Steve Schonfeld’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
Q2
$9.37M Sell
31,112
-40,655
-57% -$12.3M 0.03% 434
2026
Q1
$23.7M Buy
71,767
+26,873
+60% +$9.14M 0.17% 120
2025
Q4
$17.9M Buy
44,894
+35,185
+362% +$15.6M 0.08% 222
2025
Q3
$4.43M Sell
9,709
-49,048
-83% -$20M 0.03% 639
2025
Q2
$19.2M Buy
58,757
+55,675
+1,806% +$15.4M 0.13% 168
2025
Q1
$832K Sell
3,082
-123,918
-98% -$31.8M 0.01% 1361
2024
Q4
$29.9M Buy
127,000
+99,133
+356% +$26.1M 0.17% 94
2024
Q3
$7.66M Sell
27,867
-16,108
-37% -$4.19M 0.05% 380
2024
Q2
$10.7M Sell
43,975
-191,631
-81% -$30.3M 0.07% 329
2024
Q1
$35.2M Buy
235,606
+233,653
+11,964% +$39M 0.23% 72
2023
Q4
$374K Sell
1,953
-40,154
-95% -$6.84M ﹤0.01% 1370
2023
Q3
$7.46M Buy
42,107
+39,641
+1,608% +$7.56M 0.06% 437
2023
Q2
$468K Sell
2,466
-12,770
-84% -$2.53M ﹤0.01% 1246
2023
Q1
$3.05M Buy
+15,236
New +$3.2M 0.03% 583
2022
Q4
Sell
-33,615
Closed -$6.73M 2557
2022
Q3
$6.73M Buy
+33,615
New +$6.41M 0.06% 432
2022
Q2
Sell
-6,700
Closed -$1.09M 2495
2022
Q1
$1.09M Buy
+6,700
New +$1.02M 0.01% 944
2021
Q3
Sell
-18,968
Closed -$3.22M 2128
2021
Q2
$3.22M Buy
18,968
+10,868
+134% +$1.59M 0.03% 572
2021
Q1
$1.14M Buy
+8,100
New +$1.22M 0.01% 840
2019
Q3
Sell
-73,600
Closed -$5.34M 1005
2019
Q2
$5.34M Buy
73,600
+10,900
+17% +$836K 0.19% 133
2019
Q1
$5.86M Buy
62,700
+47,700
+318% +$3.99M 0.2% 133
2018
Q4
$1.09M Sell
15,000
-51,500
-77% -$3.96M 0.04% 460
2018
Q3
$5.82M Hold
66,500
0.26% 111
2018
Q2
$6.55M Buy
66,500
+51,500
+343% +$5.11M 0.36% 78
2018
Q1
$1.79M Sell
15,000
-3,575
-19% -$461K 0.13% 218
2017
Q4
$2.36M Buy
+18,575
New +$2.33M 0.19% 147
2016
Q4
Sell
-25,618
Closed -$1.74M 536
2016
Q3
$1.74M Buy
+25,618
New +$1.81M 0.3% 86

Other funds holding ALNY

Steve Schonfeld's ALNY Position: Q2 2026 in Review

Steve Schonfeld reduced its Alnylam Pharmaceuticals (ALNY) stake by 57% in Q2 2026, selling an estimated $12.3M and leaving 31,112 shares worth $9.37M. The position accounts for 0.03% of the portfolio, ranked #434.

Steve Schonfeld first reported a position in ALNY in Q3 2016 and has held it in 26 quarters since. The position peaked at $35.2M in Q1 2024. 784 funds tracked by Wall St. Rank hold ALNY as of Q2 2026.

  • Steve Schonfeld held 31,112 shares of Alnylam Pharmaceuticals worth $9.37M as of Q2 2026.
  • Steve Schonfeld sold 40,655 Alnylam Pharmaceuticals shares in Q2 2026, an estimated $12.3M.
  • Alnylam Pharmaceuticals made up 0.03% of Steve Schonfeld's portfolio in Q2 2026, its #434 holding.
  • Steve Schonfeld first reported a position in Alnylam Pharmaceuticals in Q3 2016 and has held it in 26 quarters since.
  • Steve Schonfeld's Alnylam Pharmaceuticals position peaked at $35.2M in Q1 2024.
  • 784 funds tracked by Wall St. Rank held Alnylam Pharmaceuticals as of Q2 2026.

Based on Schonfeld Strategic Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.