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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
GI
101
GAMMA Investing
California
-$546 -131 Closed
PFBT
102
Parkside Financial Bank & Trust
Missouri
-$377 -90 Closed

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.