Seagate Technology Holdings plc
STX- Exchange
- Nasdaq
- Industry
- Computer Storage Devices
- SEC CIK
- 0001137789
In the last 90 days, Seagate Technology Holdings plc insiders filed 0 open-market purchases and 34 sales; 1,973 institutions reported holding it in 13F filings for Q2 2026, worth $181.1B in total; 5 superinvestors hold it, including Lone Pine Capital and Tiger Global Management.
Holders of 5% or more of STX
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Seagate Technology Holdings plc, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Sanders Capital, LLC | 13G/A | 8.93%18.9M shares | – | May 14, 20251 filing | May 14, 2025 | SEC |
| BlackRock, Inc. | 13G/A | 6.10%13.0M shares | – | Apr 23, 20251 filing | Apr 23, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
12 Schedule 13D and 13G filings on Seagate Technology Holdings plc, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Mar 27, 20261:01 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | −13.22 ppfrom 13.22%Below 5% | Mar 13, 2026 | SEC |
| Nov 4, 202510:48 AM ET | JPMorgan Chase & Co | 13G/A | 4.00%8.65M shares | −1.60 ppfrom 5.60%Below 5% | Oct 31, 2025 | SEC |
| Oct 31, 20259:48 AM ET | JPMorgan Chase & Co | 13G/A | 5.60%12.0M shares | −2.80 ppfrom 8.40% | Sep 30, 2025 | SEC |
| Aug 13, 202511:37 AM ET | Capital Research Global Investors | 13G/A | 3.40%7.29M shares | −4.00 ppfrom 7.40%Below 5% | Jun 30, 2025 | SEC |
| Jul 22, 20251:51 PM ET | JPMorgan Chase & Co | 13G/A | 8.40%17.9M shares | −1.70 ppfrom 10.10% | Jun 30, 2025 | SEC |
| May 14, 20255:33 PM ET | Sanders Capital, LLCand 1 other | 13G/A | 8.93%18.9M shares | – | Mar 31, 2025 | SEC |
| May 5, 20252:03 PM ET | JPMorgan Chase & Co | 13G/A | 10.10%21.6M shares | +1.20 ppfrom 8.90% | Apr 30, 2025 | SEC |
| Apr 23, 20258:00 PM ET | BlackRock, Inc. | 13G/A | 6.10%13.0M shares | – | Mar 31, 2025 | SEC |
| Apr 22, 202512:01 PM ET | JPMorgan Chase & Co | 13G/A | 8.90%18.9M shares | +1.00 ppfrom 7.90% | Mar 31, 2025 | SEC |
| Feb 13, 20252:14 PM ET | Capital Research Global Investors | 13G | 7.40%15.6M shares | New | Dec 31, 2024 | SEC |
| Feb 12, 20253:07 PM ET | JPMorgan Chase & Co | 13G/A | 7.90%16.8M shares | – | Dec 31, 2024 | SEC |
| Jan 31, 20259:54 AM ET | Vanguard Group Inc | 13G/A | 13.22%28.0M shares | – | Dec 31, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Seagate Technology Holdings plc shares.
No Form 144 notices for Seagate Technology Holdings plc are on file.