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Campbell & Co Investment Adviser’s Alnylam Pharmaceuticals ALNY Stock Holding History

Campbell & Co Investment Adviser’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 		$3.37M Buy
+11,183
New +$3.37M 0.18% 166
2026
Q1 		– Sell
-9,490
Closed -$3.77M – 1041
2025
Q4 		$3.77M Sell
9,490
-3,207
-25% -$1.42M 0.18% 160
2025
Q3 		$5.79M Buy
+12,697
New +$5.17M 0.44% 18
2025
Q1 		– Sell
-16,858
Closed -$3.97M – 1008
2024
Q4 		$3.97M Buy
+16,858
New +$4.43M 0.31% 66
2024
Q2 		– Sell
-10,614
Closed -$1.59M – 1030
2024
Q1 		$1.59M Sell
10,614
-12,757
-55% -$2.13M 0.14% 221
2023
Q4 		$4.47M Buy
+23,371
New +$3.98M 0.4% 15
2022
Q4 		– Sell
-2,558
Closed -$512K – 752
2022
Q3 		$512K Sell
2,558
-2,983
-54% -$569K 0.12% 307
2022
Q2 		$808K Buy
5,541
+2,689
+94% +$381K 0.22% 127
2022
Q1 		$466K Buy
+2,852
New +$435K 0.13% 303
2021
Q4 		– Sell
-1,300
Closed -$245K – 603
2021
Q3 		$245K Buy
+1,300
New +$244K 0.08% 447
2018
Q3 		– Sell
-2,703
Closed -$266K – 391
2018
Q2 		$266K Buy
+2,703
New +$268K 0.2% 235
2015
Q1 		– Sell
-6,652
Closed -$645K – 193
2014
Q4 		$645K Buy
+6,652
New +$616K 0.4% 96

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

Campbell & Co Investment Adviser's ALNY Position: Q2 2026 in Review

Campbell & Co Investment Adviser opened a new position in Alnylam Pharmaceuticals (ALNY) in Q2 2026: 11,183 shares worth $3.37M. The stake represents 0.18% of the portfolio and ranks #166 among its holdings. This is a return to the name: Campbell & Co Investment Adviser previously reported a position in ALNY as recently as Q4 2025.

Campbell & Co Investment Adviser first reported a position in ALNY in Q4 2014 and has held it in 12 quarters since. The position peaked at $5.79M in Q3 2025. 793 funds tracked by Wall St. Rank hold ALNY as of Q2 2026.

  • Campbell & Co Investment Adviser held 11,183 shares of Alnylam Pharmaceuticals worth $3.37M as of Q2 2026.
  • Alnylam Pharmaceuticals was a new Campbell & Co Investment Adviser position in Q2 2026.
  • Alnylam Pharmaceuticals made up 0.18% of Campbell & Co Investment Adviser's portfolio in Q2 2026, its #166 holding.
  • Campbell & Co Investment Adviser first reported a position in Alnylam Pharmaceuticals in Q4 2014 and has held it in 12 quarters since.
  • Campbell & Co Investment Adviser's Alnylam Pharmaceuticals position peaked at $5.79M in Q3 2025.
  • 793 funds tracked by Wall St. Rank held Alnylam Pharmaceuticals as of Q2 2026.

Based on Campbell & Co Investment Adviser's 13F filing for Q2 2026, filed 3 Aug 2026.