Echo Street Capital Management’s Ionis Pharmaceuticals IONS Stock Holding History

Echo Street Capital Management’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
2023 Q1	–	Sell	-19,103	Closed	-$722K	–	541
2022 Q4	$722K	Buy	19,103 +12,910	+208%	+$543K	0.01%	212
2022 Q3	$274K	Buy	+6,193	New	+$261K	﹤0.01%	421
2022 Q2	–	Sell	-7,223	Closed	-$268K	–	628
2022 Q1	$268K	Buy	+7,223	New	+$236K	﹤0.01%	521
2021 Q2	–	Sell	-10,613	Closed	-$477K	–	657
2021 Q1	$477K	Buy	+10,613	New	+$592K	﹤0.01%	309

Other funds holding IONS

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 Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

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

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

ClearBridge Investments New York $115B AUM 24.78% 1-Year Est. Return

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

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

TBC

Tweedy, Browne Co Stamford, Connecticut $1.26B AUM 33.88% 1-Year Est. Return

DTC

Deep Track Capital Greenwich, Connecticut $6.12B AUM 144% 1-Year Est. Return

Echo Street Capital Management's IONS Position: Q1 2023 in Review

Echo Street Capital Management sold out of Ionis Pharmaceuticals (IONS) in Q1 2023, closing a stake of 19,103 shares — an estimated $722K sold.

Echo Street Capital Management first reported a position in IONS in Q1 2021 and held it in 4 quarters. The position peaked at $722K in Q4 2022. 313 funds tracked by Wall St. Rank hold IONS as of Q1 2023.

Echo Street Capital Management reported no remaining Ionis Pharmaceuticals position as of Q1 2023 after selling out during the quarter.
Echo Street Capital Management sold 19,103 Ionis Pharmaceuticals shares in Q1 2023, an estimated $722K.
Echo Street Capital Management first reported a position in Ionis Pharmaceuticals in Q1 2021 and held it in 4 quarters.
Echo Street Capital Management's Ionis Pharmaceuticals position peaked at $722K in Q4 2022.
313 funds tracked by Wall St. Rank held Ionis Pharmaceuticals as of Q1 2023.

Based on Echo Street Capital Management's 13F filing for Q1 2023, filed 15 May 2023.