Edmond de Rothschild Holding’s Ionis Pharmaceuticals IONS Stock Holding History

Edmond de Rothschild Holding’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 Q2	$8.99M	Sell	113,320 -23,870	-17%	-$1.8M	0.12%	141
2026 Q1	$10.3M	Buy	137,190 +15,000	+12%	+$1.18M	0.15%	128
2025 Q4	$9.67M	Sell	122,190 -34,500	-22%	-$2.6M	0.14%	131
2025 Q3	$10.3M	Sell	156,690 -40,910	-21%	-$2M	0.16%	125
2025 Q2	$7.81M	Buy	197,600 +73,400	+59%	+$2.4M	0.12%	143
2025 Q1	$3.75M	Buy	+124,200	New	+$4.07M	0.07%	181
2021 Q2	–	Sell	-86,250	Closed	-$3.88M	–	807
2021 Q1	$3.88M	Sell	86,250 -27,500	-24%	-$1.53M	0.11%	177
2020 Q4	$6.43M	Hold	113,750	–	–	0.22%	119
2020 Q3	$5.4M	Hold	113,750	–	–	0.21%	120
2020 Q2	$6.71M	Hold	113,750	–	–	0.28%	101
2020 Q1	$5.38M	Sell	113,750 -98	-0.1%	-$5.46K	0.28%	102
2019 Q4	$6.88M	Buy	113,848 +7,728	+7%	+$460K	0.27%	97
2019 Q3	$6.36M	Sell	106,120 -1,367	-1%	-$89.1K	0.25%	95
2019 Q2	$6.91M	Sell	107,487 -31,215	-23%	-$2.21M	0.26%	91
2019 Q1	$11.3M	Sell	138,702 -3,815	-3%	-$246K	0.39%	69
2018 Q4	$7.71M	Buy	142,517 +2,134	+2%	+$109K	0.27%	86
2018 Q3	$7.24M	Sell	140,383 -35,815	-20%	-$1.68M	0.21%	99
2018 Q2	$7.34M	Sell	176,198 -16,000	-8%	-$709K	0.21%	102
2018 Q1	$8.47M	Sell	192,198 -47,900	-20%	-$2.43M	0.25%	95
2017 Q4	$12.1M	Sell	240,098 -405	-0.2%	-$22.2K	0.35%	80
2017 Q3	$12.2M	Hold	240,503	–	–	0.35%	78
2017 Q2	$12.2M	Hold	240,503	–	–	0.34%	76
2017 Q1	$9.67M	Buy	240,503 +40,000	+20%	+$1.8M	0.26%	88
2016 Q4	$9.59M	Buy	200,503 +20,098	+11%	+$795K	0.27%	87
2016 Q3	$6.61M	Sell	180,405 -19,595	-10%	-$613K	0.2%	113
2016 Q2	$4.66M	Hold	200,000	–	–	0.15%	133
2016 Q1	$8.1M	Hold	200,000	–	–	0.26%	102
2015 Q4	$12.4M	Sell	200,000 -38,405	-16%	-$2.07M	0.33%	79
2015 Q3	$9.64M	Buy	238,405 +37,300	+19%	+$1.93M	0.24%	91
2015 Q2	$11.6M	Buy	+201,105	New	+$12.8M	0.25%	88

Other funds holding IONS

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

Royal Bank of Canada Toronto, Ontario, Canada $672B AUM 33.48% 1-Year Est. Return

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

Edmond de Rothschild Holding's IONS Position: Q2 2026 in Review

Edmond de Rothschild Holding reduced its Ionis Pharmaceuticals (IONS) stake by 17% in Q2 2026, selling an estimated $1.8M and leaving 113,320 shares worth $8.99M. The position accounts for 0.12% of the portfolio, ranked #141.

Edmond de Rothschild Holding first reported a position in IONS in Q2 2015 and has held it in 30 quarters since. The position peaked at $12.4M in Q4 2015. 515 funds tracked by Wall St. Rank hold IONS as of Q2 2026.

Edmond de Rothschild Holding held 113,320 shares of Ionis Pharmaceuticals worth $8.99M as of Q2 2026.
Edmond de Rothschild Holding sold 23,870 Ionis Pharmaceuticals shares in Q2 2026, an estimated $1.8M.
Ionis Pharmaceuticals made up 0.12% of Edmond de Rothschild Holding's portfolio in Q2 2026, its #141 holding.
Edmond de Rothschild Holding first reported a position in Ionis Pharmaceuticals in Q2 2015 and has held it in 30 quarters since.
Edmond de Rothschild Holding's Ionis Pharmaceuticals position peaked at $12.4M in Q4 2015.
515 funds tracked by Wall St. Rank held Ionis Pharmaceuticals as of Q2 2026.

Based on Edmond de Rothschild Holding's 13F filing for Q2 2026, filed 10 Aug 2026.