Latest Institutional Purchases of Ionis Pharmaceuticals Inc (IONS)
This list provides information on the latest institutional transactions involving Ionis Pharmaceuticals Inc (IONS) stock that were buys. The list includes the name of the institution, the number of shares exchanged, the range of values for the transaction, and the number of shares held by the institution after the purchase has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Aug 14, 2025
Q2 2025
|
Adage Capital Partners Gp, L.L.C.
Boston, MA |
BUY
|
- |
2.72M+ 253.29% |
$69.5M - $109M
|
3.8M
$156M
|
|
|
Aug 14, 2025
Q2 2025
|
Israel Englander
Millennium Management LLC | New York, Ny
|
BUY
|
- |
2.01M+ 317.01% |
$51.4M - $80.6M
|
2.65M
$109M
|
|
|
Aug 14, 2025
Q2 2025
|
Polar Capital Holdings PLC
London, X0 |
BUY
|
- |
1MNew |
$25.5M - $40M
|
1M
$41.2M
|
|
|
Aug 14, 2025
Q2 2025
|
Balyasny Asset Management LLC
Chicago, IL |
BUY
|
- |
769KNew |
$19.6M - $30.7M
|
769K
$31.7M
|
|
|
Aug 14, 2025
Q2 2025
|
Woodline Partners LP
San Francisco, CA |
BUY
|
- |
733KNew |
$18.7M - $29.3M
|
733K
$30.2M
|
|
|
Aug 14, 2025
Q2 2025
|
David A. Siegel
Two Sigma Advisers, LP | New York, Ny
|
BUY
|
- |
576K+ 27.51% |
$14.7M - $23M
|
2.67M
$110M
|
|
|
Aug 08, 2025
Q2 2025
|
Massachusetts Financial Services CO
Boston, MA |
BUY
|
- |
519KNew |
$13.2M - $20.8M
|
519K
$21.4M
|
|
|
Aug 14, 2025
Q2 2025
|
Vestal Point Capital, LP
New York, NY |
BUY
|
- |
500KNew |
$12.8M - $20M
|
500K
$20.6M
|
|
|
Aug 14, 2025
Q2 2025
|
Voloridge Investment Management, LLC
Jupiter, FL |
BUY
|
- |
477K+ 126.57% |
$12.2M - $19.1M
|
855K
$35.2M
|
|
|
Aug 13, 2025
Q2 2025
|
Norges Bank
Oslo, Q8 |
BUY
|
- |
450KNew |
$11.5M - $18M
|
450K
$18.5M
|
|
|
Aug 11, 2025
Q2 2025
|
Great Lakes Advisors, LLC
Chicago, IL |
BUY
|
- |
400KNew |
$10.2M - $16M
|
400K
$16.5M
|
|
|
Aug 12, 2025
Q2 2025
|
American Century Companies Inc
Kansas City, MO |
BUY
|
- |
356K+ 304.86% |
$9.08M - $14.2M
|
473K
$19.5M
|
|
|
Aug 11, 2025
Q2 2025
|
Vanguard Group Inc
Valley Forge, PA |
BUY
|
- |
331K+ 2.02% |
$8.44M - $13.2M
|
16.7M
$688M
|
|
|
Aug 14, 2025
Q2 2025
|
Deep Track Capital, LP
Greenwich, CT |
BUY
|
- |
327K+ 7.17% |
$8.35M - $13.1M
|
4.89M
$201M
|
|
|
Aug 11, 2025
Q2 2025
|
Gw&K Investment Management, LLC
Boston, MA |
BUY
|
- |
267K+ 146.19% |
$6.8M - $10.7M
|
449K
$18.5M
|
|
|
Aug 14, 2025
Q2 2025
|
Great Point Partners LLC
Greenwich, CT |
BUY
|
- |
250K+ 100.0% |
$6.38M - $10M
|
500K
$20.6M
|
|
|
Aug 13, 2025
Q2 2025
|
Barclays PLC
London, X0 |
BUY
|
- |
229K+ 64.79% |
$5.85M - $9.17M
|
583K
$24M
|
|
|
Aug 14, 2025
Q2 2025
|
Bank Of America Corp
Charlotte, NC |
BUY
|
- |
228K+ 29.77% |
$5.83M - $9.14M
|
996K
$41M
|
|
|
Aug 15, 2025
Q2 2025
|
Morgan Stanley
New York, NY |
BUY
|
- |
218K+ 19.06% |
$5.56M - $8.72M
|
1.36M
$56.1M
|
|
|
Aug 14, 2025
Q2 2025
|
J. Goldman & CO LP
New York, NY |
BUY
|
PUT |
190KNew |
$4.85M - $7.6M
|
190K
$7.82M
|
|
|
Aug 14, 2025
Q2 2025
|
Royal Bank Of Canada
Toronto, A6 |
BUY
|
- |
184K+ 29.84% |
$4.69M - $7.35M
|
800K
$32.9M
|
|
|
Aug 14, 2025
Q2 2025
|
Verition Fund Management LLC
Greenwich, CT |
BUY
|
- |
180K+ 345.02% |
$4.6M - $7.22M
|
233K
$9.58M
|
|
|
Aug 13, 2025
Q2 2025
|
Capital World Investors
Los Angeles, CA |
BUY
|
- |
178K+ 1.44% |
$4.55M - $7.13M
|
12.5M
$516M
|
|
|
Aug 01, 2025
Q2 2025
|
Teacher Retirement System Of Texas
Austin, TX |
BUY
|
- |
168K+ 33.53% |
$4.28M - $6.71M
|
668K
$27.5M
|
|
|
Aug 14, 2025
Q2 2025
|
Alyeska Investment Group, L.P.
Chicago, IL |
BUY
|
- |
159KNew |
$4.06M - $6.36M
|
159K
$6.55M
|
|
|
Aug 05, 2025
Q2 2025
|
Bnp Paribas Asset Management Holding S.A.
|
BUY
|
- |
154K+ 12.91% |
$3.94M - $6.18M
|
1.35M
$55.6M
|
|
|
Aug 14, 2025
Q2 2025
|
Adar1 Capital Management, LLC
Austin, TX |
BUY
|
- |
148KNew |
$3.79M - $5.94M
|
148K
$6.11M
|
|
|
Aug 07, 2025
Q2 2025
|
Connor, Clark & Lunn Investment Management Ltd.
|
BUY
|
- |
137K+ 105.61% |
$3.48M - $5.46M
|
266K
$10.9M
|
|
|
Aug 14, 2025
Q2 2025
|
Nomura Holdings Inc
Tokyo, M0 |
BUY
|
- |
134K+ 56.64% |
$3.42M - $5.36M
|
370K
$15.3M
|
|
|
Aug 14, 2025
Q2 2025
|
Ubs Asset Management Americas Inc
Chicago, IL |
BUY
|
- |
132K+ 19.96% |
$3.36M - $5.27M
|
791K
$32.6M
|
|
|
Aug 12, 2025
Q2 2025
|
Trexquant Investment LP
Stamford, CT |
BUY
|
- |
129KNew |
$3.29M - $5.15M
|
129K
$5.31M
|
|
|
Aug 14, 2025
Q2 2025
|
Goldman Sachs Group Inc
New York, NY |
BUY
|
- |
125K+ 19.22% |
$3.2M - $5.02M
|
778K
$32M
|
|
|
Aug 13, 2025
Q2 2025
|
Jim Simons
Renaissance Technologies LLC | New York, Ny
|
BUY
|
- |
117K+ 76.34% |
$2.99M - $4.69M
|
271K
$11.1M
|
|
|
Aug 13, 2025
Q2 2025
|
Healthcare Of Ontario Pension Plan Trust Fund
Toronto, A6 |
BUY
|
- |
116KNew |
$2.96M - $4.64M
|
116K
$4.78M
|
|
|
Aug 14, 2025
Q2 2025
|
Two Sigma Investments, LP
New York, NY |
BUY
|
- |
103K+ 6.08% |
$2.62M - $4.1M
|
1.79M
$73.6M
|
|
|
Aug 13, 2025
Q2 2025
|
Rhenman & Partners Asset Management Ab
Stockholm, V7 |
BUY
|
- |
101K+ 124.69% |
$2.58M - $4.04M
|
182K
$7.49M
|
|
|
Aug 14, 2025
Q2 2025
|
Superstring Capital Management LP
New York, NY |
BUY
|
- |
98.3KNew |
$2.51M - $3.93M
|
98.3K
$4.05M
|
|
|
Aug 14, 2025
Q2 2025
|
Susquehanna Portfolio Strategies, LLC
Bala Cynwyd, PA |
BUY
|
- |
92.9KNew |
$2.37M - $3.72M
|
92.9K
$3.83M
|
|
|
Aug 13, 2025
Q2 2025
|
Groupama Asset Managment
Paris, I0 |
BUY
|
- |
91.7K+ 8.58% |
$2.34M - $3.67M
|
1.16M
$47.8M
|
|
|
Aug 14, 2025
Q2 2025
|
Worldquant Millennium Advisors LLC
New York, NY |
BUY
|
- |
74.4KNew |
$1.9M - $2.98M
|
74.4K
$3.07M
|
|
|
Aug 12, 2025
Q2 2025
|
Edmond De Rothschild Holding S.A.
Chambesy, V8 |
BUY
|
- |
73.4K+ 59.1% |
$1.87M - $2.94M
|
198K
$8.14M
|
|
|
Aug 14, 2025
Q2 2025
|
Eversept Partners, LP
New York, NY |
BUY
|
- |
71.9K+ 13.9% |
$1.83M - $2.88M
|
589K
$24.3M
|
|
|
Aug 14, 2025
Q2 2025
|
Van Eck Associates Corp
|
BUY
|
- |
71.5K+ 3312.93% |
$1.82M - $2.86M
|
73.6K
$3.03M
|
|
|
Aug 12, 2025
Q2 2025
|
Legal & General Group PLC
London, X0 |
BUY
|
- |
65.9K+ 19.47% |
$1.68M - $2.64M
|
404K
$16.7M
|
|
|
Aug 14, 2025
Q2 2025
|
Raymond James Financial Inc
St. Petersburg, FL |
BUY
|
- |
61.9K+ 41.63% |
$1.58M - $2.48M
|
211K
$8.67M
|
|
|
Aug 14, 2025
Q2 2025
|
Barclays PLC
London, X0 |
BUY
|
PUT |
60.6KNew |
$1.55M - $2.42M
|
60.6K
$2.5M
|
|
|
Aug 13, 2025
Q2 2025
|
First Trust Advisors LP
Wheaton, IL |
BUY
|
- |
56.5KNew |
$1.44M - $2.26M
|
56.5K
$2.33M
|
|
|
Aug 06, 2025
Q2 2025
|
C World Wide Group Holding A
|
BUY
|
- |
50K+ 12.5% |
$1.28M - $2M
|
450K
$18.5M
|
|
|
Aug 08, 2025
Q2 2025
|
Geode Capital Management, LLC
Boston, MA |
BUY
|
- |
48.1K+ 1.69% |
$1.23M - $1.93M
|
2.89M
$119M
|
|
|
Aug 12, 2025
Q2 2025
|
Charles Schwab Investment Management Inc
San Francisco, CA |
BUY
|
- |
44.2K+ 3.06% |
$1.13M - $1.77M
|
1.49M
$61.3M
|