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Magnachip Semiconductor
MX

87 hedge funds and large institutions have $78.3M invested in Magnachip Semiconductor in 2025 Q1 according to their latest regulatory filings, with 14 funds opening new positions, 18 increasing their positions, 34 reducing their positions, and 9 closing their positions.

New
Increased
Maintained
Reduced
Closed

56% more first-time investments, than exits

New positions opened: 14 | Existing positions closed: 9

6% more funds holding

Funds holding: 82 → 87 (+5)

0% more funds holding in top 10

Funds holding in top 10: 1 → 1 (0)

2.3% less ownership

Funds ownership: 63.82% → 61.52% (-2.3%)

18% less capital invested

Capital invested by funds: $95.5M → $78.3M (-$17.2M)

47% less repeat investments, than reductions

Existing positions increased: 18 | Existing positions reduced: 34

73% less call options, than puts

Call options by funds: $93K | Put options by funds: $349K

Holders
87
Holders Change
+5
Holders Change %
+6.1%
% of All Funds
1.17%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
14
Increased
18
Reduced
34
Closed
9
Calls
$93K
Puts
$349K
Net Calls
-$256K
Net Calls Change
-$122K

Top Buyers

Rank Fund Capital Flow
1
Marshall Wace
Marshall Wace
United Kingdom
+$759K
2
SPIA
Steward Partners Investment Advisory
New York
+$715K
3
Citadel Advisors
Citadel Advisors
Florida
+$677K
4
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
+$640K
5
BCI
Brinker Capital Investments
Pennsylvania
+$423K

Top Sellers

Rank Fund Capital Flow
1
KCM
Kennedy Capital Management
Missouri
-$1.22M
2
SAM
Silverback Asset Management
North Carolina
-$926K
3
Renaissance Technologies
Renaissance Technologies
New York
-$922K
4
Millennium Management
Millennium Management
New York
-$821K
5
BCM
Bridgeway Capital Management
Texas
-$579K
Name Holding Trade Value Shares
Change 		Change in
Stake
I
1
Immersion
Florida
$10.2M – – –
OCM
2
Oaktree Capital Management
California
$9.78M – – –
SFM
3
Systematic Financial Management
New Jersey
$6.55M -$235K -55,866 -3%
CC
4
Clearline Capital
New York
$6.52M – – –
Ameriprise
5
Ameriprise
Minnesota
$5.11M +$129K +30,730 +2%
Vanguard Group
6
Vanguard Group
Pennsylvania
$3.54M -$221K -52,625 -5%
Dimensional Fund Advisors
7
Dimensional Fund Advisors
Texas
$3.38M -$109K -25,818 -3%
QOP
8
Quinn Opportunity Partners
Virginia
$2.51M – – –
SST
9
S Squared Technology
New York
$2.19M -$210K -50,000 -7%
Morgan Stanley
10
Morgan Stanley
New York
$2.17M -$191K -45,400 -7%
State of Wisconsin Investment Board
11
State of Wisconsin Investment Board
Wisconsin
$2.06M – – –
BCM
12
Bridgeway Capital Management
Texas
$1.5M -$579K -137,556 -24%
Marshall Wace
13
Marshall Wace
United Kingdom
$1.41M +$759K +180,381 +78%
Goldman Sachs
14
Goldman Sachs
New York
$1.39M -$119K -28,370 -7%
Millennium Management
15
Millennium Management
New York
$1.35M -$821K -195,166 -33%
Two Sigma Advisers
16
Two Sigma Advisers
New York
$1.32M -$380K -90,300 -19%
Citadel Advisors
17
Citadel Advisors
Florida
$1.21M +$677K +160,875 +83%
BNP Paribas Financial Markets
18
BNP Paribas Financial Markets
France
$1.07M +$3.6K +856 +0.3%
Two Sigma Investments
19
Two Sigma Investments
New York
$1.05M -$398K -94,465 -24%
PCP
20
Polunin Capital Partners
United Kingdom
$950K -$36.6K -8,700 -2%
UBS Group
21
UBS Group
Switzerland
$791K -$138K -32,898 -12%
SAM
22
Silverback Asset Management
North Carolina
$755K -$926K -220,000 Closed
OBAM
23
ODDO BHF Asset Management
France
$738K – – –
BlackRock
24
BlackRock
New York
$737K -$10.7K -2,539 -1%
GCP
25
GSA Capital Partners
United Kingdom
$633K +$305K +72,439 +65%
1
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MX Hedge Fund Activity: Q1 2025 in Review

87 of the 7,459 institutional investors tracked by Wall St. Rank reported a position in Magnachip Semiconductor (MX) for Q1 2025, worth a combined $78.3M — down 18% from $95.5M a quarter earlier.

Buyers outnumbered sellers: 14 funds opened new MX positions and 9 closed out — a net gain of 5 holders — while 18 added to existing stakes and 34 trimmed.

The largest buyer was Marshall Wace, adding an estimated $759K. The largest seller was Kennedy Capital Management, cutting an estimated $1.22M.

  • 87 institutional investors held Magnachip Semiconductor (MX) as of Q1 2025, up from 82 in Q4 2024.
  • Funds reported $78.3M of Magnachip Semiconductor stock for Q1 2025, down 18% quarter-over-quarter.
  • 14 funds opened new Magnachip Semiconductor positions in Q1 2025 and 9 closed out, a net change of +5 holders.
  • The largest Magnachip Semiconductor buyer in Q1 2025 was Marshall Wace, an estimated $759K added.
  • The largest Magnachip Semiconductor seller in Q1 2025 was Kennedy Capital Management, an estimated $1.22M sold.

Based on aggregated 13F filings for Q1 2025.