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Seagate Technology Holdings plc
STX·Nasdaq·
Singapore·USD
Singapore·USD$805.63
-81.46 (-9.18%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
STX
Seagate Technology Holdings plc · Nasdaq
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
STXS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
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Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair
Congressional Trades
Recent trades of STX by members of U.S. Congress · 52 on record · 10 in the last 12 months
Whale Activity
Position changes in STX reported for 2026-09-30 by 1 tracked institutional filer
- Increased0
- New0
- Held0
- Decreased0
- Closed0
- No prior filing1
| Filer | Shares | Value | Change |
|---|---|---|---|
| EASTERN BANK | 73.8K | $68.1M | — |
KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.
Insider Trading
Net shares bought (+) or sold (−) on the open market by STX insiders, by quarter · Form 4
Recent Insider Transactions
5,032 transactions on record · newest first
| Insider | Type | Shares | Price | Value | Date | |
|---|---|---|---|---|---|---|
| MOSLEY WILLIAM DCEO · Director | Sale | −962 | $945.97 | $910K | Oct 1, 2026 | Form 4 ↗ |
| MOSLEY WILLIAM DCEO · Director | Sale | −855 | $930.03 | $795K | Oct 1, 2026 | Form 4 ↗ |
| MOSLEY WILLIAM DCEO · Director | Sale | −840 | $933.28 | $784K | Oct 1, 2026 | Form 4 ↗ |
| MOSLEY WILLIAM DCEO · Director | Sale | −822 | $934.35 | $768K | Oct 1, 2026 | Form 4 ↗ |
| MOSLEY WILLIAM DCEO · Director | Sale | −80 | $940.20 | $75K | Oct 1, 2026 | Form 4 ↗ |
| MOSLEY WILLIAM DCEO · Director | Sale | −759 | $936.43 | $711K | Oct 1, 2026 | Form 4 ↗ |
| MOSLEY WILLIAM DCEO · Director | Sale | −720 | $939.27 | $676K | Oct 1, 2026 | Form 4 ↗ |
| MOSLEY WILLIAM DCEO · Director | Sale | −640 | $938.32 | $601K | Oct 1, 2026 | Form 4 ↗ |
| MOSLEY WILLIAM DCEO · Director | Sale | −640 | $935.15 | $598K | Oct 1, 2026 | Form 4 ↗ |
| MOSLEY WILLIAM DCEO · Director | Sale | −579 | $937.33 | $543K | Oct 1, 2026 | Form 4 ↗ |
| MOSLEY WILLIAM DCEO · Director | Sale | −440 | $944.81 | $416K | Oct 1, 2026 | Form 4 ↗ |
| MOSLEY WILLIAM DCEO · Director | Sale | −40 | $941.22 | $38K | Oct 1, 2026 | Form 4 ↗ |
| MOSLEY WILLIAM DCEO · Director | Sale | −360 | $929.01 | $334K | Oct 1, 2026 | Form 4 ↗ |
| MOSLEY WILLIAM DCEO · Director | Sale | −280 | $943.21 | $264K | Oct 1, 2026 | Form 4 ↗ |
| MOSLEY WILLIAM DCEO · Director | Sale | −1,665 | $930.99 | $1.6M | Oct 1, 2026 | Form 4 ↗ |
| MOSLEY WILLIAM DCEO · Director | Sale | −1,320 | $932.04 | $1.2M | Oct 1, 2026 | Form 4 ↗ |
| MOSLEY WILLIAM DCEO · Director | Sale | −960 | $915.01 | $878K | Oct 1, 2026 | Form 4 ↗ |
| MOSLEY WILLIAM DCEO · Director | Sale | −930 | $921.63 | $857K | Oct 1, 2026 | Form 4 ↗ |
| MOSLEY WILLIAM DCEO · Director | Sale | −920 | $918.49 | $845K | Oct 1, 2026 | Form 4 ↗ |
| MOSLEY WILLIAM DCEO · Director | Sale | −904 | $913.94 | $826K | Oct 1, 2026 | Form 4 ↗ |
Fund Holders
Mutual funds and ETFs holding STX · SEC Form N-PORT
| Fund | Shares | Value | % of fund | As of |
|---|---|---|---|---|
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 7.1M | $6.87B | 0.30% | Jun 30, 2026 |
| VANGUARD 500 INDEX FUND VANGUARD INDEX FUNDS | 5.8M | $5.61B | 0.34% | Jun 30, 2026 |
| Invesco QQQ Trust, Series 1 | 4.8M | $4.59B | 0.94% | Jun 30, 2026 |
| VANGUARD MID-CAP INDEX FUND VANGUARD INDEX FUNDS | 2.4M | $2.34B | 1.05% | Jun 30, 2026 |
| VANGUARD GROWTH INDEX FUND VANGUARD INDEX FUNDS | 2.4M | $2.31B | 0.61% | Jun 30, 2026 |
| VANGUARD INFORMATION TECHNOLOGY INDEX FUND VANGUARD WORLD FUND | 1.6M | $1.38B | 0.80% | May 31, 2026 |
| WCM Focused International Growth Fund INVESTMENT MANAGERS SERIES TRUST | 1.4M | $1.32B | 5.85% | Jun 30, 2026 |
| VANGUARD INSTITUTIONAL INDEX FUND VANGUARD INSTITUTIONAL INDEX FUNDS | 1.2M | $1.17B | 0.34% | Jun 30, 2026 |
| VANGUARD MID-CAP GROWTH INDEX FUND VANGUARD INDEX FUNDS | 859.4K | $829.3M | 2.38% | Jun 30, 2026 |
| Invesco NASDAQ 100 ETF Invesco Exchange-Traded Fund Trust II | 926.5K | $815.1M | 0.84% | May 31, 2026 |
Mutual funds and ETFs whose N-PORT filings list STX's shares (CUSIP G7997R103), each fund at its latest report since Mar 7, 2026, largest positions first. Bonds, options and short positions are left out.
Activist & Passive Stakes
Schedule 13D / 13G beneficial-ownership filings
- Lewis A. SandersSCHEDULE 13G/A · passive (13G) · 3.5M shares1.6%
Aug 5, 2026 · ↗ - Sanders Capital, LLCSCHEDULE 13G/A · passive (13G) · 3.5M shares1.6%
Aug 5, 2026 · ↗ - Vanguard Portfolio ManagementSCHEDULE 13G/A · passive (13G) · 8.0M shares3.6%
Jul 31, 2026 · ↗ - JPMORGAN CHASE & CO.SCHEDULE 13G/A · passive (13G) · 17.9M shares8.4%
Jul 22, 2025 · ↗ - JPMORGAN CHASE & CO.SCHEDULE 13G/A · passive (13G) · 18.9M shares8.9%
Apr 22, 2025 · ↗ - JPMORGAN CHASE & CO.SCHEDULE 13G/A · passive (13G) · 16.8M shares7.9%
Feb 12, 2025 · ↗
Corporate Lobbying
Estimated quarterly lobbying spending reported under the LDA, filings naming seagate technology as client
- BROWNSTEIN HYATT FARBER SCHRECK, LLPSEAGATE TECHNOLOGY LLC · 2026 Q2 · TRD$80K
Filing ↗ - BROWNSTEIN HYATT FARBER SCHRECK, LLPSEAGATE TECHNOLOGY LLC · 2026 Q1 · TRD$80K
Filing ↗ - BROWNSTEIN HYATT FARBER SCHRECK, LLPSEAGATE TECHNOLOGY LLC · 2025 Q4 · TRD$80K
Filing ↗ - BROWNSTEIN HYATT FARBER SCHRECK, LLPSEAGATE TECHNOLOGY LLC · 2025 Q3 · TRD$80K
Filing ↗ - BROWNSTEIN HYATT FARBER SCHRECK, LLPSEAGATE TECHNOLOGY LLC · 2025 Q2 · TRD$80K
Filing ↗
Government Contracts
Federal awards to Seagate Technology Holdings plc · USAspending
No federal contract awards found for Seagate Technology Holdings plc.
U.S. Patents
Recent USPTO applications naming Seagate Technology Holdings plc
No USPTO patent applications found for Seagate Technology Holdings plc.
Annual Financials
From STX's 10-K filings · XBRL
No annual XBRL figures on record for STX. KeyVex's fundamentals cover about 130 large companies so far.
Stock Splits
Every split and reverse split in the price history
No stock splits in STX's price history.
Material Events (8-K)
Corporate events filed with the SEC
- 8-K · Items 3.02, 7.01, 8.01, 9.01Unregistered sale of equity · Reg FD disclosure · Other eventsSep 9, 2026
EDGAR ↗ - 8-K · Items 5.02Officer / director changeSep 4, 2026
EDGAR ↗ - 8-K · Items 2.02, 7.01, 9.01Results of operations · Reg FD disclosureJul 28, 2026
EDGAR ↗ - 8-K · Items 7.01, 8.01, 9.01Reg FD disclosure · Other eventsJun 12, 2026
EDGAR ↗ - 8-K · Items 3.02, 7.01, 8.01, 9.01Unregistered sale of equity · Reg FD disclosure · Other eventsMay 28, 2026
EDGAR ↗ - 8-K · Items 3.02, 7.01, 8.01, 9.01Unregistered sale of equity · Reg FD disclosure · Other eventsMay 21, 2026
EDGAR ↗ - 8-K · Items 5.02, 9.01Officer / director changeMay 6, 2026
EDGAR ↗
About Seagate Technology Holdings plc
From SEC EDGAR company records
General Seagate is a leading provider of mass-capacity data storage, accelerating the world’s ability to harness the full value of data. For nearly 50 years, our portfolio of advanced storage solutions has helped hyperscale, cloud service providers (“CSPs”), enterprises and consumers protect, create and manage the data that powers their transformation and growth. Hard disk drives (“HDDs”) remain a foundational technology for delivering scalable, energy-efficient, mass-capacity storage with favorable storage economics that underpins modern digital infrastructure. Our vertically integrated engineering and manufacturing capabilities, together with continued investment in advanced storage techno…
Industry (SIC 3572)Computer Storage Devices
SectorTechnology
HeadquartersSINGAPORE, Singapore
SEC CIK0001137789 ↗
Former namesSeagate Technology plc, SEAGATE TECHNOLOGY, Seagate Technology