Arq ARQ Institutional Ownership

NASDAQ ARQ

$2.18 -0.03 (-1.36%)

At close: Sep 9, 2026 · 4:00 PM EDT

Institutions by Trading Activity

99 Institutions

Increased 63 63.6%

Unchanged 11 11.1%

Reduced 25 25.3%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

36.83%

▲+1.67 pp QoQ

Shares Held by Institutions

15.51Mn

of 42.10Mn outstanding

▲+9.76% QoQ

Shares Outstanding

42.10Mn

26.60Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

▲+3 vs prior quarter

Net Shares Added (QoQ)

+1.38Mn

accumulated since last quarter

Value of Holdings

$35.67Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Arq, Inc. (NASDAQ:ARQ) appears in 99 institutional 13F filings for the quarter ending June 2026.

They owned 36.8% of outstanding stock in June 2026, up from 35.2% the prior quarter.
Their total shares held in ARQ increased 9.76% quarter over quarter, and separately, investors owning Arq increased 22.22% from a year ago.
Of these 99 funds, 63 grew their exposure to Arq, 25 cut back, and 11 maintained positions.
Institutional investors collectively held 15.51Mn shares in Arq as of June 2026, up by 1.38Mn shares quarter on quarter, and down 1.1Mn shares year over year.
ROYCE & ASSOCIATES LP is the top holder of Arq as of June 30, 2026, with 1.86Mn shares representing 4.42% of outstanding stock.
Leading buyers of Arq shares for the quarter ending June 2026 were AQR CAPITAL MANAGEMENT LLC (728.4K), Truffle Hound Capital, LLC (420.0K), RBF Capital, LLC (370.0K), JANE STREET GROUP, LLC (319.33K), TWO SIGMA INVESTMENTS, LP (223.08K).
Leading sellers of Arq shares for the quarter ending June 2026 were BlackRock, Inc. (1.59Mn), State Street Corp (410.61K), GEODE CAPITAL MANAGEMENT, LLC (401.71K), DIMENSIONAL FUND ADVISORS LP (154.77K), Northern Trust Corp (150.57K).
Business Quant data shows the 10 biggest positions in Arq as of June 2026 are held by ROYCE & ASSOCIATES LP (1.86Mn), AQR CAPITAL MANAGEMENT LLC (1.81Mn), VANGUARD CAPITAL MANAGEMENT LLC (1.46Mn), MARSHALL WACE, LLP (880.2K), Peapod Lane Capital LLC (787.88K), DIMENSIONAL FUND ADVISORS LP (607.42K), RENAISSANCE TECHNOLOGIES LLC (598.06K), JANE STREET GROUP, LLC (509.22K), BlackRock, Inc. (508.96K), DCF Advisers, LLC (461.58K).

Form 13F Holdings

99 Institutional Holders

Report period 30 Jun, 2026

Total shares held 15.51Mn

Of outstanding 36.83%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	ROYCE & ASSOCIATES LP	0000906304	1,862,764	4.42%	▲114,320	+6.54%	$4.75Mn
2	AQR CAPITAL MANAGEMENT LLC	0001167557	1,814,114	4.31%	▲728,404	+67.09%	$4.63Mn
3	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	1,464,532	3.48%	▲33,082	+2.31%	$3.73Mn
4	MARSHALL WACE, LLP	0001318757	880,201	2.09%	▲70,496	+8.71%	$2.24Mn
5	Peapod Lane Capital LLC	0002050979	787,880	1.87%	▲12,531	+1.62%	$2.01Mn
6	DIMENSIONAL FUND ADVISORS LP	0000354204	607,420	1.44%	▼154,770	-20.31%	$1.55Mn
7	RENAISSANCE TECHNOLOGIES LLC	0001037389	598,059	1.42%	▲187,489	+45.67%	$1.53Mn
8	JANE STREET GROUP, LLC	0001595888	509,225	1.21%	▲319,335	+168.17%	$1.30Mn
9	BlackRock, Inc.	0002012383	508,965	1.21%	▼1,588,557	-75.73%	$1.30Mn
10	DCF Advisers, LLC	0001802493	461,585	1.10%	▲133,782	+40.81%	$1.18Mn
11	Truffle Hound Capital, LLC	0001595862	420,000	1.00%	▲420,000	0.00%	$1.07Mn
12	GEODE CAPITAL MANAGEMENT, LLC	0001214717	399,518	0.95%	▼401,713	-50.14%	$1.02Mn
13	Round Rock Advisors LLC	0001846991	378,979	0.90%	▲188,271	+98.72%	$966.40K
14	RBF Capital, LLC	0001134621	370,000	0.88%	▲370,000	0.00%	$943.50K
15	D. E. Shaw & Co., Inc.	0001009207	358,479	0.85%	▲76,651	+27.20%	$914.12K
16	GSA CAPITAL PARTNERS LLP	0001362033	347,700	0.83%	▲58,542	+20.25%	$887
17	JACOBS LEVY EQUITY MANAGEMENT, INC	0000884414	328,988	0.78%	▼22,200	-6.32%	$838.92K
18	Marex Group Ltd	0001997464	260,848	0.62%	▲200,848	+334.75%	$665.16K
19	TWO SIGMA INVESTMENTS, LP	0001179392	251,777	0.60%	▲223,077	+777.27%	$642.03K
20	Bank Of America Corp /De/	0000070858	231,490	0.55%	▲27,720	+13.60%	$590.30K

Showing 1 to 20 of 99 holders