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CSS LLC’s Ionis Pharmaceuticals IONS Stock Holding History

CSS LLC’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
2026
Q1 		$5.94M Buy
+79,093
New +$6.24M 0.33% 65
2021
Q2 		– Sell
-9,605
Closed -$432K – 1153
2021
Q1 		$432K Buy
+9,605
New +$536K 0.02% 610
2020
Q1 		– Sell
-98,235
Closed -$5.48M – 719
2019
Q4 		$5.93M Buy
98,235
+89,646
+1,044% +$5.34M 0.43% 67
2019
Q3 		$515K Buy
8,589
+6,066
+240% +$395K 0.04% 306
2019
Q2 		$162K Buy
+2,523
New +$178K 0.01% 480
2018
Q4 		– Sell
-7,136
Closed -$364K – 575
2018
Q3 		$368K Buy
7,136
+3,236
+83% +$152K 0.02% 345
2018
Q2 		$163K Buy
+3,900
New +$173K 0.01% 432
2017
Q4 		– Sell
-11,937
Closed -$655K – 658
2017
Q3 		$605K Buy
+11,937
New +$625K 0.04% 321
2017
Q2 		– Sell
-10,232
Closed -$411K – 684
2017
Q1 		$411K Buy
+10,232
New +$460K 0.03% 362
2015
Q2 		– Sell
-17,824
Closed -$1.13M – 785
2015
Q1 		$1.14M Buy
+17,824
New +$1.21M 0.07% 271

Other funds holding IONS

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
BlackRock
BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $121B AUM 33.93% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return