90 hedge funds and large institutions have $70.1M invested in Arq in 2025 Q1 according to their latest regulatory filings, with 13 funds opening new positions, 29 increasing their positions, 26 reducing their positions, and 15 closing their positions.

New
Increased
Maintained
Reduced
Closed

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more ownership

Funds ownership:

more funds holding in top 10

Funds holding in top 10:

less funds holding

Funds holding:

13% less first-time investments, than exits

New positions opened: 13 | Existing positions closed: 15

28% less call options, than puts

Call options by funds: $304K | Put options by funds: $420K

44% less capital invested

Capital invested by funds: $126M → $70.1M (-$56.1M)

Holders
90
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
4
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$304K
Puts
$420K
Net Calls
Net Calls Change

Top Buyers

1 +$3.94M
2 +$3.38M
3 +$1.64M
4
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
+$1.2M
5
Vanguard Group
Vanguard Group
Pennsylvania
+$1.01M

Top Sellers

1 -$4.21M
2 -$3.91M
3 -$2.84M
4
BCM
Bridgeway Capital Management
Texas
-$693K
5
Millennium Management
Millennium Management
New York
-$671K
Name Holding Trade Value Shares
Change
Change in
Stake
26
$379K
27
$347K
28
$335K
29
$332K
30
$307K
31
$271K
32
$244K
33
$220K
34
$219K
35
$173K
36
$147K
37
$122K
38
$119K
39
$119K
40
$117K
41
$112K
42
$93.2K
43
$89.1K
44
$83.6K
45
$81.5K
46
$69.8K
47
$69.2K
48
$68.4K
49
$66.9K
50
$62.5K