VANGUARD PORTFOLIO MANAGEMENT LLC
Position in STX — Seagate Technology Holdings plc
CIK 2100121
MALVERN, PA
Position in STX
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$7,719,696,990
+$3,373,155,832 QoQ
Shares Held
7,999,686
-27.9% QoQ
Ownership
3.53%
of shares outstanding
% of Portfolio
0.35%
of 13F equity value
Holder Rank
#5
of 1,934 holders
Holding Since
Mar 2026
2 quarters on record
Voting authority
Sole 0%
Shared 0%
None 100%
Common Shares in STX Over Time
Shares Held
Position Value (USD)
Position in Computer Hardware
Technology · as of Jun 30, 2026VANGUARD PORTFOLIO MANAGEMENT LLC holds $37,137,587,503 across 18 Computer Hardware names. STX ranks #3 (20.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | WDC |
Western Digital Corp
|
13,109,474 | $8,373,283,233 | |
| 2 | SNDK |
Sandisk Corp
|
3,515,937 | $7,994,291,435 | |
| 3 | STX |
Seagate Technology Holdings plc
This page
|
7,999,686 | $7,719,696,990 | |
| 4 | ANET |
Arista Networks, Inc.
|
25,808,745 | $4,384,389,600 | |
| 5 | DELL |
Dell Technologies Inc.
|
7,668,070 | $3,308,465,482 | |
| 6 | P |
Everpure, Inc.
|
17,024,424 | $1,341,354,366 | |
| 7 | HPQ |
Hp Inc
|
58,027,884 | $1,273,131,774 | |
| 8 | SMCI |
Super Micro Computer, Inc.
|
32,864,645 | $963,920,037 |
All Filings in STX
Export CSV
4 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $7,719,696,990 | 7,999,686 | Shares | Sole | 2026-07-31 | |
| 2026-06-30 | $7,719,696,990 | 7,999,686 | Shares | Defined | 2026-08-13 | |
| 2026-03-31 | $4,346,541,158 | 11,094,908 | Shares | Sole | 2026-04-29 | |
| 2026-03-31 | $4,346,541,158 | 11,094,908 | Shares | Defined | 2026-05-08 | |
| No filing history on record for this holder in this stock. | ||||||