Nikko Asset Management Americas, Inc. Ionis Pharmaceuticals Inc Transaction History

Nikko Asset Management Americas, Inc.

$9.23 Billion
Q3 2025

A detailed history of Nikko Asset Management Americas, Inc. transactions in Ionis Pharmaceuticals Inc stock. As of the latest transaction made, Nikko Asset Management Americas, Inc. holds 114,592 shares of IONS stock, worth $8.2 Million. This represents 0.08% of its overall portfolio holdings.

Number of Shares

114,592

Previous 139,739 18.0%

Holding current value

$8.2 Million

Previous $5.52 Million 35.77%

% of portfolio

0.08%

Previous 0.06%

27 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 12, 2025	SELL	$39.94 - $65.42 $1 Million - $1.65 Million	-25,147 Reduced 18.0%	114,592 $7.5 Million
Q2 2025 Aug 11, 2025	SELL	$25.51 - $40.0 $68,723 - $107,760	-2,694 Reduced 1.89%	139,739 $5.52 Million
Q1 2025 May 07, 2025	SELL	$30.17 - $34.97 $429,138 - $497,413	-14,224 Reduced 9.08%	142,433 $4.3 Million
Q4 2024 Feb 10, 2025	SELL	$33.73 - $40.36 $1.33 Million - $1.59 Million	-39,457 Reduced 20.12%	156,657 $5.48 Million
Q3 2024 Nov 07, 2024	SELL	$40.06 - $51.86 $124,867 - $161,647	-3,117 Reduced 1.56%	196,114 $7.86 Million

Q2 2024 Aug 09, 2024	SELL	$36.45 - $47.7 $766,543 - $1 Million	-21,030 Reduced 9.55%	199,231 $9.5 Million
Q1 2024 May 02, 2024	SELL	$42.03 - $53.55 $1.35 Million - $1.72 Million	-32,198 Reduced 12.75%	220,261 $9.55 Million
Q4 2023 Feb 08, 2024	SELL	$43.39 - $51.63 $1.74 Million - $2.07 Million	-40,014 Reduced 13.68%	252,459 $12.8 Million
Q3 2023 Nov 09, 2023	SELL	$38.5 - $47.13 $140,871 - $172,448	-3,659 Reduced 1.24%	292,473 $13.3 Million
Q2 2023 Aug 14, 2023	SELL	$34.73 - $43.33 $46,434 - $57,932	-1,337 Reduced 0.45%	296,132 $12.2 Million
Q1 2023 May 03, 2023	SELL	$33.58 - $41.2 $1.32 Million - $1.62 Million	-39,263 Reduced 11.66%	297,469 $10.6 Million
Q4 2022 Feb 13, 2023	SELL	$37.12 - $46.52 $3.73 Million - $4.67 Million	-100,444 Reduced 22.98%	336,732 $12.7 Million
Q3 2022 Nov 14, 2022	SELL	$36.54 - $48.66 $1.13 Million - $1.51 Million	-30,940 Reduced 6.61%	437,176 $16 Million
Q2 2022 Aug 04, 2022	SELL	$31.71 - $43.0 $4.17 Million - $5.65 Million	-131,500 Reduced 21.93%	468,116 $15.4 Million
Q1 2022 May 06, 2022	SELL	$29.88 - $37.04 $187,825 - $232,833	-6,286 Reduced 1.04%	599,616 $21.5 Million
Q4 2021 Feb 08, 2022	SELL	$25.61 - $35.1 $1.78 Million - $2.44 Million	-69,399 Reduced 10.28%	605,902 $17.9 Million
Q3 2021 Nov 09, 2021	BUY	$33.54 - $40.55 $5.6 Million - $6.77 Million	166,927 Added 32.84%	675,301 $22.6 Million
Q2 2021 Aug 09, 2021	BUY	$34.54 - $47.25 $349,475 - $478,075	10,118 Added 2.03%	508,374 $20.4 Million
Q1 2021 May 03, 2021	BUY	$42.51 - $63.78 $7.44 Million - $11.2 Million	175,088 Added 54.18%	498,256 $22.4 Million
Q4 2020 Feb 11, 2021	BUY	$45.3 - $60.27 $4.33 Million - $5.76 Million	95,501 Added 41.95%	323,168 $18.3 Million
Q3 2020 Nov 02, 2020	SELL	$47.45 - $62.95 $913,507 - $1.21 Million	-19,252 Reduced 7.8%	227,667 $10.7 Million
Q2 2020 Aug 07, 2020	SELL	$46.85 - $61.05 $6.29 Million - $8.19 Million	-134,193 Reduced 35.21%	246,919 $14.3 Million
Q1 2020 Apr 30, 2020	SELL	$41.6 - $63.4 $1.81 Million - $2.76 Million	-43,571 Reduced 10.26%	381,112 $18 Million
Q4 2019 Feb 06, 2020	BUY	$53.85 - $65.27 $3.26 Million - $3.95 Million	60,592 Added 16.64%	424,683 $25.7 Million
Q3 2019 Oct 29, 2019	BUY	$59.06 - $72.15 $3.31 Million - $4.05 Million	56,089 Added 18.21%	364,091 $21.8 Million
Q2 2019 Jul 29, 2019	BUY	$62.09 - $86.14 $7.98 Million - $11.1 Million	128,469 Added 71.56%	308,002 $19.8 Million
Q1 2019 Apr 30, 2019	BUY	$52.92 - $81.17 $9.5 Million - $14.6 Million	179,533 New	179,533 $14.6 Million

Others Institutions Holding IONS

# of Institutions

507

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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Nikko Asset Management Americas, Inc. Ionis Pharmaceuticals Inc Transaction History