WorldQuant Millennium Advisors
ALNY icon

WorldQuant Millennium Advisors’s Alnylam Pharmaceuticals ALNY Stock Holding History

WorldQuant Millennium 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
Q1 		$13.9M Sell
42,160
-301,271
-88% -$103M 0.05% 252
2025
Q4 		$137M Buy
343,431
+122,797
+56% +$54.3M 0.53% 40
2025
Q3 		$101M Buy
220,634
+103,261
+88% +$42M 0.43% 66
2025
Q2 		$38.3M Sell
117,373
-73,732
-39% -$20.4M 0.19% 141
2025
Q1 		$51.6M Buy
191,105
+40,914
+27% +$10.5M 0.33% 91
2024
Q4 		$35.3M Buy
150,191
+91,671
+157% +$24.1M 0.23% 124
2024
Q3 		$16.1M Sell
58,520
-71,073
-55% -$18.5M 0.12% 197
2024
Q2 		$31.5M Buy
129,593
+69,520
+116% +$11M 0.29% 98
2024
Q1 		$8.98M Sell
60,073
-894
-1% -$149K 0.11% 207
2023
Q4 		$11.7M Buy
+60,967
New +$10.4M 0.16% 162
2023
Q3 		– Sell
-40,287
Closed -$7.65M – 353
2023
Q2 		$7.65M Buy
40,287
+21,949
+120% +$4.35M 0.13% 206
2023
Q1 		$3.67M Buy
+18,338
New +$3.85M 0.07% 237
2022
Q4 		– Sell
-20,426
Closed -$4.09M – 326
2022
Q3 		$4.09M Buy
+20,426
New +$3.9M 0.1% 215
2021
Q3 		– Sell
-31,999
Closed -$5.42M – 321
2021
Q2 		$5.42M Buy
31,999
+3,271
+11% +$479K 0.12% 192
2021
Q1 		$4.06M Hold
28,728
– – 0.09% 255
2020
Q4 		$3.73M Hold
28,728
– – 0.08% 260
2020
Q3 		$4.18M Sell
28,728
-13,951
-33% -$1.98M 0.1% 229
2020
Q2 		$6.32M Buy
42,679
+6,533
+18% +$881K 0.15% 196
2020
Q1 		$3.93M Buy
36,146
+23,424
+184% +$2.7M 0.1% 220
2019
Q4 		$1.47M Buy
+12,722
New +$1.27M 0.03% 279

Other funds holding ALNY

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

WorldQuant Millennium Advisors's ALNY Position: Q1 2026 in Review

WorldQuant Millennium Advisors reduced its Alnylam Pharmaceuticals (ALNY) stake by 88% in Q1 2026, selling an estimated $103M and leaving 42,160 shares worth $13.9M. The position accounts for 0.05% of the portfolio, ranked #252.

WorldQuant Millennium Advisors first reported a position in ALNY in Q4 2019 and has held it in 20 quarters since. The position peaked at $137M in Q4 2025. 786 funds tracked by Wall St. Rank hold ALNY as of Q1 2026.

  • WorldQuant Millennium Advisors held 42,160 shares of Alnylam Pharmaceuticals worth $13.9M as of Q1 2026.
  • WorldQuant Millennium Advisors sold 301,271 Alnylam Pharmaceuticals shares in Q1 2026, an estimated $103M.
  • Alnylam Pharmaceuticals made up 0.05% of WorldQuant Millennium Advisors's portfolio in Q1 2026, its #252 holding.
  • WorldQuant Millennium Advisors first reported a position in Alnylam Pharmaceuticals in Q4 2019 and has held it in 20 quarters since.
  • WorldQuant Millennium Advisors's Alnylam Pharmaceuticals position peaked at $137M in Q4 2025.
  • 786 funds tracked by Wall St. Rank held Alnylam Pharmaceuticals as of Q1 2026.

Based on WorldQuant Millennium Advisors's 13F filing for Q1 2026, filed 15 May 2026.