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Jefferies Financial Group’s Alnylam Pharmaceuticals ALNY Stock Holding History

Jefferies Financial Group’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 		$6.65M Sell
22,095
-3,458
-14% -$1.04M 0.04% 331
2026
Q1 		$8.45M Sell
25,553
-769
-3% -$262K 0.06% 232
2025
Q4 		$10.5M Buy
26,322
+9,780
+59% +$4.33M 0.05% 309
2025
Q3 		$7.54M Buy
16,542
+8,200
+98% +$3.34M 0.04% 276
2025
Q2 		$2.72M Sell
8,342
-7,005
-46% -$1.94M 0.02% 449
2025
Q1 		$4.14M Buy
+15,347
New +$3.94M 0.04% 347
2024
Q4 		– Sell
-47,193
Closed -$13M – 1568
2024
Q3 		$13M Buy
47,193
+44,893
+1,952% +$11.7M 0.09% 137
2024
Q2 		$559K Buy
2,300
+458
+25% +$72.3K 0.01% 937
2024
Q1 		$275K Buy
1,842
+1,696
+1,162% +$283K ﹤0.01% 1245
2023
Q4 		$27.9K Sell
146
-4,632
-97% -$789K ﹤0.01% 1607
2023
Q3 		$846K Sell
4,778
-5,129
-52% -$979K 0.01% 882
2023
Q2 		$1.88M Buy
9,907
+5,367
+118% +$1.06M 0.02% 677
2023
Q1 		$909K Sell
4,540
-6,171
-58% -$1.3M 0.01% 928
2022
Q4 		$2.55M Buy
+10,711
New +$2.28M 0.02% 573

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 $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Jefferies Financial Group's ALNY Position: Q2 2026 in Review

Jefferies Financial Group reduced its Alnylam Pharmaceuticals (ALNY) stake by 14% in Q2 2026, selling an estimated $1.04M and leaving 22,095 shares worth $6.65M. The position accounts for 0.04% of the portfolio, ranked #331.

Jefferies Financial Group first reported a position in ALNY in Q4 2022 and has held it in 14 quarters since. The position peaked at $13M in Q3 2024. 790 funds tracked by Wall St. Rank hold ALNY as of Q2 2026.

  • Jefferies Financial Group held 22,095 shares of Alnylam Pharmaceuticals worth $6.65M as of Q2 2026.
  • Jefferies Financial Group sold 3,458 Alnylam Pharmaceuticals shares in Q2 2026, an estimated $1.04M.
  • Alnylam Pharmaceuticals made up 0.04% of Jefferies Financial Group's portfolio in Q2 2026, its #331 holding.
  • Jefferies Financial Group first reported a position in Alnylam Pharmaceuticals in Q4 2022 and has held it in 14 quarters since.
  • Jefferies Financial Group's Alnylam Pharmaceuticals position peaked at $13M in Q3 2024.
  • 790 funds tracked by Wall St. Rank held Alnylam Pharmaceuticals as of Q2 2026.

Based on Jefferies Financial Group's 13F filing for Q2 2026, filed 17 Aug 2026.