Security key
G7997R103
Seagate Technology Holdings plc - Common Stock (STX)
CUSIP: G7997R103
Q1 2026 13F Holders as of 31 Mar 2026
- Type / Class
- Equity / Common Stock
- Shares outstanding
- 218,166,070
- Total 13F shares
- 184,593,245
- Share change
- -3,377,982
- Total reported value
- $71,967,386,779
- Put/Call ratio
- 241%
- Price per share
- $391.76
- Number of holders
- 1,422
- Value change
- -$885,953,809
- Number of buys
- 755
- Number of sells
- 581
Report period
Q1 2026
Institutions
1,422
Top holders
10
STX full security history
Previous quarter: Q4 2025
Seagate Technology Holdings plc SEC filings
Seagate Technology Holdings plc company facts
Broader feeds
Reporting periods
Holder history for CUSIP G7997R103
Recent filing periods:
Top shareholders of STX - Seagate Technology Holdings plc - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: 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.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
|
Vanguard Capital Management |
7.5%
|
16,318,822
|
$6,393,061,707 | $0 | 31 Mar 2026 | |
| BlackRock, Inc. |
13F
13D/G
|
Company |
6.1%
from 13D/G
|
16,116,926
|
$4,438,440,190 | — | 31 Dec 2025 | |
| Sanders Capital, LLC |
13D/G
13F
|
Company |
6%
|
13,035,275
|
$5,106,700,638 | -$2,298,601,850 | 31 Mar 2026 | |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13D/G
|
Vanguard Portfolio Management |
5.1%
|
11,094,908
|
$4,346,541,158 | $0 | 31 Mar 2026 | |
| JPMORGAN CHASE & CO |
13D/G
13F
|
Company |
4%
|
8,654,624
|
$2,043,010,541 | -$783,578,980 | 31 Oct 2025 | |
| Capital Research Global Investors |
13F
13D/G
|
Company |
3.4%
from 13D/G
|
4,511,989
|
$1,242,556,651 | — | 31 Dec 2025 | |
| Judy Bruner |
3/4/5
|
Director |
0.01%
|
14,314
|
$3,226,375 | — | 19 Oct 2025 | |
| Thomas A. Szlosek |
3/4/5
|
Director |
0%
|
357
|
$83,580 | — | 25 Oct 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
13%
|
28,119,431
|
$7,743,810,104 | — | 31 Dec 2025 | |
| STATE STREET CORP |
13F
|
Company |
4.3%
|
9,370,805
|
$2,587,534,836 | — | 31 Dec 2025 | |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main |
13F
|
Company |
2.5%
|
5,416,242
|
$1,491,578,884 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
2.4%
|
5,317,516
|
$1,464,391,492 | — | 31 Dec 2025 | |
| WCM INVESTMENT MANAGEMENT, LLC |
13F
|
Company |
2.4%
|
5,154,872
|
$1,443,776,642 | — | 31 Dec 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.2%
|
4,896,815
|
$1,343,682,936 | — | 31 Dec 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
2%
|
4,280,605
|
$1,178,836,003 | — | 31 Dec 2025 | |
| FRANKLIN RESOURCES INC |
13F
|
Company |
1.8%
|
4,026,126
|
$1,108,754,931 | — | 31 Dec 2025 | |
| FMR LLC |
13F
|
Company |
1.7%
|
3,759,659
|
$1,035,372,166 | — | 31 Dec 2025 | |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP |
13F
|
Company |
1.5%
|
3,193,063
|
$879,337,620 | — | 31 Dec 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
1.3%
|
2,755,671
|
$758,884,218 | — | 31 Dec 2025 | |
| Invesco Ltd. |
13F
|
Company |
1.2%
|
2,558,925
|
$704,702,348 | — | 31 Dec 2025 | |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ |
13F
|
Company |
0.92%
|
2,008,516
|
$553,125,222 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.87%
|
1,900,632
|
$523,415,048 | — | 31 Dec 2025 | |
| NORGES BANK |
13F
|
Company |
0.83%
|
1,809,661
|
$498,362,543 | — | 31 Dec 2025 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
0.73%
|
1,599,962
|
$440,613,535 | — | 31 Dec 2025 | |
| Legal & General Group Plc |
13F
|
Company |
0.7%
|
1,524,131
|
$419,730,430 | — | 31 Dec 2025 | |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC |
13F
|
Company |
0.68%
|
1,480,324
|
$407,666,428 | — | 31 Dec 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.63%
|
1,377,792
|
$379,430,139 | — | 31 Dec 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.57%
|
1,241,951
|
$342,020,930 | — | 31 Dec 2025 | |
| Polar Capital Holdings Plc |
13F
|
Company |
0.56%
|
1,229,410
|
$338,567,220 | — | 31 Dec 2025 | |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
|
Company |
0.53%
|
1,163,201
|
$320,335,000 | — | 31 Dec 2025 | |
| ROYAL BANK OF CANADA |
13F
|
Company |
0.47%
|
1,034,384
|
$284,860,000 | — | 31 Dec 2025 | |
| National Pension Service |
13F
|
Company |
0.46%
|
997,223
|
$274,625,242 | — | 31 Dec 2025 | |
| Russell Investments Group, Ltd. |
13F
|
Company |
0.44%
|
956,707
|
$263,819,827 | — | 31 Dec 2025 | |
| CANADA PENSION PLAN INVESTMENT BOARD |
13F
|
Company |
0.42%
|
909,394
|
$250,438,014 | — | 31 Dec 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
0.41%
|
899,066
|
$247,637,420 | — | 31 Dec 2025 | |
| AQR CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.39%
|
852,472
|
$234,762,314 | — | 31 Dec 2025 | |
| BNP PARIBAS FINANCIAL MARKETS |
13F
|
Company |
0.38%
|
821,811
|
$226,318,531 | — | 31 Dec 2025 | |
| Castle Hook Partners LP |
13F
|
Company |
0.37%
|
802,414
|
$220,976,792 | — | 31 Dec 2025 | |
| D. E. Shaw & Co., Inc. |
13F
|
Company |
0.37%
|
796,472
|
$219,340,424 | — | 31 Dec 2025 | |
| BANK OF MONTREAL /CAN/ |
13F
|
Company |
0.36%
|
794,043
|
$218,671,502 | — | 31 Dec 2025 | |
| Nuveen, LLC |
13F
|
Company |
0.36%
|
780,601
|
$214,969,589 | — | 31 Dec 2025 | |
| BARCLAYS PLC |
13F
|
Company |
0.36%
|
779,811
|
$214,752,151 | — | 31 Dec 2025 | |
| Holocene Advisors, LP |
13F
|
Company |
0.35%
|
759,114
|
$209,052,404 | — | 31 Dec 2025 | |
| Atalan Capital Partners, LP |
13F
|
Company |
0.34%
|
746,600
|
$205,606,174 | — | 31 Dec 2025 | |
| Amundi |
13F
|
Individual |
0.33%
|
730,206
|
$201,089,399 | — | 31 Dec 2025 | |
| Egerton Capital (UK) LLP |
13F
|
Company |
0.33%
|
729,325
|
$200,848,812 | — | 31 Dec 2025 | |
| ACADIAN ASSET MANAGEMENT LLC |
13F
|
Company |
0.31%
|
670,900
|
$184,728,000 | — | 31 Dec 2025 | |
| Maple Rock Capital Partners Inc. |
13F
|
Company |
0.31%
|
665,852
|
$183,368,982 | — | 31 Dec 2025 | |
| KBC Group NV |
13F
|
Company |
0.29%
|
638,613
|
$175,868,000 | — | 31 Dec 2025 | |
| Boston Partners |
13F
|
Company |
0.28%
|
610,811
|
$168,280,057 | — | 31 Dec 2025 |
Institutional Holders of Seagate Technology Holdings plc - Common Stock (STX) as of Q1 2026
As of 31 Mar 2026,
Seagate Technology Holdings plc - Common Stock (STX) was held by
1,422 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
184,593,245 shares.
The largest 10 holders included
BlackRock, Inc., VANGUARD CAPITAL MANAGEMENT LLC, Sanders Capital, LLC, VANGUARD PORTFOLIO MANAGEMENT LLC, STATE STREET CORP, FMR LLC, JPMORGAN CHASE & CO, Capital Research Global Investors, GEODE CAPITAL MANAGEMENT, LLC, and MORGAN STANLEY.
This page lists
1,422
institutional shareholders reporting positions in this security
for the Q1 2026 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q1 2026 vs Q4 2025 Across Filers
Q4 2025 holders
1,256
Q1 2026 holders
1,422
Holder diff
166
| Investor | Q4 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q4 2025 Value $ | Q1 2026 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.