Wellington Management Group LLP Ionis Pharmaceuticals Inc Transaction History

Wellington Management Group LLP

$529 Billion
Q2 2025

A detailed history of Wellington Management Group LLP transactions in Ionis Pharmaceuticals Inc stock. As of the latest transaction made, Wellington Management Group LLP holds 6,345,776 shares of IONS stock, worth $261 Million. This represents 0.05% of its overall portfolio holdings.

Number of Shares

6,345,776

Previous 8,416,421 24.6%

Holding current value

$261 Million

Previous $254 Million 1.26%

% of portfolio

0.05%

Previous 0.05%

18 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Aug 14, 2025	SELL	$25.51 - $40.0 $52.8 Million - $82.8 Million	-2,070,645 Reduced 24.6%	6,345,776 $251 Million
Q1 2025 May 13, 2025	BUY	$30.17 - $34.97 $254 Million - $294 Million	8,416,421 New	8,416,421 $254 Million
Q4 2024 Feb 12, 2025	SELL	$33.73 - $40.36 $2.15 Million - $2.57 Million	-63,639 Reduced 0.73%	8,672,148 $303 Million
Q3 2024 Nov 14, 2024	BUY	$40.06 - $51.86 $86.8 Million - $112 Million	2,166,979 Added 32.99%	8,735,787 $350 Million
Q2 2024 Aug 13, 2024	BUY	$36.45 - $47.7 $31.8 Million - $41.6 Million	873,109 Added 15.33%	6,568,808 $313 Million
Q1 2024 May 15, 2024	BUY	$42.03 - $53.55 $239 Million - $305 Million	5,695,699 New	5,695,699 $247 Million
Q4 2023 Feb 12, 2024	BUY	$43.39 - $51.63 $200 Million - $238 Million	4,616,978 New	4,616,978 $234 Million
Q3 2023 Nov 14, 2023	BUY	$38.5 - $47.13 $32.6 Million - $39.9 Million	845,902 Added 92.48%	1,760,625 $79.9 Million
Q2 2023 Aug 14, 2023	BUY	$34.73 - $43.33 $31.8 Million - $39.6 Million	914,723 New	914,723 $37.5 Million
Q1 2022 May 16, 2022	SELL	$29.88 - $37.04 $392,443 - $486,483	-13,134 Closed	0 $0
Q4 2021 Feb 11, 2022	BUY	$25.61 - $35.1 $336,361 - $461,003	13,134 New	13,134 $399,000
Q3 2021 Nov 15, 2021	SELL	$33.54 - $40.55 $198,254 - $239,691	-5,911 Closed	0 $0
Q2 2021 Aug 16, 2021	BUY	$34.54 - $47.25 $204,165 - $279,294	5,911 New	5,911 $236,000
Q4 2020 Feb 12, 2021	SELL	$45.3 - $60.27 $39.4 Million - $52.4 Million	-868,993 Closed	0 $0
Q3 2020 Nov 16, 2020	SELL	$47.45 - $62.95 $41 Million - $54.3 Million	-863,371 Reduced 49.84%	868,993 $41.2 Million
Q2 2020 Aug 14, 2020	SELL	$46.85 - $61.05 $106 Million - $138 Million	-2,252,853 Reduced 56.53%	1,732,364 $102 Million
Q1 2020 May 14, 2020	SELL	$41.6 - $63.4 $115 Million - $175 Million	-2,752,639 Reduced 40.85%	3,985,217 $188 Million
Q4 2019 Feb 11, 2020	BUY	$53.85 - $65.27 $363 Million - $440 Million	6,737,856 New	6,737,856 $407 Million

Others Institutions Holding IONS

# of Institutions

412

Shares Held

149M

Call Options Held

1.72M

Put Options Held

722K

View Full List

About IONIS PHARMACEUTICALS INC

Ticker IONS
Exchange NASDAQ
Sector Healthcare
Industry Biotechnology
Shares Outstandng 141,940,992
Market Cap $5.85B
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...

More about IONS

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Wellington Management Group LLP Ionis Pharmaceuticals Inc Transaction History