BALYASNY ASSET MANAGEMENT L.P. STX SEAGATE TECHNOLOGY Common Stock

Ownership history in BALYASNY ASSET MANAGEMENT L.P.  ·  78 quarters on record

AI Ownership Summary

BALYASNY ASSET MANAGEMENT L.P. reported SEAGATE TECHNOLOGY Common Stock (STX) in 78 quarterly 13F filings from 2024 Q1 through 2026 Q2. Peak portfolio weight reached 0.31% in 2026 Q2. The latest visible filing shows STX at 0.31% 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 STX 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 SEAGATE TECHNOLOGY Common Stock, 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
2026 Q2

STX was reported at 0.31% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.31% in 2026 Q2

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

Time in book
Holding Window
2024 Q1 to 2026 Q2

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 STX — position size vs. price
% of Fund (quarterly)    STX price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 22 quarters  
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q2 ADDED 256,151 +255,751 +63937.8% 0.31% $247.2M 2026-08-14 $973.44
2026 Q2 REDUCED 400 -10,500 -96.3% 0.00% $386K 2026-08-14 $973.44
2026 Q2 REDUCED 10,900 -385,236 -97.2% 0.01% $10.5M 2026-08-14 $973.44
2026 Q1 ADDED 396,136 +395,036 +35912.4% 0.20% $155.2M 2026-05-15 $794.90
2026 Q1 REDUCED 52.2% +147.4% 1,100 -1,200 -52.2% 0.00% $431K 2026-05-15 $794.90
2026 Q1 REDUCED 69.9% +147.4% 2,300 -5,332 -69.9% 0.00% $901K 2026-05-15 $794.90
2025 Q4 ADDED 7,632 +732 +10.6% 0.00% $2.1M 2026-02-17 $414.92
2025 Q4 REDUCED 65.0% +42.5% 6,900 -12,804 -65.0% 0.00% $1.9M 2026-02-17 $414.92
2025 Q3 ADDED 19,704 +13,504 +217.8% 0.01% $4.7M 2025-11-14 $256.90
2025 Q3 ADDED 6,200 +292 +4.9% 0.00% $1.5M 2025-11-14 $256.90
2025 Q2 ADDED 5,908 +1,508 +34.3% 0.00% $853K 2025-08-14 (Est.) $154.45
2025 Q2 REDUCED 55.1% +58.8% 4,400 -5,400 -55.1% 0.00% $635K 2025-08-14 (Est.) $154.45
2025 Q2 REDUCED 99.5% +58.8% 9,800 -2,040,146 -99.5% 0.00% $1.4M 2025-08-14 (Est.) $154.45
2025 Q1 ADDED 2,049,946 +2,043,346 +30959.8% 0.29% $174.1M 2025-05-15 $105.99
2025 Q1 REDUCED 95.1% +70.8% 6,600 -128,400 -95.1% 0.00% $561K 2025-05-15 $105.99
2025 Q1 REDUCED 71.2% +70.8% 135,000 -333,844 -71.2% 0.02% $11.5M 2025-05-15 $105.99
2024 Q4 ADDED 468,844 +358,444 +324.7% 0.06% $40.5M 2025-02-14 $99.29
2024 Q4 ADDED 110,400 +102,900 +1372.0% 0.01% $9.5M 2025-02-14 $99.29
2024 Q4 REDUCED 99.1% -0.8% 7,500 -862,905 -99.1% 0.00% $647K 2025-02-14 $99.29
2024 Q3 ADDED 870,405 +491,173 +129.5% 0.16% $95.3M 2024-11-14 $94.67
2024 Q1 ADDED 379,232 +319,232 +532.1% 0.06% $35.3M 2024-05-13 $89.28
2024 Q1 REDUCED 22.4% +10.8% 60,000 -17,347 -22.4% 0.01% $5.6M 2024-05-13 $89.28
56 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

FAQ About BALYASNY ASSET MANAGEMENT L.P. and STX

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 STX?

BALYASNY ASSET MANAGEMENT L.P. reported STX across 22 quarterly 13F filings, from 2024 Q1 through 2026 Q2.

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

The largest reported portfolio weight for STX was 0.31% in 2026 Q2.

What is the latest reported STX position on this page?

The most recent filing on this page is 2026 Q2, when BALYASNY ASSET MANAGEMENT L.P. reported 256,151 shares, equal to 0.31% of portfolio, with an estimated market value of $247.2M.

What does the chart on this STX ownership page compare?

The chart compares BALYASNY ASSET MANAGEMENT L.P.'s quarterly STX 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 STX position?

Based on 13F filing dates vs. subsequent STX price moves, BALYASNY ASSET MANAGEMENT L.P. correctly timed 46 out of 75 reported position changes (61%). The annualised alpha on STX relative to SPY over the holding period was +43.4%.

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