Sectoral Asset Management’s Alexion Pharmaceuticals ALXN Stock Holding History

Sectoral Asset Management’s Portfolio ALXN Stock Details ALXN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2021 Q2	–	Sell	-76,226	Closed	-$11.7M	–	137
2021 Q1	$11.7M	Sell	76,226 -11,750	-13%	-$1.82M	0.88%	47
2020 Q4	$13.7M	Buy	87,976 +36,700	+72%	+$4.72M	0.97%	42
2020 Q3	$5.87M	Sell	51,276 -74,500	-59%	-$8.04M	0.5%	65
2020 Q2	$14.1M	Buy	+125,776	New	+$13.4M	1.3%	34
2020 Q1	–	Sell	-25,399	Closed	-$2.75M	–	75
2019 Q4	$2.75M	Sell	25,399 -11,300	-31%	-$1.21M	0.41%	54
2019 Q3	$3.59M	Sell	36,699 -36,500	-50%	-$4.11M	0.62%	47
2019 Q2	$9.59M	Buy	+73,199	New	+$9.43M	1.15%	36
2018 Q4	–	Sell	-88,399	Closed	-$12.3M	–	152
2018 Q3	$12.3M	Sell	88,399 -91,901	-51%	-$11.5M	1.3%	31
2018 Q2	$22.4M	Buy	180,300 +84,300	+88%	+$9.85M	2.5%	13
2018 Q1	$10.7M	Buy	+96,000	New	+$11.5M	1.17%	31
2016 Q3	–	Sell	-251,348	Closed	-$29.3M	–	63
2016 Q2	$29.3M	Sell	251,348 -405,665	-62%	-$57.6M	3.03%	14
2016 Q1	$91.5M	Sell	657,013 -101,167	-13%	-$14.9M	4.42%	5
2015 Q4	$145M	Buy	758,180 +36,587	+5%	+$6.39M	6.17%	2
2015 Q3	$113M	Buy	721,593 +64,068	+10%	+$11.7M	5.17%	5
2015 Q2	$119M	Buy	657,525 +261,201	+66%	+$45.1M	4.96%	5
2015 Q1	$68.7M	Buy	396,324 +10,700	+3%	+$1.94M	2.61%	11
2014 Q4	$71.4M	Sell	385,624 -101,784	-21%	-$18.9M	3.2%	9
2014 Q3	$80.8M	Sell	487,408 -1,700	-0.3%	-$279K	3.4%	10
2014 Q2	$76.4M	Sell	489,108 -58,900	-11%	-$9.3M	3.24%	8
2014 Q1	$83.4M	Buy	548,008 +51,700	+10%	+$8.22M	3.43%	7
2013 Q4	$66M	Buy	496,308 +1,800	+0.4%	+$216K	2.84%	10
2013 Q3	$57.4M	Sell	494,508 -17,600	-3%	-$1.93M	2.76%	12
2013 Q2	$47.2M	Buy	+512,108	New	+$49.4M	1.4%	29

Other funds holding ALXN

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

FCM

Farallon Capital Management San Francisco, California $21.7B AUM 79.24% 1-Year Est. Return

HBK Investments Dallas, Texas $10.2B AUM 67.73% 1-Year Est. Return

DKCM

Davidson Kempner Capital Management New York $8.42B AUM 61.81% 1-Year Est. Return

Adage Capital Partners Boston, Massachusetts $71.3B AUM 56.8% 1-Year Est. Return

PCM

Pentwater Capital Management Naples, Florida $16.4B AUM 55.44% 1-Year Est. Return

Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

UOC

UBS O'Connor Chicago, Illinois $3.76B AUM 62.41% 1-Year Est. Return

Sectoral Asset Management's ALXN Position: Q2 2021 in Review

Sectoral Asset Management sold out of Alexion Pharmaceuticals (ALXN) in Q2 2021, closing a stake of 76,226 shares — an estimated $11.7M sold.

Sectoral Asset Management first reported a position in ALXN in Q2 2013 and held it in 23 quarters. The position peaked at $145M in Q4 2015. 710 funds tracked by Wall St. Rank hold ALXN as of Q2 2021.

Sectoral Asset Management reported no remaining Alexion Pharmaceuticals position as of Q2 2021 after selling out during the quarter.
Sectoral Asset Management sold 76,226 Alexion Pharmaceuticals shares in Q2 2021, an estimated $11.7M.
Sectoral Asset Management first reported a position in Alexion Pharmaceuticals in Q2 2013 and held it in 23 quarters.
Sectoral Asset Management's Alexion Pharmaceuticals position peaked at $145M in Q4 2015.
710 funds tracked by Wall St. Rank held Alexion Pharmaceuticals as of Q2 2021.

Based on Sectoral Asset Management's 13F filing for Q2 2021, filed 16 Aug 2021.