Seagate Technology Holdings (STX) stock

Hard disk drives for data storageMemory chips

Worth $107B

$501.62

-0.89%

Hard disk drives, worth $107BMemory chips

As of Tuesday's close · Live for Pro members at the open

Why is STX down?

Down 28% from Oct 29 to Nov 10.

From Oct 29 to Nov 10, memory chip stocks fell together, and Seagate Technology makes hard disk drives and fell with them.

Sources: Price history, Nov 10, 2026; Yahoo Finance, Oct 30, 2026

−1Long-term trend below a falling 200-day average

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1 more reason, free with an account →5 more reasons why STX fell 28% since Oct 29, from its filings, with the other side, the timeline, and its peers, for Pro members.

Why STX still beats the market over three years

Up 646% over the three years to Nov 9 while the S&P 500 rose 80%; down 28% since Oct 29.

6 reasons, from its filings, with the timeline, for Pro members.

Quality Score

Average

In its industry

#5of 6

Data Storage

Checks firing

2of 14

Trending up

From 52-week high

-56.2%

under its best in a year

Down:Lowest Quality Score since May 2025. Scores before Sep 10, 2026 were rebuilt.

STX's Quality Score was unchanged on Tue, Nov 10, at 6.

See STX's 14 chart checksSee it live, free until Thursday morning. No account. No card. Then keep going with a free account.

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Key facts on STX

Key facts on STX
The company	Sales up 44% on the year
Its score	Down:Lowest Quality Score since May 2025 Scores before Sep 10, 2026 were rebuilt.
Latest filing	10-Q, Oct 29 Filed its quarterly report (10-Q) for the quarter to Oct 2, 2026

1 more reason behind STX's 6, free with an account →5 more reasons behind STX's 6, for Pro members.

STX in the news

Thu Nov 5Seagate Technology Holdings PLC Advanced Charts Barron's and 1 more STX closed −16.3% that day.

Memory and chip stocks rose together

Group

“Anthropic signs $3.4bn gas generator deal to support 1.7GW of data center power”

STX closed +9.8% that day.

Reported by DCD · covered by 10 outlets

Get an alert on STX's next big story →

The move is what STX did that session, not a claim about why.

1 big story on STX in the past 12 months, for Pro members.

What moves memory chips

Big Tech spending$201.9B+108%in the quarter, Jul to Sepon a year

What Microsoft, Alphabet, Amazon, and Meta together spent on buildings and equipment, data centers included, in their latest quarter, against a year earlier. Capital spending as each reports it, not a count of chips bought.

Each company's quarterly report (10-Q) on SEC EDGAR, Jul to Sep. Change on the same period a year earlier.

TSMC monthly sales and US export rules, for Pro members.

What's next

Wed Dec 23: Ex-dividend, $0.76 a shareAt the open. Pays Jan 7.

Tested. Our top-scored stocks returned 2.2x the average stock over the next month. Reconstructed after the fact; recorded live since Sep 9, 2026. How we tested it

STX catalysts

Coming up

After its last 4 reports it closed +9.3% on average, higher 4 of 4 times.

17 past catalysts since 2018, with sizes and sources, for Pro members.

How STX ranks in Data Storage

STX is #5 of 6 by Quality Score.

How STX ranks in Data Storage
Rank	Stock	Checks	Quality Score
1	NTAPNetApp	3/14	11
2	SNDKSandisk	0/14	10
3	WDCWestern Digital	2/14	7
	QMCOQuantum		Open for its score
5	STXSeagate Technology	2/14	6

Share count against a year before: STX +7%, NTAP -2.5%, SNDK +0%, P +1.6%.

When does STX report earnings, and what happens after?

Expected to report Tue Jan 26, after the close (in 77 days).

What an earnings report is: every 3 months, a company tells everyone how much it sold and earned. We read the figures, the outlook, and how the stock moved after.

What STX reported on Oct 27, 2026

The quarter

Sales of $4.2B, 61% more than a year ago; a profit of $7.59 a share, from $2.43.

The quarter that ended Oct 2, from the company's press release

The press release The filing on EDGAR

Where the sales came from

Where the quarter's sales came from
Line	Q1 FY27	Q1 FY26
By region
Singaporeup 90%	$2B47%	$1B39%

Each quarter's sales and their share of its total. Figures as filed (SEC filing, Oct 29)

2 more lines, for Pro members.

The outlook

The outlook the company gave, by period
Measure	Figure
Fiscal second quarter 2027
Revenue	$4.8 billion, ±$100 million

Figures as filed (SEC filing, Oct 27)

1 more outlook line, for Pro members.

The numbers

Market value: $107B; today
Sales: $14B; up 44.4% on the year
Free cash flow: $4.2B; last 12 months

Sales grew 2.7% a year over 5 years, fiscal 2021 to 2026.

Pays $3.04 a share a year.

5 more figures, for Pro members.

No analyst estimates on Breakaway: every figure here is filed.

The whole report on STX: every line of its sales, every outlook beside the one it replaced, and the company's words, for Pro members.

Close after the report, last 3

+11.1%+2.3%+4.5%

Apr 28Jul 28Oct 27

Reported	When	Gap	Reaction	5 days
Oct 27, 2026After close	After close	-3.1%	+4.5%	-9.2%
Jul 28, 2026After close	After close	+5.3%	+2.3%	+13.1%
Apr 28, 2026After close	After close	+15.4%	+11.1%	+33.2%

STX closed higher after 4 of its last 4 reports.

All 4 reports, and STX's Quality Score going into each

STX sales and profit by year

Sales and profit by year

Sales grew in five of the last seven years, to $12B in 2026. It made a profit in seven of the eight years.

STX has 2 of 14 chart checks firing

Trend1 of 5 shown

MA FAN 21 EMA W.EMA HH/HL 52W HI

Volume1 of 3 shown

VOL VDU U/D VOL

Tight range1 of 3 shown

ATR SQZ SQUEEZE NR7

Buying1 of 3 shown

OBV+CLOSE HI SPRING

The other 10 checks on STX, and all 14 on every stock.Get in free →

STX RSI today: 31.6, below its 50-day and 200-day averages

Not scored

RSI 31.6, MACD below signal, below both averages. Not scored.13 readings

The deep dive on STX

What it does and how it makes money5 findingsIt kept 34 cents of each dollar of sales in fiscal 2026: $4.09B of operating profit on $12.2B of sales.Annual report, filed Aug 4, 2026
Where it stands5 findingsFor Pro members5 findings on where STX stands: its cash, debt, and share count, for Pro members
What changed in its filings6 findings"Seagate Technology LLC … a patent infringement action was filed by Godo Kaisha IP Bridge 1 ('IP Bridge') against Seagate in U.S. District Court for the District of Delaware." (10-Q for the quarter to Oct 2, 2026)SEC filing · Oct 29, 2026A new heading in its "Risk Factors" this year: "Cybersecurity threats, vulnerabilities, and other security events affecting our systems, products, or data, or those of our vendors, suppliers, customers, or other third parties, could have a material adverse effect on our business, financial condition …" (10-K for fiscal 2026; not in fiscal 2025's)SEC filing · Aug 4, 2026, against the one of Aug 1, 2025
Who holds and trades it6 findingsFor Pro members6 findings on who holds and trades STX, for Pro members
Against its closest peers4 peersShare count against a year before: STX +7%, NTAP -2.5%, SNDK +0%, P +1.6%.

19 more findings on STX, each with its source, for Pro members.

STX insider trades

6 insiders sold $173M across 33 filings in the last 6 months. No open-⁠market buys on record. The newest:

SellJames Ci Lee$351KEVP & CLOat $642.14 on Oct 23, filed Oct 26

SellJames Ci LeeEVP & CLO$351Kat $642.14 on Oct 23, filed Oct 26

All 33 insider filings on STX from the last six months, for Pro members.

All STX insider trades

STX trades by Congress and the executive branch

9 trades disclosed in the last six months. The newest:

SellKevin Hern$15K to $50KHousetraded Oct 23, disclosed Oct 28(5 days later)

SellKevin HernHouse$15K to $50Ktraded Oct 23, disclosed Oct 28(5 days later)

All 9 trades on STX disclosed by Congress and the executive branch, for Pro members.Get in free →

See what Congress is buying across the market

STX's officers and directors

Officers and directors with a Form 4 in the last 12 months.

William D. MosleyCEO · 25 trades
Gianluca RomanoEVP & CFO · 16 trades
Ban Seng TehEVP & Chief Commercial Officer · 17 trades
John Christopher MorrisEVP & CTO · 14 trades
James Ci LeeEVP & CLO · 10 trades
Kian Fatt ChongEVP Global Operations · 1 trade
Yolanda Lee ConyersDirector · 4 trades
Stephanie TileniusDirector · 2 trades

8 more officers and directors file at STX.

See insider trades by person

Which ETFs hold STX?

In ETFs: STX is 1.3% of SPMO, 1.1% of JEPQ, and 0.7% of XLK, the most of the 24 funds Breakaway covers, by each fund's latest filing, Jun 30 to Aug 31, 2026.

About Seagate Technology Holdings

Seagate Technology is a leading supplier of hard disk drives for data storage to the enterprise and consumer markets. It forms a practical duopoly in the market with its chief rival, Western Digital; they are both vertically integrated.

30,000 employeesSingaporeseagate.com

What Seagate Technology Holdings says it competes with

“Our global competitors include HDD manufacturers such as Western Digital Corporation and Toshiba Electronics Devices & Storage Corporation along with NAND flash suppliers that provide and enable alternative storage technologies, as well as storage systems and solutions providers.”

From its annual report, SEC filing · Aug 4, 2026

Here is what Pro members see.

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Its Quality Score and rank, the line that drives it, and the live price.
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Every line of the score
Price action, the company, and signals, each with its points, on STX and every other stock.
CEOs buying their own stock
Every CEO buy, biggest names first. Sort, filter, save the list, and set optional alerts.
Congress trades
A member's trades, newest first, each with its amount. Sort and filter the whole list.
14 chart checks, read for you
The ones firing on the stock, each in plain words, its rule a tap away.
Earnings, week by week
Who reports each day, and how each stock took its last four reports.
FDA dates, counted down
Each date in the company's words, its cash against the date, and an optional alert before it.
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What would turn STX's score around: 4 things
3 more filings explained, a plain line each
2 more things pulling STX's score down

BreakawayOct 8Donald Trump bought STX$1K to $15K, disclosed Oct 8

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See STX's 14 chart checks

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Straight AnswersStraight Answers

As of Nov 10, 2026: STX's Quality Score is 6 (Average), #5 of 6 in Data Storage. Insiders sold $173M in the last 6 months (Form 4).

What does STX's Quality Score say?

STX scores 6 today, which Breakaway calls Average. It is #5 of 6 in Computer Storage Devices by Quality Score, with 2 of 14 chart checks firing. Down 28% from Oct 29 to Nov 10. Breakaway does not say whether to buy any stock: the score does not know your situation, and it is not a recommendation to buy or sell anything. Please do your own research.

What is STX's Quality Score?

STX scores 6 today, which Breakaway calls Average (6 to 10). That is #5 of 6 in Computer Storage Devices by Quality Score. The score adds up the chart checks, the trend, the company's filed sales, its profits, the news, insider trades, and Congress trades. The section above lists the lines behind STX's 6.

Are insiders buying STX?

6 insiders sold $173M across 33 filings in the last 6 months. No open-⁠market buys on record. The newest is James Ci Lee, EVP & CLO, who sold $351K on Oct 23. Every filing, with the scored weight, for Pro members.

Are the prices delayed?

Only on the public pages, which run at least 15 minutes behind. Pro members, and anyone on a guest pass, see real-time prices: the scanner refreshes every 15 seconds, and your watchlist every few seconds, pre-market and after hours included.