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Magnachip Semiconductor
MX

91 hedge funds and large institutions have $93.5M invested in Magnachip Semiconductor in 2025 Q2 according to their latest regulatory filings, with 17 funds opening new positions, 26 increasing their positions, 25 reducing their positions, and 12 closing their positions.

New
Increased
Maintained
Reduced
Closed

42% more first-time investments, than exits

New positions opened: 17 | Existing positions closed: 12

23% more call options, than puts

Call options by funds: $244K | Put options by funds: $198K

19% more capital invested

Capital invested by funds: $78.3M → $93.5M (+$15.2M)

5% more funds holding

Funds holding: 87 → 91 (+4)

3.59% more ownership

Funds ownership: 61.52% → 65.11% (+3.6%)

4% more repeat investments, than reductions

Existing positions increased: 26 | Existing positions reduced: 25

0% more funds holding in top 10

Funds holding in top 10: 1 → 1 (0)

Holders
91
Holders Change
+4
Holders Change %
+4.6%
% of All Funds
1.2%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
17
Increased
26
Reduced
25
Closed
12
Calls
$244K
Puts
$198K
Net Calls
+$46K
Net Calls Change
+$302K

Top Buyers

Rank Fund Capital Flow
1
FWSM
First Wilshire Securities Management
California
+$1.6M
2
Marshall Wace
Marshall Wace
United Kingdom
+$1M
3
I
Immersion
Florida
+$847K
4
SAM
Silverback Asset Management
North Carolina
+$764K
5
Acadian Asset Management
Acadian Asset Management
Massachusetts
+$523K

Top Sellers

Rank Fund Capital Flow
1
Ameriprise
Ameriprise
Minnesota
-$919K
2
Citadel Advisors
Citadel Advisors
Florida
-$484K
3
Millennium Management
Millennium Management
New York
-$302K
4
Susquehanna International Group
Susquehanna International Group
Pennsylvania
-$285K
5
Charles Schwab
Charles Schwab
California
-$227K
Name Holding Trade Value Shares
Change 		Change in
Stake
Citadel Advisors
26
Citadel Advisors
Florida
$855K -$484K -139,429 -39%
UBS Group
27
UBS Group
Switzerland
$854K -$55.7K -16,046 -7%
SPIA
28
Steward Partners Investment Advisory
New York
$795K +$104K +29,800 +18%
BCI
29
Brinker Capital Investments
Pennsylvania
$764K +$92.6K +26,647 +16%
Acadian Asset Management
30
Acadian Asset Management
Massachusetts
$596K +$523K +150,568 New
GF
31
Gabelli Funds
New York
$559K -$86.8K -25,000 -15%
JP Morgan Chase
32
JP Morgan Chase
New York
$519K -$31.3K -9,002 -6%
FFH
33
Fairfax Financial Holdings
Ontario, Canada
$496K – – –
GCIA
34
Gabelli & Co Investment Advisers
New York
$453K – – –
Invesco
35
Invesco
Georgia
$415K -$171K -49,130 -32%
Susquehanna International Group
36
Susquehanna International Group
Pennsylvania
$393K -$285K -82,002 -45%
YCM
37
Yakira Capital Management
Connecticut
$393K – – –
Charles Schwab
38
Charles Schwab
California
$390K -$227K -65,418 -40%
XT
39
XTX Topco
Cayman Islands
$355K +$254K +73,248 +463%
American Century Companies
40
American Century Companies
Missouri
$304K +$12K +3,451 +5%
BCM
41
BCK Capital Management
Connecticut
$296K – – –
JF
42
Jump Financial
Illinois
$278K +$108K +31,222 +81%
KCM
43
Kennedy Capital Management
Missouri
$257K -$104K -29,800 -32%
CSS
44
Cubist Systematic Strategies
Connecticut
$254K +$11.1K +3,207 +5%
EGM
45
Engineers Gate Manager
New York
$237K +$27.6K +7,941 +15%
LJAC
46
L.J. Altfest & Co
New York
$190K +$89.7K +25,809 +117%
D.E. Shaw & Co
47
D.E. Shaw & Co
New York
$184K +$160K +46,164 New
PI
48
PFG Investments
New York
$129K +$113K +32,525 New
SFG
49
Sather Financial Group
Texas
$115K -$3.47K -1,000 -3%
Simplex Trading
50
Simplex Trading
Illinois
$107K +$40.4K +11,632 +76%
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MX Hedge Fund Activity: Q2 2025 in Review

91 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in Magnachip Semiconductor (MX) for Q2 2025, worth a combined $93.5M — up 19% from $78.3M a quarter earlier.

Buyers outnumbered sellers: 17 funds opened new MX positions and 12 closed out — a net gain of 5 holders — while 26 added to existing stakes and 25 trimmed.

The largest buyer was First Wilshire Securities Management, opening a new position worth an estimated $1.6M. The largest seller was Ameriprise, cutting an estimated $919K.

  • 91 institutional investors held Magnachip Semiconductor (MX) as of Q2 2025, up from 87 in Q1 2025.
  • Funds reported $93.5M of Magnachip Semiconductor stock for Q2 2025, up 19% quarter-over-quarter.
  • 17 funds opened new Magnachip Semiconductor positions in Q2 2025 and 12 closed out, a net change of +5 holders.
  • The largest Magnachip Semiconductor buyer in Q2 2025 was First Wilshire Securities Management, an estimated $1.6M added.
  • The largest Magnachip Semiconductor seller in Q2 2025 was Ameriprise, an estimated $919K sold.

Based on aggregated 13F filings for Q2 2025.