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96 hedge funds and large institutions have $37.6M invested in Arq in 2026 Q1 according to their latest regulatory filings, with 17 funds opening new positions, 36 increasing their positions, 24 reducing their positions, and 22 closing their positions.

New
Increased
Maintained
Reduced
Closed

1,440% more call options, than puts

Call options by funds: $77K | Put options by funds: $5K

50% more repeat investments, than reductions

Existing positions increased: 36 | Existing positions reduced: 24

2.92% less ownership

Funds ownership: 37.17%34.24% (-2.9%)

7% less funds holding

Funds holding: 10396 (-7)

23% less first-time investments, than exits

New positions opened: 17 | Existing positions closed: 22

28% less capital invested

Capital invested by funds: $51.9M → $37.6M (-$14.4M)

Holders
96
Holders Change
-7
Holders Change %
-6.8%
% of All Funds
1.18%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
17
Increased
36
Reduced
24
Closed
22
Calls
$77K
Puts
$5K
Net Calls
+$72K
Net Calls Change
-$42K
Name Holding Trade Value Shares
Change
Change in
Stake
BCM
26
Bridgeway Capital Management
Texas
$191K
Bank of New York Mellon
27
Bank of New York Mellon
New York
$187K
XT
28
XTX Topco
Cayman Islands
$186K -$13.4K -4,183 -5%
SO
29
STRS Ohio
Ohio
$185K +$227K +71,000 +5,071%
Charles Schwab
30
Charles Schwab
California
$179K -$96.8K -30,218 -30%
American Century Companies
31
American Century Companies
Missouri
$167K -$61.6K -19,239 -23%
MG
32
Marex Group
$154K -$416K -130,000 -68%
GF
33
Gabelli Funds
New York
$133K
Millennium Management
34
Millennium Management
New York
$117K -$111K -34,574 -43%
Ohio Public Employees Retirement System (OPERS)
35
Ohio Public Employees Retirement System (OPERS)
Ohio
$108K
RhumbLine Advisers
36
RhumbLine Advisers
Massachusetts
$105K -$464 -145 -0.4%
Invesco
37
Invesco
Georgia
$96.6K +$28.8K +9,002 +31%
SRL
38
Scientech Research LLC
New Jersey
$88.6K +$111K +34,628 New
N
39
Nuveen
North Carolina
$85.5K
Franklin Resources
40
Franklin Resources
California
$78.2K -$5.57K -1,738 -5%
Two Sigma Investments
41
Two Sigma Investments
New York
$73.5K +$91.9K +28,700 New
Wells Fargo
42
Wells Fargo
California
$57.8K -$71.4K -22,285 -50%
Simplex Trading
43
Simplex Trading
Illinois
$56.3K +$63K +19,670 +851%
Mariner
44
Mariner
Kansas
$49.2K +$61.5K +19,214 New
SSA
45
Schonfeld Strategic Advisors
New York
$49K +$61.3K +19,128 New
Mercer Global Advisors
46
Mercer Global Advisors
Colorado
$48.2K +$60.3K +18,814 New
T. Rowe Price Associates
47
T. Rowe Price Associates
Maryland
$44K
JP Morgan Chase
48
JP Morgan Chase
New York
$43.7K -$77.9K -24,332 -58%
AllianceBernstein
49
AllianceBernstein
Tennessee
$41.5K
Carson Wealth (CWM LLC)
50
Carson Wealth (CWM LLC)
Nebraska
$41K +$41.9K +13,075 +442%

ARQ Hedge Fund Activity: Q1 2026 in Review

96 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Arq (ARQ) for Q1 2026, worth a combined $37.6M — down 28% from $51.9M a quarter earlier.

Sellers outnumbered buyers: 22 funds closed out of ARQ and 17 opened new positions — a net loss of 5 holders — while 24 trimmed existing stakes and 36 added.

The largest buyer was AQR Capital Management, adding an estimated $2.52M. The largest seller was AIGH Capital Management, exiting entirely with an estimated $7.43M sold.

  • 96 institutional investors held Arq (ARQ) as of Q1 2026, down from 103 in Q4 2025.
  • Funds reported $37.6M of Arq stock for Q1 2026, down 28% quarter-over-quarter.
  • 17 funds opened new Arq positions in Q1 2026 and 22 closed out, a net change of -5 holders.
  • The largest Arq buyer in Q1 2026 was AQR Capital Management, an estimated $2.52M added.
  • The largest Arq seller in Q1 2026 was AIGH Capital Management, an estimated $7.43M sold.

Based on aggregated 13F filings for Q1 2026.