holders were AIGH Capital Management LLC ($7.4M), BlackRock, Inc. ($6.7M) and Vanguard Group Inc. ($6.0M). 6 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Cliff Asness (0.0% of AQR Capital Management's portfolio) and Steve Cohen (0.0% of Point72 Asset Management's portfolio).

Company
Arq Inc.
CUSIP
00770C101
Latest filing quarter
Q2 2026

History

Number of 13F holders

050100150 Q1 2024: 58Q1 2024Q2 2024: 73Q2 2024Q3 2024: 87Q3 2024Q4 2024: 92Q4 2024Q1 2025: 90Q1 2025Q2 2025: 83Q2 2025Q3 2025: 94Q3 2025Q4 2025: 103Q4 2025Q1 2026: 96Q1 2026Q2 2026: 98Q2 2026

Total Exit/New Position Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions27$7.5M
Exits18$14.4M

All 13F filers, Q3 2025 → Q4 2025: 3,110,189 shares bought and 4,577,463 shares sold, net −1,467,274 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 103 holders

AIGH Capital Management LLC 2.20% Reduce -11.9% 2,273,092 $7.4M
BlackRock, Inc. 0.00% Add +1.9% 2,045,938 $6.7M
Vanguard Group Inc. 0.00% Add +5.5% 1,830,017 $6.0M
Royce & Associates LP 0.05% Add +6.2% 1,458,444 $4.8M
Dimensional Fund Advisors LP 0.00% Add +7.3% 919,640 $3.0M
Alta Fundamental Advisers LLC 1.21% Reduce -7.7% 781,088 $2.6M
Geode Capital Management, LLC 0.00% Add +0.5% 778,142 $2.5M
State Street Corp. 0.00% Add +1.0% 561,888 $1.8M
Marshall Wace, LLP 0.00% New 444,207 $1.5M
Renaissance Technologies 0.00% Add +485.8% 412,299 $1.3M
Morgan Stanley 0.00% Add +22.7% 362,538 $1.2M
AQR Capital Management 0.00% New 299,787 $980K
Jacobs Levy Equity Management, Inc. 0.00% New 262,330 $858K
DCF Advisers, LLC 0.28% New 260,570 $852K
Peapod Lane Capital LLC 0.64% New 228,564 $747K
Northern Trust Corp. 0.00% Reduce -15.4% 200,769 $657K
Marex Group Ltd 0.01% Reduce -24.0% 190,000 $621K
Gsa Capital Partners LLP 0.05% New 161,836 $529K
Gratia Capital, LLC 0.45% Reduce -64.9% 155,000 $507K
Goldman Sachs Group Inc. 0.00% Add +27.0% 129,537 $424K
Lazard Asset Management LLC 0.00% New 110,783 $362K
Charles Schwab Investment Management Inc. 0.00% Add +12.6% 99,993 $327K
American Century Companies Inc. 0.00% Add +4.8% 84,356 $276K
Millennium Management 0.00% Reduce -39.3% 80,093 $262K
Bank of America Corp. 0.00% Add +11.9% 79,604 $260K
XTX Topco Ltd 0.01% New 76,843 $251K
Perritt Capital Management Inc 0.41% No change 75,000 $245K
Rothschild Wealth LLC 0.02% New 75,000 $245K
Bridgeway Capital Management, LLC 0.01% Add +15.4% 74,780 $245K
Jane Street Group, LLC 0.00% Reduce -30.5% 74,224 $243K
Bank of New York Mellon Corp 0.00% Reduce -53.5% 73,079 $239K
UBS Group AG 0.00% Reduce -59.4% 67,997 $222K
Citadel Advisors 0.00% Reduce -68.7% 63,401 $207K
Point72 Asset Management 0.00% New 61,032 $200K
Susquehanna International Group, LLP 0.00% Add +46.7% 57,888 $189K
BNP Paribas Financial Markets 0.00% Add +7.5% 57,809 $189K
Ameriprise Financial Inc. 0.00% New 55,654 $182K
Gabelli Funds LLC 0.00% Add +4.0% 52,000 $170K
D. E. Shaw & Co. 0.00% New 50,166 $164K
Barclays PLC 0.00% Add +11.9% 49,829 $163K
Wells Fargo & Company 0.00% Add +26.6% 44,877 $147K
1492 Capital Management LLC 0.06% Reduce -93.3% 44,306 $145K
Public Employees Retirement System of Ohio 0.00% New 42,326 $138K
JPMorgan Chase & Co. 0.00% Reduce -57.3% 41,892 $137K
Rhumbline Advisers 0.00% Reduce -7.0% 41,341 $135K
Nuveen, LLC 0.00% No change 33,406 $109K
Jump Financial, LLC 0.00% New 33,129 $108K
Franklin Resources Inc. 0.00% Reduce -94.2% 32,281 $106K
Invesco Ltd. 0.00% Add +52.0% 28,736 $94K
Los Angeles Capital Management LLC 0.00% New 11,325 $76K
State of Wisconsin Investment Board 0.00% New 22,965 $75K
Jain Global LLC 0.00% New 22,800 $75K
Citigroup Inc. 0.00% Reduce -40.0% 22,002 $72K
Algert Global LLC 0.00% Add +72.7% 20,170 $66K
T. Rowe Price Associates Inc. 0.00% No change 16,868 $56K
Squarepoint Ops LLC 0.00% Reduce -89.7% 17,113 $56K
Sei Investments Co. 0.00% New 15,877 $52K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Add +3.3% 15,312 $50K
Dynamic Technology Lab Private Ltd 0.01% New 14,337 $47K
Intech Investment Management LLC 0.00% Reduce -15.8% 13,805 $45K
Oxford Asset Management LLP 0.02% New 13,680 $45K
Avanza Fonder AB 0.00% Reduce -54.8% 13,419 $44K
Alliancebernstein L.P. 0.00% No change 12,700 $42K
Murphy Pohlad Asset Management LLC 0.01% Add +9.4% 11,600 $38K
HRT Financial LP 0.00% New 11,502 $37K
Mraz, Amerine & Associates, Inc. 0.01% No change 11,300 $37K
Verition Fund Management LLC 0.00% Reduce -56.9% 11,004 $36K
Manufacturers Life Insurance Company, The 0.00% Reduce -5.2% 10,149 $33K
Firsthand Capital Management, Inc. 0.04% No change 6,800 $22K
Police & Firemen's Retirement System of New Jersey 0.00% Reduce -48.5% 5,528 $18K
Royal Bank of Canada 0.00% Add +113.0% 4,844 $16K
Rockefeller Capital Management L.P. 0.00% No change 4,670 $15K
Tower Research Capital LLC (TRC) 0.00% Add +98.5% 4,430 $14K
State of Alaska, Department of Revenue 0.00% New 3,998 $13K
FMR LLC 0.00% Add +61.3% 3,071 $10K
Cwm, LLC 0.00% Add +556.1% 2,959 $10K
Legal & General Group Plc 0.00% No change 2,872 $9K
Russell Investments Group, Ltd. 0.00% Reduce -19.3% 2,621 $9K
Ameritas Investment Partners, Inc. 0.00% No change 2,422 $8K
Simplex Trading, LLC 0.00% New 2,311 $8K
California State Teachers Retirement System 0.00% Reduce -5.1% 1,965 $6K
SBI Securities Co., Ltd. 0.00% No change 1,846 $6K
Sterling Capital Management LLC 0.00% Reduce -15.5% 1,844 $6K
New York State Common Retirement Fund 0.00% No change 1,400 $5K
STRS Ohio 0.00% No change 1,400 $5K
McMillan Office, Inc. 0.00% — 1,390 $5K
Northwestern Mutual Wealth Management Co. 0.00% No change 1,184 $4K
Amalgamated Bank 0.00% Add +17.5% 1,005 $3K
Arax Advisory Partners 0.00% Add +273.8% 800 $3K
Osaic Holdings, Inc. 0.00% No change 770 $3K
Optiver Holding B.V. 0.00% No change 544 $2K
Farther Finance Advisors, LLC 0.00% New 467 $2K
Allworth Financial LP 0.00% Add +6.3% 425 $1K
IFP Advisors, Inc 0.00% No change 165 $540
Essential Partners LLC 0.00% Add +135.9% 151 $494
EverSource Wealth Advisors, LLC 0.00% Add +594.1% 118 $386
Rothschild Investment LLC 0.00% Reduce -8.2% 101 $330
SJS Investment Consulting Inc. 0.00% New 64 $210
MAI Capital Management 0.00% New 63 $207
PNC Financial Services Group, Inc. 0.00% Add +187.5% 23 $75
True Wealth Design, LLC 0.00% Reduce -52.9% 8 $27
Clearstead Advisors, LLC 0.00% New 2 $7
Acadian Asset Management LLC 0.00% No change 10 $0

"% of holder's portfolio" is ARQ's weight in each manager's 13F, not the share of Arq Inc. the manager owns.