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Sierra Summit Advisors’s Alnylam Pharmaceuticals ALNY Stock Holding History

Sierra Summit Advisors’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 		$12.5M Buy
41,684
+11,386
+38% +$3.43M 1.4% 28
2026
Q1 		$10M Buy
+30,298
New +$10.3M 1.46% 30

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

Sierra Summit Advisors's ALNY Position: Q2 2026 in Review

Sierra Summit Advisors increased its Alnylam Pharmaceuticals (ALNY) stake by 38% in Q2 2026, buying an estimated $3.43M and bringing the position to 41,684 shares worth $12.5M. The position accounts for 1.4% of the portfolio, ranked #28.

Sierra Summit Advisors first reported a position in ALNY in Q1 2026 and has held it in 2 quarters since. 790 funds tracked by Wall St. Rank hold ALNY as of Q2 2026.

  • Sierra Summit Advisors held 41,684 shares of Alnylam Pharmaceuticals worth $12.5M as of Q2 2026.
  • Sierra Summit Advisors bought 11,386 Alnylam Pharmaceuticals shares in Q2 2026, an estimated $3.43M.
  • Alnylam Pharmaceuticals made up 1.4% of Sierra Summit Advisors's portfolio in Q2 2026, its #28 holding.
  • Sierra Summit Advisors first reported a position in Alnylam Pharmaceuticals in Q1 2026 and has held it in 2 quarters since.
  • 790 funds tracked by Wall St. Rank held Alnylam Pharmaceuticals as of Q2 2026.

Based on Sierra Summit Advisors's 13F filing for Q2 2026, filed 20 Jul 2026.