Barclays’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
Sell
-63,000
Closed -$25.1M 5017
2025
Q4
$25.1M Buy
+63,000
New +$27.9M 0.01% 1123
2025
Q1
Sell
-7,300
Closed -$1.72M 5248
2024
Q4
$1.72M Sell
7,300
-11,800
-62% -$3.1M ﹤0.01% 3004
2024
Q3
$5.25M Sell
19,100
-60,400
-76% -$15.7M ﹤0.01% 2059
2024
Q2
$19.3M Buy
79,500
+50,800
+177% +$8.02M 0.01% 949
2024
Q1
$4.29M Sell
28,700
-15,700
-35% -$2.62M ﹤0.01% 1973
2023
Q4
$8.5M Buy
+44,400
New +$7.56M ﹤0.01% 1638
2023
Q2
Sell
-45,400
Closed -$9.09M 4525
2023
Q1
$9.09M Sell
45,400
-28,100
-38% -$5.91M ﹤0.01% 1207
2022
Q4
$17.5M Buy
+73,500
New +$15.7M 0.01% 952
2021
Q3
Sell
-30,000
Closed -$5.09M 4730
2021
Q2
$5.09M Buy
+30,000
New +$4.39M ﹤0.01% 1574
2021
Q1
Sell
-600
Closed -$78K 4663
2020
Q4
$78K Hold
600
﹤0.01% 4231
2020
Q3
$87K Hold
600
﹤0.01% 4321
2020
Q2
$89K Sell
600
-42,100
-99% -$5.68M ﹤0.01% 4595
2020
Q1
$4.65M Sell
42,700
-28,900
-40% -$3.34M ﹤0.01% 1532
2019
Q4
$8.25M Buy
71,600
+50,800
+244% +$5.06M ﹤0.01% 1548
2019
Q3
$1.67M Buy
20,800
+7,000
+51% +$554K ﹤0.01% 3088
2019
Q2
$1M Sell
13,800
-1,600
-10% -$123K ﹤0.01% 3684
2019
Q1
$1.44M Sell
15,400
-21,800
-59% -$1.82M ﹤0.01% 2987
2018
Q4
$2.71M Sell
37,200
-14,500
-28% -$1.12M ﹤0.01% 2100
2018
Q3
$4.52M Sell
51,700
-14,900
-22% -$1.5M ﹤0.01% 1912
2018
Q2
$6.56M Buy
66,600
+1,700
+3% +$169K 0.01% 1520
2018
Q1
$7.73M Sell
64,900
-16,100
-20% -$2.08M 0.01% 1332
2017
Q4
$10.3M Sell
81,000
-173,800
-68% -$21.8M 0.01% 1169
2017
Q3
$29.9M Buy
254,800
+92,200
+57% +$7.87M 0.03% 501
2017
Q2
$13M Buy
162,600
+113,600
+232% +$7.26M 0.01% 828
2017
Q1
$2.51M Buy
49,000
+40,500
+476% +$1.87M ﹤0.01% 1868
2016
Q4
$318K Sell
8,500
-7,300
-46% -$306K ﹤0.01% 3785
2016
Q3
$1.07M Sell
15,800
-6,600
-29% -$466K ﹤0.01% 2564
2016
Q2
$1.24M Buy
22,400
+8,100
+57% +$510K ﹤0.01% 2417
2016
Q1
$887K Sell
14,300
-9,600
-40% -$638K ﹤0.01% 2624
2015
Q4
$2.25M Buy
23,900
+17,600
+279% +$1.63M ﹤0.01% 1931
2015
Q3
$504K Sell
6,300
-15,400
-71% -$1.71M ﹤0.01% 3333
2015
Q2
$2.58M Buy
21,700
+9,000
+71% +$1.08M ﹤0.01% 2017
2015
Q1
$1.32M Sell
12,700
-12,100
-49% -$1.23M ﹤0.01% 2714
2014
Q4
$2.41M Buy
24,800
+23,100
+1,359% +$2.14M ﹤0.01% 2356
2014
Q3
$133K Sell
1,700
-21,900
-93% -$1.41M ﹤0.01% 5097
2014
Q2
$1.49M Sell
23,600
-152,300
-87% -$9.05M ﹤0.01% 2920
2014
Q1
$11.8M Buy
175,900
+158,600
+917% +$12.3M 0.01% 1028
2013
Q4
$1.11M Buy
17,300
+9,700
+128% +$579K ﹤0.01% 3290
2013
Q3
$486K Buy
7,600
+2,800
+58% +$140K ﹤0.01% 4146
2013
Q2
$149K Buy
+4,800
New +$128K ﹤0.01% 5452

Other funds holding ALNY

Barclays's ALNY Position: Q1 2026 in Review

Barclays reduced its Alnylam Pharmaceuticals (ALNY) stake by 0.87% in Q1 2026, selling an estimated $659K and leaving 220,623 shares worth $73M. The position accounts for 0.02% of the portfolio, ranked #602.

Barclays first reported a position in ALNY in Q2 2013 and has held it in 52 quarters since. The position peaked at $88.5M in Q4 2025. 786 funds tracked by Wall St. Rank hold ALNY as of Q1 2026.

  • Barclays held 220,623 shares of Alnylam Pharmaceuticals worth $73M as of Q1 2026.
  • Barclays sold 1,938 Alnylam Pharmaceuticals shares in Q1 2026, an estimated $659K.
  • Alnylam Pharmaceuticals made up 0.02% of Barclays's portfolio in Q1 2026, its #602 holding.
  • Barclays first reported a position in Alnylam Pharmaceuticals in Q2 2013 and has held it in 52 quarters since.
  • Barclays's Alnylam Pharmaceuticals position peaked at $88.5M in Q4 2025.
  • 786 funds tracked by Wall St. Rank held Alnylam Pharmaceuticals as of Q1 2026.

Based on Barclays's 13F filing for Q1 2026, filed 15 May 2026.