State of Wisconsin Investment Board’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 | $22.8M | Buy |
68,883
+2,818
| +4% | +$959K | 0.05% | 313 |
|
|
2025
Q4 | $26.3M | Sell |
66,065
-2,464
| -4% | -$1.09M | 0.06% | 271 |
|
|
2025
Q3 | $31.2M | Sell |
68,529
-9,577
| -12% | -$3.9M | 0.07% | 230 |
|
|
2025
Q2 | $25.5M | Buy |
78,106
+4,951
| +7% | +$1.37M | 0.06% | 272 |
|
|
2025
Q1 | $19.8M | Sell |
73,155
-5,220
| -7% | -$1.34M | 0.05% | 327 |
|
|
2024
Q4 | $18.4M | Sell |
78,375
-719
| -0.9% | -$189K | 0.05% | 358 |
|
|
2024
Q3 | $21.8M | Buy |
79,094
+1,158
| +1% | +$301K | 0.05% | 333 |
|
|
2024
Q2 | $18.9M | Buy |
77,936
+9,222
| +13% | +$1.46M | 0.05% | 342 |
|
|
2024
Q1 | $10.3M | Sell |
68,714
-131,746
| -66% | -$22M | 0.03% | 609 |
|
|
2023
Q4 | $38.4M | Sell |
200,460
-1,445
| -0.7% | -$246K | 0.11% | 159 |
|
|
2023
Q3 | $35.8M | Sell |
201,905
-19,299
| -9% | -$3.68M | 0.11% | 171 |
|
|
2023
Q2 | $42M | Buy |
221,204
+38,397
| +21% | +$7.61M | 0.12% | 162 |
|
|
2023
Q1 | $36.6M | Buy |
182,807
+97,373
| +114% | +$20.5M | 0.11% | 174 |
|
|
2022
Q4 | $20.3M | Sell |
85,434
-4,935
| -5% | -$1.05M | 0.07% | 303 |
|
|
2022
Q3 | $18.1M | Sell |
90,369
-151,208
| -63% | -$28.8M | 0.06% | 335 |
|
|
2022
Q2 | $35.2M | Buy |
241,577
+124,058
| +106% | +$17.6M | 0.09% | 221 |
|
|
2022
Q1 | $19.2M | Buy |
117,519
+24,318
| +26% | +$3.7M | 0.04% | 446 |
|
|
2021
Q4 | $15.8M | Sell |
93,201
-6,189
| -6% | -$1.15M | 0.03% | 573 |
|
|
2021
Q3 | $18.8M | Sell |
99,390
-15,742
| -14% | -$2.95M | 0.04% | 492 |
|
|
2021
Q2 | $19.5M | Sell |
115,132
-6,725
| -6% | -$985K | 0.04% | 476 |
|
|
2021
Q1 | $17.2M | Sell |
121,857
-61,952
| -34% | -$9.32M | 0.04% | 496 |
|
|
2020
Q4 | $23.9M | Sell |
183,809
-4,695
| -2% | -$627K | 0.06% | 361 |
|
|
2020
Q3 | $27.4M | Buy |
188,504
+47,000
| +33% | +$6.68M | 0.07% | 296 |
|
|
2020
Q2 | $21M | Buy |
141,504
+5,810
| +4% | +$783K | 0.06% | 341 |
|
|
2020
Q1 | $14.8M | Sell |
135,694
-3,669
| -3% | -$424K | 0.05% | 388 |
|
|
2019
Q4 | $16.1M | Buy |
139,363
+127,671
| +1,092% | +$12.7M | 0.04% | 472 |
|
|
2019
Q3 | $940K | Buy |
+11,692
| New | +$925K | ﹤0.01% | 1159 |
|
|
2019
Q2 | – | Sell |
-9,031
| Closed | -$844K | – | 1535 |
|
|
2019
Q1 | $844K | Sell |
9,031
-26,206
| -74% | -$2.19M | ﹤0.01% | 1204 |
|
|
2018
Q4 | $2.57M | Sell |
35,237
-5,940
| -14% | -$457K | 0.01% | 921 |
|
|
2018
Q3 | $3.6M | Sell |
41,177
-38,355
| -48% | -$3.86M | 0.01% | 938 |
|
|
2018
Q2 | $7.83M | Buy |
79,532
+1,416
| +2% | +$140K | 0.02% | 744 |
|
|
2018
Q1 | $9.3M | Sell |
78,116
-8,015
| -9% | -$1.03M | 0.03% | 660 |
|
|
2017
Q4 | $10.9M | Buy |
86,131
+69,837
| +429% | +$8.78M | 0.03% | 588 |
|
|
2017
Q3 | $1.91M | Buy |
16,294
+1,282
| +9% | +$109K | 0.01% | 971 |
|
|
2017
Q2 | $1.2M | Buy |
15,012
+100
| +0.7% | +$6.39K | ﹤0.01% | 1029 |
|
|
2017
Q1 | $764K | Sell |
14,912
-25,954
| -64% | -$1.2M | ﹤0.01% | 1091 |
|
|
2016
Q4 | $1.53M | Sell |
40,866
-7,024
| -15% | -$294K | 0.01% | 1120 |
|
|
2016
Q3 | $3.25M | Sell |
47,890
-1,900
| -4% | -$134K | 0.01% | 931 |
|
|
2016
Q2 | $2.76M | Sell |
49,790
-3,000
| -6% | -$189K | 0.01% | 974 |
|
|
2016
Q1 | $3.31M | Buy |
52,790
+32,770
| +164% | +$2.18M | 0.01% | 914 |
|
|
2015
Q4 | $1.89M | Sell |
20,020
-35,410
| -64% | -$3.28M | 0.01% | 1114 |
|
|
2015
Q3 | $4.45M | Sell |
55,430
-1,570
| -3% | -$174K | 0.02% | 810 |
|
|
2015
Q2 | $6.83M | Buy |
57,000
+2,290
| +4% | +$274K | 0.02% | 708 |
|
|
2015
Q1 | $5.71M | Buy |
54,710
+2,880
| +6% | +$292K | 0.02% | 776 |
|
|
2014
Q4 | $5.03M | Buy |
51,830
+2,960
| +6% | +$274K | 0.02% | 811 |
|
|
2014
Q3 | $3.82M | Buy |
48,870
+330
| +0.7% | +$21.3K | 0.01% | 901 |
|
|
2014
Q2 | $3.07M | Buy |
+48,540
| New | +$2.89M | 0.01% | 1036 |
|
Other funds holding ALNY
VPM
VCM
State of Wisconsin Investment Board's ALNY Position: Q1 2026 in Review
State of Wisconsin Investment Board increased its Alnylam Pharmaceuticals (ALNY) stake by 4.3% in Q1 2026, buying an estimated $959K and bringing the position to 68,883 shares worth $22.8M. The position accounts for 0.05% of the portfolio, ranked #313.
State of Wisconsin Investment Board first reported a position in ALNY in Q2 2014 and has held it in 47 quarters since. The position peaked at $42M in Q2 2023. 789 funds tracked by Wall St. Rank hold ALNY as of Q1 2026.
- State of Wisconsin Investment Board held 68,883 shares of Alnylam Pharmaceuticals worth $22.8M as of Q1 2026.
- State of Wisconsin Investment Board bought 2,818 Alnylam Pharmaceuticals shares in Q1 2026, an estimated $959K.
- Alnylam Pharmaceuticals made up 0.05% of State of Wisconsin Investment Board's portfolio in Q1 2026, its #313 holding.
- State of Wisconsin Investment Board first reported a position in Alnylam Pharmaceuticals in Q2 2014 and has held it in 47 quarters since.
- State of Wisconsin Investment Board's Alnylam Pharmaceuticals position peaked at $42M in Q2 2023.
- 789 funds tracked by Wall St. Rank held Alnylam Pharmaceuticals as of Q1 2026.
Based on State of Wisconsin Investment Board's 13F filing for Q1 2026, filed 15 May 2026.