CAPITAL FUND MANAGEMENT S.A. MU — MICRON TECHNOLOGY INC COM

Ownership history in CAPITAL FUND MANAGEMENT S.A.  ·  155 quarters on record

AI Ownership Summary

CAPITAL FUND MANAGEMENT S.A. reported MICRON TECHNOLOGY INC COM (MU) in 155 quarterly 13F filings from 2023 Q4 through 2025 Q4. Peak portfolio weight reached 0.92% in 2025 Q4. The latest visible filing shows MU at 0.92% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this MU ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was CAPITAL FUND MANAGEMENT S.A.'s position in MICRON TECHNOLOGY INC COM, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2025 Q4

MU was reported at 0.92% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.92% in 2025 Q4

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2023 Q4 to 2025 Q4

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

MU stock page CAPITAL FUND MANAGEMENT S.A. fund profile CAPITAL FUND MANAGEMENT S.A. full holdings
How CAPITAL FUND MANAGEMENT S.A. held MU — position size vs. price
% of Fund (quarterly)    MU price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 21 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 ADDED — — — 1,157,800 +857,019 +284.9% 0.92% $330.4M 2026-02-14 (Est.) $411.49
2025 Q4 REDUCED 44.9% +18.4% ❌ 300,781 -245,519 -44.9% 0.24% $85.8M 2026-02-14 (Est.) $411.49
2025 Q4 REDUCED — — — 546,300 -24,476 -4.3% 0.43% $155.9M 2026-02-14 (Est.) $411.49
2025 Q3 REDUCED 55.9% +76.1% ❌ 570,776 -723,524 -55.9% 0.25% $95.5M 2025-11-13 $236.75
2025 Q3 ADDED — — — 1,294,300 +539,200 +71.4% 0.57% $216.6M 2025-11-13 $236.75
2025 Q3 REDUCED 47.9% +76.1% ❌ 755,100 -694,200 -47.9% 0.33% $126.3M 2025-11-13 $236.75
2025 Q2 ADDED — — — 1,449,300 +664,500 +84.7% 0.49% $178.6M 2025-08-13 $124.09
2025 Q2 ADDED — — — 784,800 +1,600 +0.2% 0.27% $96.7M 2025-08-13 $124.09
2025 Q1 REDUCED 25.2% +41.9% ❌ 783,200 -263,300 -25.2% 0.20% $68.1M 2025-05-14 $95.09
2025 Q1 REDUCED 8.5% +41.9% ❌ 1,046,500 -97,500 -8.5% 0.26% $90.9M 2025-05-14 $95.09
2024 Q4 ADDED — — — 1,144,000 +382,900 +50.3% 0.25% $96.3M 2025-02-13 $95.31
2024 Q4 REDUCED 32.1% +3.4% ❌ 761,100 -360,600 -32.1% 0.16% $64.1M 2025-02-13 $95.31
2024 Q3 REDUCED 24.3% -17.5% ✅ 1,121,700 -359,100 -24.3% 0.32% $116.3M 2024-11-13 $99.42
2024 Q3 ADDED — — — 1,480,800 +955,500 +181.9% 0.42% $153.6M 2024-11-13 $99.42
2024 Q2 REDUCED 43.8% -21.1% ✅ 525,300 -409,600 -43.8% 0.20% $69.1M 2024-08-13 $96.85
2024 Q2 ADDED — — — 934,900 +779,300 +500.8% 0.36% $123.0M 2024-08-13 $96.85
2024 Q1 REDUCED 56.5% +11.6% ❌ 155,600 -201,800 -56.5% 0.05% $18.3M 2024-05-15 $126.92
2024 Q1 ADDED — — — 357,400 +161,600 +82.5% 0.12% $42.1M 2024-05-15 $126.92
2023 Q4 REDUCED 22.5% +45.8% ❌ 195,800 -56,800 -22.5% 0.04% $16.7M 2024-02-14 $81.18
2023 Q4 REDUCED 64.4% +45.8% ❌ 252,600 -456,285 -64.4% 0.06% $21.6M 2024-02-14 $81.18
2023 Q4 ADDED — — — 708,885 +212,185 +42.7% 0.16% $60.5M 2024-02-14 $81.18
134 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding MU

As of 2026 Q1 — sorted by position size

PKO BP BANKOWY Universal Pension Society JSC 27.93% UG Investment Advisers Ltd. 3Y 7Y 20.86% Worthington Financial Partners, LLC 15.35% Tensor Edge Capital, LLC 13.55% Q Fund Management (Hong Kong) Ltd 8.33% JACKSON SQUARE CAPITAL, LLC 3Y 7.34% APEIRON CAPITAL Ltd 3Y 6.92% Runnymede Capital Advisors, Inc. 6.26% Decker Retirement Planning Inc. 4.5% Granite FO LLC 4.37%

FAQ About CAPITAL FUND MANAGEMENT S.A. and MU

These are the practical questions this page is built to answer before you even open the full history table.

How long has CAPITAL FUND MANAGEMENT S.A. reported owning MU?

CAPITAL FUND MANAGEMENT S.A. reported MU across 21 quarterly 13F filings, from 2023 Q4 through 2025 Q4.

What was the largest reported MU position in CAPITAL FUND MANAGEMENT S.A.'s portfolio?

The largest reported portfolio weight for MU was 0.92% in 2025 Q4.

What is the latest reported MU position on this page?

The most recent filing on this page is 2025 Q4, when CAPITAL FUND MANAGEMENT S.A. reported 1,157,800 shares, equal to 0.92% of portfolio, with an estimated market value of $330.4M.

What does the chart on this MU ownership page compare?

The chart compares CAPITAL FUND MANAGEMENT S.A.'s quarterly MU portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

How well did CAPITAL FUND MANAGEMENT S.A. time their MU position?

Based on 13F filing dates vs. subsequent MU price moves, CAPITAL FUND MANAGEMENT S.A. correctly timed 86 out of 153 reported position changes (56%). The annualised alpha on MU relative to SPY over the holding period was +11.4%.

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