ALXN Alexion Pharmaceuticals

Alexion Pharmaceuticals, Inc. is a biopharmaceutical company, which focuses on serving patients with devastating and ultra-rare disorders through the development and commercialization of life-transforming therapeutic products. Its products include ultomiris, soliris, strensiq and kanuma. The company was founded by Joseph A. Madri, David W. Keiser, Stephen P. Squinto and Leonard Bell in January 1992 and is headquartered in Boston, MA.

Company profile

Ludwig Hantson
Fiscal year end
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IRS number

ALXN stock data



16 Feb 21
18 Apr 21
31 Dec 21
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Dec 20 Sep 20 Jun 20 Mar 20
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Dec 20 Dec 19 Dec 18 Dec 17
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Financial data from company earnings reports.

Date Owner Security Transaction Code Indirect 10b5-1 $Price #Shares $Value #Remaining
29 Mar 21 Ludwig Hantson Common Stock, par value $.0001 per share Payment of exercise Dispose F No No 154.03 2,332 359.2K 349,166
28 Feb 21 Daniel Bazarko Common Stock, par value $.0001 per share Grant Aquire A No No 0 7,616 0 38,499
28 Feb 21 John J Orloff Common Stock, par value $.0001 per share Grant Aquire A No No 0 24,473 0 88,324
28 Feb 21 Aradhana Sarin Common Stock, par value $.0001 per share Grant Aquire A No No 0 24,473 0 63,940
28 Feb 21 Indrani Lall Franchini Common Stock, par value $.0001 per share Grant Aquire A No No 0 18,033 0 64,378

Data for the last complete 13F reporting period. To see the most recent changes to ownership, click the ownership history button above.

87.7% owned by funds/institutions
13F holders
Current Prev Q Change
Total holders 795 690 +15.2%
Opened positions 187 71 +163.4%
Closed positions 82 72 +13.9%
Increased positions 234 257 -8.9%
Reduced positions 278 257 +8.2%
13F shares
Current Prev Q Change
Total value 30.11B 22.2B +35.6%
Total shares 192.75M 194.16M -0.7%
Total puts 2.44M 2.58M -5.4%
Total calls 2.66M 2.05M +30.1%
Total put/call ratio 0.9 1.3 -27.3%
Largest owners
Shares Value Change
Vanguard 19.41M $3.03B -2.2%
BLK Blackrock 18.17M $2.84B +0.4%
STT State Street 10.63M $1.66B -4.6%
Baker Bros. Advisors 8.76M $1.37B 0.0%
FMR 6.28M $981.89M -35.8%
Clearbridge Advisors 5.87M $916.53M -8.5%
JPM JPMorgan Chase & Co. 4.31M $673.61M +2.7%
Renaissance Technologies 4.11M $642.73M -13.5%
Geode Capital Management 3.84M $599.18M +1.5%
LSV Asset Management 3.36M $524.98M -5.2%
Largest transactions
Shares Bought/sold Change
FMR 6.28M -3.51M -35.8%
Norges Bank 3.17M +3.17M NEW
Pentwater Capital Management 2.96M +2.96M NEW
AMP Ameriprise Financial 2.35M -2.75M -53.9%
Adage Capital Partners GP, L.L.C. 2.92M +2.11M +260.1%
Orbimed Advisors 169K -2.02M -92.3%
Millennium Management 1.88M +1.64M +678.2%
TROW T. Rowe Price 1.54M -1.58M -50.7%
Aqr Capital Management 378.24K -1.51M -79.9%
First Trust Advisors 768.16K -1.37M -64.1%
Content analysis
H.S. junior Avg
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