Los Angeles Capital Management’s Alnylam Pharmaceuticals ALNY Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$29.2M Sell
88,278
-151,774
-63% -$51.6M 0.12% 154
2025
Q4
$108M Buy
240,052
+80,658
+51% +$35.7M 0.37% 54
2025
Q3
$72.7M Buy
159,394
+91,995
+136% +$37.5M 0.25% 78
2025
Q2
$22M Sell
67,399
-13,463
-17% -$3.73M 0.08% 163
2025
Q1
$21.8M Sell
80,862
-13,960
-15% -$3.59M 0.1% 156
2024
Q4
$22.3M Sell
94,822
-42,195
-31% -$11.1M 0.09% 173
2024
Q3
$37.7M Buy
137,017
+135,829
+11,433% +$35.4M 0.15% 124
2024
Q2
$289K Sell
1,188
-1,771
-60% -$280K ﹤0.01% 1024
2024
Q1
$442K Sell
2,959
-14,069
-83% -$2.35M ﹤0.01% 913
2023
Q4
$3.26M Buy
+17,028
New +$2.9M 0.01% 388
2023
Q3
Sell
-1,507
Closed -$286K 1111
2023
Q2
$286K Hold
1,507
﹤0.01% 1018
2023
Q1
$302K Sell
1,507
-560
-27% -$118K ﹤0.01% 1003
2022
Q4
$491K Sell
2,067
-4,045
-66% -$863K ﹤0.01% 910
2022
Q3
$1.22M Buy
+6,112
New +$1.17M 0.01% 631
2019
Q4
Sell
-4,081
Closed -$328K 1262
2019
Q3
$328K Sell
4,081
-1,040
-20% -$82.3K ﹤0.01% 1102
2019
Q2
$372K Sell
5,121
-44,324
-90% -$3.4M ﹤0.01% 1120
2019
Q1
$4.62M Sell
49,445
-390
-0.8% -$32.6K 0.03% 447
2018
Q4
$3.63M Sell
49,835
-97,268
-66% -$7.48M 0.02% 426
2018
Q3
$12.9M Sell
147,103
-155,592
-51% -$15.7M 0.07% 302
2018
Q2
$29.8M Buy
302,695
+232,782
+333% +$23.1M 0.17% 158
2018
Q1
$8.33M Buy
+69,913
New +$9.01M 0.05% 349
2016
Q4
Sell
-161,415
Closed -$10.9M 1156
2016
Q3
$10.9M Buy
+161,415
New +$11.4M 0.09% 279
2016
Q1
Sell
-13,255
Closed -$1.25M 1122
2015
Q4
$1.25M Sell
13,255
-2,005
-13% -$186K 0.01% 617
2015
Q3
$1.23M Sell
15,260
-5,972
-28% -$664K 0.01% 642
2015
Q2
$2.54M Sell
21,232
-141,825
-87% -$16.9M 0.02% 519
2015
Q1
$17M Buy
+163,057
New +$16.5M 0.16% 176
2014
Q2
Sell
-16,785
Closed -$1.13M 1197
2014
Q1
$1.13M Buy
+16,785
New +$1.3M 0.01% 640
2013
Q4
Sell
-3,955
Closed -$253K 1269
2013
Q3
$253K Buy
+3,955
New +$197K ﹤0.01% 1145

Other funds holding ALNY

Los Angeles Capital Management's ALNY Position: Q1 2026 in Review

Los Angeles Capital Management reduced its Alnylam Pharmaceuticals (ALNY) stake by 63% in Q1 2026, selling an estimated $51.6M and leaving 88,278 shares worth $29.2M. The position accounts for 0.12% of the portfolio, ranked #154.

Los Angeles Capital Management first reported a position in ALNY in Q3 2013 and has held it in 28 quarters since. The position peaked at $108M in Q4 2025. 786 funds tracked by Wall St. Rank hold ALNY as of Q1 2026.

  • Los Angeles Capital Management held 88,278 shares of Alnylam Pharmaceuticals worth $29.2M as of Q1 2026.
  • Los Angeles Capital Management sold 151,774 Alnylam Pharmaceuticals shares in Q1 2026, an estimated $51.6M.
  • Alnylam Pharmaceuticals made up 0.12% of Los Angeles Capital Management's portfolio in Q1 2026, its #154 holding.
  • Los Angeles Capital Management first reported a position in Alnylam Pharmaceuticals in Q3 2013 and has held it in 28 quarters since.
  • Los Angeles Capital Management's Alnylam Pharmaceuticals position peaked at $108M in Q4 2025.
  • 786 funds tracked by Wall St. Rank held Alnylam Pharmaceuticals as of Q1 2026.

Based on Los Angeles Capital Management's 13F filing for Q1 2026, filed 8 May 2026.