ULTRAGENYX PHARMACEUTICAL IN

Ticker: RARE CUSIP: 90400D108 Class: EQTY

Alyeska Investment Group, L.P.'s Holding History (CIK: 0001453072)

Note: Option positions (PUT/CALL) are excluded.

Q3 2025

Shares 531,996 Value ($000) $16,002 Avg Close $29.99 Range $25.81 - $42.37

Q2 2025

Shares 1,429,437 Value ($000) $51,974 Avg Close $36.05 Range $29.59 - $40.19

Q1 2025

Shares 1,495,351 Value ($000) $54,147 Avg Close $41.60 Range $35.53 - $46.50

Q4 2024

Shares 1,439,740 Value ($000) $60,570 Avg Close $49.61 Range $41.26 - $57.99

Q3 2024

Shares 1,170,007 Value ($000) $64,994 Avg Close $50.94 Range $39.65 - $60.37

Q2 2024

Shares 70,000 Value ($000) $2,877 Avg Close $42.70 Range $37.02 - $52.56

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	531,996	$16,002	$29.99	$25.81 - $42.37
Q2 2025	1,429,437	$51,974	$36.05	$29.59 - $40.19
Q1 2025	1,495,351	$54,147	$41.60	$35.53 - $46.50
Q4 2024	1,439,740	$60,570	$49.61	$41.26 - $57.99
Q3 2024	1,170,007	$64,994	$50.94	$39.65 - $60.37
Q2 2024	70,000	$2,877	$42.70	$37.02 - $52.56