Ameren Illinois Company bonds AILIN
Who owns Ameren Illinois Company'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. AILIN 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 |
|---|---|---|---|---|---|---|---|---|---|
| 02361DAS9 | 3.8% fixed | 2028-05-15 | USD | 98.75 | 4.53% | 34 bp | 6 | $5.4M | Jul 2026 |
| 02361DAA8 | 6.125% fixed | 2028-12-15 | USD | 103.04 | 4.80% | 67 bp | 1 | $1.0M | Jun 2026 |
| 02361DAV2 | 1.55% fixed | 2030-11-15 | USD | 87.30 | 4.87% | 56 bp | 5 | $2.6M | Jul 2026 |
| 02361DAY6 | 3.85% fixed | 2032-09-01 | USD | 93.88 | 5.03% | 63 bp | 6 | $30.6M | Jul 2026 |
| 02361DBA7 | 4.95% fixed | 2033-06-01 | USD | 98.59 | 5.20% | 75 bp | 10 | $40.1M | Jul 2026 |
| 02361DAM2 | 4.8% fixed | 2043-12-15 | USD | 85.79 | 6.14% | 116 bp | 1 | $4K | Jul 2026 |
| 02361DAN0 | 4.3% fixed | 2044-07-01 | USD | 79.69 | 6.19% | 119 bp | 1 | $16K | Jul 2026 |
| 02361DAQ3 | 4.15% fixed | 2046-03-15 | USD | 78.71 | 6.01% | 92 bp | 4 | $990K | Jul 2026 |
| 02361DAR1 | 3.7% fixed | 2047-12-01 | USD | 72.15 | 6.04% | 93 bp | 4 | $1.5M | Jul 2026 |
| 02361DAT7 | 4.5% fixed | 2049-03-15 | USD | 80.59 | 6.09% | 98 bp | 5 | $7.4M | Jul 2026 |
| 02361DAU4 | 3.25% fixed | 2050-03-15 | USD | 65.44 | 6.01% | 90 bp | 3 | $639K | Jul 2026 |
| 02361DAX8 | 2.9% fixed | 2051-06-15 | USD | 60.32 | 5.99% | 88 bp | 4 | $2.3M | Jul 2026 |
| 02361DAZ3 | 5.9% fixed | 2052-12-01 | USD | 97.80 | 6.07% | 96 bp | 5 | $3.7M | Jul 2026 |
| 02361DBB5 | 5.55% fixed | 2054-07-01 | USD | 92.64 | 6.10% | 100 bp | 3 | $1.5M | Jul 2026 |
| 02361DBC3 | 5.625% fixed | 2055-03-01 | USD | 93.52 | 6.11% | 100 bp | 6 | $3.7M | Jul 2026 |
Spread history
Median spread of the US-dollar bonds over Treasuries, month-ends with complete filings. Fund-reported.
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 | 14 | $100.5M | 86.54 | 6.03% | 93 bp | 10 |
| Jun 2026 | 14 | $325.0M | 92.56 | 5.68% | 72 bp | 28 |
| May 2026 | 15 | $228.1M | 89.31 | 5.74% | 72 bp | 20 |
| Apr 2026 | 14 | $102.7M | 88.19 | 5.83% | 93 bp | 11 |
| Mar 2026 | 14 | $320.3M | 92.25 | 5.76% | 93 bp | 27 |
| Feb 2026 | 15 | $256.6M | 92.96 | 5.49% | 78 bp | 20 |
| Jan 2026 | 14 | $110.8M | 89.61 | 5.61% | 80 bp | 11 |
| Dec 2025 | 14 | $343.0M | 93.80 | 5.59% | 84 bp | 29 |
| Nov 2025 | 15 | $257.3M | 93.55 | 5.45% | 78 bp | 21 |
| Oct 2025 | 14 | $118.2M | 90.33 | 5.42% | 80 bp | 10 |
| Sep 2025 | 14 | $346.8M | 93.92 | 5.45% | 74 bp | 26 |
| Aug 2025 | 15 | $259.0M | 88.84 | 5.65% | 80 bp | 21 |
| Jul 2025 | 14 | $127.2M | 87.06 | 5.69% | 77 bp | 9 |
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. 30 added, 25 cut, 3 new holders and 2 exits in the latest quarter.
| Fund series | Report | Face value | Value | Change in face value |
|---|---|---|---|---|
| VANGUARD INTERMEDIATE-TERM INVESTMENT-GRADE FUND VANGUARD FIXED INCOME SECURITIES FUNDS | 2026-07-31 | $65.4M | $63.2M | $0 |
| VANGUARD TOTAL BOND MARKET II INDEX FUND VANGUARD BOND INDEX FUNDS | 2026-06-30 | $71.7M | $63.0M | $7.5M |
| VANGUARD WELLINGTON FUND | 2026-05-31 | $54.8M | $56.5M | -$26.4M |
| VANGUARD TOTAL BOND MARKET INDEX FUND VANGUARD BOND INDEX FUNDS | 2026-06-30 | $61.9M | $55.6M | $201K |
| PIMCO Long Duration Credit Bond Portfolio PIMCO FUNDS | 2026-06-30 | $54.0M | $38.4M | $0 |
| VANGUARD INTERMEDIATE-TERM CORPORATE BOND INDEX FUND VANGUARD SCOTTSDALE FUNDS | 2026-05-31 | $29.0M | $28.5M | $101K |
| iShares Core U.S. Aggregate Bond ETF iShares Trust | 2026-05-31 | $28.5M | $25.2M | -$145K |
| AST Multi-Sector Fixed Income Portfolio Advanced Series Trust | 2026-06-30 | $26.2M | $20.7M | $0 |
| College Retirement Equities Fund - Core Bond Account College Retirement Equities Fund | 2026-06-30 | $17.4M | $17.4M | $0 |
| SIIT INTERMEDIATE DURATION CREDIT FUND SEI INSTITUTIONAL INVESTMENTS TRUST | 2026-05-31 | $17.7M | $16.5M | -$520K |
| VANGUARD LONG-TERM CORPORATE BOND INDEX FUND VANGUARD SCOTTSDALE FUNDS | 2026-05-31 | $17.9M | $15.9M | $1.4M |
| Nuveen Core Bond Fund TIAA-CREF Funds | 2026-06-30 | $14.5M | $14.5M | $0 |
| Fidelity U.S. Bond Index Fund Fidelity Salem Street Trust | 2026-05-31 | $14.8M | $13.8M | $0 |
| JPMorgan Core Plus Bond Fund JPMorgan Trust II | 2026-05-31 | $13.9M | $12.6M | $0 |
| iShares Broad USD Investment Grade Corporate Bond ETF iShares Trust | 2026-05-31 | $12.4M | $11.1M | $940K |
| VANGUARD LONG-TERM INVESTMENT-GRADE FUND VANGUARD FIXED INCOME SECURITIES FUNDS | 2026-07-31 | $13.5M | $10.7M | $0 |
| VANGUARD INTERMEDIATE-TERM BOND INDEX FUND VANGUARD BOND INDEX FUNDS | 2026-06-30 | $10.6M | $10.5M | $0 |
| AST Investment Grade Bond Portfolio Advanced Series Trust | 2026-06-30 | $11.0M | $10.4M | $0 |
| SIIT LONG DURATION CREDIT BOND FUND SEI INSTITUTIONAL INVESTMENTS TRUST | 2026-05-31 | $11.4M | $8.8M | $820K |
| Nuveen Core Impact Bond Fund TIAA-CREF Funds | 2026-06-30 | $12.3M | $7.8M | $0 |
| College Retirement Equities Fund - Responsible Balanced Account College Retirement Equities Fund | 2026-06-30 | $12.3M | $7.8M | $0 |
| VANGUARD INSTITUTIONAL INTERMEDIATE-TERM BOND FUND VANGUARD MALVERN FUNDS | 2026-06-30 | $8.6M | $7.5M | $0 |
| iShares 5-10 Year Investment Grade Corporate Bond ETF iShares Trust | 2026-05-31 | $6.9M | $6.8M | $43K |
| iShares Core Universal USD Bond ETF iShares Trust | 2026-07-31 | $6.7M | $5.7M | $670K |
| Fidelity Series Bond Index Fund Fidelity Salem Street Trust | 2026-05-31 | $5.3M | $5.3M | $0 |
Largest exits in the latest quarter (fund held the bonds in its previous report, none now): Voya Ultra Short Income ETF ($603K), Invesco Total Return Bond ETF ($2K).
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.
| ETF | Report | Bonds | Face value | Value | % of net assets |
|---|---|---|---|---|---|
| BND VANGUARD TOTAL BOND MARKET INDEX FUND | 2026-06-30 | 11 | $61.9M | $55.6M | 0.01% |
| VCIT VANGUARD INTERMEDIATE-TERM CORPORATE BOND INDEX FUND | 2026-05-31 | 2 | $29.0M | $28.5M | 0.04% |
| AGG iShares Core U.S. Aggregate Bond ETF | 2026-05-31 | 12 | $28.5M | $25.2M | 0.02% |
| VCLT VANGUARD LONG-TERM CORPORATE BOND INDEX FUND | 2026-05-31 | 6 | $17.9M | $15.9M | 0.17% |
| USIG iShares Broad USD Investment Grade Corporate Bond ETF | 2026-05-31 | 14 | $12.4M | $11.1M | 0.06% |
| BIV VANGUARD INTERMEDIATE-TERM BOND INDEX FUND | 2026-06-30 | 2 | $10.6M | $10.5M | 0.02% |
| IGIB iShares 5-10 Year Investment Grade Corporate Bond ETF | 2026-05-31 | 2 | $6.9M | $6.8M | 0.04% |
| IUSB iShares Core Universal USD Bond ETF | 2026-07-31 | 12 | $6.7M | $5.7M | 0.01% |
| SCHI Schwab 5-10 Year Corporate Bond ETF | 2026-06-30 | 2 | $5.0M | $4.9M | 0.04% |
| BLV VANGUARD LONG-TERM BOND INDEX FUND | 2026-06-30 | 5 | $5.3M | $4.2M | 0.05% |
| IGSB iShares 1-5 Year Investment Grade Corporate Bond ETF | 2026-05-31 | 2 | $4.2M | $3.9M | 0.02% |
| SPIB State Street(R) SPDR(R) Portfolio Intermediate Term Corporate Bond ETF | 2026-06-30 | 4 | $3.8M | $3.7M | 0.03% |
| IGLB iShares 10+ Year Investment Grade Corporate Bond ETF | 2026-05-31 | 10 | $3.9M | $3.4M | 0.13% |
| IBDT iShares iBonds Dec 2028 Term Corporate ETF | 2026-07-31 | 1 | $3.3M | $3.3M | 0.08% |
| NXUS Nuveen International Aggregate Bond ETF | 2026-06-30 | 1 | $2.7M | $3.1M | 0.08% |
Default risk, three ways
Stock market: distance-to-default
Distance-to-default 26.19: safer than 97% of companies (97th percentile in Utilities). Market-implied, prices to 2026-10-15, balance sheet 2026-06-30.
| Equity value | $1.57B |
| Debt barrier (short-term + ½ long-term debt) | $312.0M |
| Equity volatility (1 year) | 8.3% |
| Asset value / asset volatility (solved) | $1.87B / 7.0% |
| Risk-free rate (1-year Treasury) | 4.28% |
Bond market: priced-in odds
A 93 bp spread prices in about 1.5% a year of default odds (spread ÷ (1 − 40% recovery)). Fund-reported marks as of Jul 2026; the spread also pays for liquidity and risk premium, so this overstates actual defaults.
Accounts: Altman Z
Altman Z'' = 1.91 (latest balance sheet). A fundamentals cross-check; see methods for the variant used.
The stock side: 13F filings
What institutions report holding in AILIN'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 |
|---|---|---|---|---|---|---|---|
| 2025-03-31 | 1 | $284 | 0 | — | 0 | — | 0 |
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.