The one form of bloodstock that pays an income, priced each autumn by a fee the stud sets and the market ratifies or refuses; the best horse of his generation has had his fee cut three years running while his yearlings sold for six times it.6Med
Context for Liquidity, not a rating. Definitions → · Themes covering this market are listed at the end of the brief.
First entry. The 2027 fee lists are being published through October and November; Lane's End has left Flightline's "to be announced" pending his first crop's remaining season, the first time the farm has held a headline fee open. Darley, Juddmonte, Coolmore and Spendthrift are due before the Keeneland November and Tattersalls December mares sales, where the new fees will be priced into every mare in foal.6
A stallion is valued as a multiple of a fee that the stud itself sets and revises every year, on evidence (yearling prices, then runners) that arrives three to five years after the purchase. Shares are held in closed syndicates of forty, sold privately or, exceptionally, at auction to buyers the syndicate manager has pre-approved; there is no secondary market in any ordinary sense. Custody is delegated to the stud, which is a strength, but the asset can lose fertility, break down or die, and insurance against the first is limited. Title is clean. Access is the binding constraint: a share in a leading sire is a seven-figure private placement, and the only retail instrument, an annual nomination, is a consumable, not a holding.
The Σ grade is ΣΟΦΙΑ's opinion of how practical the asset is to hold. Not a view on return. How it is judged →
Every price in the yearling ring is a derivative of a stallion fee, and every stallion fee is a bet on runners that do not yet exist. This page sets out how a sire is valued and divided, follows one horse from a $184 m implied valuation through three fee cuts, describes the three operations that own most of the top of the market, and lists the specific ways a shareholder loses. No prices are carried as live values.
Fee, times mares, times seasons, discounted for the chance the runners disappoint.
The arithmetic is simple and the inputs are not. A stallion covers 100 to 250 mares a season; the fee is payable only on a live foal (the "stands and nurses" or "live foal" guarantee, settled the autumn after birth); a career runs ten to twenty seasons. Into Mischief, Gun Runner and Not This Time stand at $250,000 in Kentucky for 2026; Dubawi and Frankel at £350,000 in Newmarket; Sea The Stars at €300,000. At 150 live foals, the top Kentucky fee is gross income of $37.5 m a year.4 High
| Transaction | Year | Price | Basis |
|---|---|---|---|
| Flightline, 2.5% share | 2022 | $4.6 m | Single share, 42 pre-approved bidders, Coolmore underbidder; implies $184 m for forty shares, which Lane's End's Bill Farish said overstated the horse because only one share was available1 2 |
| Justify, breeding rights | 2018 | $75 m | Coolmore from WinStar, China Horse Club and SF Racing; $60 m plus $15 m Triple Crown bonus; the horse had raced for 111 days3 |
| Fusaichi Pegasus | 2000 | $70 m | Coolmore, after the Kentucky Derby; the previous record; pensioned 2020 at $7,5003 5 |
| American Pharoah, breeding rights | 2015 | $10 m + bonuses | Coolmore, agreed before the Triple Crown campaign; the wins reportedly tripled the price3 |
| Big Brown, breeding rights | 2008 | $50 m | Sold before the Belmont, which he lost3 |
Reported figures; stallion transactions are private and the press reports are sourced to the parties. Med
Two things make the valuation contested rather than merely uncertain. The fee is set by the seller: a stud announces it each autumn and the market's only vote is the size and quality of the book that follows. And the evidence arrives late: a stallion retired at four has his first yearlings sold at seven and his first runners at eight, so the first three fees are set on racing form and conformation alone. The implied value of a horse at retirement is therefore the price of an option, and Justify's $75 m before his first foal was conceived is the clearest example.3 Med
Flightline, 2022 to 2027: what a repricing looks like from the inside.
The sequence is the market working as designed. Commercial breeders pay the first fee to sell a yearling three years later; once the first crop is on the ground the stud cuts to keep the book full while the yearlings and then the runners make the case. If they do, the fee doubles: Vekoma $35,000 to $100,000, Omaha Beach $35,000 to $75,000, Yaupon $25,000 to $60,000 for 2026. If they do not, it halves and keeps halving. A shareholder's income follows the fee; the share's capital value follows the expectation of the next fee.4 9 High
How the asset is divided, and who holds most of it.
| Instrument | What it is | Who holds it |
|---|---|---|
| Syndicate share | One of (conventionally) forty equal interests in the horse; carries one nomination a year to use or sell, a share of surplus nominations sold by the stud, and a share of any sale or insurance proceeds. Syndicate agreement governs transfer, usually with pre-approval and a right of first refusal | The stud, the racing owners who retired him, breeders with mares to support him; traded privately, occasionally at Keeneland November1 2 |
| Lifetime breeding right | A nomination every year for the horse's life, without equity in the horse | Breeders; a cheaper way in, worthless if the horse dies or is pensioned |
| Season / nomination | The right to breed one mare in one year; priced at the advertised fee or negotiated below it; sold by studs, shareholders and at auction | Any breeder; the only genuinely accessible instrument, and consumed on use |
| Foal share | Stud takes an interest in the foal in lieu of the fee | Studs with a new sire to promote, breeders with good mares and no cash |
| The horse | Outright ownership, usually by the stud, with nominations sold against him | Coolmore, Darley and Juddmonte stand most of their best sires this way; Galileo was never syndicated Med |
Three operations stand the sires that set the fee ceiling: Coolmore (Ashford in Kentucky, Coolmore in Tipperary, Australia), Darley (Sheikh Mohammed's studs at Dalham Hall, Kildangan and Jonabell; Dubawi, Night Of Thunder) and Juddmonte (Frankel). Coolmore paid the record for Fusaichi Pegasus, Justify and American Pharoah, and was underbidder on the Flightline share; Darley's racing arm, Godolphin, bought 21% of Tattersalls Book 1 in 2026. Below them, Spendthrift, Three Chimneys, Lane's End, WinStar, Hill 'n' Dale and a dozen others in Kentucky; in Japan, Shadai's Northern Farm stands its own sires for its own breeding.3 4 11 Med
Shuttling doubles the season: a Northern Hemisphere sire flies to Australia or Argentina in August and covers a second book, which is how Coolmore expected to recover half of Justify's $75 m in his first year. Book sizes have no effective cap in North America; the Jockey Club's 140-mare limit, announced for the 2020 foal crop, was withdrawn in 2021 under legal challenge, and the busiest sires cover 250 or more.3 11 Med
Five specific ways, in rough order of frequency.
| Risk | Mechanism | Mitigation |
|---|---|---|
| The runners disappoint | Fee cut by half or more at the third or fourth season; the share's nomination becomes hard to sell at any price; Fusaichi Pegasus from $150,000 to $7,500 | None; this is the bet. Diversify across sires or across crops5 |
| Fertility | Sub-fertile or infertile horses cover a full book and produce few foals; income falls with no change in the fee | First-season infertility cover is available and expensive; later-career decline is uninsurable in practice Med |
| Death or injury | A paddock accident ends the asset | Mortality insurance at a percentage of agreed value, re-set annually as the fee moves Med |
| Illiquidity | No buyer for a share in a declining horse; right of first refusal and pre-approval narrow the field even for a good one | Sell nominations rather than the share; Keeneland November for the rare share with a market1 |
| Relocation or pensioning | Stud moves the horse to a cheaper jurisdiction or retires him; a lifetime breeding right in a pensioned horse is worth nothing | Syndicate agreement terms on relocation; shares carry proceeds, rights do not |
Title is the strength, as it is for racehorses: the registry records the stallion, the stud reports every mare covered, and a share is a contractual interest under a syndicate agreement that the manager administers. In the United States, interests in a stallion syndicate are treated as securities and sold under exemptions, which is one reason buyers are pre-screened. Tax treatment, depreciation of the horse and the nomination income, varies by jurisdiction and is usually the second question an adviser asks.2 Med
Recurring data points that move this analysis. No live values are carried on this page.
| Indicator | Source & cadence | What it tells you |
|---|---|---|
| Fee announcements | Darley, Juddmonte, Coolmore, Spendthrift, Three Chimneys, Lane's End; Oct–Dec | The repricing; a fee left "TBA" is itself a signal |
| Report of Mares Bred by stallion | The Jockey Club, Oct; Weatherbys Return of Mares | Book size and quality; whether a cut has filled the book |
| First-crop weanling and yearling averages against fee | Keeneland November, Fasig-Tipton, Tattersalls December; sales results by sire | The multiple the market pays on a fee before any runner exists |
| Mares in foal, average by covering sire | Keeneland November, Tattersalls December | Fastest-moving derivative of a sire's standing |
| Freshman and second-crop sire tables | BloodHorse, TDN, Racing Post; weekly in season | The runners; what the fourth fee will be |
| Stallion shares and seasons offered at auction | Keeneland November, Fasig-Tipton; irregular | The only public print on share value |
| Leading sires by earnings and by yearling average | BloodHorse, TRC Global Rankings; annual | Which fees are supported by results and which by expectation |
Numbered in order of first citation. Stud fee lists are primary; stallion transaction prices are as reported by the parties to the trade press. Source 12 added 23 Oct 2026 for the holding-horizon and exit-depth fields.