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, Q2 2021
Institutional positions in Alexion Pharmaceuticals, Inc. as of Jun 30, 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
ALXN is no longer listed, so this page shows Q2 2021. 13F filings for later quarters list far fewer holders.
- Institutional holders
- 711
- −35 vs. Q1 2021
- Shares held
- 212.2M
- +9.05M (+4.5%) vs. Q1 2021
- Total value
- $39.1B
- +$8.00B (+25.8%) vs. Q1 2021
- New holders
- 67
- 241 more added
- Sold out
- 102
- 297 more reduced
9 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2021: new holders, sold out and not filed yet
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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 0 | $0 |
| Q1 2026 | 2 | $2.16M |
| Q4 2025 | 1 | $5.40K |
| Q3 2025 | 1 | $5.79K |
| Q2 2025 | 1 | $5.52K |
| Q1 2025 | 0 | $0 |
| Q4 2024 | 1 | $924.0K |
| Q3 2024 | 0 | $0 |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 1 | $8.83K |
| Q3 2023 | 1 | $10.4K |
| Q2 2023 | 1 | $13.6K |
| Q1 2023 | 1 | $13.0K |
| Q4 2022 | 1 | $13.0K |
| Q3 2022 | 1 | $16.0K |
| Q2 2022 | 1 | $13.0K |
| Q1 2022 | 1 | $13.0K |
| Q4 2021 | 2 | $14.0K |
| Q3 2021 | 7 | $823.0K |
| Q2 2021 | 711 | $39.1B |
| Q1 2021 | 755 | $31.3B |
Institutions, Q2 2021
Shares, value and share of portfolio for each institution holding Alexion Pharmaceuticals, Inc.; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| State of Michigan Retirement System | 57,961 | $10.6M | 0.06% | +300+0.5% | Added |
| Churchill Management Corp | 58,056 | $10.7M | 0.16% | +13,130+29.2% | Added |
| Envestnet Asset Management Inc | 59,200 | $10.9M | 0.01% | −12,973−18.0% | Reduced |
| BTG Pactual Global Asset Management Ltd | 59,764 | $11.0M | 4.90% | +13,000+27.8% | Added |
| Robeco Institutional Asset Management B.V. | 61,756 | $11.3M | 0.03% | −29,922−32.6% | Reduced |
| Arizona State Retirement System | 61,897 | $11.4M | 0.09% | +225+0.4% | Added |
| Maven Securities LTD | 62,000 | $11.4M | 1.20% | −87,329−58.5% | Reduced |
| Handelsbanken Fonder AB | 63,235 | $11.6M | 0.06% | +11,918+23.2% | Added |
| Amalgamated Bank | 63,389 | $11.6M | 0.09% | +51,432+430.1% | Added |
| Bardin Hill Management Partners LP | 63,707 | $11.7M | 2.06% | −68,192−51.7% | Reduced |
| Tekla Capital Management LLC | 64,453 | $11.8M | 0.38% | −46,240−41.8% | Reduced |
| Ramius Advisors LLC | 64,655 | $11.9M | 4.54% | +44,677+223.6% | Added |
| Nordea Investment Management AB | 66,189 | $12.2M | 0.02% | −11,739−15.1% | Reduced |
| Walleye Capital LLC | 66,350 | $12.2M | 0.45% | +25,983+64.4% | Added |
| APG Asset Management N.V. | 80,569 | $12.5M | 0.02% | −12,200−13.2% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 68,005 | $12.5M | 0.11% | −3,100−4.4% | Reduced |
| Virginia Retirement Systems Et Al | 68,200 | $12.5M | 0.12% | −6,000−8.1% | Reduced |
| Maso Capital Partners Ltd | 68,446 | $12.6M | 4.13% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 69,002 | $12.7M | 0.09% | −25,223−26.8% | Reduced |
| Aviva PLC | 69,824 | $12.8M | 0.06% | −608−0.9% | Reduced |
| Chicago Capital Management, LLC | 71,500 | $13.1M | 7.36% | +71,500 | New |
| Royal London Asset Management Ltd | 76,035 | $14.0M | 0.06% | +76,035 | New |
| Treasurer of the State of North Carolina | 76,950 | $14.1M | 0.08% | −1,110−1.4% | Reduced |
| Retirement Systems of Alabama | 80,849 | $14.9M | 0.05% | −1,152−1.4% | Reduced |
| Susquehanna International Group, LLP | 81,039 | $14.9M | 0.02% | +52,490+183.9% | Added |
| Oregon Public Employees Retirement Fund | 81,056 | $14.9M | 0.17% | +23,950+41.9% | Added |
| Pacer Advisors, Inc. | 81,332 | $14.9M | 0.21% | +24,349+42.7% | Added |
| Harvest Management LLC | 82,200 | $15.1M | 11.61% | +24,700+43.0% | Added |
| Vestcor Inc | 82,719 | $15.2M | 0.51% | −389−0.5% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 84,504 | $15.5M | 0.08% | +11,328+15.5% | Added |
| Standard Life Aberdeen plc | 84,822 | $15.6M | 0.03% | −5,150−5.7% | Reduced |
| Storebrand Asset Management AS | 87,133 | $16.0M | 0.08% | +2,281+2.7% | Added |
| American International Group, Inc. | 90,394 | $16.6M | 0.07% | −1,709−1.9% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 91,204 | $16.8M | 0.05% | +19,207+26.7% | Added |
| Driehaus Capital Management LLC | 92,205 | $16.9M | 0.22% | +4,500+5.1% | Added |
| AMP Capital Investors Ltd | 93,949 | $17.3M | 0.08% | −2,041−2.1% | Reduced |
| Palo Alto Investors LP | 94,850 | $17.4M | 0.96% | −140,426−59.7% | Reduced |
| Pinebridge Investments, L.P. | 94,943 | $17.4M | 0.20% | +6,829+7.8% | Added |
| Brookfield Asset Management Inc. | 97,000 | $17.8M | 0.08% | +77,000+385.0% | Added |
| Angelo Gordon & Co., L.P. | 105,000 | $19.3M | 2.26% | +65,000+162.5% | Added |
| Voya Investment Management LLC | 105,492 | $19.4M | 0.04% | −14,028−11.7% | Reduced |
| Asset Management One Co.,Ltd. | 106,324 | $19.5M | 0.07% | −1,185−1.1% | Reduced |
| Silphium Asset Management Ltd | 110,500 | $20.3M | 8.01% | +26,000+30.8% | Added |
| State of Alaska, Department of Revenue | 115,895 | $21.3M | 0.22% | +79,407+217.6% | Added |
| KBC Group NV | 116,026 | $21.3M | 0.08% | −40,298−25.8% | Reduced |
| Taurus Asset Management, LLC | 116,873 | $21.5M | 2.24% | −5,440−4.4% | Reduced |
| Qube Research & Technologies Ltd | 117,649 | $21.6M | 0.27% | +56,167+91.4% | Added |
| Allianz Asset Management GmbH | 117,856 | $21.7M | 0.02% | +15,074+14.7% | Added |
| Andra AP-fonden | 119,700 | $22.0M | 0.45% | −5,500−4.4% | Reduced |
| DLD Asset Management, LP | 120,497 | $22.1M | 1.72% | −281,627−70.0% | Reduced |
| CNH Partners LLC | 122,883 | $22.6M | 0.63% | −580.0% | Reduced |
| Prelude Capital Management, LLC | 124,788 | $22.9M | 1.27% | +78,136+167.5% | Added |
| Brandywine Global Investment Management, LLC | 128,267 | $23.6M | 0.17% | −176,462−57.9% | Reduced |
| Public Employees Retirement System of Ohio | 129,791 | $23.8M | 0.08% | +12,953+11.1% | Added |
| Kellner Capital, LLC | 130,478 | $24.0M | 7.35% | +37,628+40.5% | Added |
| State of New Jersey Common Pension Fund D | 130,717 | $24.0M | 0.08% | −231−0.2% | Reduced |
| Marshall Wace, LLP | 131,070 | $24.1M | 0.13% | −225,196−63.2% | Reduced |
| Chevy Chase Trust Holdings, Inc. | 140,836 | $25.9M | 0.09% | −6,770−4.6% | Reduced |
| Western Standard LLC | 143,982 | $26.5M | 15.79% | +9,047+6.7% | Added |
| Victory Capital Management Inc | 144,080 | $26.5M | 0.03% | −10,756−6.9% | Reduced |
| Agf Investments Inc. | 146,323 | $26.9M | 0.20% | −3,098−2.1% | Reduced |
| Yakira Capital Management, Inc. | 149,883 | $27.5M | 4.50% | 00.0% | Unchanged |
| OrbiMed Advisors LLC | 150,900 | $27.7M | 0.28% | +48,800+47.8% | Added |
| Public Sector Pension Investment Board | 151,212 | $27.8M | 0.18% | +130,419+627.2% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 151,775 | $27.9M | 0.06% | −8,928−5.6% | Reduced |
| Moore Capital Management, LP | 157,292 | $28.9M | 0.53% | −27,708−15.0% | Reduced |
| Phoenix Holdings Ltd. | 162,858 | $29.9M | 0.58% | +2,242+1.4% | Added |
| Calamos Advisors LLC | 169,936 | $31.2M | 0.16% | +28,983+20.6% | Added |
| State of Tennessee, Treasury Department | 172,482 | $31.7M | 0.12% | +275+0.2% | Added |
| Hunting Hill Global Capital, LLC | 174,236 | $32.0M | 9.98% | +3,535+2.1% | Added |
| Janus Henderson Group PLC | 177,532 | $32.6M | 0.01% | −465,289−72.4% | Reduced |
| Van Eck Associates Corp | 179,488 | $33.0M | 0.08% | +4,396+2.5% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 180,816 | $33.2M | 0.12% | −2,072−1.1% | Reduced |
| Athos Capital Ltd | 180,900 | $33.2M | 7.24% | +54,900+43.6% | Added |
| Alpine Global Management, LLC | 181,403 | $33.3M | 4.54% | +13,846+8.3% | Added |
| Alberta Investment Management Corp | 182,793 | $33.6M | 0.28% | +75,709+70.7% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 182,821 | $33.6M | 0.21% | −104,445−36.4% | Reduced |
| Gardner Lewis Asset Management L P | 186,910 | $34.3M | 5.66% | +116,910+167.0% | Added |
| Prudential Financial Inc | 189,305 | $34.8M | 0.05% | −9,459−4.8% | Reduced |
| Gabelli & Co Investment Advisers, Inc. | 189,497 | $34.8M | 4.02% | +34,733+22.4% | Added |
| CQS (US), LLC | 192,722 | $35.4M | 2.16% | +40,997+27.0% | Added |
| Schonfeld Strategic Advisors LLC | 193,900 | $35.6M | 0.40% | +86,093+79.9% | Added |
| Tibra Equities Europe Ltd | 204,456 | $37.6M | 11.60% | −36,150−15.0% | Reduced |
| GWM Asset Management Ltd | 209,500 | $38.5M | 15.81% | +140,200+202.3% | Added |
| Russell Investments Group, Ltd. | 216,189 | $39.7M | 0.07% | −18,821−8.0% | Reduced |
| Voloridge Investment Management, LLC | 220,520 | $40.5M | 0.28% | +220,520 | New |
| Guggenheim Capital LLC | 227,415 | $41.8M | 0.25% | −7,184−3.1% | Reduced |
| Impax Asset Management Group plc | 230,870 | $42.4M | 0.19% | −541,779−70.1% | Reduced |
| Vivaldi Asset Management, LLC | 237,142 | $43.6M | 6.50% | +213,185+889.9% | Added |
| AQR Capital Management LLC | 238,357 | $43.8M | 0.08% | −28,837−10.8% | Reduced |
| Picton Mahoney Asset Management | 254,781 | $46.8M | 1.69% | −15,219−5.6% | Reduced |
| New York State Teachers Retirement System | 258,438 | $47.5M | 0.10% | −18,586−6.7% | Reduced |
| DekaBank Deutsche Girozentrale | 261,130 | $47.8M | 0.14% | −1,438−0.5% | Reduced |
| New York State Common Retirement Fund | 260,562 | $47.9M | 0.05% | −17,638−6.3% | Reduced |
| Weiss Asset Management LP | 274,142 | $50.4M | 1.40% | +76,186+38.5% | Added |
| Principal Financial Group Inc | 285,699 | $52.5M | 0.03% | +6,851+2.5% | Added |
| ProShare Advisors LLC | 290,153 | $53.3M | 0.16% | −1,377−0.5% | Reduced |
| IndexIQ Advisors LLC | 293,572 | $53.9M | 1.82% | −13,514−4.4% | Reduced |
| Gabelli Funds LLC | 295,915 | $54.4M | 0.35% | +43,500+17.2% | Added |
| State Board of Administration of Florida Retirement System | 298,202 | $54.8M | 0.10% | −5,034−1.7% | Reduced |