Security key
462222100
IONIS PHARMACEUTICALS INC - COMMON STOCK (IONS)
CUSIP: 462222100
Q4 2024 13F Holders as of 31 Dec 2024
- Security type / class
- Equity / COMMON STOCK
- Shares outstanding
- 166,460,189
- Total 13F shares
- 160,366,928
- Share change
- +2,758,088
- Total reported value
- $5,606,135,985
- Put/Call ratio
- 124%
- Reported price per share
- $34.96
- Number of holders
- 348
- Value change
- +$73,787,817
- Number of buys
- 159
- Number of sells
- 167
Security identity
Holder snapshot
Report period
Q4 2024
Institutions
348
Top holders
10
IONS full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2025
Previous quarter: Q3 2024
IONIS PHARMACEUTICALS INC SEC filings
IONIS PHARMACEUTICALS INC company facts
Broader feeds
Reporting periods
Holder history for CUSIP 462222100
Recent filing periods:
Ownership snapshot
Top shareholders of IONS - IONIS PHARMACEUTICALS INC - COMMON STOCK (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Lead holder
FMR LLC
13D/G signal
—
Evidence rows
50
Latest as of
30 Sep 2024
Rank 1 holder
FMR LLC
13F
- Ownership
- 14%
- Position
- $900.53M
Rank 2 holder
VANGUARD GROUP INC
13F
- Ownership
- 9%
- Position
- $603.13M
Rank 3 holder
T. Rowe Price Investment Management, Inc.
13F
- Ownership
- 8.5%
- Position
- $567.58M
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| FMR LLC |
13F
Company
|
14%
|
$900,529,932
22,479,529 shares
|
— | 30 Sep 2024 |
| VANGUARD GROUP INC |
13F
Company
|
9%
|
$603,133,666
15,055,758 shares
|
— | 30 Sep 2024 |
| T. Rowe Price Investment Management, Inc. |
13F
Company
|
8.5%
|
$567,575,000
14,168,116 shares
|
— | 30 Sep 2024 |
| BlackRock, Inc. |
13F
Company
|
6.5%
|
$433,169,702
10,813,023 shares
|
— | 30 Sep 2024 |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
Company
|
5.2%
|
$349,955,627
8,735,787 shares
|
— | 30 Sep 2024 |
| Bellevue Group AG |
13F
Company
|
4.7%
|
$315,448,464
7,874,400 shares
|
— | 30 Sep 2024 |
| Capital World Investors |
13F
Company
|
4.7%
|
$313,604,582
7,828,372 shares
|
— | 30 Sep 2024 |
| STATE STREET CORP |
13F
Company
|
2.9%
|
$194,296,488
4,850,137 shares
|
— | 30 Sep 2024 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q4 2024
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
348
Shares
160,366,928
Rows loaded
350
| Investor | Option | Weight % | Change % | Reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* Reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that failed the local validity check.
Compare Q4 2024 vs Q3 2024 Across Filers
Q3 2024 holders
348
Q4 2024 holders
348
Holder diff
0
| Investor | Q3 2024 Shares | Q4 2024 Shares | Share Diff | Share Chg % | Q3 2024 value | Q4 2024 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend