Citigroup’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
$3.97M Sell
12,000
-18,000
-60% -$6.13M ﹤0.01% 2138
2025
Q4
$11.9M Hold
30,000
0.01% 1407
2025
Q3
$13.7M Buy
+30,000
New +$12.2M 0.01% 1288
2025
Q1
Sell
-30,000
Closed -$7.06M 5546
2024
Q4
$7.06M Sell
30,000
-10,600
-26% -$2.79M ﹤0.01% 1652
2024
Q3
$11.2M Sell
40,600
-50,700
-56% -$13.2M 0.01% 1277
2024
Q2
$22.2M Buy
91,300
+87,300
+2,183% +$13.8M 0.01% 832
2024
Q1
$598K Sell
4,000
-21,000
-84% -$3.5M ﹤0.01% 3445
2023
Q4
$4.79M Buy
25,000
+5,100
+26% +$869K ﹤0.01% 1625
2023
Q3
$3.52M Buy
+19,900
New +$3.8M ﹤0.01% 1621
2023
Q1
Sell
-77,000
Closed -$18.3M 5465
2022
Q4
$18.3M Buy
77,000
+26,500
+52% +$5.65M 0.01% 842
2022
Q3
$10.1M Buy
50,500
+45,500
+910% +$8.68M 0.01% 1135
2022
Q2
$729K Buy
+5,000
New +$709K ﹤0.01% 2936
2021
Q1
Sell
-21,200
Closed -$2.75M 6202
2020
Q4
$2.75M Sell
21,200
-10,600
-33% -$1.42M ﹤0.01% 2556
2020
Q3
$4.63M Buy
31,800
+2,100
+7% +$298K ﹤0.01% 1941
2020
Q2
$4.4M Sell
29,700
-13,200
-31% -$1.78M ﹤0.01% 1976
2020
Q1
$4.67M Buy
42,900
+500
+1% +$57.7K ﹤0.01% 1736
2019
Q4
$4.88M Buy
42,400
+1,100
+3% +$110K ﹤0.01% 2048
2019
Q3
$3.32M Buy
41,300
+14,600
+55% +$1.16M ﹤0.01% 2322
2019
Q2
$1.94M Buy
26,700
+7,500
+39% +$575K ﹤0.01% 2890
2019
Q1
$1.79M Buy
19,200
+1,100
+6% +$92K ﹤0.01% 2759
2018
Q4
$1.32M Sell
18,100
-11,800
-39% -$908K ﹤0.01% 3112
2018
Q3
$2.62M Buy
29,900
+12,400
+71% +$1.25M ﹤0.01% 2490
2018
Q2
$1.72M Sell
17,500
-7,900
-31% -$784K ﹤0.01% 2813
2018
Q1
$3.02M Sell
25,400
-32,900
-56% -$4.24M ﹤0.01% 2235
2017
Q4
$7.41M Buy
58,300
+6,400
+12% +$804K 0.01% 1495
2017
Q3
$6.1M Sell
51,900
-5,200
-9% -$444K 0.01% 1582
2017
Q2
$4.55M Buy
57,100
+4,300
+8% +$275K ﹤0.01% 1771
2017
Q1
$2.71M Buy
52,800
+700
+1% +$32.4K ﹤0.01% 2181
2016
Q4
$1.95M Buy
52,100
+11,000
+27% +$461K ﹤0.01% 2980
2016
Q3
$2.79M Buy
41,100
+5,200
+14% +$367K ﹤0.01% 2211
2016
Q2
$1.99M Buy
35,900
+6,900
+24% +$435K ﹤0.01% 2344
2016
Q1
$1.82M Buy
29,000
+9,500
+49% +$632K ﹤0.01% 2611
2015
Q4
$1.84M Buy
19,500
+8,200
+73% +$760K ﹤0.01% 2547
2015
Q3
$908K Buy
11,300
+2,600
+30% +$289K ﹤0.01% 3181
2015
Q2
$1.04M Buy
8,700
+8,500
+4,250% +$1.02M ﹤0.01% 3125
2015
Q1
$21K Buy
+200
New +$20.3K ﹤0.01% 6068

Other funds holding ALNY

Citigroup's ALNY Position: Q1 2026 in Review

Citigroup increased its Alnylam Pharmaceuticals (ALNY) stake by 53% in Q1 2026, buying an estimated $30.9M and bringing the position to 263,375 shares worth $87.1M. The position accounts for 0.04% of the portfolio, ranked #449.

Citigroup first reported a position in ALNY in Q2 2013 and has held it in 52 quarters since. The position peaked at $97.6M in Q2 2024. 787 funds tracked by Wall St. Rank hold ALNY as of Q1 2026.

  • Citigroup held 263,375 shares of Alnylam Pharmaceuticals worth $87.1M as of Q1 2026.
  • Citigroup bought 90,813 Alnylam Pharmaceuticals shares in Q1 2026, an estimated $30.9M.
  • Alnylam Pharmaceuticals made up 0.04% of Citigroup's portfolio in Q1 2026, its #449 holding.
  • Citigroup first reported a position in Alnylam Pharmaceuticals in Q2 2013 and has held it in 52 quarters since.
  • Citigroup's Alnylam Pharmaceuticals position peaked at $97.6M in Q2 2024.
  • 787 funds tracked by Wall St. Rank held Alnylam Pharmaceuticals as of Q1 2026.

Based on Citigroup's 13F filing for Q1 2026, filed 11 May 2026.