UBS O'Connor’s Ionis Pharmaceuticals IONS Stock Holding History

UBS O'Connor’s Portfolio IONS Stock Details IONS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q3	–	Sell	-81,251	Closed	-$3.21M	–	391
2025 Q2	$3.21M	Sell	81,251 -9,528	-10%	-$312K	0.09%	105
2025 Q1	$2.74M	Buy	90,779 +30,199	+50%	+$989K	0.07%	98
2024 Q4	$2.12M	Buy	60,580 +23,623	+64%	+$883K	0.05%	149
2024 Q3	$1.48M	Sell	36,957 -5,638	-13%	-$262K	0.04%	224
2024 Q2	$2.03M	Buy	42,595 +183	+0.4%	+$7.51K	0.06%	190
2024 Q1	$1.84M	Buy	42,412 +13,788	+48%	+$657K	0.05%	187
2023 Q4	$1.45M	Sell	28,624 -33,435	-54%	-$1.6M	0.05%	225
2023 Q3	$2.81M	Sell	62,059 -10,000	-14%	-$413K	0.05%	185
2023 Q2	$2.96M	Sell	72,059 -35,430	-33%	-$1.36M	0.06%	194
2023 Q1	$3.84M	Buy	+107,489	New	+$4.04M	0.09%	180
2022 Q4	–	Sell	-54,497	Closed	-$2.41M	–	172
2022 Q3	$2.41M	Sell	54,497 -7,000	-11%	-$295K	0.03%	514
2022 Q2	$2.28M	Buy	+61,497	New	+$2.32M	0.02%	621
2020 Q1	–	Sell	-57,636	Closed	-$3.48M	–	383
2019 Q4	$3.48M	Buy	+57,636	New	+$3.43M	0.1%	164

Other funds holding IONS

Fidelity Investments

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

T. Rowe Price Investment Management

T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

Capital World Investors

Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return

BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return

Wellington Management Group

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Bellevue Group Kuesnacht, Switzerland $4.2B AUM 54.85% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Deep Track Capital Greenwich, Connecticut $4.85B AUM 144% 1-Year Est. Return

Geode Capital Management

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return