ArqARQ

13F holders, Q1 2026 (March 31)
96holders −7
13new positions
22sold out
4famous investors
$2.56avg. 13F price*

At the end of Q1 2026, 96 institutions reported holding Arq Inc. (ARQ) in their 13F filings, down 7 from Q4 2025. 13 opened new positions and 22 sold out. The largest holders were BlackRock, Inc. ($5.4M), Royce & Associates LP ($4.5M) and Vanguard Capital Management LLC ($3.7M). 4 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 David E. Shaw (0.0% of D. E. Shaw & Co.'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 Q4 2025 → Q1 2026

InstitutionsTotal Value
New Positions13$1.1M
Exits22$12.4M

All 13F filers, Q4 2025 → Q1 2026: 3,494,729 shares bought and 4,617,437 shares sold, net −1,122,708 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 96 holders

BlackRock, Inc. 0.00% Add +2.5% 2,097,522 $5.4M
Royce & Associates LP 0.04% Add +19.9% 1,748,444 $4.5M
Vanguard Capital Management LLC 0.00% — 1,431,450 $3.7M
AQR Capital Management 0.00% Add +262.2% 1,085,710 $2.8M
Marshall Wace, LLP 0.00% Add +82.3% 809,705 $2.1M
Geode Capital Management, LLC 0.00% Add +3.0% 801,231 $2.1M
Peapod Lane Capital LLC 1.62% Add +239.2% 775,349 $2.0M
Dimensional Fund Advisors LP 0.00% Reduce -17.1% 762,190 $2.0M
State Street Corp. 0.00% Add +0.5% 564,598 $1.4M
Renaissance Technologies 0.00% Reduce -0.4% 410,570 $1.1M
Jacobs Levy Equity Management, Inc. 0.00% Add +33.9% 351,188 $899K
DCF Advisers, LLC 0.32% Add +25.8% 327,803 $839K
Gsa Capital Partners LLP 0.05% Add +78.7% 289,158 $740K
D. E. Shaw & Co. 0.00% Add +461.8% 281,828 $721K
Northern Trust Corp. 0.00% Add +13.7% 228,356 $585K
Bank of America Corp. 0.00% Add +156.0% 203,770 $522K
Vanguard Fiduciary Trust Co. 0.00% — 203,537 $521K
Round Rock Advisors LLC 0.07% New 190,708 $488K
Jane Street Group, LLC 0.00% Add +155.8% 189,890 $486K
Vanguard Portfolio Management LLC 0.00% — 184,246 $472K
Goldman Sachs Group Inc. 0.00% Add +8.8% 140,926 $361K
Susquehanna International Group, LLP 0.00% Add +129.8% 133,045 $341K
Morgan Stanley 0.00% Reduce -68.0% 116,028 $297K
Corient Private Wealth LP 0.00% New 77,500 $198K
Ameriprise Financial Inc. 0.00% Add +36.2% 75,796 $194K
Bridgeway Capital Management, LLC 0.00% No change 74,780 $191K
Bank of New York Mellon Corp 0.00% No change 73,079 $187K
XTX Topco Ltd 0.00% Reduce -5.4% 72,660 $186K
STRS Ohio 0.00% Add +5071.4% 72,400 $185K
Charles Schwab Investment Management Inc. 0.00% Reduce -30.2% 69,775 $179K
American Century Companies Inc. 0.00% Reduce -22.8% 65,117 $167K
Marex Group Ltd 0.00% Reduce -68.4% 60,000 $154K
Gabelli Funds LLC 0.00% No change 52,000 $133K
Millennium Management 0.00% Reduce -43.2% 45,519 $117K
Public Employees Retirement System of Ohio 0.00% No change 42,326 $108K
Rhumbline Advisers 0.00% Reduce -0.3% 41,196 $105K
Invesco Ltd. 0.00% Add +31.3% 37,738 $97K
Scientech Research LLC 0.07% New 34,628 $89K
Nuveen, LLC 0.00% No change 33,406 $86K
Franklin Resources Inc. 0.00% Reduce -5.4% 30,543 $78K
Two Sigma Investments, LP 0.00% New 28,700 $73K
Wells Fargo & Company 0.00% Reduce -49.7% 22,592 $58K
Simplex Trading, LLC 0.00% Add +851.1% 21,981 $56K
Mariner, LLC 0.00% New 19,214 $49K
Schonfeld Strategic Advisors LLC 0.00% New 19,128 $49K
Mercer Global Advisors Inc. 0.00% New 18,814 $48K
T. Rowe Price Associates Inc. 0.00% No change 16,868 $44K
JPMorgan Chase & Co. 0.00% Reduce -58.1% 17,560 $44K
Alliancebernstein L.P. 0.00% No change 12,700 $42K
Cwm, LLC 0.00% Add +441.9% 16,034 $41K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Add +2.4% 15,686 $40K
Vanguard Global Advisers, LLC 0.00% — 13,907 $36K
UBS Group AG 0.00% Reduce -81.0% 12,949 $33K
BNP Paribas Financial Markets 0.00% Reduce -78.6% 12,357 $32K
Two Sigma Securities, LLC 0.00% New 11,601 $30K
Murphy Pohlad Asset Management LLC 0.01% No change 11,600 $30K
Mraz, Amerine & Associates, Inc. 0.00% No change 11,300 $29K
Wealth Enhancement Advisory Services, LLC 0.00% New 10,771 $27K
Oxford Asset Management LLP 0.01% Reduce -26.2% 10,096 $26K
FMR LLC 0.00% Add +170.7% 8,314 $21K
Avanza Fonder AB 0.00% Reduce -42.9% 7,667 $20K
Firsthand Capital Management, Inc. 0.04% No change 6,800 $17K
Royal Bank of Canada 0.00% Add +29.5% 6,273 $16K
Barclays PLC 0.00% Reduce -88.2% 5,869 $15K
Police & Firemen's Retirement System of New Jersey 0.00% No change 5,528 $14K
PNC Financial Services Group, Inc. 0.00% Add +23526.1% 5,434 $14K
Tower Research Capital LLC (TRC) 0.00% Add +18.7% 5,257 $13K
Rockefeller Capital Management L.P. 0.00% No change 4,670 $12K
State of Alaska, Department of Revenue 0.00% No change 3,998 $10K
Legal & General Group Plc 0.00% No change 2,872 $7K
Russell Investments Group, Ltd. 0.00% Add +8.4% 2,840 $7K
Ameritas Investment Partners, Inc. 0.00% No change 2,422 $6K
California State Teachers Retirement System 0.00% Reduce -11.9% 1,731 $4K
SBI Securities Co., Ltd. 0.00% Reduce -13.5% 1,596 $4K
Citigroup Inc. 0.00% Reduce -93.3% 1,486 $4K
New York State Common Retirement Fund 0.00% No change 1,400 $4K
McMillan Office, Inc. 0.00% No change 1,390 $4K
Northwestern Mutual Wealth Management Co. 0.00% No change 1,184 $3K
MAI Capital Management 0.00% Add +1720.6% 1,147 $3K
Sterling Capital Management LLC 0.00% Reduce -42.6% 1,059 $3K
Arax Advisory Partners 0.00% Add +14.1% 913 $2K
Allworth Financial LP 0.00% Add +98.6% 844 $2K
EverSource Wealth Advisors, LLC 0.00% Add +415.3% 608 $2K
Osaic Holdings, Inc. 0.00% Reduce -26.0% 570 $1K
Optiver Holding B.V. 0.00% Reduce -41.2% 320 $819
Farther Finance Advisors, LLC 0.00% Reduce -30.8% 323 $762
Wealth Preservation Advisors, LLC 0.00% New 239 $612
Essential Partners LLC 0.00% Add +39.1% 210 $538
IFP Advisors, Inc 0.00% Add +2.4% 169 $433
Rothschild Investment LLC 0.00% Add +41.6% 143 $366
SJS Investment Consulting Inc. 0.00% Add +85.9% 119 $305
Basecamp Wealth Advisors LLC 0.00% New 69 $177
Root Financial Partners, LLC 0.00% New 64 $164
True Wealth Design, LLC 0.00% Add +50.0% 12 $31
JPL Wealth Management, LLC 0.00% New 2 $6
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.