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
-33,400
Closed -$6.14M 11268
2021
Q2
$6.14M Sell
33,400
-20,000
-37% -$3.43M ﹤0.01% 2336
2021
Q1
$8.16M Sell
53,400
-177,100
-77% -$27.4M ﹤0.01% 1756
2020
Q4
$36M Sell
230,500
-22,300
-9% -$2.87M 0.02% 561
2020
Q3
$28.9M Buy
252,800
+6,400
+3% +$690K 0.02% 600
2020
Q2
$27.7M Buy
246,400
+231,700
+1,576% +$24.6M 0.02% 599
2020
Q1
$1.32M Sell
14,700
-55,200
-79% -$5.42M ﹤0.01% 2480
2019
Q4
$7.56M Sell
69,900
-300
-0.4% -$32.1K 0.01% 798
2019
Q3
$6.88M Buy
70,200
+46,500
+196% +$5.24M 0.01% 784
2019
Q2
$3.1M Buy
23,700
+8,600
+57% +$1.11M 0.01% 1445
2019
Q1
$2.04M Sell
15,100
-101,800
-87% -$12.7M ﹤0.01% 2006
2018
Q4
$11.4M Buy
116,900
+106,200
+993% +$12.6M 0.02% 512
2018
Q3
$1.49M Sell
10,700
-39,000
-78% -$4.89M ﹤0.01% 2248
2018
Q2
$6.17M Sell
49,700
-70,500
-59% -$8.24M 0.01% 884
2018
Q1
$13.4M Buy
120,200
+83,500
+228% +$9.98M 0.03% 429
2017
Q4
$4.39M Sell
36,700
-1,200
-3% -$146K 0.01% 962
2017
Q3
$5.32M Sell
37,900
-24,300
-39% -$3.3M 0.02% 837
2017
Q2
$7.57M Buy
62,200
+38,500
+162% +$4.48M 0.03% 577
2017
Q1
$2.87M Sell
23,700
-80,700
-77% -$10.4M 0.01% 1065
2016
Q4
$12.8M Buy
104,400
+95,300
+1,047% +$11.7M 0.06% 279
2016
Q3
$1.11M Sell
9,100
-7,000
-43% -$901K 0.01% 1822
2016
Q2
$1.88M Buy
16,100
+9,800
+156% +$1.39M 0.01% 1331
2016
Q1
$877K Buy
+6,300
New +$925K ﹤0.01% 1973
2015
Q4
Sell
-4,000
Closed -$626K 4624
2015
Q3
$626K Buy
4,000
+1,900
+90% +$347K ﹤0.01% 2077
2015
Q2
$380K Buy
+2,100
New +$362K ﹤0.01% 2571

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.