Westfield Capital Management CO LP Ionis Pharmaceuticals Inc Transaction History
Westfield Capital Management CO LP
- $21.9 Billion
- Q3 2025
A detailed history of Westfield Capital Management CO LP transactions in Ionis Pharmaceuticals Inc stock. As of the latest transaction made, Westfield Capital Management CO LP holds 3,093 shares of IONS stock, worth $221,304. This represents 0.0% of its overall portfolio holdings.
Number of Shares
3,093Holding current value
$221,304% of portfolio
0.0%Shares
1 transactions
Others Institutions Holding IONS
# of Institutions
514Shares Held
154MCall Options Held
2.69MPut Options Held
1.03M-
Vanguard Group Inc Valley Forge, PA16.5MShares$1.18 Billion0.02% of portfolio
-
T. Rowe Price Investment Management, Inc. Baltimore, MD13.2MShares$941 Million0.53% of portfolio
-
Capital World Investors Los Angeles, CA12.7MShares$910 Million0.12% of portfolio
-
Black Rock Inc. New York, NY10.3MShares$738 Million0.01% of portfolio
-
Wellington Management Group LLP Boston, MA6.59MShares$471 Million0.08% of portfolio
About IONIS PHARMACEUTICALS INC
- Ticker IONS
- Exchange NASDAQ
- Sector Healthcare
- Industry Biotechnology
- Shares Outstandng 141,940,992
- Market Cap $10.2B
- Description
- Ionis Pharmaceuticals, Inc. discovers and develops RNA-targeted therapeutics in the United States. The company offers SPINRAZA for spinal muscular atrophy (SMA) in pediatric and adult patients; TEGSEDI, an injection for the treatment of polyneuropathy of hereditary transthyretin-mediated amyloidosis in adults; and WAYLIVRA, a treatment for famil...