Latest Period
Q4 2025
Security Snapshot
SEAGATE HDD CAYMAN - NOTE 3.500% 6/0 Institutional Ownership
CUSIP: 81180WBL4
13F Institutional Holders and Ownership History from Q3 2024 to Q1 2026
Institutions Reporting
55
Principal
$824,025,216
Price (% of par)
335.86%
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- Type / Class
- Debt / NOTE 3.500% 6/0
- Market price (% of par)
- 474.72%
- All holders as of 31 Dec 2025
- Q4 2025
- Total 13F principal
- $824,025,216
- Total reported market value
- $2,769,767,821
- Principal change
- -$553,725,546
- Market value change
- -$2,448,719,411
- Number of holders
- 55
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Quick Takeaways
- 81180WBL4 - SEAGATE HDD CAYMAN - NOTE 3.500% 6/0 is tracked under CUSIP 81180WBL4.
- 55 institutions reported positions in Q4 2025.
- Schedule 13D/13G significant owner rows are not currently available.
What Changed
- Holder count moved from 55 to 5 between Q4 2025 and Q1 2026.
- Reported value moved from $2,769,767,821 to $216,975,626.
Why This Matters
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Source Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 55 institutions filings for Q4 2025.
Investment Quick Answers
What is CUSIP 81180WBL4?
CUSIP 81180WBL4 identifies 81180WBL4 - SEAGATE HDD CAYMAN - NOTE 3.500% 6/0 in SEC 13F datasets.
Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.
Next ownership checks
Use the next link that matches the question you still need to answer about this security.
- Latest 13F filings when you want to inspect fresh institutional portfolio moves.
- Latest Schedule 13D/13G reports when you need large-owner changes outside the 13F cycle.
- All institutional ownership pages to compare this security with other holder-history pages.
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 81180WBL4:
As of 31 Dec 2025, 55 institutional investors reported holding $824,025,216 in principal (par value) of SEAGATE HDD CAYMAN - NOTE 3.500% 6/0.
Institutional Holders of SEAGATE HDD CAYMAN - NOTE 3.500% 6/0 across Reporting Periods
| Period | Principal | Value | Change | Price (% of par) (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | $40,134,000 | $216,975,626 | -$7,659,545 | 474.72% | 5 |
| 2025 Q4 | $824,025,216 | $2,769,767,821 | -$2,448,719,411 | 335.86% | 55 |
| 2025 Q3 | $1,365,419,762 | $3,928,737,543 | +$234,795,184 | 288.0% | 62 |
| 2025 Q2 | $1,390,523,200 | $2,500,609,163 | +$259,437,132 | 179.85% | 75 |
| 2025 Q1 | $1,350,684,198 | $1,626,188,069 | +$15,010,086 | 120.41% | 80 |
| 2024 Q4 | $1,428,063,247 | $1,738,233,513 | -$116,122,171 | 120.3% | 77 |
| 2024 Q3 | $1,375,894,122 | $2,025,431,200 | +$1,971,203,516 | 143.55% | 79 |