BBA

Baker Bros. Advisors’s Ultragenyx Pharmaceutical RARE Stock Holding History

Baker Bros. Advisors’s Portfolio RARE Stock Details RARE Fund Activity

Quarter	Market Value	Status	Shares	Shares Change %	Trade Value	Portfolio Weight	Portfolio Position
2025 Q2	$101M	Buy	2,772,692 +1,196,578	+76%	+$43.5M	0.98%	12
2025 Q1	$57.1M	Hold	1,576,114	–	–	0.63%	19
2024 Q4	$66.3M	Hold	1,576,114	–	–	0.71%	21
2024 Q3	$87.6M	Buy	1,576,114 +109,567	+7%	+$6.09M	0.91%	16
2024 Q2	$60.3M	Hold	1,466,547	–	–	0.77%	20
2024 Q1	$68.5M	Hold	1,466,547	–	–	0.86%	18
2023 Q4	$70.1M	Buy	1,466,547 +100,000	+7%	+$4.78M	0.8%	15
2023 Q3	$48.7M	Buy	1,366,547 +583,488	+75%	+$20.8M	0.28%	23
2023 Q2	$36.1M	Buy	783,059 +312,085	+66%	+$14.4M	0.21%	31
2023 Q1	$18.9M	Hold	470,974	–	–	0.1%	38
2022 Q4	$21.8M	Hold	470,974	–	–	0.13%	40
2022 Q3	$19.5M	Hold	470,974	–	–	0.13%	47
2022 Q2	$28.1M	Buy	470,974 +26,530	+6%	+$1.58M	0.16%	37
2022 Q1	$32.3M	Hold	444,444	–	–	0.19%	43
2021 Q4	$37.4M	Hold	444,444	–	–	0.18%	42
2021 Q3	$40.1M	Hold	444,444	–	–	0.18%	45
2021 Q2	$42.4M	Hold	444,444	–	–	0.19%	41
2021 Q1	$50.6M	Hold	444,444	–	–	0.22%	40
2020 Q4	$61.5M	Buy	+444,444	New	+$61.5M	0.23%	29
2017 Q3	–	Sell	-25,000	Closed	-$1.55M	–	125
2017 Q2	$1.55M	Sell	25,000 -25,000	-50%	-$1.55M	0.01%	91
2017 Q1	$3.39M	Hold	50,000	–	–	0.03%	74
2016 Q4	$3.52M	Sell	50,000 -50,000	-50%	-$3.52M	0.03%	72
2016 Q3	$7.09M	Sell	100,000 -10,894	-10%	-$773K	0.06%	62
2016 Q2	$5.42M	Sell	110,894 -13,000	-10%	-$636K	0.06%	69
2016 Q1	$7.84M	Hold	123,894	–	–	0.08%	64
2015 Q4	$13.9M	Hold	123,894	–	–	0.12%	57
2015 Q3	$11.9M	Hold	123,894	–	–	0.11%	57
2015 Q2	$12.7M	Sell	123,894 -25,000	-17%	-$2.56M	0.11%	57
2015 Q1	$9.25M	Sell	148,894 -1,106	-0.7%	-$68.7K	0.08%	60
2014 Q4	$6.58M	Hold	150,000	–	–	0.07%	66
2014 Q3	$8.49M	Buy	150,000 +50,000	+50%	+$2.83M	0.11%	47
2014 Q2	$4.49M	Hold	100,000	–	–	0.06%	74
2014 Q1	$4.89M	Buy	+100,000	New	+$4.89M	0.06%	71