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94 hedge funds and large institutions have $127M invested in Arq in 2025 Q3 according to their latest regulatory filings, with 20 funds opening new positions, 32 increasing their positions, 21 reducing their positions, and 9 closing their positions.

New
Increased
Maintained
Reduced
Closed

1,604% more call options, than puts

Call options by funds: $2.45M | Put options by funds: $144K

122% more first-time investments, than exits

New positions opened: 20 | Existing positions closed: 9

52% more repeat investments, than reductions

Existing positions increased: 32 | Existing positions reduced: 21

44% more capital invested

Capital invested by funds: $88.4M → $127M (+$38.9M)

13% more funds holding

Funds holding: 8394 (+11)

2.66% more ownership

Funds ownership: 38.98%41.64% (+2.7%)

40% less funds holding in top 10

Funds holding in top 10: 53 (-2)

Holders
94
Holders Change
+11
Holders Change %
+13.25%
% of All Funds
1.23%
Holding in Top 10
3
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-40%
% of All Funds
0.04%
New
20
Increased
32
Reduced
21
Closed
9
Calls
$2.45M
Puts
$144K
Net Calls
+$2.31M
Net Calls Change
+$1.86M
Name Holding Trade Value Shares
Change
Change in
Stake
ACM
1
AIGH Capital Management
Maryland
$18.5M -$495K -75,000 -3%
BlackRock
2
BlackRock
New York
$14.4M +$33.3K +5,042 +0.3%
Vanguard Group
3
Vanguard Group
Pennsylvania
$12.4M -$89.6K -13,568 -0.8%
RA
4
Royce & Associates
New York
$9.83M +$5.7M +862,525 +169%
Dimensional Fund Advisors
5
Dimensional Fund Advisors
Texas
$6.13M +$542K +81,984 +11%
AFA
6
Alta Fundamental Advisers
New York
$6.06M -$7.91M -1,197,828 -59%
Geode Capital Management
7
Geode Capital Management
Massachusetts
$5.55M +$56.9K +8,612 +1%
Wellington Management Group
8
Wellington Management Group
Massachusetts
$4.91M
1CM
9
1492 Capital Management
Wisconsin
$4.72M +$1.86M +281,171 +74%
Franklin Resources
10
Franklin Resources
California
$4.02M +$3.7M +560,789 New
State Street
11
State Street
Massachusetts
$3.98M +$475K +71,914 +15%
VH
12
Vitol Holding
Netherlands
$3.66M
YCMGA
13
York Capital Management Global Advisors
New York
$3.17M
GC
14
Gratia Capital
California
$3.16M -$2.75M -415,942 -48%
Morgan Stanley
15
Morgan Stanley
New York
$2.12M +$266K +40,345 +16%
MG
16
Marex Group
$1.79M -$485K -73,456 -23%
Northern Trust
17
Northern Trust
Illinois
$1.7M +$5.81K +879 +0.4%
CP
18
CenterBook Partners
Connecticut
$1.65M +$1.53M +230,869 New
Citadel Advisors
19
Citadel Advisors
Florida
$1.45M -$33.5K -5,068 -2%
UBS Group
20
UBS Group
Switzerland
$1.2M +$949K +143,615 +607%
Squarepoint
21
Squarepoint
New York
$1.19M +$925K +139,988 +530%
First Eagle Investment Management
22
First Eagle Investment Management
New York
$1.15M +$1.06M +160,731 New
Bank of New York Mellon
23
Bank of New York Mellon
New York
$1.12M +$75.7K +11,455 +8%
Millennium Management
24
Millennium Management
New York
$944K +$871K +131,864 New
Jane Street
25
Jane Street
New York
$765K +$591K +89,416 +514%

ARQ Hedge Fund Activity: Q3 2025 in Review

94 of the 7,621 institutional investors tracked by Wall St. Rank reported a position in Arq (ARQ) for Q3 2025, worth a combined $127M — up 44% from $88.4M a quarter earlier.

Buyers outnumbered sellers: 20 funds opened new ARQ positions and 9 closed out — a net gain of 11 holders — while 32 added to existing stakes and 21 trimmed.

The largest buyer was Royce & Associates, adding an estimated $5.7M. The largest seller was Alta Fundamental Advisers, cutting an estimated $7.91M.

  • 94 institutional investors held Arq (ARQ) as of Q3 2025, up from 83 in Q2 2025.
  • Funds reported $127M of Arq stock for Q3 2025, up 44% quarter-over-quarter.
  • 20 funds opened new Arq positions in Q3 2025 and 9 closed out, a net change of +11 holders.
  • The largest Arq buyer in Q3 2025 was Royce & Associates, an estimated $5.7M added.
  • The largest Arq seller in Q3 2025 was Alta Fundamental Advisers, an estimated $7.91M sold.

Based on aggregated 13F filings for Q3 2025.