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MX — MAGNACHIP SEMICONDUCTOR CORP

Reported value held$36.87M
Funds holding (latest)33
SectorTechnology
Funds holding (Q2 2026)13
Institutional value$30.79M · 6.51M sh
New / Add / Cut / Exit2 / 6 / 4 / 2
Top-5 / Top-10 concentration87.9% / 99.4%
Institutional holdings change Accumulating +70.7% (+2.70M sh)
Institutional value change Up +188.3%

As of Q2 2026, 13 SEC-registered investment managers reported holding MX (MAGNACHIP SEMICONDUCTOR CORP) in their latest 13F filings, with a combined reported value of $30.79M across 6.51M shares. That is +70.7% by share count (+2.70M shares) versus the previous quarter, while reported value moved +188.3%. Ownership is concentrated: the five largest holders account for 87.9% of reported value and the top ten for 99.4%.

Compared with the prior quarter, 2 opened new positions, 6 added to existing stakes, 4 trimmed, 2 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.

MX is classified in the Technology sector.

All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.

Q2 2026 — 13 funds

FundSharesValuePortfolio WeightChange
Marshall Wace history 1.62M $7.64M 0.01% Add
Two Sigma Investments history 1.50M $7.10M 0.01% Add
D. E. Shaw & Co history 1.40M $6.61M 0.00% Add
Renaissance Technologies history 661.60K $3.13M 0.00% Add
Morgan Stanley history 544.12K $2.57M 0.00% Reduce
Millennium Management history 397.42K $1.88M 0.00% Add
Citadel Advisors history 111.04K $525.23K 0.00% Add
UBS Group AG history 110.34K $521.89K 0.00% Reduce
Goldman Sachs Group history 95.84K $453.34K 0.00% Reduce
JPMorgan Chase & Co history 38.59K $178.28K 0.00% New
Citigroup Inc history 23.21K $109.76K 0.00% New
BlackRock Inc history 13.38K $63.27K 0.00% Reduce
Fidelity Management & Research (FMR) history 37 $175 0.00% Hold

Q1 2026 — 13 funds

FundSharesValuePortfolio WeightChange
Marshall Wace history 1.24M $3.48M 0.00% Reduce
Morgan Stanley history 710.44K $1.99M 0.00% Reduce
Two Sigma Investments history 571.83K $1.60M 0.00% Add
Millennium Management history 292.94K $820.23K 0.00% Add
BlackRock Inc history 208.59K $584.06K 0.00% Hold
Goldman Sachs Group history 200.64K $561.80K 0.00% Reduce
UBS Group AG history 183.45K $513.65K 0.00% Add
D. E. Shaw & Co history 159.61K $446.90K 0.00% Add
Citadel Advisors history 99.87K $279.65K 0.00% Add
Point72 Asset Management history 94.21K $263.79K 0.00% Add
Renaissance Technologies history 35.50K $99.40K 0.00% New
Prudential Financial history 12.70K $35.56K 0.00% New
Fidelity Management & Research (FMR) history 37 $104 0.00% Hold

Q4 2025 — 16 funds

FundSharesValuePortfolio WeightChange
Marshall Wace history 1.29M $3.28M 0.00% Add
Morgan Stanley history 720.63K $1.84M 0.00% Add
Goldman Sachs Group history 420.82K $1.07M 0.00% Reduce
Two Sigma Investments history 312.66K $797.29K 0.00% Add
Millennium Management history 288.84K $736.53K 0.00% Add
Vanguard Group history 239.69K $611.22K 0.00% Reduce
BlackRock Inc history 208.59K $531.91K 0.00% Reduce
UBS Group AG history 179.69K $458.22K 0.00% Reduce
D. E. Shaw & Co history 137.95K $351.77K 0.00% Reduce
JPMorgan Chase & Co history 128.26K $327.07K 0.00% Add
Arrowstreet Capital history 101.91K $259.86K 0.00% Reduce
Point72 Asset Management history 63.49K $161.91K 0.00% New
Citadel Advisors history 29.20K $74.46K 0.00% Reduce
Citigroup Inc history 15.48K $39.47K 0.00% New
Bank of America Corp history 845 $2.15K 0.00% Reduce
Fidelity Management & Research (FMR) history 37 $94 0.00% Hold

Q3 2025 — 18 funds

FundSharesValuePortfolio WeightChange
Vanguard Group history 1.03M $3.22M 0.00% Add
Marshall Wace history 873.73K $2.73M 0.00% Add
Morgan Stanley history 682.17K $2.14M 0.00% Add
Goldman Sachs Group history 489.09K $1.53M 0.00% Hold
Two Sigma Investments history 295.31K $924.30K 0.00% Reduce
Arrowstreet Capital history 262.37K $821.23K 0.00% Reduce
Millennium Management history 254.25K $795.82K 0.00% Reduce
BlackRock Inc history 211.37K $661.60K 0.00% Reduce
Citadel Advisors history 206.41K $646.05K 0.00% Reduce
UBS Group AG history 181.67K $568.63K 0.00% Reduce
D. E. Shaw & Co history 164.44K $514.70K 0.00% Add
JPMorgan Chase & Co history 120.13K $376.01K 0.00% Reduce
Renaissance Technologies history 97.90K $306.43K 0.00% New
Charles Schwab Investment Management history 54.83K $171.62K 0.00% Reduce
Invesco Ltd history 41.76K $130.71K 0.00% Reduce
Wells Fargo & Co history 1.41K $4.41K 0.00% Reduce
Bank of America Corp history 872 $2.73K 0.00% Reduce
Fidelity Management & Research (FMR) history 37 $116 0.00% Hold

Q2 2025 — 27 funds

FundSharesValuePortfolio WeightChange
Vanguard Group history 1.02M $4.07M 0.00% Reduce
Marshall Wace history 699.52K $2.78M 0.00% Add
Morgan Stanley history 588.36K $2.34M 0.00% Reduce
Morgan Stanley history 588.36K $2.34M 0.00% Reduce
Goldman Sachs Group history 489.00K $1.95M 0.00% Add
Goldman Sachs Group history 489.00K $1.95M 0.00% Add
Millennium Management history 307.92K $1.23M 0.00% Reduce
Two Sigma Investments history 300.49K $1.20M 0.00% Reduce
Two Sigma Investments history 300.49K $1.20M 0.00% Reduce
Arrowstreet Capital history 271.38K $1.08M 0.00% Add
Citadel Advisors history 248.49K $988.98K 0.00% Reduce
Citadel Advisors history 248.49K $988.98K 0.00% Reduce
BlackRock Inc history 215.05K $855.91K 0.00% Hold
BlackRock Inc history 215.05K $855.91K 0.00% Hold
UBS Group AG history 214.55K $853.91K 0.00% Reduce
JPMorgan Chase & Co history 130.41K $519.03K 0.00% Reduce
JPMorgan Chase & Co history 130.41K $519.03K 0.00% Reduce
Invesco Ltd history 104.17K $414.58K 0.00% Reduce
Charles Schwab Investment Management history 97.92K $389.73K 0.00% Reduce
D. E. Shaw & Co history 46.16K $183.73K 0.00% New
PNC Financial Services history 15.40K $61.29K 0.00% Hold
Wells Fargo & Co history 6.39K $25.44K 0.00% Add
Bank of America Corp history 2.22K $8.83K 0.00% Add
Legal & General Investment Management America history 1.51K $6.00K 0.00% Hold
Fidelity Management & Research (FMR) history 37 $147 0.00% Reduce
Fidelity Management & Research (FMR) history 37 $147 0.00% Reduce
Lazard Asset Management history 3.84K $15 0.00% Reduce

Q1 2025 — 28 funds

FundSharesValuePortfolio WeightChange
Vanguard Group history 1.03M $3.54M 0.00% Reduce
Morgan Stanley history 632.22K $2.17M 0.00% Reduce
Morgan Stanley history 632.22K $2.17M 0.00% Reduce
Marshall Wace history 410.86K $1.41M 0.00% Add
Goldman Sachs Group history 403.83K $1.39M 0.00% Reduce
Goldman Sachs Group history 403.83K $1.39M 0.00% Reduce
Millennium Management history 394.82K $1.35M 0.00% Reduce
Citadel Advisors history 368.82K $1.27M 0.00% Add
Citadel Advisors history 368.82K $1.27M 0.00% Add
Two Sigma Investments history 306.97K $1.05M 0.00% Reduce
Two Sigma Investments history 306.97K $1.05M 0.00% Reduce
UBS Group AG history 230.60K $790.94K 0.00% Reduce
BlackRock Inc history 214.90K $737.11K 0.00% Reduce
BlackRock Inc history 214.90K $737.11K 0.00% Reduce
Charles Schwab Investment Management history 163.34K $560.26K 0.00% Reduce
Invesco Ltd history 153.30K $525.80K 0.00% Reduce
Arrowstreet Capital history 152.11K $521.74K 0.00% New
JPMorgan Chase & Co history 139.41K $478.18K 0.00% Add
JPMorgan Chase & Co history 139.41K $478.18K 0.00% Add
Renaissance Technologies history 18.90K $64.83K 0.00% Reduce
Renaissance Technologies history 18.90K $64.83K 0.00% Reduce
PNC Financial Services history 15.40K $52.82K 0.00% Reduce
Bank of America Corp history 1.74K $5.97K 0.00% Add
Legal & General Investment Management America history 1.51K $5.17K 0.00% Hold
Wells Fargo & Co history 1.43K $4.91K 0.00% Reduce
Fidelity Management & Research (FMR) history 43 $147 0.00% New
Fidelity Management & Research (FMR) history 43 $147 0.00% New
Lazard Asset Management history 3.98K $13 0.00% Reduce

View all 33 fund holders →

New Positions (Q2 2026)

Fully Exited (vs previous quarter)

Fund Position History — shares by quarter (top 20 funds)

FundQ2 2026Q1 2026Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024Q4 2023Q3 2023Q2 2023Q1 2023Q4 2022Q3 2022Q2 2022Q1 2022Q4 2021Q3 2021
Marshall Wace 1.62M 1.24M 1.29M 873.73K 699.52K 410.86K 230.48K 142.26K 351.91K 804.46K 498.32K 334.27K 366.37K 75.19K — 99.34K 97.06K 199.97K 28.33K 52.13K
Two Sigma Investments 1.50M 571.83K 312.66K 295.31K 300.49K 306.97K 401.44K 423.15K 459.30K 522.49K 489.74K 225.98K 363.89K 281.94K 302.44K 140.00K 82.25K 147.42K 272.36K 180.94K
D. E. Shaw & Co 1.40M 159.61K 137.95K 164.44K 46.16K — 44.10K 15.08K 26.20K 94.17K 106.96K 85.76K 137.57K 181.32K 123.09K 15.29K 12.30K — 89.28K 91.76K
Renaissance Technologies 661.60K 35.50K — 97.90K — 18.90K 237.90K 193.35K — 16.79K 437.69K 86.79K 114.19K 136.59K 27.84K — — — 92.29K —
Morgan Stanley 544.12K 710.44K 720.63K 682.17K 588.36K 632.22K 677.62K 636.58K 595.36K 569.58K 545.05K 765.56K 783.28K 766.38K 603.98K 567.76K 545.11K 492.63K 789.92K 1.01M
Millennium Management 397.42K 292.94K 288.84K 254.25K 307.92K 394.82K 589.98K 489.52K 562.09K 512.42K 480.36K 399.92K 214.42K 261.69K 470.88K 757.17K 1.03M 874.78K 947.51K 1.12M
Citadel Advisors 111.04K 99.87K 29.20K 206.41K 248.49K 368.82K 299.64K 257.78K 279.17K 333.84K 267.03K 162.53K 178.99K 319.85K 730.80K 684.30K 1.46M 1.09M 481.81K 526.94K
UBS Group AG 110.34K 183.45K 179.69K 181.67K 214.55K 230.60K 263.49K 27.03K 25.48K 32.78K 36.84K 47.22K 41.26K 41.51K 42.63K 94.22K 76.89K 102.15K 547.75K 81.38K
Goldman Sachs Group 95.84K 200.64K 420.82K 489.09K 489.00K 403.83K 432.20K 347.21K 365.78K 397.31K 378.77K 363.43K 484.53K 500.48K 492.14K 79.09K 100.41K 208.99K 150.98K 516.58K
JPMorgan Chase & Co 38.59K — 128.26K 120.13K 130.41K 139.41K 123.24K 88.23K 97.33K 19.60K 100.20K 49.85K 240 1.78K 1.21K 1.18K 90.21K 15.54K 217 184.89K
Citigroup Inc 23.21K — 15.48K — — — — — — 4 4 76 1.07K 1.11K 1.12K 1.11K 1.30K 1.50K 770 768
BlackRock Inc 13.38K 208.59K 208.59K 211.37K 215.05K 214.90K 217.44K 181.53K — — — — — — — — — — — —
Fidelity Management & Research (FMR) 37 37 37 37 37 43 — 1.25M 1.25M 1.25M 282.82K 5 — — — 307.38K — — — —
Point72 Asset Management — 94.21K 63.49K — — — — — — — — — — — — — — — — —
Norges Bank Investment Management — — — — — — — — — — 226.70K — — — — — — — — —
Arrowstreet Capital — — 101.91K 262.37K 271.38K 152.11K — — 27.26K — — — — — — — — — 53.16K —
Bank of America Corp — — 845 872 2.22K 1.74K 1.01K 2.44K 2.22K 49.86K 79.51K 65.85K 40.03K 44.55K 46.05K 255.18K 305.23K 259.16K 186.10K 5.65K
Invesco Ltd — — — 41.76K 104.17K 153.30K 189.51K 190.40K 186.33K 187.54K 123.78K 122.42K 121.46K 122.35K 70.32K 70.41K 74.09K 60.72K 42.26K 44.70K
Prudential Financial — 12.70K — — — — — — — — — — — — — — — — — —
Charles Schwab Investment Management — — — 54.83K 97.92K 163.34K 165.55K 102.38K 53.61K — 536.30K 354.89K 218.77K 108.89K — — — — — —

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