Jane Street’s Alexion Pharmaceuticals ALXN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2021
Q3
Sell
-77,200
Closed -$14.2M 11266
2021
Q2
$14.2M Buy
77,200
+20,400
+36% +$3.5M 0.01% 1368
2021
Q1
$8.69M Sell
56,800
-271,400
-83% -$42M ﹤0.01% 1695
2020
Q4
$51.3M Buy
328,200
+117,000
+55% +$15M 0.03% 448
2020
Q3
$24.2M Buy
211,200
+14,700
+7% +$1.59M 0.01% 673
2020
Q2
$22.1M Buy
196,500
+82,300
+72% +$8.74M 0.02% 699
2020
Q1
$10.3M Buy
114,200
+45,500
+66% +$4.47M 0.01% 756
2019
Q4
$7.43M Buy
68,700
+31,400
+84% +$3.36M 0.01% 810
2019
Q3
$3.65M Sell
37,300
-23,200
-38% -$2.62M 0.01% 1239
2019
Q2
$7.92M Sell
60,500
-8,800
-13% -$1.13M 0.01% 751
2019
Q1
$9.37M Buy
69,300
+25,200
+57% +$3.13M 0.02% 727
2018
Q4
$4.29M Buy
44,100
+3,600
+9% +$426K 0.01% 1042
2018
Q3
$5.63M Sell
40,500
-2,700
-6% -$339K 0.01% 954
2018
Q2
$5.36M Sell
43,200
-52,000
-55% -$6.08M 0.01% 979
2018
Q1
$10.6M Buy
95,200
+78,300
+463% +$9.36M 0.03% 518
2017
Q4
$2.02M Sell
16,900
-59,400
-78% -$7.23M 0.01% 1590
2017
Q3
$10.7M Sell
76,300
-197,100
-72% -$26.8M 0.03% 490
2017
Q2
$33.3M Buy
+273,400
New +$31.8M 0.12% 154
2017
Q1
Sell
-70,300
Closed -$8.6M 4874
2016
Q4
$8.6M Buy
70,300
+64,800
+1,178% +$7.93M 0.04% 427
2016
Q3
$674K Sell
5,500
-7,300
-57% -$940K ﹤0.01% 2439
2016
Q2
$1.5M Buy
12,800
+200
+2% +$28.4K 0.01% 1548
2016
Q1
$1.75M Buy
12,600
+5,300
+73% +$778K 0.01% 1307
2015
Q4
$1.39M Buy
+7,300
New +$1.28M 0.01% 1397
2015
Q3
Sell
-2,900
Closed -$524K 4345
2015
Q2
$524K Buy
+2,900
New +$500K ﹤0.01% 2241

Other funds holding ALXN

Jane Street's ALXN Position: Q3 2021 in Review

Jane Street sold out of Alexion Pharmaceuticals (ALXN) in Q3 2021, closing a stake of 46,663 shares — an estimated $8.57M sold.

Jane Street first reported a position in ALXN in Q2 2013 and held it in 29 quarters. The position peaked at $24.5M in Q3 2020. 7 funds tracked by Wall St. Rank hold ALXN as of Q3 2021.

  • Jane Street reported no remaining Alexion Pharmaceuticals position as of Q3 2021 after selling out during the quarter.
  • Jane Street sold 46,663 Alexion Pharmaceuticals shares in Q3 2021, an estimated $8.57M.
  • Jane Street first reported a position in Alexion Pharmaceuticals in Q2 2013 and held it in 29 quarters.
  • Jane Street's Alexion Pharmaceuticals position peaked at $24.5M in Q3 2020.
  • 7 funds tracked by Wall St. Rank held Alexion Pharmaceuticals as of Q3 2021.

Based on Jane Street's 13F filing for Q3 2021, filed 16 Nov 2021.