ULTRAGENYX PHARMACEUTICAL IN

Ticker: RARE CUSIP: 90400D108 Class: EQTY

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q4 2025

Shares 83,337 Value ($000) $1,917 Avg Close $32.88 Range $18.41 - $39.89

Q3 2025

Shares 80,890 Value ($000) $2,433 Avg Close $29.99 Range $25.81 - $42.37

Q2 2025

Shares 77,159 Value ($000) $2,806 Avg Close $36.05 Range $29.59 - $40.19

Q1 2025

Shares 76,998 Value ($000) $2,788 Avg Close $41.60 Range $35.53 - $46.50

Q4 2024

Shares 78,051 Value ($000) $3,284 Avg Close $49.61 Range $41.26 - $57.99

Q3 2024

Shares 77,783 Value ($000) $4,321 Avg Close $50.94 Range $39.65 - $60.37

Q2 2024

Shares 73,441 Value ($000) $3,018 Avg Close $42.70 Range $37.02 - $52.56

Q1 2024

Shares 74,413 Value ($000) $3,474 Avg Close $47.17 Range $41.87 - $54.56

Q4 2023

Shares 77,075 Value ($000) $3,686 Avg Close $38.77 Range $31.52 - $49.93

Q3 2023

Shares 77,678 Value ($000) $2,769 Avg Close $39.62 Range $34.33 - $47.08

Q2 2023

Shares 84,485 Value ($000) $3,897 Avg Close $46.38 Range $37.20 - $54.98

Q1 2023

Shares 83,503 Value ($000) $3,348 Avg Close $42.91 Range $35.72 - $49.31

Q4 2022

Shares 84,775 Value ($000) $3,928 Avg Close $39.33 Range $33.36 - $46.51

Q3 2022

Shares 83,692 Value ($000) $3,466 Avg Close $51.39 Range $39.55 - $68.68

Q2 2022

Shares 87,651 Value ($000) $5,229 Avg Close $61.54 Range $45.20 - $85.53

Q1 2022

Shares 85,959 Value ($000) $6,242 Avg Close $69.58 Range $61.20 - $88.12

Q4 2021

Shares 92,886 Value ($000) $7,811 Avg Close $81.37 Range $72.89 - $89.72

Q3 2021

Shares 111,128 Value ($000) $10,023 Avg Close $90.39 Range $76.78 - $104.38

Q2 2021

Shares 117,351 Value ($000) $11,189 Avg Close $104.18 Range $91.93 - $120.00

Q1 2021

Shares 101,668 Value ($000) $11,576 Avg Close $136.14 Range $102.90 - $175.00

Q4 2020

Shares 100,487 Value ($000) $13,910 Avg Close $118.63 Range $82.43 - $179.65

Q3 2020

Shares 92,812 Value ($000) $7,628 Avg Close $82.89 Range $72.83 - $91.77

Q2 2020

Shares 85,520 Value ($000) $6,689 Avg Close $66.19 Range $42.32 - $79.67

Q1 2020

Shares 83,055 Value ($000) $3,690 Avg Close $51.92 Range $31.99 - $64.24

Q4 2019

Shares 83,466 Value ($000) $3,565 Avg Close $41.26 Range $35.41 - $46.06

Q3 2019

Shares 85,153 Value ($000) $3,643 Avg Close $54.32 Range $41.35 - $65.00

Q2 2019

Shares 84,135 Value ($000) $5,343 Avg Close $63.65 Range $54.41 - $74.50

Q1 2019

Shares 80,494 Value ($000) $5,583 Avg Close $57.14 Range $39.78 - $71.63

Q4 2018

Shares 74,783 Value ($000) $3,252 Avg Close $54.65 Range $37.44 - $78.51

Q3 2018

Shares 71,932 Value ($000) $5,491 Avg Close $81.34 Range $69.73 - $90.98

Q2 2018

Shares 71,956 Value ($000) $5,531 Avg Close $64.59 Range $48.04 - $86.10

Q1 2018

Shares 67,861 Value ($000) $3,460 Avg Close $50.36 Range $41.67 - $60.90

Q4 2017

Shares 62,396 Value ($000) $2,894 Avg Close $49.03 Range $43.14 - $58.00

Q3 2017

Shares 63,344 Value ($000) $3,374 Avg Close $59.25 Range $49.56 - $71.99

Q2 2017

Shares 70,106 Value ($000) $4,354 Avg Close $60.25 Range $51.67 - $68.46

Q1 2017

Shares 75,845 Value ($000) $5,141 Avg Close $76.21 Range $65.55 - $91.34

Q4 2016

Shares 74,245 Value ($000) $5,220 Avg Close $70.94 Range $52.60 - $86.77

Q3 2016

Shares 76,245 Value ($000) $5,409 Avg Close $63.83 Range $48.33 - $81.40

Q2 2016

Shares 75,545 Value ($000) $3,695 Avg Close $64.69 Range $46.52 - $78.13

Q1 2016

Shares 81,671 Value ($000) $5,171 Avg Close $65.43 Range $49.00 - $110.06

Q4 2015

Shares 71,172 Value ($000) $7,984 Avg Close $99.99 Range $79.34 - $117.12

Q3 2015

Shares 70,072 Value ($000) $6,749 Avg Close $114.50 Range $83.40 - $137.05

Q2 2015

Shares 65,572 Value ($000) $6,714 Avg Close $77.65 Range $56.11 - $105.97

Q1 2015

Shares 14,125 Value ($000) $877 Avg Close $55.55 Range $44.27 - $65.35

Q4 2014

Shares 13,025 Value ($000) $572 Avg Close $45.82 Range $38.01 - $58.33

Q3 2014

Shares 12,970 Value ($000) $734 Avg Close $50.32 Range $37.77 - $60.04

Q2 2014

Shares 12,100 Value ($000) $543 Avg Close $41.17 Range $32.02 - $60.00

Q1 2014

Shares 12,000 Value ($000) $587 Avg Close $51.48 Range $35.15 - $69.77

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	83,337	$1,917	$32.88	$18.41 - $39.89
Q3 2025	80,890	$2,433	$29.99	$25.81 - $42.37
Q2 2025	77,159	$2,806	$36.05	$29.59 - $40.19
Q1 2025	76,998	$2,788	$41.60	$35.53 - $46.50
Q4 2024	78,051	$3,284	$49.61	$41.26 - $57.99
Q3 2024	77,783	$4,321	$50.94	$39.65 - $60.37
Q2 2024	73,441	$3,018	$42.70	$37.02 - $52.56
Q1 2024	74,413	$3,474	$47.17	$41.87 - $54.56
Q4 2023	77,075	$3,686	$38.77	$31.52 - $49.93
Q3 2023	77,678	$2,769	$39.62	$34.33 - $47.08
Q2 2023	84,485	$3,897	$46.38	$37.20 - $54.98
Q1 2023	83,503	$3,348	$42.91	$35.72 - $49.31
Q4 2022	84,775	$3,928	$39.33	$33.36 - $46.51
Q3 2022	83,692	$3,466	$51.39	$39.55 - $68.68
Q2 2022	87,651	$5,229	$61.54	$45.20 - $85.53
Q1 2022	85,959	$6,242	$69.58	$61.20 - $88.12
Q4 2021	92,886	$7,811	$81.37	$72.89 - $89.72
Q3 2021	111,128	$10,023	$90.39	$76.78 - $104.38
Q2 2021	117,351	$11,189	$104.18	$91.93 - $120.00
Q1 2021	101,668	$11,576	$136.14	$102.90 - $175.00
Q4 2020	100,487	$13,910	$118.63	$82.43 - $179.65
Q3 2020	92,812	$7,628	$82.89	$72.83 - $91.77
Q2 2020	85,520	$6,689	$66.19	$42.32 - $79.67
Q1 2020	83,055	$3,690	$51.92	$31.99 - $64.24
Q4 2019	83,466	$3,565	$41.26	$35.41 - $46.06
Q3 2019	85,153	$3,643	$54.32	$41.35 - $65.00
Q2 2019	84,135	$5,343	$63.65	$54.41 - $74.50
Q1 2019	80,494	$5,583	$57.14	$39.78 - $71.63
Q4 2018	74,783	$3,252	$54.65	$37.44 - $78.51
Q3 2018	71,932	$5,491	$81.34	$69.73 - $90.98
Q2 2018	71,956	$5,531	$64.59	$48.04 - $86.10
Q1 2018	67,861	$3,460	$50.36	$41.67 - $60.90
Q4 2017	62,396	$2,894	$49.03	$43.14 - $58.00
Q3 2017	63,344	$3,374	$59.25	$49.56 - $71.99
Q2 2017	70,106	$4,354	$60.25	$51.67 - $68.46
Q1 2017	75,845	$5,141	$76.21	$65.55 - $91.34
Q4 2016	74,245	$5,220	$70.94	$52.60 - $86.77
Q3 2016	76,245	$5,409	$63.83	$48.33 - $81.40
Q2 2016	75,545	$3,695	$64.69	$46.52 - $78.13
Q1 2016	81,671	$5,171	$65.43	$49.00 - $110.06
Q4 2015	71,172	$7,984	$99.99	$79.34 - $117.12
Q3 2015	70,072	$6,749	$114.50	$83.40 - $137.05
Q2 2015	65,572	$6,714	$77.65	$56.11 - $105.97
Q1 2015	14,125	$877	$55.55	$44.27 - $65.35
Q4 2014	13,025	$572	$45.82	$38.01 - $58.33
Q3 2014	12,970	$734	$50.32	$37.77 - $60.04
Q2 2014	12,100	$543	$41.17	$32.02 - $60.00
Q1 2014	12,000	$587	$51.48	$35.15 - $69.77