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 |
|---|---|---|---|---|---|
| Verition Fund Management LLC | 380,182 | $69.8M | 1.03% | +228,374+150.4% | Added |
| National Pension Service | 378,032 | $69.4M | 0.13% | +6,619+1.8% | Added |
| Spring Creek Capital LLC | 372,000 | $68.3M | 3.39% | −190,923−33.9% | Reduced |
| Great West Life Assurance Co | 357,334 | $65.6M | 0.15% | +119,221+50.1% | Added |
| Twin Securities, Inc. | 353,881 | $65.0M | 24.57% | +124,999+54.6% | Added |
| Athanor Capital, LP | 350,800 | $64.4M | 3.75% | +199,581+132.0% | Added |
| Railway Pension Investments Ltd | 339,693 | $62.4M | 0.52% | +600+0.2% | Added |
| Amundi | 322,130 | $59.2M | 0.04% | +322,130 | New |
| BNP Paribas Arbitrage, SA | 316,030 | $58.1M | 0.11% | +79,795+33.8% | Added |
| State Board of Administration of Florida Retirement System | 298,202 | $54.8M | 0.10% | −5,034−1.7% | Reduced |
| Gabelli Funds LLC | 295,915 | $54.4M | 0.35% | +43,500+17.2% | Added |
| IndexIQ Advisors LLC | 293,572 | $53.9M | 1.82% | −13,514−4.4% | Reduced |
| ProShare Advisors LLC | 290,153 | $53.3M | 0.16% | −1,377−0.5% | Reduced |
| Principal Financial Group Inc | 285,699 | $52.5M | 0.03% | +6,851+2.5% | Added |
| Weiss Asset Management LP | 274,142 | $50.4M | 1.40% | +76,186+38.5% | Added |
| New York State Common Retirement Fund | 260,562 | $47.9M | 0.05% | −17,638−6.3% | Reduced |
| DekaBank Deutsche Girozentrale | 261,130 | $47.8M | 0.14% | −1,438−0.5% | Reduced |
| New York State Teachers Retirement System | 258,438 | $47.5M | 0.10% | −18,586−6.7% | Reduced |
| Picton Mahoney Asset Management | 254,781 | $46.8M | 1.69% | −15,219−5.6% | Reduced |
| AQR Capital Management LLC | 238,357 | $43.8M | 0.08% | −28,837−10.8% | Reduced |
| Vivaldi Asset Management, LLC | 237,142 | $43.6M | 6.50% | +213,185+889.9% | Added |
| Impax Asset Management Group plc | 230,870 | $42.4M | 0.19% | −541,779−70.1% | Reduced |
| Guggenheim Capital LLC | 227,415 | $41.8M | 0.25% | −7,184−3.1% | Reduced |
| Voloridge Investment Management, LLC | 220,520 | $40.5M | 0.28% | +220,520 | New |
| Russell Investments Group, Ltd. | 216,189 | $39.7M | 0.07% | −18,821−8.0% | Reduced |
| GWM Asset Management Ltd | 209,500 | $38.5M | 15.81% | +140,200+202.3% | Added |
| Tibra Equities Europe Ltd | 204,456 | $37.6M | 11.60% | −36,150−15.0% | Reduced |
| Schonfeld Strategic Advisors LLC | 193,900 | $35.6M | 0.40% | +86,093+79.9% | Added |
| CQS (US), LLC | 192,722 | $35.4M | 2.16% | +40,997+27.0% | Added |
| Gabelli & Co Investment Advisers, Inc. | 189,497 | $34.8M | 4.02% | +34,733+22.4% | Added |
| Prudential Financial Inc | 189,305 | $34.8M | 0.05% | −9,459−4.8% | Reduced |
| Gardner Lewis Asset Management L P | 186,910 | $34.3M | 5.66% | +116,910+167.0% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 182,821 | $33.6M | 0.21% | −104,445−36.4% | Reduced |
| Alberta Investment Management Corp | 182,793 | $33.6M | 0.28% | +75,709+70.7% | Added |
| Alpine Global Management, LLC | 181,403 | $33.3M | 4.54% | +13,846+8.3% | Added |
| Athos Capital Ltd | 180,900 | $33.2M | 7.24% | +54,900+43.6% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 180,816 | $33.2M | 0.12% | −2,072−1.1% | Reduced |
| Van Eck Associates Corp | 179,488 | $33.0M | 0.08% | +4,396+2.5% | Added |
| Janus Henderson Group PLC | 177,532 | $32.6M | 0.01% | −465,289−72.4% | Reduced |
| Hunting Hill Global Capital, LLC | 174,236 | $32.0M | 9.98% | +3,535+2.1% | Added |
| State of Tennessee, Treasury Department | 172,482 | $31.7M | 0.12% | +275+0.2% | Added |
| Calamos Advisors LLC | 169,936 | $31.2M | 0.16% | +28,983+20.6% | Added |
| Phoenix Holdings Ltd. | 162,858 | $29.9M | 0.58% | +2,242+1.4% | Added |
| Moore Capital Management, LP | 157,292 | $28.9M | 0.53% | −27,708−15.0% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 151,775 | $27.9M | 0.06% | −8,928−5.6% | Reduced |
| Public Sector Pension Investment Board | 151,212 | $27.8M | 0.18% | +130,419+627.2% | Added |
| OrbiMed Advisors LLC | 150,900 | $27.7M | 0.28% | +48,800+47.8% | Added |
| Yakira Capital Management, Inc. | 149,883 | $27.5M | 4.50% | 00.0% | Unchanged |
| Agf Investments Inc. | 146,323 | $26.9M | 0.20% | −3,098−2.1% | Reduced |
| Victory Capital Management Inc | 144,080 | $26.5M | 0.03% | −10,756−6.9% | Reduced |
| Western Standard LLC | 143,982 | $26.5M | 15.79% | +9,047+6.7% | Added |
| Chevy Chase Trust Holdings, Inc. | 140,836 | $25.9M | 0.09% | −6,770−4.6% | Reduced |
| Marshall Wace, LLP | 131,070 | $24.1M | 0.13% | −225,196−63.2% | Reduced |
| State of New Jersey Common Pension Fund D | 130,717 | $24.0M | 0.08% | −231−0.2% | Reduced |
| Kellner Capital, LLC | 130,478 | $24.0M | 7.35% | +37,628+40.5% | Added |
| Public Employees Retirement System of Ohio | 129,791 | $23.8M | 0.08% | +12,953+11.1% | Added |
| Brandywine Global Investment Management, LLC | 128,267 | $23.6M | 0.17% | −176,462−57.9% | Reduced |
| Prelude Capital Management, LLC | 124,788 | $22.9M | 1.27% | +78,136+167.5% | Added |
| CNH Partners LLC | 122,883 | $22.6M | 0.63% | −580.0% | Reduced |
| DLD Asset Management, LP | 120,497 | $22.1M | 1.72% | −281,627−70.0% | Reduced |
| Andra AP-fonden | 119,700 | $22.0M | 0.45% | −5,500−4.4% | Reduced |
| Allianz Asset Management GmbH | 117,856 | $21.7M | 0.02% | +15,074+14.7% | Added |
| Qube Research & Technologies Ltd | 117,649 | $21.6M | 0.27% | +56,167+91.4% | Added |
| Taurus Asset Management, LLC | 116,873 | $21.5M | 2.24% | −5,440−4.4% | Reduced |
| KBC Group NV | 116,026 | $21.3M | 0.08% | −40,298−25.8% | Reduced |
| State of Alaska, Department of Revenue | 115,895 | $21.3M | 0.22% | +79,407+217.6% | Added |
| Silphium Asset Management Ltd | 110,500 | $20.3M | 8.01% | +26,000+30.8% | Added |
| Asset Management One Co.,Ltd. | 106,324 | $19.5M | 0.07% | −1,185−1.1% | Reduced |
| Voya Investment Management LLC | 105,492 | $19.4M | 0.04% | −14,028−11.7% | Reduced |
| Angelo Gordon & Co., L.P. | 105,000 | $19.3M | 2.26% | +65,000+162.5% | Added |
| Brookfield Asset Management Inc. | 97,000 | $17.8M | 0.08% | +77,000+385.0% | Added |
| Pinebridge Investments, L.P. | 94,943 | $17.4M | 0.20% | +6,829+7.8% | Added |
| Palo Alto Investors LP | 94,850 | $17.4M | 0.96% | −140,426−59.7% | Reduced |
| AMP Capital Investors Ltd | 93,949 | $17.3M | 0.08% | −2,041−2.1% | Reduced |
| Driehaus Capital Management LLC | 92,205 | $16.9M | 0.22% | +4,500+5.1% | Added |
| Mirae Asset Global Investments Co., Ltd. | 91,204 | $16.8M | 0.05% | +19,207+26.7% | Added |
| American International Group, Inc. | 90,394 | $16.6M | 0.07% | −1,709−1.9% | Reduced |
| Storebrand Asset Management AS | 87,133 | $16.0M | 0.08% | +2,281+2.7% | Added |
| Standard Life Aberdeen plc | 84,822 | $15.6M | 0.03% | −5,150−5.7% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 84,504 | $15.5M | 0.08% | +11,328+15.5% | Added |
| Vestcor Inc | 82,719 | $15.2M | 0.51% | −389−0.5% | Reduced |
| Harvest Management LLC | 82,200 | $15.1M | 11.61% | +24,700+43.0% | Added |
| Pacer Advisors, Inc. | 81,332 | $14.9M | 0.21% | +24,349+42.7% | Added |
| Oregon Public Employees Retirement Fund | 81,056 | $14.9M | 0.17% | +23,950+41.9% | Added |
| Susquehanna International Group, LLP | 81,039 | $14.9M | 0.02% | +52,490+183.9% | Added |
| Retirement Systems of Alabama | 80,849 | $14.9M | 0.05% | −1,152−1.4% | Reduced |
| Treasurer of the State of North Carolina | 76,950 | $14.1M | 0.08% | −1,110−1.4% | Reduced |
| Royal London Asset Management Ltd | 76,035 | $14.0M | 0.06% | +76,035 | New |
| Chicago Capital Management, LLC | 71,500 | $13.1M | 7.36% | +71,500 | New |
| Aviva PLC | 69,824 | $12.8M | 0.06% | −608−0.9% | Reduced |
| Squarepoint Ops LLC | 69,002 | $12.7M | 0.09% | −25,223−26.8% | Reduced |
| Maso Capital Partners Ltd | 68,446 | $12.6M | 4.13% | 00.0% | Unchanged |
| Virginia Retirement Systems Et Al | 68,200 | $12.5M | 0.12% | −6,000−8.1% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 68,005 | $12.5M | 0.11% | −3,100−4.4% | Reduced |
| APG Asset Management N.V. | 80,569 | $12.5M | 0.02% | −12,200−13.2% | Reduced |
| Walleye Capital LLC | 66,350 | $12.2M | 0.45% | +25,983+64.4% | Added |
| Nordea Investment Management AB | 66,189 | $12.2M | 0.02% | −11,739−15.1% | Reduced |
| Ramius Advisors LLC | 64,655 | $11.9M | 4.54% | +44,677+223.6% | Added |
| Tekla Capital Management LLC | 64,453 | $11.8M | 0.38% | −46,240−41.8% | Reduced |
| Bardin Hill Management Partners LP | 63,707 | $11.7M | 2.06% | −68,192−51.7% | Reduced |