APELLIS PHARMACEUTICALS, INC. (APLS): what the price requires

At today's price, APELLIS PHARMACEUTICALS, INC. (APLS) is priced for +37.6% growth. boothcheck doesn't publish a fair value or a price target; it shows what the price assumes, so you can judge whether that bar is too high.

Generated: 2026-07-19 · Source: https://boothcheck.com/report/APLS

Headline

FieldValue
TickerAPLS
CompanyAPELLIS PHARMACEUTICALS, INC.
Current price$41.05/sh

What The Price Requires (Inversion)

The assumption today's price embeds, recovered by inverting the valuation.

FieldValue
Inversion basiswhole-company
Operating margin needed2.3%
Operating margin today12.4%
Margin compression implied-10.1pp
Implied growth37.6%
Multiple paid36x operating income

The operating-margin requirement is derived from the framework's value band at year 4, a separately labeled basis from the headline growth/duration solve.

Solve inputs: computed at a 10.2% cost of capital with 4% terminal growth over a 5-year stage; each 1pp of cost of capital moves the implied operating-profit growth ~6.4pp.

How unusual the bet is: extreme

ReferenceValue
vs own history-0.36σ
cohort percentile (of 113 peers)86
sustained it ~5 years at this level27%
implied end-window share0%

Valuation X-Ray

Asset, earnings-power and peer-multiple models all land far below the price; ONLY the growth-DCF reaches it. The bet is durable compounding the static frames structurally cannot price (a moat/durability premium).

How the valuation models price the stock relative to the market price. Price/FV above 1.0 means the market pays more than that lens defends (expensive); at or below 1.0 the lens can defend the price.

FamilyMedian price/FVModelsReads
Asset3.74x5expensive
Earnings3.48x3expensive
Relative1.33x5expensive
Growth0.94x3justifies

Families that justify the price: Growth Families that call it expensive: Asset, Earnings

The models below discount at their own flat-beta convention rates (cost of equity 9.3%, WACC 8.8%); the inversion above states its own rate.

Per-Model Detail (n=16)

ModelFamilyFVPrice/FVApplicableMethodology
DCF Perpetual GrowthGrowth$13.043.15xyesFCF base $0.0B, growth 25% (input: historical growth), terminal g 4.0%, WACC 8.8%, 7yr projection
DCF Exit MultipleGrowth$43.810.94xyesExit EV/EBITDA: 29.6x / 32.6x / 35.6x (bear / base = today's held flat / bull), 7yr
Relative ValuationRelative$30.871.33xyesP/E 28.94x (blended: static sector reference 24x + trailing (TTM) 40x), scenarios: 23.2x / 28.9x / 34.7x (bear / base = reference held flat / bull), EV/EBITDA 20.98x
Simple DDMGrowthno
Two-Stage DDMGrowthno
Simple Excess ReturnAsset$10.963.74xyesBV/sh $3.16, ROE (TTM) 32.1%, ke 9.3%
Two-Stage Excess ReturnAsset$21.371.92xyes5yr excess ROE then converge to ke=9.3%
Discounted Future Market CapGrowth$59.560.69xyesRev $1.1B, growth 30% (input: historical growth; tapered), Terminal P/S: 3.9x / 4.9x / 5.9x (bear / base = today's held flat / bull, cap 12x)
Peter Lynch Fair ValueRelative$13.083.14xyesEPS $1.09, growth 1% (input: historical EPS growth), PEG=29.99 (Overvalued)
Margin TrajectoryGrowthno
Earnings Power ValueEarningsno
Residual IncomeAsset$16.892.43xyesBV $3.16 + 5yr PV of (ROE (TTM) 32.1% − Kₑ 9.3%) × BV; BV grows 8.8%/yr
Graham NumberAsset$8.804.66xyes√(22.5 × EPS $1.09 × BVPS $3.16) — Graham's conservative floor
EV/EBITDA RelativeRelative$20.162.04xyesEBITDA $0.17B × sector EV/EBITDA 16.0x
FCF YieldEarnings$3.0913.28xyesFCF $37.5M / Kₑ 9.3% — zero-growth perpetuity
SBC-Adj FCF YieldEarningsno
Ben Graham FormulaEarnings$35.171.17xyesEPS $1.09 × (8.5 + 2×15.0%) × (4.4 / 5.3%)
ROIC-Justified P/BAsset$2.2418.32xyesBV $3.16 × (ROIC 6.2% / WACC 8.8%)
P/Sales SectorRelative$33.641.22xyesRevenue $1.11B × sector P/S 4.0x
PEG Fair ValueRelative$40.881.00xyesEPS $1.09 × (PEG 1.5 × growth 25.0% (input: historical EPS growth)) → PE 37.5x
Earnings YieldEarnings$11.783.48xyesEPS $1.09 / required return 9.3% (Rf 4.3% + ERP 5.0%)
Funds From Operations MultipleRelativeno
Clinical Phase NPVGrowthno
MertonAssetno
V5 Mechanicalno

Solvency

FieldValue
Net cash$311.5m
Net debt / NOPAT (after-tax)-2.40x (net cash)
Net debt / operating income (pre-tax)-2.34x (net cash)
Interest coverage3.0x
Share count CAGR (dilution)7.4%
Burning cashno

Bullet Takeaways

Bull Case

Lead with where the price sits against the methods, because for Apellis the gap is the entire story. At today's price the static valuation lenses are nowhere close: asset value, earnings power, and peer multiples all read the stock as richly valued, and only the forward-growth lens reaches the price. The company just crossed into profitability, so capitalizing its current earnings produces a value at a small fraction of the price; the market is plainly not paying for what Apellis earns today. It is paying for a complement-biology franchise that is scaling fast, and the bull case is that the growth lens is the only one looking at the right thing.

The growth is real and it is broadening. Total revenue rose from $166.8 million to $268.3 million year over year, with SYFOVRE contributing $150.7 million, EMPAVELI $41.3 million (more than double the prior year's $19.7 million), and the rest from licensing including a $55 million milestone from its European partner. The company reported net income of $18.7 million, or $0.15 per diluted share, against a $92.2 million loss a year earlier. A biotech that flips from a large loss to a real profit while doubling its second product is demonstrating that the platform commercializes, not just that one drug landed.

The pipeline is where the durability the static methods cannot price might be earned. EMPAVELI is moving from rare blood disease into kidney disease, with positive Phase 3 VALIANT data and pivotal trials in additional kidney indications named as key value drivers. Apellis carries about $466 million of net cash, so it can fund those programs without immediate financing pressure. The bull case is that complement biology, validated across the eye and the kidney, supports years of compounding revenue, which is exactly the moat-and-durability premium the price embeds and the trailing-earnings methods structurally cannot capture.

Bear Case

The competitive threat has a name, and it is taking share. SYFOVRE was first to market in geographic atrophy, but Astellas' IZERVAY arrived shortly after as a direct rival, and the two now split the only approved market for the disease. IZERVAY recently won an FDA label update allowing dosing beyond a twelve-month window, which removes one of SYFOVRE's relative advantages and intensifies the head-to-head. The pressure is already in the numbers: SYFOVRE's full-year sales were $587 million in 2025, a 4% decline from the prior year. A flagship product that is shrinking in a two-horse race is the central bear fact, because SYFOVRE is still the larger of Apellis's two drugs.

The competitive dynamic matters more given how the stock is priced. At roughly 81 times operating income, the price implies operating growth held at its self-funding ceiling for about fourteen years, a bet the engine flags as elevated, above what the fundamentals comfortably support, and one that only about 14% of comparable fast-growers have historically sustained for even a decade. That requires not just growth but durable growth across both franchises, and the eye franchise is the one losing ground. If SYFOVRE keeps eroding, the entire weight of the valuation shifts onto EMPAVELI and the kidney pipeline, which carry their own clinical and commercial risk.

The financial profile leaves a thin cushion. Operating margin is only about 5.5%, the company just barely turned profitable, and interest is covered only about 1.3 times. The share count has been rising about 11% a year, so existing holders are being diluted even as the business grows, which means per-share value has to outrun both the competition and the dilution. The recent quarter's profit was helped by a $55 million one-time licensing milestone, so the underlying operating profitability is thinner than the headline. The bear case is not that Apellis fails; it is that a contested lead product plus a pipeline-dependent growth story does not support fourteen years of ceiling growth, and a price that only the growth lens reaches has a long way to fall if the durability proves shorter than the price assumes.

Valuation

Name the bet plainly, because the price makes a demanding one. At roughly 81 times company-wide operating income, the price implies operating growth held at its self-funding ceiling for about fourteen years. The engine characterizes that as elevated, above what the fundamentals comfortably support, and the base rate is harsh: only about 14% of comparable fast-growers sustained that pace for even ten years. The company crossed into profitability only recently, so the near-term growth rate is achievable, but the price requires it to persist for the better part of a decade and a half.

The methods are lopsided in a way that defines the stock. Of the valuation families, only the forward-growth lens reaches the price; the asset-based, earnings-power, and peer-multiple lenses all read it as richly valued, several by wide margins. The earnings-power lens, which capitalizes the current free cash flow with no growth, lands at a tiny fraction of the price, because there is almost no current free cash flow to capitalize. The peer-multiple lens, comparing Apellis to specialty pharma, also calls it expensive. This is the signature of a pure moat-and-durability bet: the value lives entirely in future growth that the static frames cannot price, and the buyer is underwriting the durability of two drug franchises rather than the worth of today's earnings.

Solvency, unusually for a recently profitable biotech, is a relative strength. The company carries about $466 million of net cash, which funds the clinical pipeline without immediate financing pressure, though interest coverage is thin at about 1.3 times and the share count is rising about 11% a year. The net cash position is the floor: even with the competitive pressure on SYFOVRE, the balance sheet gives Apellis time to prove the kidney pipeline. The bet a buyer is making is that complement biology compounds across the eye and the kidney for years, against a price that only the growth lens supports and a flagship product already losing share to a named rival.

Catalysts

The first-quarter 2026 result, filed May 7, 2026, marked a turn to profitability. Total revenue rose to $268.3 million from $166.8 million a year earlier, with SYFOVRE at $150.7 million, EMPAVELI at $41.3 million versus $19.7 million the prior year, and $76.3 million of licensing and other revenue that included a $55 million milestone from European partner Sobi. Net income was $18.7 million, or $0.15 per diluted share, against a $92.2 million loss a year earlier. For the year, management expects SYFOVRE gross-to-net in the high-20% range with broadly stable net pricing.

The pipeline is where the next legs of value sit. EMPAVELI is expanding into kidney disease, with positive Phase 3 VALIANT data already in hand and pivotal trials in focal segmental glomerulosclerosis and delayed graft function named as key value drivers, alongside a Phase 2 combination study of SYFOVRE plus APL-3007 with topline results expected in 2027. The kidney readouts are the catalysts that could shift the growth weight away from the contested eye franchise.

The competitive backdrop is the recurring risk to monitor. Astellas' IZERVAY, the direct rival to SYFOVRE in geographic atrophy, won an FDA label update allowing dosing beyond twelve months, and SYFOVRE's full-year 2025 sales of $587 million were down 4% from the prior year. The trajectory of SYFOVRE sales against IZERVAY and the EMPAVELI kidney trial results are the two items most likely to move the stock.

Peer Cohorts (Per Segment, With Filing Citations)

Apellis Pharmaceuticals (single segment) (reported)

Methodology Note

Fundamentals sourced from SEC EDGAR filings. Current price from Databento. The priced-in inversion and valuation x-ray are computed by the boothcheck engine; narrative composed by AI from the structured data.

Sources

Q1 2026 10-Q, May 7 2026 · FDA label update, 2026 · Q1 2026 earnings call, May 7 2026 · company disclosures, 2025 · FDA label update, 2026; company disclosures, 2025

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