Group One Trading’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 | $1.03M | Sell |
3,100
-1,900
| -38% | -$647K | ﹤0.01% | 2695 |
|
|
2025
Q4 | $1.99M | Buy |
5,000
+3,100
| +163% | +$1.37M | ﹤0.01% | 2289 |
|
|
2025
Q3 | $866K | Sell |
1,900
-1,700
| -47% | -$692K | ﹤0.01% | 3176 |
|
|
2025
Q2 | $1.17M | Sell |
3,600
-16,100
| -82% | -$4.45M | ﹤0.01% | 2612 |
|
|
2025
Q1 | $5.32M | Buy |
19,700
+15,900
| +418% | +$4.09M | 0.02% | 1019 |
|
|
2024
Q4 | $894K | Sell |
3,800
-3,500
| -48% | -$920K | ﹤0.01% | 2669 |
|
|
2024
Q3 | $2.01M | Buy |
7,300
+3,600
| +97% | +$937K | 0.01% | 1708 |
|
|
2024
Q2 | $899K | Sell |
3,700
-1,600
| -30% | -$253K | ﹤0.01% | 2076 |
|
|
2024
Q1 | $792K | Buy |
5,300
+1,000
| +23% | +$167K | ﹤0.01% | 2296 |
|
|
2023
Q4 | $823K | Sell |
4,300
-20,700
| -83% | -$3.53M | ﹤0.01% | 2646 |
|
|
2023
Q3 | $4.43M | Buy |
25,000
+13,700
| +121% | +$2.61M | 0.01% | 1017 |
|
|
2023
Q2 | $2.15M | Sell |
11,300
-100
| -0.9% | -$19.8K | 0.01% | 1654 |
|
|
2023
Q1 | $2.28M | Sell |
11,400
-75,000
| -87% | -$15.8M | 0.01% | 1421 |
|
|
2022
Q4 | $20.5M | Sell |
86,400
-22,500
| -21% | -$4.8M | 0.05% | 399 |
|
|
2022
Q3 | $21.8M | Sell |
108,900
-51,200
| -32% | -$9.77M | 0.04% | 357 |
|
|
2022
Q2 | $23.4M | Buy |
160,100
+76,600
| +92% | +$10.9M | 0.04% | 411 |
|
|
2022
Q1 | $13.6M | Buy |
83,500
+20,600
| +33% | +$3.14M | 0.01% | 809 |
|
|
2021
Q4 | $10.7M | Sell |
62,900
-21,400
| -25% | -$3.98M | 0.01% | 1060 |
|
|
2021
Q3 | $15.9M | Sell |
84,300
-20,900
| -20% | -$3.92M | 0.02% | 750 |
|
|
2021
Q2 | $17.8M | Buy |
105,200
+97,300
| +1,232% | +$14.3M | 0.02% | 703 |
|
|
2021
Q1 | $1.11M | Sell |
7,900
-19,800
| -71% | -$2.98M | ﹤0.01% | 3102 |
|
|
2020
Q4 | $3.6M | Buy |
27,700
+23,100
| +502% | +$3.08M | 0.01% | 1548 |
|
|
2020
Q3 | $670K | Sell |
4,600
-18,400
| -80% | -$2.61M | ﹤0.01% | 2586 |
|
|
2020
Q2 | $3.41M | Sell |
23,000
-19,000
| -45% | -$2.56M | 0.02% | 1070 |
|
|
2020
Q1 | $4.57M | Sell |
42,000
-112,200
| -73% | -$13M | 0.04% | 575 |
|
|
2019
Q4 | $17.8M | Buy |
154,200
+34,500
| +29% | +$3.44M | 0.12% | 178 |
|
|
2019
Q3 | $9.63M | Buy |
119,700
+114,800
| +2,343% | +$9.08M | 0.08% | 287 |
|
|
2019
Q2 | $356K | Sell |
4,900
-1,700
| -26% | -$130K | ﹤0.01% | 2441 |
|
|
2019
Q1 | $617K | Sell |
6,600
-8,500
| -56% | -$711K | 0.01% | 1781 |
|
|
2018
Q4 | $1.1M | Sell |
15,100
-61,300
| -80% | -$4.71M | 0.01% | 1435 |
|
|
2018
Q3 | $6.69M | Buy |
76,400
+52,900
| +225% | +$5.32M | 0.05% | 440 |
|
|
2018
Q2 | $2.31M | Sell |
23,500
-49,600
| -68% | -$4.92M | 0.02% | 1027 |
|
|
2018
Q1 | $8.71M | Buy |
73,100
+16,500
| +29% | +$2.13M | 0.09% | 265 |
|
|
2017
Q4 | $7.19M | Sell |
56,600
-135,700
| -71% | -$17.1M | 0.05% | 455 |
|
|
2017
Q3 | $22.6M | Buy |
192,300
+96,000
| +100% | +$8.19M | 0.21% | 91 |
|
|
2017
Q2 | $7.68M | Buy |
96,300
+41,800
| +77% | +$2.67M | 0.08% | 298 |
|
|
2017
Q1 | $2.79M | Buy |
54,500
+100
| +0.2% | +$4.62K | 0.03% | 658 |
|
|
2016
Q4 | $2.04M | Sell |
54,400
-18,700
| -26% | -$783K | 0.02% | 911 |
|
|
2016
Q3 | $4.96M | Buy |
73,100
+13,100
| +22% | +$924K | 0.05% | 417 |
|
|
2016
Q2 | $3.33M | Buy |
60,000
+34,000
| +131% | +$2.14M | 0.04% | 559 |
|
|
2016
Q1 | $1.63M | Buy |
26,000
+11,500
| +79% | +$765K | 0.02% | 891 |
|
|
2015
Q4 | $1.36M | Sell |
14,500
-19,700
| -58% | -$1.83M | 0.02% | 1101 |
|
|
2015
Q3 | $2.75M | Buy |
34,200
+6,000
| +21% | +$667K | 0.04% | 610 |
|
|
2015
Q2 | $3.38M | Sell |
28,200
-16,700
| -37% | -$2M | 0.05% | 474 |
|
|
2015
Q1 | $4.69M | Buy |
44,900
+16,000
| +55% | +$1.62M | 0.07% | 275 |
|
|
2014
Q4 | $2.8M | Buy |
28,900
+24,700
| +588% | +$2.29M | 0.04% | 480 |
|
|
2014
Q3 | $328K | Sell |
4,200
-9,800
| -70% | -$632K | 0.01% | 1961 |
|
|
2014
Q2 | $884K | Sell |
14,000
-5,700
| -29% | -$339K | 0.01% | 1223 |
|
|
2014
Q1 | $1.32M | Buy |
19,700
+13,900
| +240% | +$1.08M | 0.02% | 881 |
|
|
2013
Q4 | $373K | Sell |
5,800
-5,700
| -50% | -$340K | 0.01% | 1880 |
|
|
2013
Q3 | $736K | Sell |
11,500
-4,200
| -27% | -$209K | 0.01% | 1258 |
|
|
2013
Q2 | $487K | Buy |
+15,700
| New | +$418K | 0.01% | 1378 |
|
Other funds holding ALNY
VPM
VCM
Group One Trading's ALNY Position: Q1 2026 in Review
Group One Trading opened a new position in Alnylam Pharmaceuticals (ALNY) in Q1 2026: 5,545 shares worth $1.83M. The stake represents ﹤0.01% of the portfolio and ranks #2148 among its holdings. This is a return to the name: Group One Trading previously reported a position in ALNY as recently as Q2 2025.
Group One Trading first reported a position in ALNY in Q2 2013 and has held it in 29 quarters since. The position peaked at $9.07M in Q2 2022. 786 funds tracked by Wall St. Rank hold ALNY as of Q1 2026.
- Group One Trading held 5,545 shares of Alnylam Pharmaceuticals worth $1.83M as of Q1 2026.
- Alnylam Pharmaceuticals was a new Group One Trading position in Q1 2026.
- Alnylam Pharmaceuticals made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #2148 holding.
- Group One Trading first reported a position in Alnylam Pharmaceuticals in Q2 2013 and has held it in 29 quarters since.
- Group One Trading's Alnylam Pharmaceuticals position peaked at $9.07M in Q2 2022.
- 786 funds tracked by Wall St. Rank held Alnylam Pharmaceuticals as of Q1 2026.
Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.