Price T Rowe Associates Inc Ionis Pharmaceuticals Inc Transaction History

Price T Rowe Associates Inc

$883 Billion
Q2 2025

A detailed history of Price T Rowe Associates Inc transactions in Ionis Pharmaceuticals Inc stock. As of the latest transaction made, Price T Rowe Associates Inc holds 3,126,073 shares of IONS stock, worth $129 Million. This represents 0.01% of its overall portfolio holdings.

Number of Shares

3,126,073

Previous 3,265,034 4.26%

Holding current value

$129 Million

Previous $98.5 Million 25.38%

% of portfolio

0.01%

Previous 0.01%

19 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Aug 14, 2025	SELL	$25.51 - $40.0 $3.54 Million - $5.56 Million	-138,961 Reduced 4.26%	3,126,073 $124 Million
Q1 2025 May 14, 2025	SELL	$30.17 - $34.97 $17 Million - $19.6 Million	-561,905 Reduced 14.68%	3,265,034 $98.5 Million
Q4 2024 Feb 14, 2025	SELL	$33.73 - $40.36 $12.9 Million - $15.5 Million	-383,233 Reduced 9.1%	3,826,939 $134 Million
Q3 2024 Nov 14, 2024	BUY	$40.06 - $51.86 $11.1 Million - $14.3 Million	275,861 Added 7.01%	4,210,172 $169 Million
Q2 2024 Aug 14, 2024	BUY	$36.45 - $47.7 $15 Million - $19.7 Million	412,108 Added 11.7%	3,934,311 $188 Million
Q1 2024 May 15, 2024	SELL	$42.03 - $53.55 $30.8 Million - $39.2 Million	-732,871 Reduced 17.22%	3,522,203 $153 Million
Q4 2023 Feb 14, 2024	BUY	$43.39 - $51.63 $21.6 Million - $25.7 Million	497,077 Added 13.23%	4,255,074 $215 Million
Q3 2023 Nov 14, 2023	SELL	$38.5 - $47.13 $3 Million - $3.67 Million	-77,870 Reduced 2.03%	3,757,997 $170 Million
Q2 2023 Aug 14, 2023	SELL	$34.73 - $43.33 $3.44 Million - $4.29 Million	-99,084 Reduced 2.52%	3,835,867 $157 Million
Q1 2023 May 15, 2023	SELL	$33.58 - $41.2 $12 Million - $14.7 Million	-357,480 Reduced 8.33%	3,934,951 $141 Million
Q4 2022 Feb 14, 2023	SELL	$37.12 - $46.52 $18.7 Million - $23.5 Million	-504,701 Reduced 10.52%	4,292,431 $162 Million
Q3 2022 Nov 14, 2022	SELL	$36.54 - $48.66 $375 Million - $499 Million	-10,258,914 Reduced 68.14%	4,797,132 $212 Million
Q2 2022 Aug 15, 2022	BUY	$31.71 - $43.0 $22.4 Million - $30.3 Million	705,586 Added 4.92%	15,056,046 $557 Million
Q1 2022 May 16, 2022	BUY	$29.88 - $37.04 $55.6 Million - $68.9 Million	1,860,180 Added 14.89%	14,350,460 $532 Million
Q4 2021 Feb 14, 2022	BUY	$25.61 - $35.1 $19.3 Million - $26.4 Million	752,959 Added 6.42%	12,490,280 $380 Million
Q3 2021 Nov 15, 2021	SELL	$33.54 - $40.55 $17.5 Million - $21.1 Million	-521,506 Reduced 4.25%	11,737,321 $394 Million
Q2 2021 Aug 16, 2021	SELL	$34.54 - $47.25 $11.1 Million - $15.2 Million	-321,229 Reduced 2.55%	12,258,827 $489 Million
Q1 2021 May 17, 2021	SELL	$42.51 - $63.78 $22.7 Million - $34.1 Million	-534,911 Reduced 4.08%	12,580,056 $566 Million
Q4 2020 Feb 16, 2021	BUY	$45.3 - $60.27 $594 Million - $790 Million	13,114,967 New	13,114,967 $742 Million

Others Institutions Holding IONS

# of Institutions

413

Shares Held

149M

Call Options Held

1.73M

Put Options Held

729K

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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Price T Rowe Associates Inc Ionis Pharmaceuticals Inc Transaction History