Bridger Management’s Alnylam Pharmaceuticals ALNY Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q2
Sell
-34,975
Closed -$9.44M 26
2025
Q1
$9.44M Sell
34,975
-6,207
-15% -$1.6M 4.69% 9
2024
Q4
$9.69M Buy
41,182
+4,160
+11% +$1.09M 5.21% 7
2024
Q3
$10.2M Hold
37,022
5.09% 5
2024
Q2
$9M Sell
37,022
-15,900
-30% -$2.51M 4.63% 8
2024
Q1
$7.91M Buy
52,922
+34,000
+180% +$5.67M 3.57% 10
2023
Q4
$3.62M Buy
+18,922
New +$3.22M 1.39% 19
2021
Q4
Sell
-59,804
Closed -$11.3M 46
2021
Q3
$11.3M Sell
59,804
-51,500
-46% -$9.66M 1.32% 27
2021
Q2
$18.9M Sell
111,304
-115,200
-51% -$16.9M 1.76% 21
2021
Q1
$32M Sell
226,504
-87,128
-28% -$13.1M 2.99% 16
2020
Q4
$40.8M Sell
313,632
-45,602
-13% -$6.09M 3.11% 14
2020
Q3
$52.3M Hold
359,234
4.18% 7
2020
Q2
$53.2M Buy
359,234
+11,661
+3% +$1.57M 4.93% 6
2020
Q1
$37.8M Sell
347,573
-120,345
-26% -$13.9M 4.38% 8
2019
Q4
$53.9M Buy
467,918
+116,157
+33% +$11.6M 3.89% 8
2019
Q3
$28.3M Sell
351,761
-274,955
-44% -$21.8M 2.34% 23
2019
Q2
$45.5M Buy
626,716
+4,266
+0.7% +$327K 3.57% 13
2019
Q1
$58.2M Sell
622,450
-36,335
-6% -$3.04M 4.6% 7
2018
Q4
$48M Sell
658,785
-64,225
-9% -$4.94M 4% 10
2018
Q3
$63.3M Buy
723,010
+80,544
+13% +$8.1M 3.66% 12
2018
Q2
$63.3M Buy
642,466
+92,834
+17% +$9.21M 3.43% 12
2018
Q1
$65.5M Buy
549,632
+49,413
+10% +$6.37M 3.97% 10
2017
Q4
$63.6M Buy
500,219
+116,286
+30% +$14.6M 4.19% 8
2017
Q3
$45.1M Sell
383,933
-375,194
-49% -$32M 2.7% 20
2017
Q2
$60.5M Buy
759,127
+32,036
+4% +$2.05M 3.46% 8
2017
Q1
$37.3M Buy
727,091
+8,476
+1% +$392K 2.13% 24
2016
Q4
$26.9M Sell
718,615
-264,425
-27% -$11.1M 1.87% 25
2016
Q3
$66.6M Buy
983,040
+296,031
+43% +$20.9M 4.49% 6
2016
Q2
$38.1M Sell
687,009
-110,203
-14% -$6.94M 2.46% 19
2016
Q1
$50M Buy
797,212
+79,691
+11% +$5.3M 3.46% 14
2015
Q4
$67.5M Buy
717,521
+5,132
+0.7% +$476K 2.23% 9
2015
Q3
$57.2M Buy
712,389
+88,509
+14% +$9.83M 3.9% 9
2015
Q2
$74.8M Sell
623,880
-2,878
-0.5% -$344K 2.37% 4
2015
Q1
$65.4M Buy
626,758
+62,319
+11% +$6.32M 4.37% 9
2014
Q4
$54.8M Sell
564,439
-177,249
-24% -$16.4M 3.45% 8
2014
Q3
$57.9M Buy
741,688
+241,688
+48% +$15.6M 3.95% 7
2014
Q2
$31.6M Buy
500,000
+60,000
+14% +$3.57M 2.22% 25
2014
Q1
$29.5M Hold
440,000
1.97% 28
2013
Q4
$28.3M Sell
440,000
-3,181
-0.7% -$190K 1.98% 26
2013
Q3
$28.4M Sell
443,181
-583,467
-57% -$29.1M 2.03% 25
2013
Q2
$31.8M Buy
+1,026,648
New +$27.3M 2.34% 24

Other funds holding ALNY

Bridger Management's ALNY Position: Q2 2025 in Review

Bridger Management sold out of Alnylam Pharmaceuticals (ALNY) in Q2 2025, closing a stake of 34,975 shares — an estimated $9.44M sold.

Bridger Management first reported a position in ALNY in Q2 2013 and held it in 40 quarters. The position peaked at $74.8M in Q2 2015. 654 funds tracked by Wall St. Rank hold ALNY as of Q2 2025.

  • Bridger Management reported no remaining Alnylam Pharmaceuticals position as of Q2 2025 after selling out during the quarter.
  • Bridger Management sold 34,975 Alnylam Pharmaceuticals shares in Q2 2025, an estimated $9.44M.
  • Bridger Management first reported a position in Alnylam Pharmaceuticals in Q2 2013 and held it in 40 quarters.
  • Bridger Management's Alnylam Pharmaceuticals position peaked at $74.8M in Q2 2015.
  • 654 funds tracked by Wall St. Rank held Alnylam Pharmaceuticals as of Q2 2025.

Based on Bridger Management's 13F filing for Q2 2025, filed 11 Aug 2025.