As of the latest SEC filings, IONIS PHARMACEUTICALS INC (IONS) is held by 448 institutional funds. The largest fund shareholder is Fidelity Growth Company Fund (FGCKX), holding an estimated $658,234,835.25 in market value, representing 0.80% of its portfolio.
Funds holding IONIS PHARMACEUTICALS INC (IONS)
Source: SEC Form N-PORT institutional portfolio disclosures
- Ticker:
- IONS
- CIK:
- 0000874015
| Fund | Type | Manager | Weight | Market Value | Shares |
Report Date
|
Filing Date
|
|---|---|---|---|---|---|---|---|
|
FGCKX
Fidelity Growth Company Fund
|
MF | Fidelity | 0.80% | $658,234,835.25 | 8,111,335 | Feb 28, 2026 | Apr 24, 2026 |
|
AGTHX
Growth Fund of America
|
MF | Capital Group / American Funds | 0.19% | $622,311,353.25 | 7,668,655 | Feb 28, 2026 | Apr 27, 2026 |
|
CNGAX
New Economy Fund
|
MF | Independent / Boutique | 0.85% | $383,336,532.30 | 4,723,802 | Feb 28, 2026 | Apr 27, 2026 |
|
VTI
VANGUARD TOTAL STOCK MARKET INDEX FUND
|
ETF | Vanguard | 0.02% | $375,085,137.69 | 4,995,141 | Mar 31, 2026 | May 28, 2026 |
|
SMCWX
SMALLCAP World Fund Inc
|
MF | Independent / Boutique | 0.41% | $334,762,108.05 | 4,458,145 | Mar 31, 2026 | May 28, 2026 |
|
VGHAX
VANGUARD HEALTH CARE FUND
|
MF | Vanguard | 0.77% | $284,325,811.56 | 3,803,181 | Apr 30, 2026 | Jun 26, 2026 |
|
NAESX
VANGUARD SMALL-CAP INDEX FUND
|
ETF | Vanguard | 0.17% | $271,708,734.69 | 3,618,441 | Mar 31, 2026 | May 28, 2026 |
|
PAMCX
T. Rowe Price Mid-Cap Growth Fund, Inc.
|
MF | T. Rowe Price | 0.92% | $207,299,986.83 | 2,760,687 | Mar 31, 2026 | May 28, 2026 |
|
FGKFX
Fidelity Growth Company K6 Fund
|
MF | Fidelity | 0.81% | $187,903,068.45 | 2,315,503 | Feb 28, 2026 | Apr 24, 2026 |
|
FCGSX
Fidelity Series Growth Company Fund
|
MF | Fidelity | 0.80% | $170,137,223.55 | 2,096,577 | Feb 28, 2026 | Apr 24, 2026 |
|
VISGX
VANGUARD SMALL-CAP GROWTH INDEX FUND
|
ETF | Vanguard | 0.39% | $152,089,839.06 | 2,025,434 | Mar 31, 2026 | May 28, 2026 |
|
VEMPX
VANGUARD EXTENDED MARKET INDEX FUND
|
ETF | Vanguard | 0.17% | $135,775,635.48 | 1,808,172 | Mar 31, 2026 | May 28, 2026 |
|
TBGVX
Tweedy, Browne International Value Fund
|
MF | Independent / Boutique | 3.17% | $130,891,256.25 | 1,743,125 | Mar 31, 2026 | May 21, 2026 |
|
-
Growth Fund
|
ETF | Capital Group / American Funds | 0.25% | $125,768,241.00 | 1,674,900 | Mar 31, 2026 | May 28, 2026 |
|
IBB
iShares Biotechnology ETF
|
ETF | BlackRock / iShares | 1.11% | $90,524,674.41 | 1,205,549 | Mar 31, 2026 | May 28, 2026 |
|
VEXPX
VANGUARD EXPLORER FUND
|
MF | Vanguard | 0.41% | $89,406,306.36 | 1,195,911 | Apr 30, 2026 | Jun 26, 2026 |
|
CGGR
Capital Group Growth ETF
|
ETF | Independent / Boutique | 0.42% | $85,538,105.10 | 1,054,074 | Feb 28, 2026 | Apr 28, 2026 |
|
XBI
State Street(R) SPDR(R) S&P(R) Biotech ETF
|
ETF | State Street (SPDR) | 1.14% | $85,069,911.54 | 1,132,906 | Mar 31, 2026 | May 28, 2026 |
|
IWP
iShares Russell Mid-Cap Growth ETF
|
ETF | BlackRock / iShares | 0.40% | $74,182,687.53 | 987,917 | Mar 31, 2026 | May 28, 2026 |
|
TWCIX
Select Fund
|
MF | American Century | 1.12% | $71,919,120.00 | 962,000 | Apr 30, 2026 | Jun 26, 2026 |
|
FSMAX
Fidelity Extended Market Index Fund
|
MF | Fidelity | 0.17% | $68,739,973.95 | 847,073 | Feb 28, 2026 | Apr 24, 2026 |
|
PRHSX
T. Rowe Price Health Sciences Fund, Inc.
|
MF | T. Rowe Price | 0.61% | $66,291,179.07 | 882,823 | Mar 31, 2026 | May 28, 2026 |
|
SCHA
Schwab U.S. Small-Cap ETF
|
ETF | Charles Schwab | 0.31% | $63,790,392.00 | 786,080 | Feb 28, 2026 | Apr 24, 2026 |
|
OSGIX
JPMorgan Mid Cap Growth Fund
|
MF | JPMorgan | 0.53% | $60,573,000.48 | 806,672 | Mar 31, 2026 | May 29, 2026 |
|
FKDNX
Franklin Dynatech Fund
|
MF | Franklin Templeton | 0.24% | $60,072,000.00 | 800,000 | Mar 31, 2026 | May 27, 2026 |
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