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ECARX Holdings
ECX

41 hedge funds and large institutions have $36.7M invested in ECARX Holdings in 2025 Q4 according to their latest regulatory filings, with 14 funds opening new positions, 8 increasing their positions, 12 reducing their positions, and 8 closing their positions.

New
Increased
Maintained
Reduced
Closed

75% more first-time investments, than exits

New positions opened: 14 | Existing positions closed: 8

17% more funds holding

Funds holding: 35 → 41 (+6)

0.68% more ownership

Funds ownership: 6.08% → 6.76% (+0.68%)

5% less capital invested

Capital invested by funds: $38.5M → $36.7M (-$1.79M)

33% less repeat investments, than reductions

Existing positions increased: 8 | Existing positions reduced: 12

Holders
41
Holders Change
+6
Holders Change %
+17.14%
% of All Funds
0.5%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
14
Increased
8
Reduced
12
Closed
8
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Jane Street
Jane Street
New York
+$3.09M
2
Citadel Advisors
Citadel Advisors
Florida
+$2.92M
3
Acadian Asset Management
Acadian Asset Management
Massachusetts
+$2.04M
4
Tudor Investment Corp
Tudor Investment Corp
Connecticut
+$1.73M
5
Renaissance Technologies
Renaissance Technologies
New York
+$1.35M

Top Sellers

Rank Fund Capital Flow
1
Barclays
Barclays
United Kingdom
-$6.16M
2
State Street
State Street
Massachusetts
-$1.66M
3
UBS Group
UBS Group
Switzerland
-$495K
4
Mitsubishi UFJ Asset Management
Mitsubishi UFJ Asset Management
Japan
-$264K
5
XT
XTX Topco
Cayman Islands
-$238K
Name Holding Trade Value Shares
Change 		Change in
Stake
Susquehanna International Group
1
Susquehanna International Group
Pennsylvania
$8.72M – – –
Citadel Advisors
2
Citadel Advisors
Florida
$4.24M +$2.92M +1,441,676 +141%
Jane Street
3
Jane Street
New York
$3.97M +$3.09M +1,525,093 +194%
Tudor Investment Corp
4
Tudor Investment Corp
Connecticut
$3.67M +$1.73M +854,139 +67%
Renaissance Technologies
5
Renaissance Technologies
New York
$3.17M +$1.35M +667,800 +57%
State Street
6
State Street
Massachusetts
$2.15M -$1.66M -817,992 -40%
Legal & General Group
7
Legal & General Group
United Kingdom
$1.88M -$137K -67,676 -6%
Acadian Asset Management
8
Acadian Asset Management
Massachusetts
$1.73M +$2.04M +1,005,247 New
UBS Group
9
UBS Group
Switzerland
$1.22M -$495K -244,343 -26%
Mitsubishi UFJ Asset Management
10
Mitsubishi UFJ Asset Management
Japan
$1.02M -$264K -130,525 -17%
Barclays
11
Barclays
United Kingdom
$610K -$6.16M -3,038,500 -90%
HF
12
HRT Financial
New York
$500K +$590K +291,158 New
Goldman Sachs
13
Goldman Sachs
New York
$454K +$147K +72,502 +38%
Marshall Wace
14
Marshall Wace
United Kingdom
$426K +$502K +247,832 New
Invesco
15
Invesco
Georgia
$410K -$23K -11,356 -5%
Geode Capital Management
16
Geode Capital Management
Massachusetts
$359K – – –
SPS
17
Susquehanna Portfolio Strategies
Pennsylvania
$296K +$348K +171,939 New
BlackRock
18
BlackRock
New York
$255K +$301K +148,447 New
AGM
19
Alpine Global Management
New York
$200K +$235K +116,128 New
CIAM
20
Caitong International Asset Management
Hong Kong
$175K +$206K +101,461 New
VF
21
Virtu Financial
New York
$154K +$182K +89,598 New
TMC
22
Themes Management Co
Connecticut
$122K +$143K +70,824 New
Verition Fund Management
23
Verition Fund Management
Connecticut
$108K – – –
Morgan Stanley
24
Morgan Stanley
New York
$103K +$121K +59,854 New
MG
25
Marex Group
$103K -$95.6K -47,196 -44%
1
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ECX Hedge Fund Activity: Q4 2025 in Review

41 of the 8,239 institutional investors tracked by Wall St. Rank reported a position in ECARX Holdings (ECX) for Q4 2025, worth a combined $36.7M — down 4.6% from $38.5M a quarter earlier.

Buyers outnumbered sellers: 14 funds opened new ECX positions and 8 closed out — a net gain of 6 holders — while 8 added to existing stakes and 12 trimmed.

The largest buyer was Jane Street, adding an estimated $3.09M. The largest seller was Barclays, cutting an estimated $6.16M.

  • 41 institutional investors held ECARX Holdings (ECX) as of Q4 2025, up from 35 in Q3 2025.
  • Funds reported $36.7M of ECARX Holdings stock for Q4 2025, down 4.6% quarter-over-quarter.
  • 14 funds opened new ECARX Holdings positions in Q4 2025 and 8 closed out, a net change of +6 holders.
  • The largest ECARX Holdings buyer in Q4 2025 was Jane Street, an estimated $3.09M added.
  • The largest ECARX Holdings seller in Q4 2025 was Barclays, an estimated $6.16M sold.

Based on aggregated 13F filings for Q4 2025.