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Seagate is executing a cyclical turnaround fueled by AI datacenter restocking. However, the current share price wildly overestimates terminal growth, completely ignoring the structural decay of HDD markets. Fair value range: low $164, high $359, with mid-point at $234.
Stock analysis

STX Seagate Technology Holdings plc fair value $234–$359

STX
By StockMarketAgent.AI team· supervised by
Analyzed: 2026-05-09Next update: 2026-08-09Methodology v2.4Archetype: TurnaroundNASDAQ · Information Technology
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Last price
$766.44
▼ -532.85 (-69.52%)
Fair value
$234
$234–$359
Rating
Sell
confidence 62/100
Upside
-69.5%
upside to fair value
Margin of Safety
$198.55
buy below · 15%
Market Cap
$171.9B
P/E fwd 29.2

§1 Executive summary

  • Market implies 30% perpetual growth; reality dictates a 1-2% terminal rate.
  • FCFF DCF model strongly anchors baseline valuation around $136.88.
  • Structural obsolescence via SSDs remains an existential long-term threat.
  • Accounting quality gates failed, indicating poor earnings translation to hard cash.
Fair value
$234
Margin of safety
-228.1%
Confidence
62/100
Moat
3/10

Educational analysis only — not financial advice. Always do your own due diligence.

$766.44Price
FV $233.59
High $358.66

Seagate is executing a cyclical turnaround fueled by AI datacenter restocking. However, the current share price wildly overestimates terminal growthTerminal growthThe perpetual growth rate assumed in the Gordon-growth terminal-value calculation. Capped below long-run nominal GDP (typically 2.5–3.0% for developed-market firms)., completely ignoring the structural decay of HDD markets.

  • Significant installed base in enterprise
    Significant installed base in enterprise nearline storage.
  • Duopoly structure in mass-capacity HDDs
    Duopoly structure in mass-capacity HDDs provides temporary pricing stability.
  • Cycle upside
    Hyperscaler AI-driven storage demand creates temporary capacity tightness, boosting near-term pricing power and operating margins.

§2 Bear case

A sudden halt in cloud infrastructure spending alongside dropping SSD costs destroys HDD volume. Seagate's high fixed costs and $4.99B debt load severely pressure cash flows, breaching covenants and demanding emergency restructuring.

Ways this thesis can break

Accelerated SSD Substitution

· High

NAND oversupply permanently crushes SSD pricing, making HDDs obsolete for nearline enterprise workloads.

FV impact
-40%
Trigger
12-24 months

Hyperscaler Capex Freeze

· Medium

AI infrastructure buildout stalls, leading to a massive inventory glut and immediate price compression.

FV impact
-30%
Trigger
6-12 months

Debt Restructuring Crisis

· Low

Deteriorating free cash flow forces painful debt restructuring under elevated interest rates.

FV impact
-60%
Trigger
24-36 months
Early-warning signals to monitor
MetricCurrentTrigger threshold
Gross margins falling back below 20 percent.MonitorDeterioration versus the report thesis
Sequential declines in nearline HDD exabyte shipments.MonitorDeterioration versus the report thesis
Rising days inventory outstanding signaling unabsorbed capacity.MonitorDeterioration versus the report thesis
Failure to sustain robust positive annualized free cash flow.MonitorDeterioration versus the report thesis
C-suite departures or emergency debt issuances to cover obligations.MonitorDeterioration versus the report thesis

§3 Financial history

Income statement — last six periods
Line itemT−0T−1T−2T−3T−4CAGR
Period2021-06-302022-06-302023-06-302024-06-302025-06-30Trend
Revenue$11.66B$7.38B$6.55B$9.10B-6.0%
Gross profit$3.47B$1.35B$1.54B$3.20B-2.0%
Operating income$1.96B$60.0M$422.0M$1.92B-0.6%
Net income$1.65B$-529.0M$335.0M$1.47B-2.8%
EPS (diluted)$5.36$7.36$-2.56$1.58-26.3%
EBITDA$2.38B$330.0M$1.04B$2.09B-3.2%
R&D$941.0M$797.0M$654.0M$724.0M-6.3%
SG&A$559.0M$491.0M$460.0M$561.0M+0.1%

Quality scores

Piotroski F-score
7 / 9
0–9 quality composite
Altman Z-score
12.78
Bankruptcy risk (>3 safe)
Beneish M-score
-1.48
Earnings manipulation risk
OCF / Net income
0.74×
>1 indicates high earnings quality
Accounting quality gate
Fail
Sector-adjusted gate
ROIC
31.9%
Return on invested capital
§3

Numbers analysis

Individual subscribers — §4 onwards11 more sections

Read the full analysis — 11 more sections.

Competitive moat, industry cycle, peer comparison, intrinsic valuation, sensitivity, scenarios, earnings decision tree, position management, investor perspectives, scorecard, and final recommendation.

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FAQ

STX — frequently asked questions

  1. Based on our latest independent analysis, STX looks meaningfully overvalued. The current price is $766 versus a composite fair-value midpoint of $234 (range $164–$359), which implies roughly 69.5% downside to the midpoint.
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