MFAM
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Motley Fool Asset Management’s Alnylam Pharmaceuticals ALNY Stock Holding History

Motley Fool Asset Management’s Portfolio ALNY Stock Details ALNY Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$2.76M Sell
9,170
-1,322
-13% -$399K 0.11% 131
2026
Q1 		$3.47M Sell
10,492
-2,034
-16% -$692K 0.15% 115
2025
Q4 		$4.98M Buy
12,526
+3,480
+38% +$1.54M 0.19% 113
2025
Q3 		$4.12M Buy
9,046
+2,394
+36% +$975K 0.17% 112
2025
Q2 		$2.17M Buy
6,652
+623
+10% +$172K 0.1% 148
2025
Q1 		$1.63M Buy
6,029
+4,130
+217% +$1.06M 0.09% 151
2024
Q4 		$447K Buy
1,899
+139
+8% +$36.6K 0.02% 178
2024
Q3 		$486K Sell
1,760
-130
-7% -$33.8K 0.03% 165
2024
Q2 		$460K Sell
1,890
-70
-4% -$11.1K 0.03% 167
2024
Q1 		$293K Sell
1,960
-75
-4% -$12.5K 0.02% 199
2023
Q4 		$390K Sell
2,035
-196
-9% -$33.4K 0.03% 181
2023
Q3 		$395K Sell
2,231
-48
-2% -$9.16K 0.03% 181
2023
Q2 		$433K Buy
+2,279
New +$452K 0.04% 172
2023
Q1 		– Sell
-2,181
Closed -$518K – 115
2022
Q4 		$518K Sell
2,181
-198
-8% -$42.2K 0.06% 162
2022
Q3 		$476K Sell
2,379
-54
-2% -$10.3K 0.05% 170
2022
Q2 		$367K Buy
2,433
+9
+0.4% +$1.28K 0.03% 181
2022
Q1 		$396K Buy
2,424
+2,368
+4,229% +$361K 0.03% 175
2021
Q4 		$9K Buy
+56
New +$10.4K ﹤0.01% 188

Other funds holding ALNY

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Motley Fool Asset Management's ALNY Position: Q2 2026 in Review

Motley Fool Asset Management reduced its Alnylam Pharmaceuticals (ALNY) stake by 13% in Q2 2026, selling an estimated $399K and leaving 9,170 shares worth $2.76M. The position accounts for 0.11% of the portfolio, ranked #131.

Motley Fool Asset Management first reported a position in ALNY in Q4 2021 and has held it in 18 quarters since. The position peaked at $4.98M in Q4 2025. 793 funds tracked by Wall St. Rank hold ALNY as of Q2 2026.

  • Motley Fool Asset Management held 9,170 shares of Alnylam Pharmaceuticals worth $2.76M as of Q2 2026.
  • Motley Fool Asset Management sold 1,322 Alnylam Pharmaceuticals shares in Q2 2026, an estimated $399K.
  • Alnylam Pharmaceuticals made up 0.11% of Motley Fool Asset Management's portfolio in Q2 2026, its #131 holding.
  • Motley Fool Asset Management first reported a position in Alnylam Pharmaceuticals in Q4 2021 and has held it in 18 quarters since.
  • Motley Fool Asset Management's Alnylam Pharmaceuticals position peaked at $4.98M in Q4 2025.
  • 793 funds tracked by Wall St. Rank held Alnylam Pharmaceuticals as of Q2 2026.

Based on Motley Fool Asset Management's 13F filing for Q2 2026, filed 6 Aug 2026.