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83 hedge funds and large institutions have $88.4M invested in Arq in 2025 Q2 according to their latest regulatory filings, with 13 funds opening new positions, 32 increasing their positions, 21 reducing their positions, and 20 closing their positions.

New
Increased
Maintained
Reduced
Closed

239% more call options, than puts

Call options by funds: $641K | Put options by funds: $189K

52% more repeat investments, than reductions

Existing positions increased: 32 | Existing positions reduced: 21

26% more capital invested

Capital invested by funds: $70.1M → $88.4M (+$18.3M)

25% more funds holding in top 10

Funds holding in top 10: 45 (+1)

1.03% less ownership

Funds ownership: 40.01%38.98% (-1%)

8% less funds holding

Funds holding: 9083 (-7)

35% less first-time investments, than exits

New positions opened: 13 | Existing positions closed: 20

Holders
83
Holders Change
-7
Holders Change %
-7.78%
% of All Funds
1.09%
Holding in Top 10
5
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+25%
% of All Funds
0.07%
New
13
Increased
32
Reduced
21
Closed
20
Calls
$641K
Puts
$189K
Net Calls
+$452K
Net Calls Change
+$568K
Name Holding Trade Value Shares
Change
Change in
Stake
Citigroup
51
Citigroup
New York
$57.8K -$40.6K -9,270 -46%
MPAM
52
Murphy Pohlad Asset Management
Minnesota
$56.9K
VOYA Investment Management
53
VOYA Investment Management
Georgia
$55K +$44.9K +10,249 New
FCM
54
Firsthand Capital Management
California
$36.5K
TRCT
55
Tower Research Capital (TRC)
New York
$29.8K -$16.8K -3,842 -41%
PFSRSONJ
56
Police & Firemen's Retirement System of New Jersey
New Jersey
$26.7K
Nisa Investment Advisors
57
Nisa Investment Advisors
Missouri
$25.2K +$20.5K +4,694 New
BNP Paribas Financial Markets
58
BNP Paribas Financial Markets
France
$18.3K +$6.4K +1,463 +75%
Royal Bank of Canada
59
Royal Bank of Canada
Ontario, Canada
$18K +$4.28K +977 +44%
Legal & General Group
60
Legal & General Group
United Kingdom
$15.4K +$3.26K +744 +35%
AIP
61
Ameritas Investment Partners
Nebraska
$13K
California State Teachers Retirement System (CalSTRS)
62
California State Teachers Retirement System (CalSTRS)
California
$11.1K
SS
63
SBI Securities
Japan
$9.95K +$888 +203 +12%
Fidelity Investments
64
Fidelity Investments
Massachusetts
$9.91K +$6.42K +1,466 +387%
AA
65
Ancora Advisors
Ohio
$8.05K
New York State Common Retirement Fund
66
New York State Common Retirement Fund
New York
$7.52K
QL
67
Quarry LP
New York
$6.88K +$5.61K +1,282 New
Northwestern Mutual Wealth Management
68
Northwestern Mutual Wealth Management
Wisconsin
$6.36K
AB
69
Amalgamated Bank
New York
$5K
Raymond James Financial
70
Raymond James Financial
Florida
$4.77K +$3.89K +888 New
Osaic Holdings
71
Osaic Holdings
Arizona
$4.67K +$1.75K +400 +85%
SCM
72
Sterling Capital Management
North Carolina
$3.66K +$1.03K +235 +53%
Russell Investments Group
73
Russell Investments Group
United Kingdom
$3.37K +$2.6K +595 +1,803%
AF
74
Allworth Financial
California
$2.15K +$1.75K +400 New
Carson Wealth (CWM LLC)
75
Carson Wealth (CWM LLC)
Nebraska
$2K +$1.5K +342 +332%

ARQ Hedge Fund Activity: Q2 2025 in Review

83 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in Arq (ARQ) for Q2 2025, worth a combined $88.4M — up 26% from $70.1M a quarter earlier.

Sellers outnumbered buyers: 20 funds closed out of ARQ and 13 opened new positions — a net loss of 7 holders — while 21 trimmed existing stakes and 32 added.

The largest buyer was Royce & Associates, opening a new position worth an estimated $2.24M. The largest seller was Marshall Wace, exiting entirely with an estimated $1.01M sold.

  • 83 institutional investors held Arq (ARQ) as of Q2 2025, down from 90 in Q1 2025.
  • Funds reported $88.4M of Arq stock for Q2 2025, up 26% quarter-over-quarter.
  • 13 funds opened new Arq positions in Q2 2025 and 20 closed out, a net change of -7 holders.
  • The largest Arq buyer in Q2 2025 was Royce & Associates, an estimated $2.24M added.
  • The largest Arq seller in Q2 2025 was Marshall Wace, an estimated $1.01M sold.

Based on aggregated 13F filings for Q2 2025.