Siyouni the third leading sire by average, Sea The Stars third by aggregate. The Aga Khan stallions were among the top sires during a strong renewal of the Tattersalls October Yearling Sale, Book 1.

Siyouni yearlings were particularly in demand, and he finished Book 1 as the third leading sire by average (more than one sold), with 18 yearlings selling for an average of 397,611gns – 100,000gns more than the average for the sale. His top priced yearling was a filly out of Group 2 winner Lah Di Dar, consigned by Watership Down Stud and sold to Shadwell for 880,000gns. Another filly, out of a half-sister to blue hen Lillie Langtry and consigned by Lynn Lodge Stud, sold to Juddmonte for 725,000gns.

Sea The Stars was the third leading sire by aggregate, his 28 yearlings fetching a total of 8,425,000gns for an average of 300,893gns. His top price came on day three, when Oliver St Lawrence went to 800,000gns for a half-sister to Classic winner Just The Judge consigned by Corduff Stud. The previous day, Richard Knight went to 650,000gns to secure a son of Group 2 winner Amorella from Stauffenberg Bloodstock.

At this point in the yearling sales season, Siyouni has an average of almost €440,000 for 40 yearlings sold, and Sea The Stars an average of €302,000 for over 50 yearlings sold.