Security key
G7945M107
- Security type / class
- Equity / COM
- Total 13F shares
- 561,150
- Total 13F value
- $215,743,132
- Share change
- -8,038
- SEC-reported price per share
- $391.76
- Number of holders
- 7
- Value change
- -$2,400,214
- Number of buys
- 4
- Number of sells
- 4
Report period
Q1 2026
Institutions
7
Top holders
7
STX full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
Seagate Technology Holdings plc SEC filings
Seagate Technology Holdings plc company facts
Broader feeds
Reporting periods
Holder history for CUSIP G7945M107
Recent filing periods:
Ownership snapshot
Top reported holders of STX - SEAGATE TECHNOLOGIES - COM (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
VANGUARD CAPITAL MANAGEME...
Disclosed value leader
VANGUARD GROUP INC
Comparable rows
15/15
Latest evidence
31 Mar 2026
13D/G
13F
3/4/5
Lead comparable stake: 7.5%
13D/G row: VANGUARD CAPITAL MANAGEMENT LLC
Showing 1-6 of 15 holder rows.
Quick read
VANGUARD CAPITAL MANAGEMENT LLC leads the comparable SEC ownership view at 7.5%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens VANGUARD CAPITAL MANAGEMENT LLC's linked filing trail.
Comparable ownership
Top 5
VANGUARD CAPITAL MANAGEMENT LLC
7.5%
BlackRock, Inc.
6.1%
Sanders Capital, LLC
6%
JPMORGAN CHASE & CO
4%
Capital Research Global Investors
3.4%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
Vanguard Capital Management
|
7.5%
|
$6,393,061,707
16,318,822 shares
|
$0 | 31 Mar 2026 |
| BlackRock, Inc. |
13F
13D/G
Company
|
6.1%
from 13D/G
|
$4,438,440,190
16,116,926 shares
|
— | 31 Dec 2025 |
| Sanders Capital, LLC |
13D/G
13F
Company
|
6%
|
$5,106,700,638
13,035,275 shares
|
-$2,298,601,850 | 31 Mar 2026 |
| JPMORGAN CHASE & CO |
13D/G
13F
Company
|
4%
|
$2,043,010,541
8,654,624 shares
|
-$783,578,980 | 31 Oct 2025 |
| Capital Research Global Investors |
13F
13D/G
Company
|
3.4%
from 13D/G
|
$1,242,556,651
4,511,989 shares
|
— | 31 Dec 2025 |
| Judy Bruner |
3/4/5
Director
|
0.01%
|
$3,226,375
14,314 shares
|
— | 19 Oct 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
7
Shares
561,150
Rows available
7
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2026 vs Q1 2026 Across Filers
Q1 2026 holders
7
Q1 2026 holders
7
Holder diff
0
| Investor | Q1 2026 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q1 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend