Seagate Technology Holdings plc
Total Trades
102
Buys
0
Sells
76
Largest Trade
N/A
Insiders
17
Institutional Funds
1,124
Inst. Value
$1M+
Activist Filings
22
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Nygaard Jeffrey D. | Executive Vice Pre… | SELL | $100K–$500K | 3K | $115.55 | Jan 6, 2022 |
| Nygaard Jeffrey D. | Executive Vice Pre… | EXERCISE | $100K–$500K | 3K | $36.09 | Jan 6, 2022 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 1,124 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| Sanders Capital, LLC | 17.2M | $1M+ | SH |
| STATE STREET CORP | 9.4M | $1M+ | SH |
| WCM INVESTMENT MANAGEMENT, LLC | 5.2M | $1M+ | SH |
| Capital Research Global Investors | 4.5M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 4.3M | $1M+ | SH |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 3.2M | $1M+ | SH |
| NORGES BANK | 1.8M | $1M+ | SH |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 1.6M | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.4M | $1M+ | SH |
| National Pension Service | 997K | $1M+ | SH |
| BNP PARIBAS FINANCIAL MARKETS | 822K | $1M+ | SH |
| AQR CAPITAL MANAGEMENT LLC | 805K | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 775K | $1M+ | SH |
| Egerton Capital (UK) LLP | 729K | $1M+ | SH |
| ACADIAN ASSET MANAGEMENT LLC | 671K | $1M+ | SH |
| Maple Rock Capital Partners Inc. | 666K | $1M+ | SH |
| BARCLAYS PLC | 648K | $1M+ | SH |
| LOS ANGELES CAPITAL MANAGEMENT LLC | 611K | $1M+ | SH |
| Swiss National Bank | 584K | $1M+ | SH |
| FIRST TRUST ADVISORS LP | 559K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
Capital Research Global Investors
SC 13G/A · Aug 13, 2025
3.4%
7.3M shares
SC 13G/A · Jul 22, 2025
8.4%
17.9M shares
SC 13G/A · May 14, 2025
8.9%
18.9M shares
SC 13G/A · Apr 24, 2025
6.1%
13.0M shares
SC 13G/A · Apr 22, 2025
8.9%
18.9M shares
Capital Research Global Investors
SC 13G · Feb 13, 2025
7.4%
15.6M shares
SC 13G/A · Feb 12, 2025
7.9%
16.8M shares
SC 13G/A · Jan 31, 2025
13.2%
28.0M shares
Capital Research Global Investors 95-1411037
SC 13G/A · Nov 12, 2024
4.7%
10.0M shares
SC 13G/A · Nov 12, 2024
4.1%
8.7M shares
JPMORGAN CHASE & CO. 13-2624428
SC 13G/A · Mar 7, 2024
10.3%
21.6M shares
SC 13G/A · Feb 14, 2024
7.4%
15.5M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
11.5%
24.0M shares
Capital Research Global Investors 95-1411037
SC 13G · Feb 9, 2024
7.9%
16.6M shares
JPMORGAN CHASE & CO. 13-2624428
SC 13G/A · Jan 25, 2024
8.5%
18.0M shares
JPMORGAN CHASE & CO. 13-2624428
SC 13G/A · Jan 25, 2024
8.5%
18.0M shares
ValueAct Capital Master Fund, L.P.
SC 13D/A · Sep 8, 2023
3.7%
7.7M shares
ValueAct Capital Master Fund, L.P.
SC 13D/A · Sep 1, 2023
6.5%
13.4M shares
SC 13G · Feb 17, 2023
5.3%
11.0M shares
JPMORGAN CHASE & CO. 13-2624428
SC 13G/A · Jan 27, 2023
6.9%
14.3M shares
ValueAct Capital Master Fund, L.P.
SC 13D/A · Feb 22, 2022
6.1%
13.4M shares
JPMORGAN CHASE & CO. 13-2624428
SC 13G · Jan 28, 2022
5.3%
11.8M shares