Security key
G7945M107
- Security type / class
- Equity / COM
- Total 13F shares
- 2,680,376
- Total 13F value
- $302,833,000
- Share change
- +587,081
- SEC-reported price per share
- $112.98
- Number of holders
- 11
- Value change
- +$67,177,100
- Number of buys
- 3
- Number of sells
- 7
Report period
Q4 2021
Institutions
11
Top holders
10
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 GROUP INC
Disclosed value leader
VANGUARD GROUP INC
Comparable rows
0/15
Latest evidence
30 Sep 2021
13F
Highest disclosed value: $2,024,233,000
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
VANGUARD GROUP INC has the largest disclosed position value at $2.02B.
0 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 GROUP INC's linked filing trail.
Disclosed position value
Top 5
VANGUARD GROUP INC
$2.02B
ValueAct Holdings, L.P.
$1.43B
BlackRock Finance, Inc.
$1.32B
JPMORGAN CHASE & CO
$1.1B
Clearbridge Investments, LLC
$846.09M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| VANGUARD GROUP INC |
13F
Company
|
—
denominator unverified
|
$2,024,233,000
24,530,214 shares
|
— | 30 Sep 2021 |
| ValueAct Holdings, L.P. |
13F
Company
|
—
denominator unverified
|
$1,433,956,000
17,377,070 shares
|
— | 30 Sep 2021 |
| BlackRock Finance, Inc. |
13F
Company
|
—
denominator unverified
|
$1,318,711,000
15,980,483 shares
|
— | 30 Sep 2021 |
| JPMORGAN CHASE & CO |
13F
Company
|
—
denominator unverified
|
$1,095,922,000
13,280,676 shares
|
— | 30 Sep 2021 |
| Clearbridge Investments, LLC |
13F
Company
|
—
denominator unverified
|
$846,086,000
10,253,106 shares
|
— | 30 Sep 2021 |
| STATE STREET CORP |
13F
Company
|
—
denominator unverified
|
$759,998,000
9,136,717 shares
|
— | 30 Sep 2021 |
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 Q4 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
11
Shares
2,680,376
Rows available
11
| 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 Q4 2021 vs Q2 2026 Across Filers
Q2 2026 holders
8
Q4 2021 holders
11
Holder diff
3
| Investor | Q2 2026 Shares | Q4 2021 Shares | Share Diff | Share Chg % | Q2 2026 value | Q4 2021 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend