Skip to main content

Alexion Pharmaceuticals, Inc.

ALXNDelisted Jul 21, 2021
Industry
Pharmaceutical Preparations
SEC CIK
0000899866

Alexion Pharmaceuticals, Inc. was delisted on Jul 21, 2021; its insiders filed their last Form 4 on Jul 23, 2021; 711 institutions reported holding it in 13F filings for Q2 2021, worth $39.1B in total; superinvestors Soros Fund Management and Maverick Capital held it.

13F holders, Q1 2021

Institutional positions in Alexion Pharmaceuticals, Inc. as of Mar 31, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
755
No complete 13F data for Q4 2020
Shares held
204.6M
No complete 13F data for Q4 2020
Total value
$31.3B
No complete 13F data for Q4 2020

Holders and value by quarter

Institutions reporting ALXN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2021: 755 institutions
Q1 2021: 755 institutionsQ2 2021: 711 institutionsQ3 2021: 7 institutionsQ4 2021: 2 institutionsQ1 2022: 1 institutionQ2 2022: 1 institutionQ3 2022: 1 institutionQ4 2022: 1 institutionQ1 2023: 1 institutionQ2 2023: 1 institutionQ3 2023: 1 institutionQ4 2023: 1 institutionQ1 2024: 0 institutionsQ2 2024: 0 institutionsQ3 2024: 0 institutionsQ4 2024: 1 institutionQ1 2025: 0 institutionsQ2 2025: 1 institutionQ3 2025: 1 institutionQ4 2025: 1 institutionQ1 2026: 2 institutionsQ2 2026: 0 institutions
Value heldQ1 2021: $31.3B
Q1 2021: $31.3BQ2 2021: $39.1BQ3 2021: $823.0KQ4 2021: $14.0KQ1 2022: $13.0KQ2 2022: $13.0KQ3 2022: $16.0KQ4 2022: $13.0KQ1 2023: $13.0KQ2 2023: $13.6KQ3 2023: $10.4KQ4 2023: $8.83KQ1 2024: $0Q2 2024: $0Q3 2024: $0Q4 2024: $924.0KQ1 2025: $0Q2 2025: $5.52KQ3 2025: $5.79KQ4 2025: $5.40KQ1 2026: $2.16MQ2 2026: $0
Institutions holding ALXN and their total value by quarter
QuarterHoldersValue
Q2 20260$0
Q1 20262$2.16M
Q4 20251$5.40K
Q3 20251$5.79K
Q2 20251$5.52K
Q1 20250$0
Q4 20241$924.0K
Q3 20240$0
Q2 20240$0
Q1 20240$0
Q4 20231$8.83K
Q3 20231$10.4K
Q2 20231$13.6K
Q1 20231$13.0K
Q4 20221$13.0K
Q3 20221$16.0K
Q2 20221$13.0K
Q1 20221$13.0K
Q4 20212$14.0K
Q3 20217$823.0K
Q2 2021711$39.1B
Q1 2021755$31.3B

Institutions, Q1 2021

Shares, value and share of portfolio for each institution holding Alexion Pharmaceuticals, Inc..

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding ALXN in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Toronto Dominion Bank357,660$54.7M0.10%––
Marshall Wace, LLP356,266$54.5M0.29%––
Polaris Capital Management, LLC306,900$52.7M1.73%––
Railway Pension Investments Ltd339,093$51.9M0.48%––
UBS Group AG321,639$49.2M0.02%––
IndexIQ Advisors LLC307,086$47.0M1.66%––
Brandywine Global Investment Management, LLC304,729$46.6M0.35%––
State Board of Administration of Florida Retirement System303,236$46.4M0.09%––
Factory Mutual Insurance Co299,551$45.8M0.59%––
ProShare Advisors LLC291,530$44.6M0.14%––
Skandinaviska Enskilda Banken AB (publ)287,266$43.9M0.29%––
Principal Financial Group Inc278,848$42.6M0.03%––
New York State Common Retirement Fund278,200$42.5M0.05%––
New York State Teachers Retirement System277,024$42.4M0.09%––
Alyeska Investment Group, L.P.275,000$42.0M0.55%––
Picton Mahoney Asset Management270,000$41.3M2.06%––
Bank of Montreal266,814$41.2M0.03%––
AQR Capital Management LLC267,194$40.9M0.07%––
DekaBank Deutsche Girozentrale262,568$40.2M0.13%––
AXA S.A.261,471$40.0M0.12%––
MUFG Securities EMEA plc258,000$39.5M0.35%––
Royal Bank of Canada254,280$38.9M0.01%––
Gabelli Funds LLC252,415$38.6M0.26%––
Tibra Equities Europe Ltd240,606$36.8M11.25%––
Great West Life Assurance Co238,113$36.2M0.09%––
BNP Paribas Arbitrage, SA236,235$36.1M0.08%––
Palo Alto Investors LP235,276$36.0M2.05%––
Russell Investments Group, Ltd.235,010$35.9M0.06%––
Guggenheim Capital LLC234,599$35.9M0.24%––
Twin Securities, Inc.228,882$35.0M22.46%––
Weiss Multi-Strategy Advisers LLC225,751$34.5M0.78%––
Polar Capital Holdings Plc225,000$34.4M0.21%––
Governors Lane LP208,995$32.0M2.18%––
Empire Life Investments Inc.200,906$30.7M2.11%––
Prudential Financial Inc198,764$30.4M0.05%––
Weiss Asset Management LP197,956$30.3M0.89%––
Moore Capital Management, LP185,000$28.3M0.55%––
BNP PARIBAS ASSET MANAGEMENT Holding S.A.182,888$28.0M0.12%––
Van Eck Associates Corp175,092$26.8M0.07%––
State of Tennessee, Treasury Department172,207$26.3M0.11%––
Hunting Hill Global Capital, LLC170,701$26.1M10.08%––
Alpine Global Management, LLC167,557$25.6M2.46%––
Mitsubishi UFJ Trust & Banking Corp160,703$24.7M0.05%––
Phoenix Holdings Ltd.160,616$24.6M0.56%––
Pura Vida Investments, LLC156,581$23.9M1.66%––
KBC Group NV156,324$23.9M0.10%––
Victory Capital Management Inc154,836$23.7M0.02%––
Gabelli & Co Investment Advisers, Inc.154,764$23.7M2.94%––
Verition Fund Management LLC151,808$23.2M0.42%––
CQS (US), LLC151,725$23.2M1.53%––
Athanor Capital, LP151,219$23.1M0.95%––
Maven Securities LTD149,329$23.0M2.15%––
Yakira Capital Management, Inc.149,883$22.9M4.63%––
Agf Investments Inc.149,421$22.8M0.18%––
Chevy Chase Trust Holdings, Inc.147,606$22.6M0.08%––
Calamos Advisors LLC140,953$21.6M0.13%––
CIBC Asset Management Inc137,594$21.0M0.09%––
Western Standard LLC134,935$20.6M14.80%––
Quinn Opportunity Partners LLC133,511$20.4M1.29%––
Bardin Hill Management Partners LP131,899$20.2M3.74%––
State of New Jersey Common Pension Fund D130,948$20.0M0.07%––
Athos Capital Ltd126,000$19.3M3.35%––
Andra AP-fonden125,200$19.1M0.42%––
CNH Partners LLC122,941$18.8M0.68%––
Taurus Asset Management, LLC122,313$18.7M2.16%––
South Dakota Investment Council121,708$18.6M0.31%––
Voya Investment Management LLC119,520$18.3M0.04%––
Ensign Peak Advisors, Inc116,882$17.9M0.04%––
Public Employees Retirement System of Ohio116,838$17.9M0.07%––
Two Sigma Advisers, LP114,215$17.5M0.05%––
Mangrove Partners113,349$17.3M1.87%––
Tekla Capital Management LLC110,693$16.9M0.58%––
Nisa Investment Advisors, LLC108,015$16.5M0.10%––
Schonfeld Strategic Advisors LLC107,807$16.5M0.22%––
Asset Management One Co.,Ltd.107,509$16.4M0.07%––
Alberta Investment Management Corp107,084$16.4M0.15%––
Allianz Asset Management GmbH102,782$15.7M0.02%––
OrbiMed Advisors LLC102,100$15.6M0.15%––
Samson Rock Capital LLP100,000$15.3M3.82%––
AMP Capital Investors Ltd95,990$14.7M0.07%––
PointState Capital LP95,935$14.7M0.41%––
Korea Investment CORP95,200$14.6M0.05%––
TD Asset Management Inc94,407$14.4M0.02%––
Squarepoint Ops LLC94,225$14.4M0.13%––
Zurcher Kantonalbank (Zurich Cantonalbank)94,216$14.4M0.09%––
Kellner Capital, LLC92,850$14.2M5.15%––
American International Group, Inc.92,103$14.1M0.06%––
Robeco Institutional Asset Management B.V.91,678$14.0M0.03%––
Adams Diversified Equity Fund, Inc.91,200$13.9M0.60%––
PGGM Investments90,762$13.9M0.06%––
Standard Life Aberdeen plc89,972$13.8M0.03%––
Pinebridge Investments, L.P.88,114$13.5M0.17%––
Driehaus Capital Management LLC87,705$13.4M0.20%––
Storebrand Asset Management AS84,852$13.0M0.07%––
Silphium Asset Management Ltd84,500$12.9M6.10%––
Vestcor Inc83,108$12.7M0.48%––
Arrowstreet Capital, Limited Partnership82,600$12.6M0.02%––
Retirement Systems of Alabama82,001$12.5M0.05%––
Cinctive Capital Management LP79,316$12.1M0.77%––
APG Asset Management N.V.92,769$12.1M0.02%––