All companies
AI / Datacenter
Seagate Technology Holdings plc.
STX · CUSIP G7997R103
Held by
22 funds
Q1 2026
Total $ held
$34.3B
Q1 2026
Total shares
88.86M
across our funds
Insider net
+$0
net buying
Institutional holdings over time
Total shares held
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Number of funds holding
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Insider flow (Form 4 open-market)
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This quarter's moves· Q4 2025 → Q1 2026
| Fund | Bucket | Prev shares | Latest shares | Δ value | Action |
|---|---|---|---|---|---|
| Vanguard CM | Passive index | — | 28.31M | +$11.1B | New |
| Vanguard | Passive index | 28.12M | — | −$7.7B | Exit |
| Vanguard PM | Passive index | — | 11.09M | +$4.3B | New |
| Fidelity | Active mutual fund | 3.76M | 8.18M | +$2.2B | Added |
| BlackRock | Passive index | 16.12M | 14.27M | +$1.2B | Added |
| State Street | Passive index | 9.37M | 9.32M | +$1.1B | Added |
| Capital Research | Active mutual fund | 4.51M | 5.74M | +$1.0B | Added |
| Geode | Passive index | 4.90M | 5.06M | +$635M | Added |
| Vanguard FTC | Passive index | — | 1.20M | +$471M | New |
| DE Shaw | Multi-manager | 796K | 1.29M | +$286M | Added |
| Vanguard GA | Passive index | — | 477K | +$187M | New |
| Balyasny | Multi-manager | 8K | 396K | +$153M | Added |
| Vanguard AM | Passive index | — | 376K | +$147M | New |
| Point72 | Multi-manager | 398K | 546K | +$105M | Added |
| Millennium | Multi-manager | 82K | 250K | +$76M | Added |
| Bridgewater | Macro / activist | 280K | 329K | +$52M | Added |
| Vanguard AU | Passive index | — | 109K | +$43M | New |
| Two Sigma | Multi-manager | 20K | 103K | +$35M | Added |
| Renaissance | Multi-manager | 382K | 310K | +$16M | Added |
| Vanguard PIM | Passive index | — | 40K | +$16M | New |
| Citadel | Multi-manager | 191K | 111K | −$9M | Trimmed |
| Wellington | Active mutual fund | 130K | 88K | −$1M | Trimmed |
| T. Rowe Price | Active mutual fund | 1.16M | 1.26M | +$173K | Added |
Top holders (latest quarter)
| Fund | Bucket | Shares | Value |
|---|---|---|---|
| Vanguard CM | Passive index | 28.31M | $11.1B |
| BlackRock | Passive index | 14.27M | $5.6B |
| Vanguard PM | Passive index | 11.09M | $4.3B |
| State Street | Passive index | 9.32M | $3.7B |
| Fidelity | Active mutual fund | 8.18M | $3.2B |
| Capital Research | Active mutual fund | 5.74M | $2.2B |
| Geode | Passive index | 5.06M | $2.0B |
| DE Shaw | Multi-manager | 1.29M | $505M |
| Vanguard FTC | Passive index | 1.20M | $471M |
| Point72 | Multi-manager | 546K | $214M |
| Vanguard GA | Passive index | 477K | $187M |
| Balyasny | Multi-manager | 396K | $155M |
| Vanguard AM | Passive index | 376K | $147M |
| Bridgewater | Macro / activist | 329K | $129M |
| Renaissance | Multi-manager | 310K | $122M |
Options book — funds reporting puts or calls
| Fund · Q1 2026 | Puts | Calls | Net | Direction |
|---|---|---|---|---|
| Citadel | $792M | $470M | +$322M | Short delta |
| DE Shaw | $113M | $91M | +$22M | Short delta |
| Millennium | $67M | $95M | −$29M | Long delta |