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STX logoSTX

Seagate Technology · Other

Tracked owners
1
Sum of conviction
6%
Sector
Other
HoldLens Signal
Full buy/sell dossier for STX
Verdict · Multi-quarter trend · Activity · News · Ownership
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Smart money activity

Every tracked buy, add, trim, and exit on STX by the best portfolio managers in the world. Ranked by manager quality inside each quarter.

Smart money activity
8 buys · 5 sells across tracked 13F filings
Net signal: Heavy accumulation
Q4 2025(2 moves)
Portfolio manager% portfolio
Gotham Asset Management
0.10%
Duquesne Family Office
0.00%
Q3 2025(2 moves)
Portfolio manager% portfolio
Gotham Asset Management
0.10%
Duquesne Family Office
0.50%
Q2 2025(2 moves)
Portfolio manager% portfolio
Duquesne Family Office
0.70%
Gotham Asset Management
0.10%
Q1 2025(1 move)
Portfolio manager% portfolio
Duquesne Family Office
1.30%
Q4 2024(2 moves)
Portfolio manager% portfolio
Duquesne Family Office
4.80%
Gotham Asset Management
0.10%
Q3 2024(2 moves)
Portfolio manager% portfolio
Duquesne Family Office
7.10%
Gotham Asset Management
0.10%

Insider activity

SEC Form 4 filings — when CEOs, CFOs, and 10%+ owners buy or sell their own stock.

Insider activity (Form 4)
6 buys · 52 sells from corporate insiders
Net: INSIDER SELLING
InsiderValue
Teh Ban Seng
EVP & Chief Commercial Officer
$0
Teh Ban Seng
EVP & Chief Commercial Officer
$0
Teh Ban Seng
EVP & Chief Commercial Officer
$0
Teh Ban Seng
EVP & Chief Commercial Officer
$6.54M
Teh Ban Seng
EVP & Chief Commercial Officer
$147K
Teh Ban Seng
EVP & Chief Commercial Officer
$239K
Teh Ban Seng
EVP & Chief Commercial Officer
$226K
Teh Ban Seng
EVP & Chief Commercial Officer
$0
Teh Ban Seng
EVP & Chief Commercial Officer
$0
Teh Ban Seng
EVP & Chief Commercial Officer
$0
Teh Ban Seng
EVP & Chief Commercial Officer
$6.54M
Teh Ban Seng
EVP & Chief Commercial Officer
$147K
Teh Ban Seng
EVP & Chief Commercial Officer
$239K
Teh Ban Seng
EVP & Chief Commercial Officer
$226K
Teh Ban Seng
EVP & Chief Commercial Officer
$1.30M
Teh Ban Seng
EVP & Chief Commercial Officer
$66K
Teh Ban Seng
EVP & Chief Commercial Officer
$66K
Teh Ban Seng
EVP & Chief Commercial Officer
$33K
Teh Ban Seng
EVP & Chief Commercial Officer
$263K
Teh Ban Seng
EVP & Chief Commercial Officer
$33K
Teh Ban Seng
EVP & Chief Commercial Officer
$164K
Teh Ban Seng
EVP & Chief Commercial Officer
$131K
Teh Ban Seng
EVP & Chief Commercial Officer
$65K
Teh Ban Seng
EVP & Chief Commercial Officer
$163K
Teh Ban Seng
EVP & Chief Commercial Officer
$232K
Teh Ban Seng
EVP & Chief Commercial Officer
$221K
Teh Ban Seng
EVP & Chief Commercial Officer
$285K
Teh Ban Seng
EVP & Chief Commercial Officer
$491K
Teh Ban Seng
EVP & Chief Commercial Officer
$347K
Teh Ban Seng
EVP & Chief Commercial Officer
$97K
Teh Ban Seng
EVP & Chief Commercial Officer
$322K
Teh Ban Seng
EVP & Chief Commercial Officer
$410K
Teh Ban Seng
EVP & Chief Commercial Officer
$543K
Teh Ban Seng
EVP & Chief Commercial Officer
$336K
Teh Ban Seng
EVP & Chief Commercial Officer
$160K
Teh Ban Seng
EVP & Chief Commercial Officer
$416K
Teh Ban Seng
EVP & Chief Commercial Officer
$1.30M
Teh Ban Seng
EVP & Chief Commercial Officer
$66K
Teh Ban Seng
EVP & Chief Commercial Officer
$66K
Teh Ban Seng
EVP & Chief Commercial Officer
$33K
Teh Ban Seng
EVP & Chief Commercial Officer
$263K
Teh Ban Seng
EVP & Chief Commercial Officer
$33K
Teh Ban Seng
EVP & Chief Commercial Officer
$164K
Teh Ban Seng
EVP & Chief Commercial Officer
$131K
Teh Ban Seng
EVP & Chief Commercial Officer
$65K
Teh Ban Seng
EVP & Chief Commercial Officer
$163K
Teh Ban Seng
EVP & Chief Commercial Officer
$232K
Teh Ban Seng
EVP & Chief Commercial Officer
$221K
Teh Ban Seng
EVP & Chief Commercial Officer
$285K
Teh Ban Seng
EVP & Chief Commercial Officer
$491K
Teh Ban Seng
EVP & Chief Commercial Officer
$347K
Teh Ban Seng
EVP & Chief Commercial Officer
$97K
Teh Ban Seng
EVP & Chief Commercial Officer
$322K
Teh Ban Seng
EVP & Chief Commercial Officer
$410K
Teh Ban Seng
EVP & Chief Commercial Officer
$543K
Teh Ban Seng
EVP & Chief Commercial Officer
$336K
Teh Ban Seng
EVP & Chief Commercial Officer
$160K
Teh Ban Seng
EVP & Chief Commercial Officer
$416K

Latest news

Recent headlines for STX.

Hedge funds holding STX

1 superinvestor hold Seagate Technology as a top position. Sorted by % of portfolio.

Manager% Portfolio
Jeffrey Ubben fund logoJeffrey Ubben
Storage — multi-year hold.
6.3%
Dividend tax by country

What will you keep of every $100 in STX dividend?

Withholding rate
0%
Domestic (no cross-border)
Tax withheld
$0.00
You'd receive
$1000.00
Of $1000 gross
Source & treaty reference
Treaty: Domestic — no cross-border withholding
Citation: IRC §§ 1441–1446 (withholding applies to foreign persons; US residents not subject to WHT on US-source dividends)
U.S. residents receiving U.S.-source dividends: no cross-border withholding; taxed on return at qualified (0/15/20%) or ordinary rates.

Estimates for educational purposes only. Tax rules change; consult a qualified tax professional for your specific situation. Dividend-tax treatment depends on holding period, account type (taxable vs. retirement), investor type (individual vs. pension vs. mutual fund), limitation-on-benefits tests, and other factors not modeled here.

Get alerts when they buy or sell STX

One email per 13F filing — you'll know within hours if any tracked manager moves on STX.

Related smart-money signals

Derived from the same 13F filings

Frequently asked questions

Who owns STX?

1 tracked superinvestors hold Seagate Technology (STX) as a top position based on the latest SEC 13F filings. Largest tracked holder: Jeffrey Ubben at 6.3% of portfolio. Full ranking by % of portfolio shown in the table below.

How many hedge funds hold STX?

1 of HoldLens's tracked superinvestors hold STX according to the latest SEC 13F filings. The sum of conviction across those holders is 6% (sum of each manager's % of portfolio in STX).

Who is the biggest hedge-fund holder of STX?

Among HoldLens's tracked superinvestors, Jeffrey Ubben holds the largest STX position at 6.3% of portfolio. Storage — multi-year hold.

What sector is STX?

Seagate Technology (STX) is classified as Other. Smart-money activity, insider trades (SEC Form 4), buybacks, short interest, congressional trades, and ETF ownership for STX are all aggregated on this page.

Data sourced from SEC 13F filings. STX ownership reflects publicly disclosed long positions only. Not investment advice.