13D/13G Filings - IONIS PHARMACEUTICALS INC (IONS)

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Reported
DateTime
Transaction
Date
Type Company
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev Report View
2025-04-17
09:35 am
Purchase
2025-03-31 13G Ionis Pharmaceuticals, Inc.
IONS
BLACKROCK INC
BLK
9,066,517
5.700%
9,235increase
(+0.10%)
Filing
History
2025-02-13
4:53 pm
Purchase
2024-12-31 13G Ionis Pharmaceuticals, Inc.
IONS
Capital World Investors 11,465,413
7.300%
11,465,413increase
(New Position)
Filing
History
2025-02-07
11:55 am
Purchase
2025-01-31 13G Ionis Pharmaceuticals, Inc.
IONS
T. Rowe Price Investment Management, Inc. 15,851,863
10.000%
1,683,747increase
(+11.88%)
Filing
History
2025-01-08
11:29 am
Purchase
2024-12-31 13G Ionis Pharmaceuticals, Inc.
IONS
The Vanguard Group 16,472,539
10.430%
2,269,058increase
(+15.98%)
Filing
History
2024-11-14
8:34 pm
Sale
2024-09-30 13G Ionis Pharmaceuticals, Inc.
IONS
BB BIOTECH AG 7,850,000
5.000%
-740,000decrease
(-8.61%)
Filing
History
2024-11-14
1:28 pm
Purchase
2024-09-30 13G Ionis Pharmaceuticals, Inc.
IONS
T. Rowe Price Investment Management, Inc. 14,168,116
9.000%
966,663increase
(+7.32%)
Filing
History
2024-11-08
10:52 am
Purchase
2024-09-30 13G Ionis Pharmaceuticals, Inc.
IONS
WELLINGTON MANAGEMENT CO LLP 9,067,836
5.760%
2,319,282increase
(+34.37%)
Filing
History
2024-02-14
10:04 am
Purchase
2023-12-31 13G Ionis Pharmaceuticals, Inc.
IONS
T. Rowe Price Investment Management, Inc. 13,201,453
9.200%
1,523,194increase
(+13.04%)
Filing
History
2024-02-13
5:07 pm
Sale
2023-12-29 13G Ionis Pharmaceuticals, Inc.
IONS
The Vanguard Group 14,203,481
9.900%
-211,436decrease
(-1.47%)
Filing
History
2024-02-13
06:09 am
Sale
2023-12-31 13G Ionis Pharmaceuticals, Inc.
IONS
BB BIOTECH AG 8,590,000
6.000%
-1,045,000decrease
(-10.85%)
Filing
History
2024-02-09
09:16 am
Purchase
2024-02-08 13G Ionis Pharmaceuticals, Inc.
IONS
FMR CORP 21,520,872
15.000%
213,353increase
(+1.00%)
Filing
History
2024-01-26
4:25 pm
Sale
2023-12-31 13G Ionis Pharmaceuticals, Inc.
IONS
BLACKROCK INC
BLK
9,057,282
6.300%
-125,629decrease
(-1.37%)
Filing
History
2023-06-09
2:15 pm
Purchase
2023-05-31 13G Ionis Pharmaceuticals, Inc.
IONS
The Vanguard Group 14,414,917
10.070%
868,223increase
(+6.41%)
Filing
History
2023-02-14
4:07 pm
Sale
2022-12-31 13G Ionis Pharmaceuticals, Inc.
IONS
BB BIOTECH AG 9,635,000
6.800%
-597,973decrease
(-5.84%)
Filing
History
2023-02-14
12:40 pm
Purchase
2022-12-31 13G Ionis Pharmaceuticals, Inc.
IONS
T. Rowe Price Investment Management, Inc. 11,678,259
8.200%
11,678,259increase
(New Position)
Filing
History
2023-02-09
11:22 am
Purchase
2022-12-30 13G Ionis Pharmaceuticals, Inc.
IONS
The Vanguard Group 13,546,694
9.540%
1,539,618increase
(+12.82%)
Filing
History
2023-02-09
11:18 am
Purchase
2023-02-09 13G Ionis Pharmaceuticals, Inc.
IONS
FMR CORP 21,307,519
14.999%
126,017increase
(+0.59%)
Filing
History
2023-01-31
5:52 pm
Purchase
2022-12-31 13G Ionis Pharmaceuticals, Inc.
IONS
BLACKROCK INC
BLK
9,182,911
6.500%
643,629increase
(+7.54%)
Filing
History
2022-08-10
2:56 pm
Sale
2022-07-31 13G Ionis Pharmaceuticals, Inc.
IONS
PRICE T ROWE ASSOCIATES INC 4,808,770
3.300%
-9,541,690decrease
(-66.49%)
Filing
History
2022-04-11
11:13 am
Purchase
2022-03-31 13G Ionis Pharmaceuticals, Inc.
IONS
PRICE T ROWE ASSOCIATES INC 14,350,460
10.100%
1,860,180increase
(+14.89%)
Filing
History
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