Cathie Wood Ionis Pharmaceuticals Inc Transaction History

Ark Investment Management LLC

$11.4 Billion
Q4 2024

A detailed history of Cathie Wood (Ark Investment Management LLC) transactions in Ionis Pharmaceuticals Inc stock. As of the latest transaction made, Ark Investment Management LLC holds 1,025,260 shares of IONS stock, worth $34 Million. This represents 0.31% of its overall portfolio holdings.

Number of Shares

1,025,260

Previous 1,384,269 25.93%

Holding current value

$34 Million

Previous $55.5 Million 35.36%

% of portfolio

0.31%

Previous 0.53%

33 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q4 2024 Feb 04, 2025	SELL	$33.73 - $40.36 $12.1 Million - $14.5 Million	-359,009 Reduced 25.93%	1,025,260 $35.8 Million
Q3 2024 Oct 31, 2024	BUY	$40.06 - $51.86 $931,154 - $1.21 Million	23,244 Added 1.71%	1,384,269 $55.5 Million
Q2 2024 Jul 26, 2024	SELL	$36.45 - $47.7 $1.42 Million - $1.85 Million	-38,827 Reduced 2.77%	1,361,025 $64.9 Million
Q1 2024 Apr 18, 2024	SELL	$42.03 - $53.55 $21.2 Million - $27.1 Million	-505,204 Reduced 26.52%	1,399,852 $60.7 Million
Q4 2023 Jan 17, 2024	SELL	$43.39 - $51.63 $20 Million - $23.8 Million	-461,311 Reduced 19.49%	1,905,056 $96.4 Million
Q3 2023 Oct 18, 2023	SELL	$38.5 - $47.13 $2.17 Million - $2.65 Million	-56,264 Reduced 2.32%	2,366,367 $107 Million
Q2 2023 Jul 10, 2023	SELL	$34.73 - $43.33 $7.45 Million - $9.3 Million	-214,561 Reduced 8.14%	2,422,631 $99.4 Million
Q1 2023 Apr 17, 2023	SELL	$33.58 - $41.2 $1.22 Million - $1.5 Million	-36,346 Reduced 1.36%	2,637,192 $94.3 Million
Q4 2022 Jan 24, 2023	SELL	$37.12 - $46.52 $38.6 Million - $48.4 Million	-1,039,569 Reduced 28.0%	2,673,538 $0
Q3 2022 Oct 17, 2022	SELL	$36.54 - $48.66 $36.1 Million - $48.1 Million	-988,190 Reduced 21.02%	3,713,107 $164 Million
Q2 2022 Jul 11, 2022	SELL	$31.71 - $43.0 $46.6 Million - $63.2 Million	-1,470,011 Reduced 23.82%	4,701,297 $172 Million
Q1 2022 Apr 19, 2022	SELL	$29.88 - $37.04 $27.2 Million - $33.8 Million	-911,948 Reduced 12.87%	6,171,308 $229 Million
Q4 2021 Jan 28, 2022	SELL	$25.61 - $35.1 $36.6 Million - $50.1 Million	-1,428,128 Reduced 16.78%	7,083,256 $216 Million
Q3 2021 Nov 12, 2021	SELL	$33.54 - $40.55 $13.3 Million - $16.1 Million	-396,349 Reduced 4.45%	8,511,384 $285 Million
Q2 2021 Aug 05, 2021	BUY	$34.54 - $47.25 $130 Million - $178 Million	3,765,462 Added 73.23%	8,907,733 $355 Million
Q1 2021 May 13, 2021	BUY	$42.51 - $63.78 $117 Million - $175 Million	2,742,717 Added 114.3%	5,142,271 $231 Million
Q4 2020 Feb 12, 2021	BUY	$45.3 - $60.27 $85.9 Million - $114 Million	1,896,994 Added 377.47%	2,399,554 $136 Million
Q3 2020 Oct 30, 2020	BUY	$47.45 - $62.95 $7.52 Million - $9.97 Million	158,429 Added 46.04%	502,560 $23.8 Million
Q2 2020 Aug 11, 2020	BUY	$46.85 - $61.05 $10.5 Million - $13.7 Million	224,450 Added 187.54%	344,131 $20.3 Million
Q1 2020 May 14, 2020	SELL	$41.6 - $63.4 $4.01 Million - $6.11 Million	-96,344 Reduced 44.6%	119,681 $5.66 Million
Q4 2019 Jan 31, 2020	BUY	$53.85 - $65.27 $1.04 Million - $1.26 Million	19,356 Added 9.84%	216,025 $13.1 Million
Q3 2019 Nov 12, 2019	BUY	$59.06 - $72.15 $2.3 Million - $2.81 Million	38,896 Added 24.65%	196,669 $11.8 Million
Q2 2019 Jul 30, 2019	SELL	$62.09 - $86.14 $447,358 - $620,638	-7,205 Reduced 4.37%	157,773 $10.1 Million
Q1 2019 May 13, 2019	SELL	$52.92 - $81.17 $4.09 Million - $6.28 Million	-77,334 Reduced 31.92%	164,978 $13.4 Million
Q4 2018 Feb 01, 2019	BUY	$43.37 - $59.54 $563,549 - $773,662	12,994 Added 5.67%	242,312 $13.1 Million
Q3 2018 Nov 07, 2018	BUY	$42.88 - $53.7 $694,270 - $869,456	16,191 Added 7.6%	229,318 $11.8 Million
Q2 2018 Aug 07, 2018	SELL	$40.53 - $50.7 $5.62 Million - $7.04 Million	-138,778 Reduced 39.44%	213,127 $8.88 Million
Q1 2018 May 14, 2018	SELL	$44.08 - $55.05 $834,434 - $1.04 Million	-18,930 Reduced 5.1%	351,905 $15.5 Million
Q4 2017 Feb 12, 2018	BUY	$50.3 - $64.39 $6.21 Million - $7.94 Million	123,372 Added 49.85%	370,835 $18.7 Million
Q3 2017 Nov 09, 2017	BUY	$45.56 - $59.57 $3.21 Million - $4.2 Million	70,472 Added 39.82%	247,463 $12.5 Million
Q2 2017 Aug 11, 2017	BUY	N/A	49,428 Added 38.75%	176,991 $9 Million
Q1 2017 May 15, 2017	BUY	N/A	120,942 Added 1826.64%	127,563 $5.13 Million
Q4 2016 Feb 13, 2017	BUY	N/A	6,621	6,621 $317,000

Others Institutions Holding IONS

# of Institutions

411

Shares Held

136M

Call Options Held

862K

Put Options Held

617K

View Full List

About IONIS PHARMACEUTICALS INC

Ticker IONS
Exchange NASDAQ
Sector Healthcare
Industry Biotechnology
Shares Outstandng 141,940,992
Market Cap $4.71B
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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