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EFM
E Fund Management’s
Ionis Pharmaceuticals
IONS
Stock Holding History
E Fund Management’s Portfolio
IONS Stock Details
IONS Fund Activity
Bought
Maintained
Sold
Shares
Quarter
Market Value
Status
Shares
Change in
Stake
Trade Value
Portfolio Weight
Portfolio Position
2026
Q1
$3.51M
Buy
+46,688
New
+$3.68M
0.1%
104
2025
Q2
$638K
Sell
16,160
-311
-2%
-$10.2K
0.03%
202
2025
Q1
$497K
Sell
16,471
-397
-2%
-$13K
0.02%
226
2024
Q4
$590K
Buy
16,868
+4,116
+32%
+$154K
0.03%
204
2024
Q3
$511K
Buy
12,752
+2,497
+24%
+$116K
0.03%
194
2024
Q2
$489K
Buy
10,255
+430
+4%
+$17.6K
0.03%
179
2024
Q1
$426K
Sell
9,825
-40
-0.4%
-$1.91K
0.03%
192
2023
Q4
$499K
Sell
9,865
-1,231
-11%
-$59K
0.03%
169
2023
Q3
$503K
Buy
11,096
+108
+1%
+$4.46K
0.04%
121
2023
Q2
$451K
Sell
10,988
-384
-3%
-$14.8K
0.04%
129
2023
Q1
$406K
Buy
11,372
+100
+0.9%
+$3.75K
0.03%
162
2022
Q4
$426K
Buy
11,272
+1,102
+11%
+$46.4K
0.04%
168
2022
Q3
$450K
Sell
10,170
-2,427
-19%
-$102K
0.04%
143
2022
Q2
$466K
Buy
12,597
+4,263
+51%
+$161K
0.04%
157
2022
Q1
$309K
Buy
+8,334
New
+$273K
0.01%
188
Other funds holding IONS
Fidelity Investments
Boston, Massachusetts
$1.9T AUM
41.92%
1-Year Est. Return
Capital World Investors
Los Angeles, California
$733B AUM
35.63%
1-Year Est. Return
BlackRock
New York
$5.7T AUM
30.48%
1-Year Est. Return
VPM
Vanguard Portfolio Management
Malvern, Pennsylvania
$1.91T AUM
VCM
Vanguard Capital Management
Malvern, Pennsylvania
$4.04T AUM
Wellington Management Group
Boston, Massachusetts
$535B AUM
26.23%
1-Year Est. Return
T. Rowe Price Investment Management
Baltimore, Maryland
$145B AUM
22.78%
1-Year Est. Return
Two Sigma Investments
New York
$121B AUM
33.93%
1-Year Est. Return
Geode Capital Management
Boston, Massachusetts
$1.61T AUM
30.72%
1-Year Est. Return
State Street
Boston, Massachusetts
$2.9T AUM
29.55%
1-Year Est. Return
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Fund Insights
Common Fund Bets
See what stocks and ETFs funds are collectively bullish/bearish on
Largest Fund Trades
Explore the largest stock and ETF buys and sells made by funds
High Conviction Trades
Discover high conviction trades that caused a significant change in a fund's stake in a stock
Fund Manager Portfolios
Gain insights from the world’s largest funds and super investors
WSR Indexes
Fund Manager Index
Stock index based on fund manager consensus updated each quarter
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