BALYASNY ASSET MANAGEMENT L.P. MU Micron Technology Inc Common S

Ownership history in BALYASNY ASSET MANAGEMENT L.P.  ·  107 quarters on record

AI Ownership Summary

BALYASNY ASSET MANAGEMENT L.P. reported Micron Technology Inc Common S (MU) in 107 quarterly 13F filings from 2023 Q4 through 2025 Q4. Peak portfolio weight reached 0.32% in 2025 Q3. The latest visible filing shows MU at 0.04% 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 BALYASNY ASSET MANAGEMENT L.P.'s position in Micron Technology Inc Common S, 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 0.04% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.32% in 2025 Q3

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.

How BALYASNY ASSET MANAGEMENT L.P. 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 26 quarters  
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 REDUCED 88.2% +18.4% 104,500 -782,519 -88.2% 0.04% $29.8M 2026-02-14 (Est.) $411.49
2025 Q4 ADDED 887,019 +755,619 +575.1% 0.32% $253.2M 2026-02-14 (Est.) $411.49
2025 Q4 ADDED 131,400 +30,600 +30.4% 0.05% $37.5M 2026-02-14 (Est.) $411.49
2025 Q3 REDUCED 93.4% +76.1% 100,800 -1,428,215 -93.4% 0.02% $16.9M 2025-11-14 $246.63
2025 Q3 ADDED 1,529,015 +1,368,815 +854.4% 0.32% $255.8M 2025-11-14 $246.63
2025 Q3 ADDED 160,200 +71,400 +80.4% 0.03% $26.8M 2025-11-14 $246.63
2025 Q2 REDUCED 6.4% +33.1% 88,800 -6,100 -6.4% 0.02% $10.9M 2025-08-14 $125.11
2025 Q2 ADDED 94,900 +63,900 +206.1% 0.02% $11.7M 2025-08-14 $125.11
2025 Q1 REDUCED 68.4% +41.9% 31,000 -67,200 -68.4% 0.00% $2.7M 2025-05-15 $95.22
2025 Q1 REDUCED 92.4% +41.9% 98,200 -1,199,458 -92.4% 0.01% $8.5M 2025-05-15 $95.22
2025 Q1 ADDED 1,297,658 +1,053,958 +432.5% 0.19% $112.8M 2025-05-15 $95.22
2024 Q4 ADDED 243,700 +234,200 +2465.3% 0.03% $20.5M 2025-02-14 $99.15
2024 Q4 ADDED 9,500 +3,356 +54.6% 0.00% $800K 2025-02-14 $99.15
2024 Q4 REDUCED 97.5% +3.4% 6,144 -234,956 -97.5% 0.00% $517K 2025-02-14 $99.15
2024 Q3 ADDED 241,100 +231,600 +2437.9% 0.04% $25.0M 2024-11-14 $98.69
2024 Q3 REDUCED 98.2% -17.5% 9,500 -525,130 -98.2% 0.00% $985K 2024-11-14 $98.69
2024 Q3 ADDED 534,630 +290,130 +118.7% 0.09% $55.4M 2024-11-14 $98.69
2024 Q2 REDUCED 26.0% -21.1% 244,500 -85,902 -26.0% 0.06% $32.2M 2024-08-14 $99.80
2024 Q2 ADDED 330,402 +315,502 +2117.5% 0.08% $43.5M 2024-08-14 $99.80
2024 Q2 REDUCED 24.4% -21.1% 14,900 -4,816 -24.4% 0.00% $2.0M 2024-08-14 $99.80
2024 Q1 REDUCED 92.7% +11.6% 19,716 -251,884 -92.7% 0.00% $2.3M 2024-05-13 $122.14
2024 Q1 ADDED 271,600 +262,100 +2758.9% 0.06% $32.0M 2024-05-13 $122.14
2024 Q1 REDUCED 99.4% +11.6% 9,500 -1,571,091 -99.4% 0.00% $1.1M 2024-05-13 $122.14
2023 Q4 ADDED 1,580,591 +1,311,491 +487.4% 0.25% $134.9M 2024-02-14 $81.18
2023 Q4 ADDED 269,100 +210,800 +361.6% 0.04% $23.0M 2024-02-14 $81.18
2023 Q4 ADDED 58,300 +9,500 +19.5% 0.01% $5.0M 2024-02-14 $81.18
81 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

FAQ About BALYASNY ASSET MANAGEMENT L.P. and MU

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

How long has BALYASNY ASSET MANAGEMENT L.P. reported owning MU?

BALYASNY ASSET MANAGEMENT L.P. reported MU across 26 quarterly 13F filings, from 2023 Q4 through 2025 Q4.

What was the largest reported MU position in BALYASNY ASSET MANAGEMENT L.P.'s portfolio?

The largest reported portfolio weight for MU was 0.32% in 2025 Q3.

What is the latest reported MU position on this page?

The most recent filing on this page is 2025 Q4, when BALYASNY ASSET MANAGEMENT L.P. reported 104,500 shares, equal to 0.04% of portfolio, with an estimated market value of $29.8M.

What does the chart on this MU ownership page compare?

The chart compares BALYASNY ASSET MANAGEMENT L.P.'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 BALYASNY ASSET MANAGEMENT L.P. time their MU position?

Based on 13F filing dates vs. subsequent MU price moves, BALYASNY ASSET MANAGEMENT L.P. correctly timed 49 out of 105 reported position changes (47%). The annualised alpha on MU relative to SPY over the holding period was +16.1%.

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