STX SEAGATE TECHNOLOGY PLC

Ownership history in LMR Partners LLP  ·  43 quarters on record

AI Ownership Summary

LMR Partners LLP reported SEAGATE TECHNOLOGY PLC (STX) in 43 quarterly 13F filings from 2023 Q4 through 2025 Q4. Peak portfolio weight reached 0.47% in 2025 Q1. The latest visible filing shows STX at 0.01% 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 LMR Partners LLP's position in SEAGATE TECHNOLOGY PLC, 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

STX was reported at 0.01% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.47% in 2025 Q1

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 LMR Partners LLP held STX — position size vs. price
% of Fund (quarterly)    STX price (quarter-end, indexed to 100)
📋 Quarterly Holdings History 24 quarters  
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 REDUCED 13,954 -37,746 -73.0% 0.01% $3.8M 2026-02-14 (Est.) $425.25
2025 Q4 ADDED 51,700 +48,700 +1623.3% 0.03% $14.2M 2026-02-14 (Est.) $425.25
2025 Q3 REDUCED 3,000 -48,700 -94.2% 0.00% $708K 2025-11-14 $257.09
2025 Q3 ADDED 51,700 +11,700 +29.2% 0.05% $12.2M 2025-11-14 $257.09
2025 Q3 REDUCED 40,000 -52,600 -56.8% 0.04% $9.4M 2025-11-14 $257.09
2025 Q2 REDUCED 92,600 -333,923 -78.3% 0.10% $13.4M 2025-08-14 $154.56
2025 Q2 ADDED 426,523 +381,823 +854.2% 0.44% $61.6M 2025-08-14 $154.56
2025 Q2 REDUCED 44,700 -544,854 -92.4% 0.05% $6.5M 2025-08-14 $154.56
2025 Q1 ADDED 589,554 +192,154 +48.4% 0.47% $50.1M 2025-05-15 $106.06
2025 Q1 ADDED 397,400 +278,900 +235.4% 0.32% $33.8M 2025-05-15 $106.06
2025 Q1 ADDED 118,500 +22,404 +23.3% 0.09% $10.1M 2025-05-15 $106.06
2024 Q4 REDUCED 96,096 -37,604 -28.1% 0.07% $8.3M 2025-02-14 $99.37
2024 Q4 ADDED 133,700 +108,200 +424.3% 0.10% $11.5M 2025-02-14 $99.37
2024 Q4 UNCHANGED 25,500 0% 0.02% $2.2M 2025-02-14 $99.37
2024 Q3 REDUCED 25,500 -8,200 -24.3% 0.02% $2.8M 2024-11-07 $102.17
2024 Q3 REDUCED 33,700 -249,208 -88.1% 0.03% $3.7M 2024-11-07 $102.17
2024 Q3 ADDED 282,908 +249,208 +739.5% 0.25% $31.0M 2024-11-07 $102.17
2024 Q2 REDUCED 33,700 -89,894 -72.7% 0.03% $3.5M 2024-08-14 $93.72
2024 Q2 ADDED 123,594 +98,094 +384.7% 0.11% $12.8M 2024-08-14 $93.72
2024 Q2 REDUCED 25,500 -8,200 -24.3% 0.02% $2.6M 2024-08-14 $93.72
2024 Q1 REDUCED 33,700 -22,196 -39.7% 0.03% $3.1M 2024-05-15 $94.69
2024 Q1 ADDED 55,896 +30,396 +119.2% 0.05% $5.2M 2024-05-15 $94.69
2024 Q1 REDUCED 25,500 -189,045 -88.1% 0.02% $2.4M 2024-05-15 $94.69
2023 Q4 ADDED 214,545 +164,546 +329.1% 0.21% $18.3M 2024-02-14 $82.59
19 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

FAQ About LMR Partners LLP and STX

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

How long has LMR Partners LLP reported owning STX?

LMR Partners LLP reported STX across 24 quarterly 13F filings, from 2023 Q4 through 2025 Q4.

What was the largest reported STX position in LMR Partners LLP's portfolio?

The largest reported portfolio weight for STX was 0.47% in 2025 Q1.

What is the latest reported STX position on this page?

The most recent filing on this page is 2025 Q4, when LMR Partners LLP reported 13,954 shares, equal to 0.01% of portfolio, with an estimated market value of $3.8M.

What does the chart on this STX ownership page compare?

The chart compares LMR Partners LLP'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.

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