Latest Institutional Sells of Ionis Pharmaceuticals Inc (IONS)
This list provides information on the latest institutional transactions involving Ionis Pharmaceuticals Inc (IONS) stock that were sells. 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 sale has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Jul 09, 2025
Q2 2025
|
Sovran Advisors, LLC
San Diego, CA |
SELL
|
- |
-6.99K- 2.13% |
$178K - $280K
|
322K
$13.8M
|
|
|
Jul 08, 2025
Q2 2025
|
Massmutual Trust CO Fsb
|
SELL
|
- |
-159- 60.69% |
$4.06K - $6.36K
|
103
$4.41K
|
|
| Q1 2025 | |||||||
|
May 15, 2025
Q1 2025
|
Marshall Wace, LLP
London, X0 |
SELL
|
- |
-803K- 98.88% |
$24.2M - $28.1M
|
9.1K
$390K
|
|
|
May 15, 2025
Q1 2025
|
State Street Corp
Boston, MA |
SELL
|
- |
-581K- 10.71% |
$17.5M - $20.3M
|
4.85M
$208M
|
|
|
May 14, 2025
Q1 2025
|
Price T Rowe Associates Inc
Baltimore, MD |
SELL
|
- |
-562K- 14.68% |
$17M - $19.6M
|
3.27M
$140M
|
|
|
May 15, 2025
Q1 2025
|
J. Goldman & CO LP
New York, NY |
SELL
|
- |
-300K- 49.34% |
$9.04M - $10.5M
|
308K
$13.2M
|
|
|
May 15, 2025
Q1 2025
|
Orbimed Advisors LLC
San Diego, CA |
SELL
|
- |
-277K- 9.84% |
$8.36M - $9.69M
|
2.54M
$109M
|
|
|
May 15, 2025
Q1 2025
|
Tweedy Browne Co.
Tweedy, Browne CO LLC | Stamford, Ct
|
SELL
|
- |
-265K- 8.17% |
$8.01M - $9.28M
|
2.98M
$128M
|
|
|
May 15, 2025
Q1 2025
|
Great Point Partners LLC
Greenwich, CT |
SELL
|
- |
-255K- 50.5% |
$7.69M - $8.92M
|
250K
$10.7M
|
|
|
May 15, 2025
Q1 2025
|
Barclays PLC
London, X0 |
SELL
|
- |
-242K- 40.62% |
$7.31M - $8.47M
|
354K
$15.2M
|
|
|
May 15, 2025
Q1 2025
|
Manufacturers Life Insurance Company, The
Toronto, A6 |
SELL
|
- |
-203K- 70.85% |
$6.12M - $7.09M
|
83.4K
$3.57M
|
|
|
May 15, 2025
Q1 2025
|
Morgan Stanley
New York, NY |
SELL
|
- |
-186K- 13.97% |
$5.6M - $6.5M
|
1.14M
$49M
|
|
|
May 13, 2025
Q1 2025
|
Tocqueville Asset Management L.P.
New York, NY |
SELL
|
- |
-165K- 46.78% |
$4.97M - $5.76M
|
187K
$8.03M
|
|
|
May 15, 2025
Q1 2025
|
Verition Fund Management LLC
Greenwich, CT |
SELL
|
- |
-148K- 73.88% |
$4.46M - $5.17M
|
52.3K
$2.24M
|
|
|
May 15, 2025
Q1 2025
|
Israel Englander
Millennium Management LLC | New York, Ny
|
SELL
|
- |
-139K- 17.93% |
$4.19M - $4.86M
|
635K
$27.2M
|
|
|
May 14, 2025
Q1 2025
|
Rhenman & Partners Asset Management Ab
Stockholm, V7 |
SELL
|
- |
-132K- 61.88% |
$3.97M - $4.6M
|
81K
$3.47M
|
|
|
May 15, 2025
Q1 2025
|
Nomura Holdings Inc
Tokyo, M0 |
SELL
|
- |
-121K- 33.82% |
$3.65M - $4.23M
|
236K
$10.1M
|
|
|
May 14, 2025
Q1 2025
|
Jane Street Group, LLC
New York, NY |
SELL
|
- |
-111K- 67.13% |
$3.33M - $3.86M
|
54.1K
$2.32M
|
|
|
May 15, 2025
Q1 2025
|
Macquarie Group LTD
Australia, C3 |
SELL
|
- |
-103K- 5.79% |
$3.09M - $3.59M
|
1.67M
$71.4M
|
|
|
May 15, 2025
Q1 2025
|
Barclays PLC
London, X0 |
SELL
|
PUT |
-89.4K- 59.6% |
$2.7M - $3.13M
|
60.6K
$2.6M
|
|
|
May 09, 2025
Q1 2025
|
Vanguard Group Inc
Valley Forge, PA |
SELL
|
- |
-88.6K- 0.54% |
$2.67M - $3.1M
|
16.4M
$702M
|
|
|
May 15, 2025
Q1 2025
|
Twin Tree Management, LP
Dallas, TX |
SELL
|
PUT |
-81.3K- 87.89% |
$2.45M - $2.84M
|
11.2K
$480K
|
|
|
May 15, 2025
Q1 2025
|
Twin Tree Management, LP
Dallas, TX |
SELL
|
- |
-77.5K- 87.19% |
$2.34M - $2.71M
|
11.4K
$488K
|
|
|
May 13, 2025
Q1 2025
|
Wells Fargo & Company
San Francisco, CA |
SELL
|
- |
-74.8K- 22.59% |
$2.26M - $2.61M
|
256K
$11M
|
|
|
May 15, 2025
Q1 2025
|
Aquatic Capital Management LLC
Chicago, IL |
SELL
|
- |
-73.9K- 32.11% |
$2.23M - $2.58M
|
156K
$6.69M
|
|
|
May 13, 2025
Q1 2025
|
Kennedy Capital Management, Inc.
St Louis, MO |
SELL
|
- |
-72.9K- 32.63% |
$2.2M - $2.55M
|
150K
$6.44M
|
|
|
May 14, 2025
Q1 2025
|
Rafferty Asset Management, LLC
New York, NY |
SELL
|
- |
-61.1K- 25.74% |
$1.84M - $2.14M
|
176K
$7.55M
|
|
|
May 15, 2025
Q1 2025
|
Van Eck Associates Corp
|
SELL
|
- |
-59.5K- 96.5% |
$1.79M - $2.08M
|
2.16K
$92.4K
|
|
|
May 13, 2025
Q1 2025
|
Russell Investments Group, Ltd.
|
SELL
|
- |
-56.4K- 90.75% |
$1.7M - $1.97M
|
5.75K
$246K
|
|
|
May 13, 2025
Q1 2025
|
Schroder Investment Management Group
London, X0 |
SELL
|
- |
-54.7K- 54.35% |
$1.65M - $1.91M
|
46K
$1.97M
|
|
|
May 14, 2025
Q1 2025
|
Susquehanna Fundamental Investments, LLC
Bala Cynwyd, PA |
SELL
|
- |
-54.4K- 25.54% |
$1.64M - $1.9M
|
159K
$6.79M
|
|
|
May 14, 2025
Q1 2025
|
Jim Simons
Renaissance Technologies LLC | New York, Ny
|
SELL
|
- |
-52K- 25.3% |
$1.57M - $1.82M
|
154K
$6.58M
|
|
|
May 14, 2025
Q1 2025
|
Artisan Partners Limited Partnership
Milwaukee, WI |
SELL
|
- |
-49.5K- 19.58% |
$1.49M - $1.73M
|
203K
$8.7M
|
|
|
May 15, 2025
Q1 2025
|
Axa S.A.
Paris, I0 |
SELL
|
- |
-38.9K- 6.42% |
$1.17M - $1.36M
|
566K
$24.3M
|
|
|
May 09, 2025
Q1 2025
|
Charles Schwab Investment Management Inc
San Francisco, CA |
SELL
|
- |
-37.8K- 2.55% |
$1.14M - $1.32M
|
1.44M
$61.8M
|
|
|
Apr 29, 2025
Q1 2025
|
Envestnet Asset Management Inc
|
SELL
|
- |
-37.6K- 71.46% |
$1.14M - $1.32M
|
15K
$644K
|
|
|
May 15, 2025
Q1 2025
|
Neos Investment Management LLC
Westport, CT |
SELL
|
- |
-31.7K- 55.77% |
$956K - $1.11M
|
25.1K
$1.08M
|
|
|
May 14, 2025
Q1 2025
|
Tema Etfs LLC
New York, NY |
SELL
|
- |
-31.7K- 55.77% |
$956K - $1.11M
|
25.1K
$1.08M
|
|
|
May 15, 2025
Q1 2025
|
Allostery Investments LP
Stamford, CT |
SELL
|
- |
-30K- 46.15% |
$905K - $1.05M
|
35K
$1.5M
|
|
|
May 15, 2025
Q1 2025
|
Voya Investment Management LLC
Atlanta, GA |
SELL
|
- |
-28.8K- 31.09% |
$868K - $1.01M
|
63.8K
$2.73M
|
|
|
Apr 14, 2025
Q1 2025
|
Gamma Investing LLC
Foster City, CA |
SELL
|
- |
-28K- 96.69% |
$846K - $980K
|
961
$41.2K
|
|
|
May 14, 2025
Q1 2025
|
Ameriprise Financial Inc
Minneapolis, MN |
SELL
|
- |
-27.3K- 7.04% |
$822K - $953K
|
360K
$15.4M
|
|
|
May 15, 2025
Q1 2025
|
Royal Bank Of Canada
Toronto, A6 |
SELL
|
- |
-27.1K- 4.22% |
$818K - $948K
|
616K
$26.4M
|
|
|
May 13, 2025
Q1 2025
|
Ubs Group Ag
|
SELL
|
- |
-27K- 1.41% |
$815K - $944K
|
1.89M
$81M
|
|
|
May 07, 2025
Q1 2025
|
Cathie Wood
Ark Investment Management LLC | St. Petersburg, Fl
|
SELL
|
- |
-24.7K- 2.41% |
$746K - $865K
|
1M
$42.9M
|
|
|
May 07, 2025
Q1 2025
|
Lpl Financial LLC
Fort Mill, SC |
SELL
|
- |
-16.4K- 40.64% |
$495K - $574K
|
24K
$1.03M
|
|
|
May 14, 2025
Q1 2025
|
Bellevue Group Ag
Kuesnacht, V8 |
SELL
|
- |
-15.5K- 0.2% |
$468K - $542K
|
7.85M
$336M
|
|
|
May 07, 2025
Q1 2025
|
Nikko Asset Management Americas, Inc.
|
SELL
|
- |
-14.2K- 9.08% |
$429K - $497K
|
142K
$6.1M
|
|
|
Apr 25, 2025
Q1 2025
|
Sumitomo Mitsui Trust Holdings, Inc.
|
SELL
|
- |
-14.2K- 9.08% |
$429K - $497K
|
142K
$6.1M
|
|
|
May 14, 2025
Q1 2025
|
Walleye Capital LLC
Plymouth, MN |
SELL
|
PUT |
-13K- 45.61% |
$392K - $455K
|
15.5K
$664K
|
|