Stock profile

Seagate Technology Holdings plc (STX)

STX · Latest close — as of Oct 2, 2026 · 13F data as of Jun 30, 2026 (2026 Q2)
Latest close
Data unavailable
No price in range
Tracked funds holding
3 of 83
2026 Q2 13F filings
Opened / added
3 / 0
vs previous quarter
Trimmed / exited
0
vs previous quarter

Super-investor holdings · 2026 Q2

FundPortfolio weightSharesChange vs prev. quarter
Lone Pine Capital5.90%1,000,109NEW
Tiger Global Management1.15%285,100NEW
Maverick Capital0.01%1,210NEW

Source: SEC Form 13F filings for the quarter ended Jun 30, 2026. Change labels compare each fund’s 2026 Q2 filing with its previous filing. 13F filings cover long positions only and arrive up to 45 days after quarter-end.

All institutions · Form 13F

Institutions holding1,953 of 8,857 filers
Long-only filers among them1,941
Change vs 2026 Q1+518 net · 1,642 entered · 1,124 exited
Shares reported, all filers186,268,493
Reported value, all filers$197.3B

Source: SEC Form 13F data sets — every filer's latest report for the quarter ended Jun 30, 2026, not just the tracked funds above; changes compare with the quarter ended Mar 31, 2026. Share counts and values are summed as reported in the filings (a small number of filers report values in thousands of dollars, so value totals are as-filed sums).

Insider trading · Form 4

Data unavailable — no Form 4 transactions for this ticker were parsed in the 90 days to Oct 3, 2026.

Politician trading · U.S. Congress

Data unavailable — no congressional STOCK Act transactions for this ticker were parsed in the current window (as of Oct 3, 2026).

Screens & lenses

This stock does not currently pass any tracked screen.

Signal record

13F signal (2021 Q3 – 2026 Q1)EventsWin rateAvg returnSPYExcess
Share count tripled (3x)1100.0%+15.0%+1.9%+13.1%

Measured from SEC 13F filings: entry at the close on the first trading day after each quarter’s filing deadline, exit one quarter later on the same rule, dividend-adjusted closes. Past records do not guarantee future results — see Track Record and Methodology.

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