§ TECHNOLOGY
USD · Technology

STX

SEAGATE TECHNOLOGY HOLDINGS
USDSector · TechnologyMarket cap · $93.6BBeta · 1.61
LAST · MARKET CLOSE · OCT 05
896.00
+47.01 ▲ 5.54%PREV CLOSE · $848.99
§ 01 · PRICE
Price action
1D5D1M6MYTD1YMAX
OPEN 867.50HIGH 903.00LOW 867.5052W 63.19 — 459.84
EVENTSOCT 02 · MWD SELLJUN 30 · EARNINGS +11.1%

§ 03 · SIGNAL STACK · WHAT THE INPUTS SAY

13F FLOW
1214 increased/new, 609 decreased/exited (13F)
AC 13F Analysis
INSIDER
−$139M
20 txns · 90d

§ 04 · FUNDAMENTALS · THE BOOKS

P/E47.5P/B136.18
EPS (TTM)8.85Dividend0.78%
§ 05 · WHO OWNS IT
Top institutional holders
All holders →
FundShares% portΔ Q/Q
BlackRock, Inc.14.3M0.1%−11%
VANGUARD CAPITAL MANAGEMENT LLC14.2Mn/an/a
Sanders Capital, LLC12.9M6.0%−25%
VANGUARD PORTFOLIO MANAGEMENT LLC11.1Mn/an/a
State Street9.3M0.1%−1%
Fidelity Management8.2M0.2%+117%
◇ AC INTELLIGENCE

Top institutional owners for STX as of the most recent 13F reporting period (Q1 2026 · Period ended Mar 31). Δ Q/Q reflects share-count change vs. the prior filing — positive green means adding, negative red means trimming. Cross-reference with the ownership-mix bars below to see which strategy cohort is driving the flow.

§ 06 · WHO OWNS IT · BY STRATEGY

OTHER2.3% · 0 holders
OTHER36.6% · 1,231 holders
DEALER / BANK20.6% · 89 holders
QUALITY / COMPOUNDER16.2% · 44 holders
PASSIVE / INDEX11.8% · 14 holders
DEEP VALUE5.8% · 3 holders
TACTICAL / MACRO2.2% · 6 holders
INCOME / DEFENSIVE1.9% · 46 holders
SYSTEMATIC / QUANT1.7% · 21 holders
ACTIVIST0.8% · 1 holder
GROWTH / MOMENTUM0.0% · 1 holder
◇ AC INTELLIGENCE

Ownership mix by behavioral cohort. Top bars indicate which style of capital dominates the float — passive indexing, quality compounders, dealer/bank, systematic quant, etc. Big quality-compounder share means concentrated active conviction; heavy passive share means flows are dictated by index rebalances, not fundamentals.

§ 07 · INSIDER ACTIVITY · LAST 180 DAYS

DateInsiderActionShares$ value
OCT 02MOSLEY WILLIAM DSELL962−$910K
SEP 22Morris John ChristopherSELL40−$36K
SEP 16MOSLEY WILLIAM DSELL98K−$76M
SEP 16Romano GianlucaSELL50K−$39M
SEP 16Teh Ban SengSELL2K−$2M
SEP 16Morris John ChristopherSELL15K−$12M
◇ AC INTELLIGENCE

0 insider buys, 20 sells in the last 180 days. Scheduled 10b5-1 sales are pre-programmed and neutral; discretionary clusters are the tape worth reading. Cross-reference with the signal stack above for context.

§ 08 · COVERAGE · OUR RECENT NOTES

No notes mention STX yet.