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 |
|---|---|---|---|---|---|
| Vanguard Group Inc | 20,367,300 | $3.74B | 0.09% | +798,317+4.1% | Added |
| BlackRock Inc. | 17,495,607 | $3.21B | 0.09% | −54,688−0.3% | Reduced |
| State Street Corp | 10,033,808 | $1.84B | 0.10% | +156,274+1.6% | Added |
| Farallon Capital Management, L.L.C. | 7,707,500 | $1.42B | 6.83% | +1,932,500+33.5% | Added |
| HBK Investments L P | 6,600,000 | $1.21B | 11.63% | +875,000+15.3% | Added |
| Davidson Kempner Capital Management LP | 5,473,378 | $1.01B | 7.84% | +1,409,202+34.7% | Added |
| Adage Capital Partners GP, L.L.C. | 5,238,014 | $962.3M | 1.88% | +995,635+23.5% | Added |
| Pentwater Capital Management LP | 4,933,200 | $906.3M | 9.31% | +643,956+15.0% | Added |
| Millennium Management LLC | 4,829,380 | $887.2M | 1.14% | +2,276,841+89.2% | Added |
| UBS Oconnor LLC | 4,428,122 | $813.5M | 7.28% | +2,861,349+182.6% | Added |
| Citigroup Inc | 4,404,598 | $809.2M | 0.71% | +1,122,326+34.2% | Added |
| Geode Capital Management, LLC | 4,145,346 | $759.5M | 0.10% | +175,396+4.4% | Added |
| FMR LLC | 4,029,557 | $740.3M | 0.06% | +501,470+14.2% | Added |
| Citadel Advisors LLC | 3,248,848 | $596.8M | 0.62% | +745,676+29.8% | Added |
| Renaissance Technologies LLC | 3,147,521 | $578.2M | 0.72% | −180,600−5.4% | Reduced |
| Northern Trust Corp | 2,788,528 | $512.3M | 0.09% | +78,189+2.9% | Added |
| Barclays PLC | 2,449,978 | $450.1M | 0.37% | −1,128,398−31.5% | Reduced |
| Capitolis Advisors LLC | 2,247,287 | $412.8M | 4.85% | +1,005,666+81.0% | Added |
| Deutsche Bank AG | 2,217,236 | $407.3M | 0.20% | −62,309−2.7% | Reduced |
| Norges Bank | 1,951,561 | $358.5M | 0.08% | −271,531−12.2% | Reduced |
| Franklin Resources Inc | 1,902,026 | $349.4M | 0.13% | +11,357+0.6% | Added |
| Bank of New York Mellon Corp | 1,826,157 | $335.5M | 0.06% | +12,491+0.7% | Added |
| Omni Partners US LLC | 1,283,115 | $325.7M | 14.37% | +1,283,115 | New |
| Legal & General Group Plc | 1,758,060 | $323.0M | 0.11% | +315,094+21.8% | Added |
| JPMorgan Chase & Co | 1,748,795 | $321.3M | 0.04% | −515,586−22.8% | Reduced |
| Credit Suisse AG | 1,744,843 | $320.5M | 0.25% | +373,222+27.2% | Added |
| Morgan Stanley | 1,725,693 | $317.0M | 0.04% | −74,500−4.1% | Reduced |
| LSV Asset Management | 1,710,802 | $314.3M | 0.53% | −888,580−34.2% | Reduced |
| PSquared Asset Management AG | 1,536,316 | $282.2M | 20.25% | +55,893+3.8% | Added |
| Canada Pension Plan Investment Board | 1,500,325 | $275.6M | 0.33% | +880,985+142.2% | Added |
| Taconic Capital Advisors LP | 1,481,000 | $272.1M | 8.79% | +501,000+51.1% | Added |
| Bank of America Corp | 1,429,070 | $262.5M | 0.03% | +486,240+51.6% | Added |
| Assenagon Asset Management S.A. | 1,426,193 | $262.0M | 1.12% | +1,426,193 | New |
| Westchester Capital Management, LLC | 1,388,701 | $255.1M | 6.48% | +83,165+6.4% | Added |
| Swedbank AB | 1,355,389 | $249.0M | 0.47% | −35,889−2.6% | Reduced |
| Natixis | 1,339,811 | $246.1M | 1.08% | −316,689−19.1% | Reduced |
| Dimensional Fund Advisors LP | 1,314,023 | $241.4M | 0.08% | −1,917−0.1% | Reduced |
| Alliancebernstein L.P. | 1,254,045 | $230.4M | 0.09% | −218,732−14.9% | Reduced |
| D. E. Shaw & Co., Inc. | 1,241,928 | $228.2M | 0.26% | +162,843+15.1% | Added |
| Alpine Associates Management Inc. | 1,219,200 | $224.0M | 6.15% | +173,500+16.6% | Added |
| Glazer Capital, LLC | 1,205,390 | $221.4M | 3.43% | +1,205,390 | New |
| Magnetar Financial LLC | 1,114,010 | $204.7M | 2.08% | −175,838−13.6% | Reduced |
| Bank of Nova Scotia | 1,104,245 | $202.9M | 0.38% | +31,666+3.0% | Added |
| Charles Schwab Investment Management Inc | 1,061,176 | $194.9M | 0.06% | +27,593+2.7% | Added |
| Invesco Ltd. | 1,052,026 | $193.3M | 0.05% | −87,037−7.6% | Reduced |
| Manufacturers Life Insurance Company, The | 1,045,496 | $192.1M | 0.16% | −368,797−26.1% | Reduced |
| Hudson Bay Capital Management LP | 1,020,985 | $187.6M | 2.35% | +20,463+2.0% | Added |
| Arrowstreet Capital, Limited Partnership | 1,002,319 | $184.1M | 0.23% | +919,719+1,113.5% | Added |
| Ruffer LLP | 998,268 | $183.4M | 5.14% | +341,580+52.0% | Added |
| UBS Asset Management Americas Inc | 996,173 | $183.0M | 0.08% | −71,308−6.7% | Reduced |
| Pictet Asset Management Ltd | 982,218 | $180.4M | 0.20% | −582,521−37.2% | Reduced |
| California Public Employees Retirement System | 949,278 | $174.4M | 0.13% | +429,040+82.5% | Added |
| TIG Advisors, LLC | 939,232 | $172.5M | 5.97% | +195,829+26.3% | Added |
| Tudor Investment Corp Et Al | 907,855 | $166.8M | 3.40% | +380,114+72.0% | Added |
| Wells Fargo & Company | 904,290 | $166.1M | 0.04% | +338,049+59.7% | Added |
| PFM Health Sciences, LP | 901,441 | $165.6M | 5.33% | −158,190−14.9% | Reduced |
| Swiss National Bank | 900,881 | $165.5M | 0.10% | +58,950+7.0% | Added |
| Melqart Asset Management (UK) Ltd | 885,384 | $162.7M | 7.31% | +54,600+6.6% | Added |
| Capstone Investment Advisors, LLC | 868,549 | $159.6M | 3.79% | −308,950−26.2% | Reduced |
| Bank of Montreal | 839,239 | $154.7M | 0.08% | +572,425+214.5% | Added |
| Royal Bank of Canada | 831,958 | $152.8M | 0.04% | +577,678+227.2% | Added |
| Goldman Sachs Group Inc | 781,412 | $143.6M | 0.04% | +119,633+18.1% | Added |
| Parametric Portfolio Associates LLC | 776,990 | $142.7M | 0.08% | −1,002−0.1% | Reduced |
| Balyasny Asset Management LLC | 771,620 | $141.8M | 0.78% | −28,724−3.6% | Reduced |
| Segantii Capital Management Ltd | 771,618 | $141.8M | 4.49% | +342,804+79.9% | Added |
| Neuberger Berman Group LLC | 769,228 | $141.2M | 0.12% | −34,812−4.3% | Reduced |
| Price T Rowe Associates Inc | 725,032 | $133.2M | 0.01% | −67,287−8.5% | Reduced |
| Sand Grove Capital Management LLP | 717,127 | $131.7M | 12.48% | −350,264−32.8% | Reduced |
| Nuveen Asset Management, LLC | 715,115 | $131.4M | 0.04% | −37,508−5.0% | Reduced |
| Carlson Capital L P | 679,150 | $124.8M | 6.03% | +65,759+10.7% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 678,880 | $124.7M | 0.07% | −35,087−4.9% | Reduced |
| First Trust Advisors LP | 672,646 | $123.6M | 0.13% | −46,025−6.4% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 671,284 | $123.3M | 0.27% | +63,180+10.4% | Added |
| Sarissa Capital Management LP | 650,440 | $119.5M | 9.50% | 00.0% | Unchanged |
| Boussard & Gavaudan Investment Management LLP | 624,427 | $114.8M | 12.23% | −83,948−11.9% | Reduced |
| Sculptor Capital LP | 580,776 | $106.7M | 0.92% | −1,441,598−71.3% | Reduced |
| Toronto Dominion Bank | 573,820 | $105.4M | 0.16% | +216,160+60.4% | Added |
| Water Island Capital LLC | 571,247 | $104.9M | 5.55% | +24,802+4.5% | Added |
| State of Wisconsin Investment Board | 562,635 | $103.4M | 0.21% | +158,580+39.2% | Added |
| Beryl Capital Management LLC | 553,245 | $101.6M | 9.07% | +553,245 | New |
| Berry Street Capital Management LLP | 550,000 | $101.0M | 12.15% | +187,500+51.7% | Added |
| Grantham, Mayo, Van Otterloo & Co. LLC | 528,033 | $97.0M | 0.49% | −141,290−21.1% | Reduced |
| Eaton Vance Management | 525,590 | $96.6M | 0.13% | +1,619+0.3% | Added |
| LMR Partners LLP | 524,772 | $96.4M | 1.46% | +42,747+8.9% | Added |
| Candriam Luxembourg S.C.A. | 503,510 | $92.5M | 0.63% | −106,772−17.5% | Reduced |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 500,001 | $91.9M | 1.66% | +500,001 | New |
| Scharf Investments, LLC | 457,897 | $84.1M | 2.55% | −83,762−15.5% | Reduced |
| HSBC Holdings PLC | 454,149 | $83.5M | 0.10% | −181,762−28.6% | Reduced |
| UBS Group AG | 451,615 | $83.0M | 0.03% | +129,976+40.4% | Added |
| Canyon Capital Advisors LLC | 450,000 | $82.7M | 3.07% | 00.0% | Unchanged |
| Governors Lane LP | 441,731 | $81.2M | 6.10% | +232,736+111.4% | Added |
| Rhumbline Advisers | 421,197 | $77.4M | 0.10% | −7,839−1.8% | Reduced |
| P Schoenfeld Asset Management LP | 415,168 | $76.3M | 4.80% | 00.0% | Unchanged |
| California State Teachers Retirement System | 410,569 | $75.4M | 0.09% | −15,380−3.6% | Reduced |
| MUFG Securities EMEA plc | 406,000 | $74.6M | 0.81% | +148,000+57.4% | Added |
| Ameriprise Financial Inc | 400,428 | $73.6M | 0.02% | −15,333−3.7% | Reduced |
| Alyeska Investment Group, L.P. | 400,000 | $73.5M | 0.85% | +125,000+45.5% | Added |
| Weiss Multi-Strategy Advisers LLC | 391,633 | $71.9M | 1.64% | +165,882+73.5% | Added |
| Falcon Edge Capital, LP | 384,522 | $70.6M | 4.51% | −17,243−4.3% | Reduced |
| Samson Rock Capital LLP | 382,552 | $70.3M | 13.85% | +282,552+282.6% | Added |