Mirion Technologies, Inc. bonds MIR
Who owns Mirion Technologies, Inc.'s debt and what their own filings say it is worth. Bond prices and yields are fund-reported marks (SEC Form N-PORT) as of Jul 2026; they lag the market by about two months. MIR stock page.
Every bond funds hold
Each bond's latest fund-reported mark. Price per 100 of face value; yield to maturity from price, coupon and maturity; spread over the matched-maturity Treasury for US-dollar bonds.
| Bond | Coupon | Maturity | Ccy | Price | Yield | Spread | Funds | Held | As of |
|---|---|---|---|---|---|---|---|---|---|
| 60471AAA9 convertible | 0.25% fixed | 2030-06-01 | USD | 97.80 | — | — | 14 | $68.6M | Jul 2026 |
| 60471AAC5 convertible | 0% none | 2031-10-01 | USD | 86.23 | — | — | 9 | $56.4M | Jul 2026 |
Spread history
Median spread of the US-dollar bonds over Treasuries, month-ends with complete filings. Fund-reported.
Not enough US-dollar bonds with a yield.
Price history
Median fund-marked price across the bonds, per 100 of face value.
By month
Funds file on staggered quarter-ends, so each month-end is marked by the funds that reported for it; the amount held moves with which funds filed, not only with buying and selling.
| Month-end | Bonds | Held | Median price | USD yield | USD spread | Most funds on one bond |
|---|---|---|---|---|---|---|
| Jul 2026 | 2 | $125.0M | 92.02 | — | — | 14 |
| Jun 2026 | 2 | $50.5M | 100.26 | — | — | 16 |
| May 2026 | 2 | $16.1M | 101.27 | — | — | 5 |
| Apr 2026 | 2 | $140.3M | 106.00 | — | — | 19 |
| Mar 2026 | 2 | $56.7M | 101.69 | — | — | 15 |
| Feb 2026 | 2 | $23.2M | 111.23 | — | — | 6 |
| Jan 2026 | 2 | $163.5M | 120.93 | — | — | 22 |
| Dec 2025 | 2 | $58.7M | 116.13 | — | — | 15 |
| Nov 2025 | 2 | $26.2M | 123.60 | — | — | 5 |
| Oct 2025 | 2 | $200.6M | 134.39 | — | — | 23 |
| Sep 2025 | 2 | $55.5M | 115.47 | — | — | 15 |
| Aug 2025 | 1 | $18.6M | 111.92 | — | — | 5 |
| Jul 2025 | 1 | $122.8M | 118.24 | — | — | 27 |
Who holds the debt
Fund series in their latest quarterly N-PORT report, largest first, with the change in face value against each fund's own previous report. Names as reported in the filings. 9 added, 13 cut, 1 new holders and 12 exits in the latest quarter.
| Fund series | Report | Face value | Value | Change in face value |
|---|---|---|---|---|
| Franklin Convertible Securities Fund Franklin Investors Securities Trust | 2026-07-31 | $27.0M | $23.3M | $0 |
| NYLIM MacKay Convertible Fund NYLIM FUNDS | 2026-07-31 | $19.0M | $18.5M | $9.2M |
| iShares Convertible Bond ETF iShares Trust | 2026-07-31 | $15.5M | $14.3M | $2.3M |
| State Street(R) SPDR(R) Bloomberg Convertible Securities ETF SPDR SERIES TRUST | 2026-06-30 | $11.1M | $11.3M | $1.0M |
| Calamos Market Neutral Income Fund CALAMOS INVESTMENT TRUST/IL | 2026-07-31 | $11.5M | $10.4M | $0 |
| NYLIM VP MacKay Convertible Portfolio NYLIM VP FUNDS TRUST | 2026-06-30 | $9.4M | $10.0M | $0 |
| CALAMOS STRATEGIC TOTAL RETURN FUND | 2026-07-31 | $11.2M | $9.7M | $0 |
| Columbia Convertible Securities Fund COLUMBIA FUNDS SERIES TRUST | 2026-05-31 | $7.5M | $8.0M | $0 |
| CALAMOS CONVERTIBLE & HIGH INCOME FUND | 2026-07-31 | $8.0M | $7.8M | $0 |
| Calamos Growth & Income Fund CALAMOS INVESTMENT TRUST/IL | 2026-07-31 | $8.8M | $7.6M | $0 |
| CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND | 2026-07-31 | $7.5M | $7.3M | $0 |
| Calamos Convertible Fund CALAMOS INVESTMENT TRUST/IL | 2026-07-31 | $7.5M | $7.3M | $0 |
| Virtus Income & Growth Fund Virtus Investment Trust | 2026-06-30 | $6.8M | $7.2M | -$4.0M |
| Virtus Convertible Fund Virtus Strategy Trust | 2026-06-30 | $6.5M | $6.9M | -$3.7M |
| Calamos Dynamic Convertible & Income Fund | 2026-07-31 | $6.2M | $6.1M | $0 |
| Invesco Convertible Securities Fund AIM Growth Series (Invesco Growth Series) | 2026-06-30 | $4.5M | $4.8M | $0 |
| Fidelity Convertible Securities Fund Fidelity Financial Trust | 2026-05-31 | $4.2M | $4.3M | $0 |
| Miller Market Neutral Income Fund Miller Investment Trust | 2026-07-31 | $4.0M | $3.9M | $0 |
| Advent Convertible & Income Fund ADVENT CONVERTIBLE & INCOME FUND | 2026-07-31 | $3.3M | $3.2M | $0 |
| Ellsworth Growth & Income Fund Ltd | 2026-06-30 | $2.5M | $2.7M | $900K |
| Putnam Convertible Securities Fund | 2026-07-31 | $3.0M | $2.6M | -$820K |
| Bancroft Fund Ltd | 2026-06-30 | $2.0M | $2.1M | $1.3M |
| Fidelity Strategic Dividend and Income Fund Fidelity Salem Street Trust | 2026-05-31 | $1.6M | $1.7M | -$195K |
| WESTWOOD ALTERNATIVE INCOME FUND Ultimus Managers Trust | 2026-07-31 | $1.5M | $1.5M | $0 |
| JNL Multi-Manager Alternative Fund JNL Series Trust | 2026-06-30 | $1.1M | $1.1M | $770K |
Largest exits in the latest quarter (fund held the bonds in its previous report, none now): Lord Abbett Convertible Fund ($4.3M), Virtus Convertible & Income Fund ($1.7M), Virtus Convertible & Income Fund II ($1.4M), Virtus Equity & Convertible Income Fund ($1.3M), Virtus Dividend, Interest & Premium Strategy Fund ($1.3M), Virtus Diversified Income & Convertible Fund ($1.0M), Defensive Market Strategies Fund ($1.0M), First Trust SSI Strategic Convertible Securities ETF ($547K), Putnam Diversified Income Trust ($238K), Putnam Premier Income Trust ($127K).
ETFs holding these bonds
From each ETF's own latest N-PORT report: the issuer's bonds as a share of the ETF's net assets. A holdings list, not a recommendation.
Default risk, three ways
Stock market: distance-to-default
Distance-to-default 4.09: safer than 38% of companies (37th percentile in Industrials). Market-implied, prices to 2026-10-16, balance sheet 2026-06-30.
| Equity value | $3.66B |
| Debt barrier (short-term + ½ long-term debt) | $601.8M |
| Equity volatility (1 year) | 53.5% |
| Asset value / asset volatility (solved) | $4.23B / 46.2% |
| Risk-free rate (1-year Treasury) | 4.28% |
Bond market: priced-in odds
No US-dollar bond with a yield to compute it from.
Accounts: Altman Z
Altman Z = 1.69 (latest balance sheet). A fundamentals cross-check; see methods for the variant used.
The stock side: 13F filings
What institutions report holding in MIR's stock and options. Options are reported at the value of the underlying shares, not the premium paid; 13F lists long positions only, lags 45 days after quarter-end, and does not show whether puts hedge a stock position.
| Quarter-end | Stock holders | Stock value | Put managers | Puts (underlying value) | Call managers | Calls (underlying value) | Convertible holders |
|---|---|---|---|---|---|---|---|
| 2026-09-30 filings still arriving | 28 | $92.4M | 0 | — | 0 | — | 0 |
| 2026-06-30 | 334 | $4.41B | 10 | $15.6M | 20 | $123.7M | 0 |
| 2026-03-31 | 344 | $3.76B | 8 | $10.1M | 16 | $66.1M | 0 |
| 2025-12-31 | 351 | $5.41B | 12 | $16.9M | 14 | $195.7M | 0 |
| 2025-09-30 | 329 | $5.38B | 10 | $24.4M | 15 | $83.7M | 2 |
| 2025-06-30 | 290 | $3.98B | 10 | $40.6M | 15 | $70.9M | 1 |
Sources: fund holdings and fund-reported marks from SEC Form N-PORT (published about 60 days after each month-end); 13F filings; House and Senate periodic transaction reports and OGE Form 278-T; Treasury yields from FRED. Findings from filings, not advice. How each number is computed.