RTW Investments’s Alnylam Pharmaceuticals ALNY Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2024
Q1
Sell
-1,640,559
Closed -$314M 70
2023
Q4
$314M Sell
1,640,559
-42,803
-3% -$7.29M 4.91% 7
2023
Q3
$298M Hold
1,683,362
6.29% 4
2023
Q2
$320M Hold
1,683,362
6.09% 3
2023
Q1
$337M Hold
1,683,362
7.02% 3
2022
Q4
$400M Hold
1,683,362
8.17% 1
2022
Q3
$337M Hold
1,683,362
7.77% 1
2022
Q2
$246M Hold
1,683,362
6.34% 1
2022
Q1
$275M Sell
1,683,362
-292,517
-15% -$44.6M 5.69% 1
2021
Q4
$335M Buy
1,975,879
+292,517
+17% +$54.4M 4.89% 3
2021
Q3
$318M Hold
1,683,362
4.79% 3
2021
Q2
$285M Hold
1,683,362
4.31% 3
2021
Q1
$238M Buy
1,683,362
+1,717
+0.1% +$258K 3.71% 5
2020
Q4
$219M Hold
1,681,645
3.67% 6
2020
Q3
$245M Hold
1,681,645
5.9% 3
2020
Q2
$249M Hold
1,681,645
7.01% 2
2020
Q1
$183M Buy
1,681,645
+43,781
+3% +$5.05M 7.88% 2
2019
Q4
$189M Sell
1,637,864
-129,764
-7% -$12.9M 7.12% 2
2019
Q3
$142M Sell
1,767,628
-430,466
-20% -$34.1M 8.45% 2
2019
Q2
$159M Buy
2,198,094
+1,362,221
+163% +$105M 8.52% 2
2019
Q1
$78.1M Buy
835,873
+396,375
+90% +$33.2M 5.33% 4
2018
Q4
$32M Buy
439,498
+50,426
+13% +$3.88M 2.94% 12
2018
Q3
$34.1M Buy
389,072
+36,872
+10% +$3.71M 2.04% 14
2018
Q2
$34.7M Buy
352,200
+105,971
+43% +$10.5M 2.5% 12
2018
Q1
$29.3M Sell
246,229
-112,545
-31% -$14.5M 2.79% 10
2017
Q4
$45.6M Sell
358,774
-264,564
-42% -$33.2M 7.61% 4
2017
Q3
$73.2M Sell
623,338
-417,269
-40% -$35.6M 12.75% 1
2017
Q2
$83M Sell
1,040,607
-51,909
-5% -$3.32M 17.5% 1
2017
Q1
$56M Buy
1,092,516
+303,308
+38% +$14M 14.74% 1
2016
Q4
$29.5M Sell
789,208
-159,078
-17% -$6.66M 11.12% 3
2016
Q3
$64.3M Buy
948,286
+115,737
+14% +$8.17M 19.43% 1
2016
Q2
$46.2M Sell
832,549
-33,830
-4% -$2.13M 15.78% 1
2016
Q1
$54.4M Buy
866,379
+293,018
+51% +$19.5M 19.74% 1
2015
Q4
$54M Buy
573,361
+39,701
+7% +$3.68M 17.56% 1
2015
Q3
$42.9M Buy
533,660
+122,644
+30% +$13.6M 13.32% 1
2015
Q2
$49.3M Buy
411,016
+55,621
+16% +$6.65M 14.34% 1
2015
Q1
$37.1M Buy
355,395
+15,000
+4% +$1.52M 16.75% 1
2014
Q4
$33M Buy
+340,395
New +$31.5M 12.22% 2

Other funds holding ALNY

RTW Investments's ALNY Position: Q1 2024 in Review

RTW Investments sold out of Alnylam Pharmaceuticals (ALNY) in Q1 2024, closing a stake of 1,640,559 shares — an estimated $314M sold.

RTW Investments first reported a position in ALNY in Q4 2014 and held it in 37 quarters. The position peaked at $400M in Q4 2022. 498 funds tracked by Wall St. Rank hold ALNY as of Q1 2024.

  • RTW Investments reported no remaining Alnylam Pharmaceuticals position as of Q1 2024 after selling out during the quarter.
  • RTW Investments sold 1,640,559 Alnylam Pharmaceuticals shares in Q1 2024, an estimated $314M.
  • RTW Investments first reported a position in Alnylam Pharmaceuticals in Q4 2014 and held it in 37 quarters.
  • RTW Investments's Alnylam Pharmaceuticals position peaked at $400M in Q4 2022.
  • 498 funds tracked by Wall St. Rank held Alnylam Pharmaceuticals as of Q1 2024.

Based on RTW Investments's 13F filing for Q1 2024, filed 15 May 2024.