Companies / Ionis Pharmaceuticals Inc / Activity

Activity — Ionis Pharmaceuticals Inc

165 moves.

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InsidersInstitutions
DateActorActionSecurityValueShares ΔPosition afterImpact
Q1 2026
as of
Baker Bros. Advisors LP
13F manager
AddCommon stock$19.21M+256K
+14.28%
2,047,727
1.23% of shares
medium
Q1 2026
as of
TimesSquare Capital Management, LLC
13F manager
NewCommon stock$20.70M+276K
275,674
0.17% of shares
medium
Q1 2026
as of
Atle Fund Management AB
13F manager
TrimCommon stock$-21.75M-65K
-69.83%
27,873
0.02% of shares
medium
Q1 2026
as of
Arrowstreet Capital, Limited Partnership
13F manager
TrimCommon stock$-24.44M-325K
-30.61%
737,859
0.44% of shares
medium
Q1 2026
as of
Norges Bank
13F manager
ExitCommon stock$-25.33M-320K
-100.00%
0
medium
Q2 2026
as of
TimesSquare Capital Management, LLC
13F manager
AddCommon stock$26.83M+338K
+122.75%
614,070
0.37% of shares
medium
Q2 2026
as of
State Street Corporation
13F manager
AddCommon stock$28.54M+360K
+9.06%
4,334,848
2.61% of shares
medium
Q1 2026
as of
Amundi
13F manager
TrimCommon stock$-32.81M-437K
-94.80%
23,958
0.01% of shares
medium
Q1 2026
as of
Perceptive Advisors LLC
13F manager
NewCommon stock$37.85M+504K
504,000
0.30% of shares
medium
Q4 2025
as of
Norges Bank
13F manager
TrimCommon stock$-42.57M-538K
-62.70%
320,160
0.19% of shares
medium
Q1 2026
as of
Nomura Holdings Inc
13F manager
TrimCommon stock$-55.17M-735K
-86.56%
114,080
0.07% of shares
high
Q1 2026
as of
Geode Capital Management, LLC
13F manager
AddCommon stock$64.00M+835K
+26.53%
3,984,332
2.40% of shares
high
Q1 2026
as of
Millennium Management LLC
13F manager
AddCommon stock$71.95M+958K
+1027.48%
1,051,506
0.63% of shares
high
Q1 2026
as of
Royal Bank of Canada
13F manager
AddCommon stock$201.47M+2.7M
+239.81%
3,801,815
2.29% of shares
high
Q1 2026
as of
Two Sigma Investments, LP
13F manager
AddCommon stock$240.21M+3.2M
+120.32%
5,857,629
3.52% of shares
high
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