2026-07-10
No AI summary for this filing type
View Full Filing (SEC EDGAR)IONS
Ionis Pharmaceuticals INC
-$498.5M
Net Activity
Institutions Holding
495
Popularity Rank
#1119
Avg Weight
0.23%
Total Value
$13.2B
Ownership Trend
495 institutions currently hold IONS, with 248 net buyers and 225 net sellers this quarter.
Institutional Moves
Institutional Moves (Q1 2026)
Neutral
Based on recent trading activity
Net Selling Institutions
225
Net Buying Institutions
248
Key Holders
Key Holders
Top 5 by Value
Quarterly Activity
Recent Activity
+$8.8B
Total Buy Value
$4.6B
Total Sell Value
New buy63
Trim154
Add185
Sold out71
248
Net Buyers
225
Net Sellers
Insider Trading (Form 4)
Form 144 Pre-Sale Notices
10
Filings (90d)
$18.08M
Total Est. Value
226K shares
Planned Shares
Last Filed 2026-07-07
| Filer | Filing Date | Est. Value |
|---|---|---|
| Kordasiewicz Holly B. | 2026-07-07 | $108K |
| Diaz Allene M. | 2026-07-07 | $864K |
| BENNETT C FRANK | 2026-07-07 | $5.72M |
| KLEIN JOSEPH III | 2026-07-01 | $910K |
| Schneider Eugene | 2026-06-26 | $3.88M |
| Baroldi Mariana | 2026-06-26 | $452K |
| O'NEIL PATRICK R. | 2026-06-26 | $246K |
| Swayze Eric | 2026-06-25 | $839K |
| BERTHELSEN SPENCER R | 2026-06-15 | $588K |
| Kordasiewicz Holly B. | 2026-06-12 | $4.47M |
Form 144 is a planned sale notice, not an executed transaction. Form 144 Tracker。
Beneficial Ownership (13D/13G)
No Schedule 13D/13G filings for this ticker
Material Events (8-K)
2
Filings (14d)
Data as of 2026-07-10
2026-07-09
No AI summary for this filing type
View Full Filing (SEC EDGAR)FAQ
Who are the top institutional investors holding IONIS PHARMACEUTICALS INC (IONS)?
Major stakeholders currently include FMR LLC ($1.8B), Capital World Investors ($1.6B), BlackRock, Inc. ($784.1M). Based on the latest 13F filings, there are a total of 495 tracked investment funds and institutions maintaining positions in IONS.
What is the overall institutional sentiment toward IONS recently?
Institutional sentiment appears Bearish (Net Selling). During the most recent reporting quarter, the stock experienced a net outflow of $498.5M, driven by 248 managers accumulating shares while 225 reduced their exposure.
Which institutions have been selling or reducing their IONS positions?
In the latest period, 154 funds trimmed their holdings, and 71 managers completely exited their positions. The aggregate reported sell value was $4.6B.
Are there any notable investors adding IONS to their portfolios?
Yes, buying activity remains notable. 63 institutions opened new positions in {ticker}, and 185 existing holders added to their shares. The total reported buy value for the quarter amounted to $8.8B.
Related Stocks
Same Sector
Other stocks in the same GICS sector
JNJ
Johnson & Johnson
Institutions Holding
4,603
Total reported value
$438.8B
433 institutions currently hold both IONS and this stock
View detail
LLY
Eli Lilly & Co
Institutions Holding
4,337
Total reported value
$730.5B
450 institutions currently hold both IONS and this stock
View detail
ABBV
Abbvie INC
Institutions Holding
4,024
Total reported value
$283.9B
421 institutions currently hold both IONS and this stock
View detail
Trending Institutional Adds
The most-added stocks by 13F institutions this quarter
MSFT
Microsoft CORP
Institutions Holding
6,150
Total reported value
$2.1T
3245 13F institutions increased their position this quarter
View detail
AMZN
Amazon.com INC
Institutions Holding
5,957
Total reported value
$1.5T
3028 13F institutions increased their position this quarter
View detail
NVDA
Nvidia CORP
Institutions Holding
5,764
Total reported value
$3.0T
2743 13F institutions increased their position this quarter
View detail