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 |
|---|---|---|---|---|---|---|
| MOSLEY WILLIAM D | CEO | SELL | $1M+ | 20K | $384.76 | Mar 3, 2026 |
| Conyers Yolanda Lee | Director | SELL | $100K–$500K | 750 | $393.59 | Mar 3, 2026 |
| Morris John Christopher | EVP & CTO | SELL | $50K–$100K | 240 | $410.00 | Feb 25, 2026 |
| Chong Kian Fatt | EVP Global Operati… | EXERCISE | N/A | 4K | — | Feb 23, 2026 |
| Chong Kian Fatt | EVP Global Operati… | SELL | $1M+ | 6K | $416.48 | Feb 23, 2026 |
| MOSLEY WILLIAM D | CEO | SELL | $1M+ | 20K | $429.27 | Feb 3, 2026 |
| Geldmacher Jay L | Director | SELL | $100K–$500K | 925 | $448.02 | Feb 2, 2026 |
| Teh Ban Seng | EVP & Chief Commer… | EXERCISE | $500K+ | 9K | $101.34 | Feb 2, 2026 |
| Teh Ban Seng | EVP & Chief Commer… | SELL | $1M+ | 20K | $442.29 | Feb 2, 2026 |
| Lee James CI | EVP & CLO | SELL | $100K–$500K | 673 | $348.85 | Jan 29, 2026 |
| Teh Ban Seng | EVP & Chief Commer… | SELL | $100K–$500K | 1K | $299.31 | Jan 14, 2026 |
| Teh Ban Seng | EVP & Chief Commer… | EXERCISE | $50K–$100K | 1K | $66.02 | Jan 14, 2026 |
| MOSLEY WILLIAM D | CEO | SELL | $1M+ | 20K | $285.56 | Jan 6, 2026 |
| Morris John Christopher | EVP & CTO | SELL | $15K–$50K | 113 | $291.89 | Dec 16, 2025 |
| Teh Ban Seng | EVP & Chief Commer… | SELL | $500K+ | 2K | $295.90 | Dec 12, 2025 |
| Teh Ban Seng | EVP & Chief Commer… | EXERCISE | $50K–$100K | 2K | $38.81 | Dec 12, 2025 |
| Conyers Yolanda Lee | Director | SELL | $100K–$500K | 750 | $272.91 | Dec 2, 2025 |
| MOSLEY WILLIAM D | CEO | SELL | $1M+ | 20K | $271.03 | Dec 2, 2025 |
| Romano Gianluca | EVP & CFO | SELL | $1M+ | 8K | $266.69 | Nov 14, 2025 |
| Romano Gianluca | EVP & CFO | EXERCISE | $1M+ | 53K | $80.84 | Nov 14, 2025 |
| Romano Gianluca | EVP & CFO | SELL | $1M+ | 54K | $285.16 | Nov 14, 2025 |
| Lee James CI | EVP & CLO | SELL | $100K–$500K | 697 | $288.98 | Nov 12, 2025 |
| Teh Ban Seng | EVP & Chief Commer… | EXERCISE | $50K–$100K | 1K | $66.02 | Nov 12, 2025 |
| Teh Ban Seng | EVP & Chief Commer… | SELL | $100K–$500K | 1K | $288.98 | Nov 12, 2025 |
| Arumugavelu Shankar | Director | SELL | $1M+ | 5K | $294.56 | Nov 12, 2025 |
| Teh Ban Seng | EVP & Chief Commer… | SELL | $1M+ | 6K | $270.00 | Nov 5, 2025 |
| Tilenius Stephanie | Director | SELL | $500K+ | 2K | $266.41 | Nov 5, 2025 |
| MOSLEY WILLIAM D | CEO | SELL | $1M+ | 20K | $262.82 | Nov 5, 2025 |
| Chong Kian Fatt | EVP Global Operati… | SELL | $1M+ | 7K | $272.14 | Nov 3, 2025 |
| Geldmacher Jay L | Director | SELL | $100K–$500K | 1K | $269.10 | Nov 3, 2025 |
| Morris John Christopher | EVP & CTO | SELL | $50K–$100K | 377 | $211.26 | Sep 17, 2025 |
| Morris John Christopher | EVP & CTO | EXERCISE | N/A | 8K | — | Sep 15, 2025 |
| Morris John Christopher | EVP & CTO | SELL | $1M+ | 15K | $195.80 | Sep 15, 2025 |
| Teh Ban Seng | EVP & Chief Commer… | EXERCISE | $100K–$500K | 17K | $7.27 | Sep 15, 2025 |
| Teh Ban Seng | EVP & Chief Commer… | SELL | $500K+ | 4K | $193.30 | Sep 15, 2025 |
| Teh Ban Seng | EVP & Chief Commer… | SELL | $1M+ | 7K | $191.53 | Sep 11, 2025 |
| Teh Ban Seng | EVP & Chief Commer… | EXERCISE | N/A | 6K | — | Sep 11, 2025 |
| Conyers Yolanda Lee | Director | SELL | $100K–$500K | 750 | $168.80 | Sep 4, 2025 |
| MOSLEY WILLIAM D | CEO | SELL | $1M+ | 20K | $168.97 | Sep 4, 2025 |
| Teh Ban Seng | EVP & Chief Commer… | EXERCISE | $100K–$500K | 2K | $69.89 | Jul 15, 2025 |
| Teh Ban Seng | EVP & Chief Commer… | SELL | $100K–$500K | 2K | $144.00 | Jul 15, 2025 |
| MOSLEY WILLIAM D | CEO | SELL | $1M+ | 20K | $144.66 | Jul 2, 2025 |
| Teh Ban Seng | EVP & Chief Commer… | SELL | $50K–$100K | 599 | $130.00 | Jun 17, 2025 |
| Teh Ban Seng | EVP & Chief Commer… | SELL | $100K–$500K | 2K | $129.05 | Jun 12, 2025 |
| Teh Ban Seng | EVP & Chief Commer… | EXERCISE | N/A | 988 | — | Jun 12, 2025 |
| MOSLEY WILLIAM D | CEO | SELL | $1M+ | 54K | $130.19 | Jun 10, 2025 |
| MOSLEY WILLIAM D | CEO | EXERCISE | $1M+ | 57K | $52.08 | Jun 10, 2025 |
| Teh Ban Seng | EVP & Chief Commer… | SELL | $100K–$500K | 4K | $130.00 | Jun 10, 2025 |
| Teh Ban Seng | EVP & Chief Commer… | EXERCISE | $50K–$100K | 599 | $130.17 | Jun 10, 2025 |
| Tilenius Stephanie | Director | SELL | $100K–$500K | 3K | $128.04 | Jun 6, 2025 |
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