Edmond De Rothschild Holding S.A. Ionis Pharmaceuticals Inc Transaction History

Edmond De Rothschild Holding S.A.

$6.36 Billion
Q3 2025

A detailed history of Edmond De Rothschild Holding S.A. transactions in Ionis Pharmaceuticals Inc stock. As of the latest transaction made, Edmond De Rothschild Holding S.A. holds 156,690 shares of IONS stock, worth $11.2 Million. This represents 0.16% of its overall portfolio holdings.

Number of Shares

156,690

Previous 197,600 20.7%

Holding current value

$11.2 Million

Previous $7.81 Million 31.29%

% of portfolio

0.16%

Previous 0.13%

16 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 13, 2025	SELL	$39.94 - $65.42 $1.63 Million - $2.68 Million	-40,910 Reduced 20.7%	156,690 $10.3 Million
Q2 2025 Aug 12, 2025	BUY	$25.51 - $40.0 $1.87 Million - $2.94 Million	73,400 Added 59.1%	197,600 $7.81 Million
Q1 2025 May 15, 2025	BUY	$30.17 - $34.97 $3.75 Million - $4.34 Million	124,200 New	124,200 $3.75 Million
Q2 2021 Aug 11, 2021	SELL	$34.54 - $47.25 $2.98 Million - $4.08 Million	-86,250 Closed	0 $0
Q1 2021 May 17, 2021	SELL	$42.51 - $63.78 $1.17 Million - $1.75 Million	-27,500 Reduced 24.18%	86,250 $3.88 Million

Q1 2020 May 15, 2020	SELL	$41.6 - $63.4 $4,076 - $6,213	-98 Reduced 0.09%	113,750 $5.38 Million
Q4 2019 Feb 14, 2020	BUY	$53.85 - $65.27 $416,152 - $504,406	7,728 Added 7.28%	113,848 $6.88 Million
Q3 2019 Nov 14, 2019	SELL	$59.06 - $72.15 $80,735 - $98,629	-1,367 Reduced 1.27%	106,120 $6.36 Million
Q2 2019 Aug 14, 2019	SELL	$62.09 - $86.14 $1.94 Million - $2.69 Million	-31,215 Reduced 22.51%	107,487 $6.91 Million
Q1 2019 May 13, 2019	SELL	$52.92 - $81.17 $201,889 - $309,663	-3,815 Reduced 2.68%	138,702 $11.3 Million
Q4 2018 Feb 14, 2019	BUY	$43.37 - $59.54 $92,551 - $127,058	2,134 Added 1.52%	142,517 $7.71 Million
Q3 2018 Nov 14, 2018	SELL	$42.88 - $53.7 $1.54 Million - $1.92 Million	-35,815 Reduced 20.33%	140,383 $7.24 Million
Q2 2018 Aug 14, 2018	SELL	$40.53 - $50.7 $648,480 - $811,200	-16,000 Reduced 8.32%	176,198 $7.34 Million
Q1 2018 May 15, 2018	SELL	$44.08 - $55.05 $2.11 Million - $2.64 Million	-47,900 Reduced 19.95%	192,198 $8.47 Million
Q4 2017 Feb 14, 2018	SELL	$50.3 - $64.39 $20,371 - $26,077	-405 Reduced 0.17%	240,098 $12.1 Million
Q3 2017 Nov 13, 2017	BUY	$45.56 - $59.57 $11 Million - $14.3 Million	240,503	240,503 $12.2 Million

Others Institutions Holding IONS

# of Institutions

518

Shares Held

155M

Call Options Held

2.69M

Put Options Held

1.03M

View Full List

About IONIS PHARMACEUTICALS INC

Ticker IONS
Exchange NASDAQ
Sector Healthcare
Industry Biotechnology
Shares Outstandng 141,940,992
Market Cap $10.2B
Description
Ionis Pharmaceuticals, Inc. discovers and develops RNA-targeted therapeutics in the United States. The company offers SPINRAZA for spinal muscular atrophy (SMA) in pediatric and adult patients; TEGSEDI, an injection for the treatment of polyneuropathy of hereditary transthyretin-mediated amyloidosis in adults; and WAYLIVRA, a treatment for famil...

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Edmond De Rothschild Holding S.A. Ionis Pharmaceuticals Inc Transaction History