Purchases and Sales Made in Q2 2025 in Ionis Pharmaceuticals Inc (IONS)
This table provides information about the institutional ownership of Ionis Pharmaceuticals Inc (IONS) during Q2 2025. The information is specifically focused on institutions that hold shares of IONIS PHARMACEUTICALS INC.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Aug 13, 2025
Q2 2025
|
Jones Financial Companies Lllp
|
SELL
|
- |
-6.54K- 47.61% |
$167K - $262K
|
7.2K
$296K
|
|
|
Aug 12, 2025
Q2 2025
|
Rhumbline Advisers
Boston, MA |
SELL
|
- |
-6.62K- 3.52% |
$169K - $265K
|
182K
$7.48M
|
|
|
Jul 09, 2025
Q2 2025
|
Sovran Advisors, LLC
San Diego, CA |
SELL
|
- |
-6.99K- 2.13% |
$178K - $280K
|
322K
$13.3M
|
|
|
Aug 14, 2025
Q2 2025
|
Tower Research Capital LLC (Trc)
New York, NY |
SELL
|
- |
-8.29K- 83.99% |
$212K - $332K
|
1.58K
$65.1K
|
|
|
Aug 14, 2025
Q2 2025
|
Ubs Oconnor LLC
Chicago, IL |
SELL
|
- |
-9.53K- 10.5% |
$243K - $381K
|
81.3K
$3.35M
|
|
|
Aug 13, 2025
Q2 2025
|
Pictet Asset Management Holding Sa
Carouge, V8 |
SELL
|
- |
-9.91K- 1.6% |
$253K - $396K
|
609K
$25.1M
|
|
|
Aug 14, 2025
Q2 2025
|
State Of Wisconsin Investment Board
Madison, WI |
SELL
|
- |
-11.6K- 10.73% |
$296K - $465K
|
96.7K
$3.98M
|
|
|
Aug 14, 2025
Q2 2025
|
Exome Asset Management LLC
New York, NY |
SELL
|
- |
-14.5K- 10.69% |
$370K - $580K
|
121K
$4.99M
|
|
|
Aug 14, 2025
Q2 2025
|
Summit Tx Capital, L.P.
Fort Worth, TX |
SELL
|
- |
-18K- 51.15% |
$458K - $718K
|
17.1K
$706K
|
|
|
Aug 13, 2025
Q2 2025
|
Kennedy Capital Management, Inc.
St Louis, MO |
SELL
|
- |
-18.4K- 12.22% |
$469K - $735K
|
132K
$5.44M
|
|
|
Aug 13, 2025
Q2 2025
|
Northern Trust Corp
Chicago, IL |
SELL
|
- |
-20.6K- 2.47% |
$525K - $824K
|
814K
$33.5M
|
|
|
Aug 05, 2025
Q2 2025
|
Simplex Trading, LLC
|
SELL
|
- |
-24.9K- 38.62% |
$636K - $998K
|
39.6K
$1.63M
|
|
|
Aug 13, 2025
Q2 2025
|
Granite Investment Partners, LLC
|
SELL
|
- |
-25.3K- 36.9% |
$644K - $1.01M
|
43.2K
$1.78M
|
|
|
Aug 13, 2025
Q2 2025
|
Capital Fund Management S.A.
Paris, I0 |
SELL
|
- |
-26.8K- 46.19% |
$684K - $1.07M
|
31.2K
$1.29M
|
|
|
Aug 13, 2025
Q2 2025
|
Walleye Capital LLC
Plymouth, MN |
SELL
|
- |
-28.5K- 30.01% |
$727K - $1.14M
|
66.5K
$2.74M
|
|
|
Aug 14, 2025
Q2 2025
|
Rafferty Asset Management, LLC
New York, NY |
SELL
|
- |
-31.5K- 17.86% |
$803K - $1.26M
|
145K
$5.96M
|
|
|
Aug 14, 2025
Q2 2025
|
Point72 (Difc) LTD
Dubai, C0 |
SELL
|
- |
-33.3K- 80.44% |
$848K - $1.33M
|
8.09K
$333K
|
|
|
Jul 24, 2025
Q2 2025
|
Abrdn PLC
|
SELL
|
- |
-39.5K- 8.85% |
$1.01M - $1.58M
|
407K
$16.7M
|
|
|
Aug 14, 2025
Q2 2025
|
Pdt Partners, LLC
New York, NY |
SELL
|
- |
-41.7K- 43.4% |
$1.06M - $1.67M
|
54.4K
$2.24M
|
|
|
Aug 14, 2025
Q2 2025
|
Wells Fargo & Company
San Francisco, CA |
SELL
|
- |
-46.4K- 18.1% |
$1.18M - $1.86M
|
210K
$8.64M
|
|
|
Aug 14, 2025
Q2 2025
|
Alliancebernstein L.P.
New York, NY |
SELL
|
- |
-48.7K- 48.33% |
$1.24M - $1.95M
|
52.1K
$2.14M
|
|
|
Aug 12, 2025
Q2 2025
|
Nuveen, LLC
Charlotte, NC |
SELL
|
- |
-63.7K- 20.63% |
$1.62M - $2.55M
|
245K
$10.1M
|
|
|
Aug 13, 2025
Q2 2025
|
Jump Financial, LLC
Chicago, IL |
SELL
|
- |
-72.3K- 88.91% |
$1.84M - $2.89M
|
9.02K
$371K
|
|
|
Aug 11, 2025
Q2 2025
|
Citigroup Inc
|
SELL
|
- |
-85.5K- 20.05% |
$2.18M - $3.42M
|
341K
$14M
|
|
|
Jul 29, 2025
Q2 2025
|
Tweedy Browne Co.
Tweedy, Browne CO LLC | Stamford, Ct
|
SELL
|
- |
-91.6K- 3.07% |
$2.34M - $3.66M
|
2.89M
$119M
|
|
|
Jul 30, 2025
Q2 2025
|
Cathie Wood
Ark Investment Management LLC | St. Petersburg, Fl
|
SELL
|
- |
-100K- 10.02% |
$2.56M - $4.01M
|
900K
$37.1M
|
|
|
Aug 14, 2025
Q2 2025
|
Schonfeld Strategic Advisors LLC
New York, NY |
SELL
|
- |
-111K- 19.84% |
$2.84M - $4.45M
|
449K
$18.5M
|
|
|
Aug 04, 2025
Q2 2025
|
Pinnacle Associates LTD
|
SELL
|
- |
-114K- 18.73% |
$2.91M - $4.56M
|
495K
$20.4M
|
|
|
Aug 14, 2025
Q2 2025
|
T. Rowe Price Investment Management, Inc.
Baltimore, MD |
SELL
|
- |
-127K- 0.78% |
$3.23M - $5.07M
|
16M
$661M
|
|
|
Aug 14, 2025
Q2 2025
|
Price T Rowe Associates Inc
Baltimore, MD |
SELL
|
- |
-139K- 4.26% |
$3.54M - $5.56M
|
3.13M
$129M
|
|
|
Aug 14, 2025
Q2 2025
|
J. Goldman & CO LP
New York, NY |
SELL
|
- |
-160K- 52.02% |
$4.08M - $6.4M
|
148K
$6.08M
|
|
|
Aug 14, 2025
Q2 2025
|
Squarepoint Ops LLC
New York, NY |
SELL
|
- |
-171K- 55.99% |
$4.36M - $6.84M
|
134K
$5.53M
|
|
|
Aug 14, 2025
Q2 2025
|
Macquarie Group LTD
Australia, C3 |
SELL
|
- |
-233K- 13.98% |
$5.95M - $9.32M
|
1.43M
$59.1M
|
|
|
Aug 08, 2025
Q2 2025
|
Candriam S.C.A.
|
SELL
|
- |
-269K- 27.07% |
$6.86M - $10.8M
|
725K
$29.8M
|
|
|
Aug 05, 2025
Q2 2025
|
Bank Of Montreal
Toronto, A6 |
SELL
|
- |
-300K- 38.26% |
$7.64M - $12M
|
483K
$19.9M
|
|
|
Aug 14, 2025
Q2 2025
|
Hudson Bay Capital Management LP
Greenwich, CT |
SELL
|
- |
-300K- 28.56% |
$7.65M - $12M
|
750K
$30.9M
|
|
|
Aug 14, 2025
Q2 2025
|
State Street Corp
Boston, MA |
SELL
|
- |
-315K- 6.5% |
$8.03M - $12.6M
|
4.53M
$187M
|
|
|
Aug 14, 2025
Q2 2025
|
Ubs Group Ag
|
SELL
|
- |
-361K- 19.11% |
$9.22M - $14.5M
|
1.53M
$63M
|
|
|
Aug 13, 2025
Q2 2025
|
Invesco Ltd.
Atlanta, GA |
SELL
|
- |
-619K- 70.71% |
$15.8M - $24.7M
|
256K
$10.6M
|
|
|
Aug 14, 2025
Q2 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
SELL
|
- |
-1.99M- 57.04% |
$50.6M - $79.4M
|
1.49M
$61.6M
|
|
|
Aug 14, 2025
Q2 2025
|
Wellington Management Group LLP
Boston, MA |
SELL
|
- |
-2.07M- 24.6% |
$52.8M - $82.8M
|
6.35M
$261M
|