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 1,399,852 shares of IONS stock, worth $52.2 Million. This represents 0.43% of its overall portfolio holdings.

Number of Shares
1,399,852
Previous 1,905,056 26.52%
Holding current value
$52.2 Million
Previous $96.4 Million 37.04%
% of portfolio
0.43%
Previous 0.58%

Shares

30 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
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

About IONIS PHARMACEUTICALS INC


  • Ticker IONS
  • Exchange NASDAQ
  • Sector Healthcare
  • Industry Biotechnology
  • Shares Outstandng 141,940,992
  • Market Cap $5.3B
  • 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
Track Cathie Wood's Portfolio

Track Cathie Wood Portfolio

Follow Cathie Wood (Ark Investment Management LLC) and customize your updates to receive the information that matters most to you.

Portfolio Update

Get notified when there are updates to the investment portfolio of Ark Investment Management LLC, based on Form 13F filings with the SEC.

News

Stay updated on Ark Investment Management LLC and Cathie Wood with notifications on news.