RTW Investments’s Ultragenyx Pharmaceutical RARE Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$76.4M	Buy	3,648,795 +648,656	+22%	+$14.6M	0.76%	36
2025 Q4	$69M	Sell	3,000,139 -258,127	-8%	-$8.49M	0.69%	40
2025 Q3	$98M	Buy	3,258,266 +1,550,864	+91%	+$46.5M	1.21%	24
2025 Q2	$62.1M	Hold	1,707,402	–	–	0.88%	30
2025 Q1	$61.8M	Sell	1,707,402 -260,600	-13%	-$10.8M	0.95%	27
2024 Q4	$82.8M	Hold	1,968,002	–	–	1.25%	27
2024 Q3	$109M	Sell	1,968,002 -1,291,925	-40%	-$65.8M	1.58%	27
2024 Q2	$134M	Sell	3,259,927 -3,827,188	-54%	-$163M	2.07%	18
2024 Q1	$331M	Buy	7,087,115 +200,029	+3%	+$9.44M	4.88%	4
2023 Q4	$329M	Buy	6,887,086 +1,481,997	+27%	+$57.5M	5.14%	6
2023 Q3	$193M	Hold	5,405,089	–	–	4.07%	9
2023 Q2	$249M	Buy	5,405,089 +1,134,093	+27%	+$52.6M	4.75%	6
2023 Q1	$171M	Buy	4,270,996 +304,081	+8%	+$13M	3.57%	10
2022 Q4	$184M	Buy	3,966,915 +1,606,919	+68%	+$63.2M	3.75%	9
2022 Q3	$97.7M	Buy	2,359,996 +986,712	+72%	+$50.7M	2.25%	15
2022 Q2	$81.9M	Hold	1,373,284	–	–	2.12%	16
2022 Q1	$99.7M	Hold	1,373,284	–	–	2.06%	20
2021 Q4	$115M	Buy	+1,373,284	New	+$112M	1.69%	18