Latest Period
Q2 2026
Security Snapshot
MKS INC. - NOTE 1.250% 6/0 Institutional Ownership
CUSIP: 55306NAB0
13F Institutional Holders and Ownership History from Q2 2025 to Q2 2026
Institutions Reporting
67
Principal
$1,200,794,515
Price (% of par)
294.57%
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- Security type / class
- Debt / NOTE 1.250% 6/0
- All holders as of 30 Jun 2026
- Q2 2026
- Total 13F principal
- $1,200,794,515
- Total 13F market value
- $3,538,750,630
- Principal change
- -$46,954,166
- Market value change
- -$6,039,300
- Number of holders
- 67
- SEC-reported market price (% of par)
- 294.57%
Latest holder snapshot
3 signals
Issuer context
Names, identifiers, and filing context for this profile.
1 identity field
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- 55306NAB0 - MKS INC. - NOTE 1.250% 6/0 is tracked under CUSIP 55306NAB0.
- 67 institutions reported positions in Q2 2026.
- Schedule 13D/13G significant owner rows are not currently available.
Change
- Holder count moved from 74 to 67 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $2,142,284,950 to $3,538,750,630.
Research use
- 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.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 67 institutions filings for Q2 2026.
Security key
55306NAB0
Latest holder period
Q2 2026
13F holders
67
13D/G owners
0
CIK / CUSIP context first
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 55306NAB0:
As of 30 Jun 2026, 67 institutional investors reported holding $1,200,794,515 in principal (par value) of MKS INC. - NOTE 1.250% 6/0.
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
5
Latest
Q2 2026
Rows shown
1-5 of 5
| Period | Principal | Value | Change | Price (% of par) (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | $1,200,794,515 | $3,538,750,630 | -$6,039,300 | 294.57% | 67 |
| 2026 Q1 | $1,286,520,007 | $2,142,284,950 | +$42,423,353 | 165.45% | 74 |
| 2025 Q4 | $1,265,538,700 | $1,607,979,983 | -$368,804,241 | 127.8% | 67 |
| 2025 Q3 | $1,234,827,299 | $1,355,303,873 | -$32,753,329 | 109.75% | 63 |
| 2025 Q2 | $1,371,379,900 | $1,354,866,640 | +$1,352,037,177 | 98.86% | 66 |