Robeco Institutional Asset Management
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Robeco Institutional Asset Management’s Alnylam Pharmaceuticals ALNY Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$31.4M Sell
96,368
-7,113
-7% -$2.32M 0.05% 281
2025
Q1
$27.9M Buy
103,481
+3,487
+3% +$942K 0.05% 272
2024
Q4
$23.5M Buy
99,994
+26,426
+36% +$6.22M 0.04% 302
2024
Q3
$20.2M Buy
73,568
+23,898
+48% +$6.57M 0.04% 331
2024
Q2
$12.1M Buy
49,670
+20,830
+72% +$5.06M 0.03% 394
2024
Q1
$4.31M Buy
28,840
+4,705
+19% +$703K 0.01% 580
2023
Q4
$4.62M Buy
24,135
+16,099
+200% +$3.08M 0.01% 573
2023
Q3
$1.42M Sell
8,036
-19,107
-70% -$3.38M ﹤0.01% 739
2023
Q2
$5.16M Sell
27,143
-25,615
-49% -$4.87M 0.01% 548
2023
Q1
$10.6M Buy
52,758
+771
+1% +$154K 0.03% 429
2022
Q4
$12.4M Buy
51,987
+12,628
+32% +$3M 0.04% 392
2022
Q3
$7.88M Buy
39,359
+36,948
+1,532% +$7.4M 0.03% 443
2022
Q2
$352K Sell
2,411
-579
-19% -$84.5K ﹤0.01% 790
2022
Q1
$488K Buy
2,990
+2,951
+7,567% +$482K ﹤0.01% 776
2021
Q4
$7K Buy
+39
New +$7K ﹤0.01% 899
2021
Q3
Sell
-3,602
Closed -$611K 917
2021
Q2
$611K Sell
3,602
-5,208
-59% -$883K ﹤0.01% 781
2021
Q1
$1.24M Sell
8,810
-5,444
-38% -$768K ﹤0.01% 712
2020
Q4
$1.85M Sell
14,254
-20,599
-59% -$2.67M ﹤0.01% 669
2020
Q3
$5.07M Sell
34,853
-25,534
-42% -$3.72M 0.02% 513
2020
Q2
$8.94M Buy
60,387
+57,870
+2,299% +$8.57M 0.03% 439
2020
Q1
$273K Buy
+2,517
New +$273K ﹤0.01% 866
2018
Q4
Sell
-1,427
Closed -$125K 967
2018
Q3
$125K Hold
1,427
﹤0.01% 935
2018
Q2
$141K Hold
1,427
﹤0.01% 920
2018
Q1
$170K Buy
+1,427
New +$170K ﹤0.01% 895
2015
Q3
Sell
-2,980
Closed -$357K 766
2015
Q2
$357K Buy
+2,980
New +$357K ﹤0.01% 702