Susquehanna International Group, LLP Ionis Pharmaceuticals Inc Transaction History

Susquehanna International Group, LLP

$823 Billion
Q3 2025

A detailed history of Susquehanna International Group, LLP transactions in Ionis Pharmaceuticals Inc stock. As of the latest transaction made, Susquehanna International Group, LLP holds 420,950 shares of IONS stock, worth $30.1 Million. This represents 0.0% of its overall portfolio holdings.

Number of Shares

420,950

Previous 97,300 332.63%

Holding current value

$30.1 Million

Previous $3.84 Million 616.39%

% of portfolio

0.0%

Previous 0.0%

33 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 14, 2025	BUY	$39.94 - $65.42 $16.8 Million - $27.5 Million	420,950 New	420,950 $27.5 Million
Q1 2025 May 14, 2025	BUY	$30.17 - $34.97 $1.38 Million - $1.6 Million	45,747 Added 175.52%	71,811 $2.17 Million
Q4 2024 Feb 14, 2025	SELL	$33.73 - $40.36 $1.05 Million - $1.26 Million	-31,175 Reduced 54.46%	26,064 $911,000
Q3 2024 Nov 14, 2024	SELL	$40.06 - $51.86 $1.55 Million - $2 Million	-38,619 Reduced 40.29%	57,239 $2.29 Million
Q2 2024 Aug 15, 2024	SELL	$36.45 - $47.7 $1.57 Million - $2.06 Million	-43,203 Reduced 31.07%	95,858 $4.57 Million

Q1 2024 May 07, 2024	BUY	$42.03 - $53.55 $3.57 Million - $4.55 Million	84,928 Added 156.89%	139,061 $6.03 Million
Q4 2023 Feb 14, 2024	SELL	$43.39 - $51.63 $1.5 Million - $1.79 Million	-34,606 Reduced 39.0%	54,133 $2.74 Million
Q3 2023 Nov 14, 2023	SELL	$38.5 - $47.13 $3.03 Million - $3.71 Million	-78,777 Reduced 47.03%	88,739 $4.03 Million
Q2 2023 Aug 11, 2023	BUY	$34.73 - $43.33 $3.88 Million - $4.84 Million	111,596 Added 199.56%	167,516 $6.87 Million
Q1 2023 May 16, 2023	SELL	$33.58 - $41.2 $65,548 - $80,422	-1,952 Reduced 3.37%	55,920 $2 Million
Q4 2022 Feb 14, 2023	BUY	$37.12 - $46.52 $631,114 - $790,933	17,002 Added 41.6%	57,872 $2.19 Million
Q3 2022 Nov 14, 2022	BUY	$36.54 - $48.66 $121,203 - $161,405	3,317 Added 8.83%	40,870 $1.81 Million
Q2 2022 Aug 15, 2022	SELL	$31.71 - $43.0 $386,005 - $523,439	-12,173 Reduced 24.48%	37,553 $1.39 Million
Q1 2022 May 16, 2022	SELL	$29.88 - $37.04 $4.62 Million - $5.72 Million	-154,529 Reduced 75.65%	49,726 $1.84 Million
Q4 2021 Feb 14, 2022	BUY	$25.61 - $35.1 $770,579 - $1.06 Million	30,089 Added 17.28%	204,255 $6.22 Million
Q3 2021 Nov 15, 2021	SELL	$33.54 - $40.55 $6.92 Million - $8.37 Million	-206,300 Reduced 54.22%	174,166 $5.84 Million
Q2 2021 Aug 11, 2021	BUY	$34.54 - $47.25 $10.1 Million - $13.8 Million	292,195 Added 331.02%	380,466 $15.2 Million
Q1 2021 May 17, 2021	BUY	$42.51 - $63.78 $1.68 Million - $2.52 Million	39,578 Added 81.28%	88,271 $3.97 Million
Q4 2020 Feb 16, 2021	SELL	$45.3 - $60.27 $10.4 Million - $13.8 Million	-229,193 Reduced 82.48%	48,693 $2.75 Million
Q3 2020 Nov 16, 2020	SELL	$47.45 - $62.95 $2.11 Million - $2.8 Million	-44,520 Reduced 13.81%	277,886 $13.2 Million
Q2 2020 Aug 14, 2020	SELL	$46.85 - $61.05 $2.63 Million - $3.42 Million	-56,087 Reduced 14.82%	322,406 $19 Million
Q1 2020 May 15, 2020	BUY	$41.6 - $63.4 $9.16 Million - $14 Million	220,271 Added 139.22%	378,493 $17.9 Million
Q4 2019 Feb 14, 2020	SELL	$53.85 - $65.27 $3.56 Million - $4.32 Million	-66,173 Reduced 29.49%	158,222 $9.56 Million
Q3 2019 Nov 14, 2019	BUY	$59.06 - $72.15 $1.97 Million - $2.4 Million	33,279 Added 17.41%	224,395 $13.4 Million
Q2 2019 Aug 16, 2019	BUY	$62.09 - $86.14 $8.82 Million - $12.2 Million	142,086 Added 289.79%	191,116 $12.3 Million
Q2 2019 Aug 14, 2019	BUY	$62.09 - $86.14 $2.03 Million - $2.82 Million	32,724 Added 200.69%	49,030 $3.15 Million
Q1 2019 May 15, 2019	SELL	$52.92 - $81.17 $5.4 Million - $8.28 Million	-101,977 Reduced 86.21%	16,306 $1.32 Million
Q4 2018 Feb 14, 2019	BUY	$43.37 - $59.54 $176,212 - $241,911	4,063 Added 3.56%	118,283 $6.39 Million
Q3 2018 Nov 14, 2018	SELL	$42.88 - $53.7 $9.32 Million - $11.7 Million	-217,303 Reduced 65.55%	114,220 $5.89 Million
Q2 2018 Aug 14, 2018	BUY	$40.53 - $50.7 $6.18 Million - $7.73 Million	152,447 Added 85.13%	331,523 $13.8 Million
Q1 2018 May 15, 2018	BUY	$44.08 - $55.05 $228,995 - $285,984	5,195 Added 2.99%	179,076 $7.89 Million
Q4 2017 Feb 14, 2018	BUY	$50.3 - $64.39 $3.22 Million - $4.12 Million	63,971 Added 58.2%	173,881 $8.75 Million
Q3 2017 Nov 14, 2017	BUY	$45.56 - $59.57 $5.01 Million - $6.55 Million	109,910	109,910 $5.57 Million

Others Institutions Holding IONS

# of Institutions

514

Shares Held

154M

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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Susquehanna International Group, LLP Ionis Pharmaceuticals Inc Transaction History