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 |
|---|---|---|---|---|---|---|
| CANNON MICHAEL R | Director | SELL | $1M+ | 24K | $119.00 | Jun 6, 2025 |
| Teh Ban Seng | EVP & Chief Commer… | SELL | $1M+ | 75K | $124.24 | Jun 5, 2025 |
| Teh Ban Seng | EVP & Chief Commer… | EXERCISE | $1M+ | 66K | $74.48 | Jun 5, 2025 |
| Conyers Yolanda Lee | Director | SELL | $50K–$100K | 750 | $117.01 | Jun 4, 2025 |
| MOSLEY WILLIAM D | CEO | EXERCISE | $1M+ | 50K | $54.78 | Jun 4, 2025 |
| MOSLEY WILLIAM D | CEO | SELL | $1M+ | 70K | $119.87 | Jun 4, 2025 |
| Romano Gianluca | EVP & CFO | EXERCISE | $1M+ | 27K | $87.34 | May 30, 2025 |
| Romano Gianluca | EVP & CFO | SELL | $1M+ | 52K | $117.45 | May 30, 2025 |
| Teh Ban Seng | EVP & Chief Commer… | SELL | $100K–$500K | 4K | $115.00 | May 28, 2025 |
| BRUNER JUDY | Director | SELL | $1M+ | 10K | $108.71 | May 23, 2025 |
| Chong Kian Fatt | SVP | SELL | $500K+ | 6K | $111.26 | May 23, 2025 |
| MOSLEY WILLIAM D | CEO | SELL | $1M+ | 70K | $109.47 | May 23, 2025 |
| MOSLEY WILLIAM D | CEO | SELL | $1M+ | 20K | $84.56 | Apr 2, 2025 |
| MOSLEY WILLIAM D | CEO | SELL | $1M+ | 20K | $86.65 | Jan 6, 2025 |
| MOSLEY WILLIAM D | CEO | SELL | $1M+ | 20K | $102.83 | Dec 4, 2024 |
| Conyers Yolanda Lee | Director | SELL | $50K–$100K | 750 | $101.82 | Dec 4, 2024 |
| Romano Gianluca | EVP & CFO | SELL | $1M+ | 69K | $101.43 | Nov 26, 2024 |
| Romano Gianluca | EVP & CFO | EXERCISE | $1M+ | 47K | $64.89 | Nov 26, 2024 |
| Chong Kian Fatt | SVP | SELL | $500K+ | 9K | $105.50 | Nov 12, 2024 |
| MOSLEY WILLIAM D | CEO | SELL | $1M+ | 20K | $99.53 | Nov 4, 2024 |
| Geldmacher Jay L | Director | SELL | $100K–$500K | 4K | $103.30 | Oct 24, 2024 |
| Morris John Christopher | SVP & CTO | EXERCISE | N/A | 4K | — | Oct 22, 2024 |
| Morris John Christopher | SVP & CTO | SELL | $100K–$500K | 1K | $111.90 | Oct 22, 2024 |
| MOSLEY WILLIAM D | CEO | SELL | $1M+ | 20K | $107.68 | Oct 2, 2024 |
| Teh Ban Seng | EVP & Chief Commer… | SELL | $500K+ | 5K | $110.00 | Sep 27, 2024 |
| MOSLEY WILLIAM D | CEO | SELL | $1M+ | 142K | $110.18 | Sep 27, 2024 |
| MOSLEY WILLIAM D | CEO | EXERCISE | $1M+ | 142K | $50.29 | Sep 27, 2024 |
| Morris John Christopher | SVP | SELL | $500K+ | 6K | $99.99 | Jun 13, 2024 |
| Teh Ban Seng | EVP & Chief Commer… | SELL | $1M+ | 11K | $100.00 | Jun 13, 2024 |
| Romano Gianluca | EVP & CFO | EXERCISE | N/A | 14K | — | Feb 23, 2024 |
| Romano Gianluca | EVP & CFO | SELL | $100K–$500K | 6K | $88.02 | Feb 23, 2024 |
| Geldmacher Jay L | Director | SELL | $100K–$500K | 5K | $87.00 | Feb 9, 2024 |
| Romano Gianluca | EVP & CFO | SELL | $1M+ | 62K | $79.02 | Nov 30, 2023 |
| Romano Gianluca | EVP & CFO | EXERCISE | $1M+ | 62K | $48.42 | Nov 30, 2023 |
| Teh Ban Seng | EVP & Chief Commer… | SELL | $100K–$500K | 5K | $75.00 | Nov 16, 2023 |
| Romano Gianluca | EVP & CFO | SELL | $1M+ | 17K | $73.34 | Nov 6, 2023 |
| ZANDER EDWARD J | Director | SELL | $50K–$100K | 1K | $65.25 | Oct 24, 2023 |
| ZANDER EDWARD J | Director | EXERCISE | N/A | 4K | — | Oct 24, 2023 |
| SCHUELKE KATHERINE | SVP | SELL | $100K–$500K | 2K | $64.39 | Sep 19, 2023 |
| SCHUELKE KATHERINE | SVP | SELL | $100K–$500K | 8K | $63.10 | Sep 15, 2023 |
| MOSLEY WILLIAM D | CEO | SELL | $1M+ | 299K | $71.17 | Sep 5, 2023 |
| MOSLEY WILLIAM D | CEO | EXERCISE | $1M+ | 299K | $34.37 | Sep 5, 2023 |
| SCHUELKE KATHERINE | SVP | SELL | $100K–$500K | 3K | $62.09 | May 26, 2023 |
| Nygaard Jeffrey D. | EVP | SELL | $1M+ | 37K | $69.14 | Feb 3, 2023 |
| Nygaard Jeffrey D. | EVP | EXERCISE | $1M+ | 37K | $37.72 | Feb 3, 2023 |
| LUCZO STEPHEN J | Director | SELL | $1M+ | 50K | $103.26 | Mar 8, 2022 |
| Romano Gianluca | EVP & CFO | SELL | $1M+ | 20K | $107.36 | Feb 24, 2022 |
| Romano Gianluca | EVP & CFO | EXERCISE | $500K+ | 20K | $47.89 | Feb 24, 2022 |
| ValueAct Holdings, L.P. | Director | SELL | $1M+ | 2.0M | $108.02 | Feb 23, 2022 |
| Geldmacher Jay L | Director | SELL | $100K–$500K | 4K | $107.50 | Feb 1, 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