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
-10,000
Closed -$3.98M 5018
2025
Q4
$3.98M Buy
+10,000
New +$4.43M ﹤0.01% 2396
2025
Q2
Sell
-9,000
Closed -$2.43M 5235
2025
Q1
$2.43M Sell
9,000
-35,500
-80% -$9.12M ﹤0.01% 2482
2024
Q4
$10.5M Sell
44,500
-11,800
-21% -$3.1M ﹤0.01% 1535
2024
Q3
$15.5M Buy
+56,300
New +$14.7M ﹤0.01% 1207
2024
Q2
Sell
-60,200
Closed -$9M 4835
2024
Q1
$9M Hold
60,200
﹤0.01% 1469
2023
Q4
$11.5M Buy
+60,200
New +$10.3M ﹤0.01% 1417
2023
Q1
Sell
-41,000
Closed -$9.74M 5070
2022
Q4
$9.74M Buy
+41,000
New +$8.75M ﹤0.01% 1221
2022
Q1
Sell
-900
Closed -$153K 4906
2021
Q4
$153K Buy
+900
New +$167K ﹤0.01% 3636
2021
Q1
Sell
-6,900
Closed -$897K 4664
2020
Q4
$897K Sell
6,900
-17,400
-72% -$2.32M ﹤0.01% 2828
2020
Q3
$3.54M Sell
24,300
-21,800
-47% -$3.1M ﹤0.01% 1644
2020
Q2
$6.83M Sell
46,100
-28,000
-38% -$3.77M 0.01% 1167
2020
Q1
$8.07M Sell
74,100
-25,800
-26% -$2.98M 0.01% 1130
2019
Q4
$11.5M Buy
99,900
+44,900
+82% +$4.48M 0.01% 1286
2019
Q3
$4.42M Buy
55,000
+22,000
+67% +$1.74M ﹤0.01% 1974
2019
Q2
$2.39M Buy
33,000
+20,100
+156% +$1.54M ﹤0.01% 2687
2019
Q1
$1.21M Sell
12,900
-33,300
-72% -$2.79M ﹤0.01% 3196
2018
Q4
$3.37M Sell
46,200
-32,700
-41% -$2.52M ﹤0.01% 1903
2018
Q3
$6.91M Buy
78,900
+24,900
+46% +$2.5M ﹤0.01% 1518
2018
Q2
$5.32M Buy
54,000
+15,100
+39% +$1.5M ﹤0.01% 1677
2018
Q1
$4.63M Sell
38,900
-136,200
-78% -$17.6M ﹤0.01% 1695
2017
Q4
$22.2M Sell
175,100
-138,100
-44% -$17.4M 0.02% 753
2017
Q3
$36.8M Buy
313,200
+105,600
+51% +$9.01M 0.04% 419
2017
Q2
$16.6M Buy
207,600
+100,100
+93% +$6.4M 0.02% 696
2017
Q1
$5.51M Buy
107,500
+27,700
+35% +$1.28M 0.01% 1263
2016
Q4
$2.99M Buy
79,800
+71,000
+807% +$2.97M ﹤0.01% 1800
2016
Q3
$596K Sell
8,800
-9,600
-52% -$677K ﹤0.01% 3079
2016
Q2
$1.02M Sell
18,400
-41,400
-69% -$2.61M ﹤0.01% 2595
2016
Q1
$3.71M Buy
59,800
+50,800
+564% +$3.38M 0.01% 1408
2015
Q4
$846K Sell
9,000
-7,600
-46% -$705K ﹤0.01% 2761
2015
Q3
$1.33M Buy
16,600
+1,500
+10% +$167K ﹤0.01% 2465
2015
Q2
$1.8M Sell
15,100
-14,700
-49% -$1.76M ﹤0.01% 2309
2015
Q1
$3.1M Buy
29,800
+28,200
+1,763% +$2.86M ﹤0.01% 1938
2014
Q4
$155K Sell
1,600
-8,900
-85% -$825K ﹤0.01% 4838
2014
Q3
$819K Buy
10,500
+7,700
+275% +$497K ﹤0.01% 3536
2014
Q2
$176K Sell
2,800
-170,700
-98% -$10.1M ﹤0.01% 4933
2014
Q1
$11.6M Buy
173,500
+152,900
+742% +$11.8M 0.01% 1041
2013
Q4
$1.32M Sell
20,600
-66,200
-76% -$3.95M ﹤0.01% 3086
2013
Q3
$5.55M Buy
86,800
+78,500
+946% +$3.91M 0.01% 1599
2013
Q2
$257K Buy
+8,300
New +$221K ﹤0.01% 4933

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.