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 | $265K | Sell |
800
-20,700
| -96% | -$7.04M | ﹤0.01% | 3896 |
|
|
2025
Q4 | $8.55M | Buy |
21,500
+3,900
| +22% | +$1.73M | 0.01% | 1053 |
|
|
2025
Q3 | $8.03M | Buy |
17,600
+2,100
| +14% | +$855K | 0.01% | 1084 |
|
|
2025
Q2 | $5.05M | Sell |
15,500
-12,900
| -45% | -$3.57M | 0.01% | 1321 |
|
|
2025
Q1 | $7.67M | Buy |
28,400
+6,900
| +32% | +$1.77M | 0.02% | 778 |
|
|
2024
Q4 | $5.06M | Sell |
21,500
-17,000
| -44% | -$4.47M | 0.01% | 1160 |
|
|
2024
Q3 | $10.6M | Buy |
38,500
+14,000
| +57% | +$3.65M | 0.03% | 594 |
|
|
2024
Q2 | $5.95M | Sell |
24,500
-8,000
| -25% | -$1.26M | 0.02% | 703 |
|
|
2024
Q1 | $4.86M | Sell |
32,500
-28,000
| -46% | -$4.67M | 0.02% | 846 |
|
|
2023
Q4 | $11.6M | Sell |
60,500
-8,700
| -13% | -$1.48M | 0.03% | 620 |
|
|
2023
Q3 | $12.3M | Buy |
69,200
+29,300
| +73% | +$5.59M | 0.04% | 416 |
|
|
2023
Q2 | $7.58M | Sell |
39,900
-1,400
| -3% | -$278K | 0.02% | 683 |
|
|
2023
Q1 | $8.27M | Sell |
41,300
-1,300
| -3% | -$273K | 0.03% | 581 |
|
|
2022
Q4 | $10.1M | Buy |
42,600
+12,600
| +42% | +$2.69M | 0.02% | 733 |
|
|
2022
Q3 | $6M | Sell |
30,000
-59,600
| -67% | -$11.4M | 0.01% | 1033 |
|
|
2022
Q2 | $13.1M | Buy |
89,600
+69,400
| +344% | +$9.85M | 0.02% | 683 |
|
|
2022
Q1 | $3.3M | Sell |
20,200
-24,100
| -54% | -$3.67M | ﹤0.01% | 1896 |
|
|
2021
Q4 | $7.51M | Buy |
44,300
+3,900
| +10% | +$725K | 0.01% | 1351 |
|
|
2021
Q3 | $7.63M | Buy |
40,400
+19,600
| +94% | +$3.68M | 0.01% | 1309 |
|
|
2021
Q2 | $3.53M | Buy |
20,800
+14,500
| +230% | +$2.12M | ﹤0.01% | 2038 |
|
|
2021
Q1 | $890K | Sell |
6,300
-36,700
| -85% | -$5.52M | ﹤0.01% | 3373 |
|
|
2020
Q4 | $5.59M | Sell |
43,000
-2,100
| -5% | -$280K | 0.01% | 1191 |
|
|
2020
Q3 | $6.57M | Buy |
45,100
+23,300
| +107% | +$3.31M | 0.02% | 744 |
|
|
2020
Q2 | $3.23M | Sell |
21,800
-38,200
| -64% | -$5.15M | 0.01% | 1117 |
|
|
2020
Q1 | $6.53M | Sell |
60,000
-18,200
| -23% | -$2.1M | 0.05% | 409 |
|
|
2019
Q4 | $9.01M | Sell |
78,200
-20,600
| -21% | -$2.05M | 0.06% | 395 |
|
|
2019
Q3 | $7.95M | Buy |
98,800
+78,300
| +382% | +$6.19M | 0.06% | 366 |
|
|
2019
Q2 | $1.49M | Sell |
20,500
-20,200
| -50% | -$1.55M | 0.01% | 1317 |
|
|
2019
Q1 | $3.8M | Sell |
40,700
-66,900
| -62% | -$5.6M | 0.04% | 566 |
|
|
2018
Q4 | $7.84M | Sell |
107,600
-4,100
| -4% | -$315K | 0.07% | 332 |
|
|
2018
Q3 | $9.78M | Buy |
111,700
+33,500
| +43% | +$3.37M | 0.08% | 292 |
|
|
2018
Q2 | $7.7M | Buy |
78,200
+61,300
| +363% | +$6.08M | 0.07% | 351 |
|
|
2018
Q1 | $2.01M | Sell |
16,900
-8,400
| -33% | -$1.08M | 0.02% | 1005 |
|
|
2017
Q4 | $3.21M | Sell |
25,300
-114,800
| -82% | -$14.4M | 0.02% | 891 |
|
|
2017
Q3 | $16.5M | Buy |
140,100
+95,100
| +211% | +$8.12M | 0.15% | 131 |
|
|
2017
Q2 | $3.59M | Buy |
45,000
+10,800
| +32% | +$690K | 0.04% | 627 |
|
|
2017
Q1 | $1.75M | Sell |
34,200
-3,800
| -10% | -$176K | 0.02% | 951 |
|
|
2016
Q4 | $1.42M | Sell |
38,000
-33,000
| -46% | -$1.38M | 0.01% | 1111 |
|
|
2016
Q3 | $4.81M | Buy |
71,000
+21,000
| +42% | +$1.48M | 0.05% | 427 |
|
|
2016
Q2 | $2.77M | Buy |
50,000
+8,600
| +21% | +$542K | 0.03% | 637 |
|
|
2016
Q1 | $2.6M | Buy |
41,400
+28,900
| +231% | +$1.92M | 0.04% | 631 |
|
|
2015
Q4 | $1.18M | Buy |
12,500
+2,700
| +28% | +$250K | 0.01% | 1206 |
|
|
2015
Q3 | $788K | Buy |
9,800
+4,000
| +69% | +$444K | 0.01% | 1426 |
|
|
2015
Q2 | $695K | Sell |
5,800
-14,200
| -71% | -$1.7M | 0.01% | 1513 |
|
|
2015
Q1 | $2.09M | Sell |
20,000
-8,900
| -31% | -$902K | 0.03% | 613 |
|
|
2014
Q4 | $2.8M | Buy |
28,900
+9,000
| +45% | +$834K | 0.04% | 479 |
|
|
2014
Q3 | $1.55M | Buy |
19,900
+9,400
| +90% | +$606K | 0.02% | 838 |
|
|
2014
Q2 | $663K | Buy |
10,500
+9,400
| +855% | +$559K | 0.01% | 1424 |
|
|
2014
Q1 | $74K | Sell |
1,100
-2,700
| -71% | -$209K | ﹤0.01% | 3328 |
|
|
2013
Q4 | $244K | Sell |
3,800
-12,200
| -76% | -$728K | ﹤0.01% | 2252 |
|
|
2013
Q3 | $1.02M | Sell |
16,000
-25,500
| -61% | -$1.27M | 0.02% | 1002 |
|
|
2013
Q2 | $1.29M | Buy |
+41,500
| New | +$1.1M | 0.03% | 654 |
|
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.