$9.33
$18.50
bear $9.33
base $15.17
bull $18.50
margin of safety $10.50
market price* $11.66
MSC Income Fund is an externally managed business development company, a lender that distributes nearly all of its income. Its adviser is owned by Main Street Capital. It lends mainly to private-equity-backed companies (its Private Loan strategy, 81 companies at June 30, 2026) and also holds loans and equity stakes in smaller lower middle market companies (55), larger middle market loans (8) and other holdings. In total it holds about $1.39 billion at fair value across 151 companies: 76.5% first-lien loans and 22.7% equity. Most loans float with short-term interest rates. CEO Dwayne Hyzak will become Executive Chairman, and Nicholas Meserve, head of Main Street's private credit team, becomes CEO in the fourth quarter of 2026; the adviser and strategy are unchanged. How we measured earnings. A lender's cash flow statement is dominated by money lent out and repaid, so we removed those portfolio movements. We also removed interest that was accrued but not received in cash (payment-in-kind interest and discount accretion, about $0.39 per share a year at the current pace), unrealized gains and losses on loans, and working-capital timing. We kept realized gains and losses, because a loan sold or written off for less than its cost is a real loss of the fund's capital. There are no stock-based compensation or capital spending costs. On this basis, earnings per share were $0.99 (2021), $0.99 (2022), $0.30 (2023), $1.36 (2024) and $0.90 (2025). 2023 was weak because $34.0 million of loans were realized at a loss; 2024 was lifted by a $15.8 million realized gain on equity exits that did not repeat. We also computed 2018 to 2020 ($0.77, $0.66 and a loss of $0.40 in 2020, when realized losses reached $52.7 million), but we do not use those years for the reference level: Main Street's team took over as adviser in October 2020 and the lending strategy has since moved toward private loans. Our reference level is the median of 2021 to 2025, about $0.99 per share. Figures in our earlier analysis are not comparable, because they left out realized gains and losses. The latest quarters. In the first half of 2026 total investment income was $69.8 million versus $68.9 million a year earlier, while expenses rose to $39.2 million from $34.8 million. The increase is mostly interest ($18.8 million versus $16.9 million, on about 20% more average borrowings) and a $2.3 million accrual of incentive fees tied to gains. Excluding that accrual, net investment income before tax was $32.9 million versus $34.1 million, about 3.5% lower, and steady at $16.3 to $16.6 million in each quarter. On our measure, first-half repeatable cash earnings were about $0.55 per share before the incentive-fee accrual, or roughly $1.10 a year. The first half also included a $9.6 million realized gain, largely the exit of Centre Technologies, which we treat as a one-off and do not repeat. Two developments weigh on the outlook. First, management reported loans on non-accrual (not paying interest) at 5.8% of the portfolio at cost and 1.9% at fair value on June 30, 2026, up from 4.6% and 1.4% at year-end. Second, the fund is replacing $150 million of 4.04% notes due October 30, 2026 with $150 million of 6.83% notes due September 30, 2029 ($75 million closed September 1; the second $75 million is expected in October), which adds about $4.2 million a year, or about $0.09 per share. Offsetting factors: net asset value per share rose to $16.51 from $15.85 at year-end, management said new-loan spreads have widened since January, regulatory asset coverage is 2.13 times against a 1.5 times floor, and a $0.36 per share distribution is declared for the fourth quarter. We do not credit wider spreads, because they are not yet visible in portfolio yield (10.4% on Private Loans at June 30 versus 10.3% at year-end). Growth check. Earnings per share on our measure fell 34% in 2025 (from $1.36 to $0.90), almost entirely because the 2024 equity-exit gain did not recur; before realized items they grew 14%. Our base case assumes $0.91 in year 1, about 1% below 2025 and 8% below the reference level. That is above the trailing 34% decline only because the 2024 gain was a dated one-off disclosed in the 2025 annual report, not a slowing of the loan book; the base level rests on the first-half 2026 run rate, which is itself about 3.5% below a year earlier before realized items. Base case, about $15.17 per share. Earnings of $0.91 per share a year, held level indefinitely: the $1.10 run rate, less $0.09 for the higher-cost replacement notes, less $0.10 for typical net credit losses (the median realized result over 2021 to the first half of 2026). Earnings persist because the fund keeps re-lending repayments, as it has for over a decade; net assets per share have stayed between $14.56 and $16.80 since 2014 through the 2015 to 2016 energy downturn and 2020. We credit no growth. Management expects leverage and investment activity to rise over the next several quarters, but that has not yet happened, and added borrowing or new share sales are not growth the fund has shown it can fund from its own earnings, since it distributes nearly all of its income. Bear case, about $9.33 per share. This case includes a full credit cycle of the kind the lending industry has had in 2008 to 2010, when leveraged-loan defaults ran roughly 3%, 10% and 3.5% in successive years with recoveries around 58% to 70%. Years 1 and 2: $0.79 per share (spreads narrow, more loans stop paying, credit losses of $0.15). Years 3 to 5 are the downturn: loan earnings before losses fall 12% and then 24% (the fund's own net investment income fell 16% in 2020), realized losses total $130 million, or $2.87 per share, spread 20%, 45% and 35% across the three years, and refinancing costs 1% more on the $661 million of debt, $0.15 per share a year. The result is $0.17, a loss of $0.67 and a loss of $0.38 per share. Year 6 recovers to $0.64, then $0.69 a year indefinitely, because the portfolio is permanently about 20% smaller. The $130 million loss is 17% of today's $749 million of net assets; the fund's own realized losses in 2018 to 2020 were $89 million, about 15% of its roughly $575 million of net assets then, so this is modestly worse than what the fund itself has been through. Net assets per share would trough near $12.76 and asset coverage near 1.9 times, still above the 1.5 times floor, so we assume no forced share sales. This case is below that trough value because the shrunken portfolio earns only about $0.69 per share, roughly 5% on those assets, and several years of losses come first. Bull case, about $18.50 per share. Earnings of $1.11 per share, held level indefinitely: the $1.10 run rate, less $0.09 for the replacement notes, plus $0.10 of average net realized gains as equity exits like 2024's and the first half of 2026's recur (equity is 22.7% of the portfolio). No growth is added. Debt. For a lender, interest is a cost of doing business and is already deducted from earnings, so we do not subtract debt again. The fund owes $662 million against $749 million of net assets: $362 million drawn on its two bank facilities (the $245 million Corporate Facility at SOFR plus 2.05%, final maturity May 2029, and the SPV Facility, $249 million drawn across the two lines on the balance sheet total), $150 million of notes due May 2029 (about 6.3%), and the $150 million 4.04% notes being refinanced as described above. In every case the earnings before losses stay positive after interest. The maturities cluster in 2029 (two note issues and the Corporate Facility), which the bear case charges with a higher refinancing cost. We could not find the SPV Facility's maturity date in the filings reviewed, and the exact rate on the March 2026 notes is taken from structured filing data rather than the narrative. What would make this wrong. If non-accruals keep rising faster than we assume, or short-term rates fall further and compress loan yields faster than borrowing costs, earnings could fall below our base level; if equity exits like Centre Technologies recur at a higher pace, results could exceed it. The reported net asset value per share ($16.51) is set by the adviser's valuation of private holdings, particularly the 22.7% in equity, and we did not use it to set value. The declared distribution of $1.44 a year is above the repeatable cash earnings we count, because reported net investment income includes non-cash interest and does not deduct credit losses. Margin-of-safety price. The margin-of-safety price is about $10.50 per share. We are moderately sure of the earnings level: five years under the same adviser and a decade of stable net assets per share, but a loan book of 151 private companies, an equity sleeve whose value is judged rather than quoted, and non-accruals that are rising. The worst plausible outcome is a lending downturn like 2008 to 2010 arriving around the 2029 refinancing; the structure would survive it because asset coverage stays well above the minimum and earnings before losses stay positive, but shareholders would see several years of losses and a smaller fund. If we are wrong about the two things most likely to move results, the size of future credit losses and the path of short-term rates, value ranges from about $9 to about $18. The price assumes about a three-year holding period, during which the fund pays roughly $0.90 a year of repeatable cash earnings. From $10.50, three years of those payments plus our base value imply about 20% a year, and if the downturn began in year three the bear path implies roughly breaking even.