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 |
|---|---|---|---|---|---|
| BNP Paribas Arbitrage, SA | 316,030 | $58.1M | 0.11% | +79,795+33.8% | Added |
| Amundi | 322,130 | $59.2M | 0.04% | +322,130 | New |
| Railway Pension Investments Ltd | 339,693 | $62.4M | 0.52% | +600+0.2% | Added |
| Athanor Capital, LP | 350,800 | $64.4M | 3.75% | +199,581+132.0% | Added |
| Twin Securities, Inc. | 353,881 | $65.0M | 24.57% | +124,999+54.6% | Added |
| Great West Life Assurance Co | 357,334 | $65.6M | 0.15% | +119,221+50.1% | Added |
| Spring Creek Capital LLC | 372,000 | $68.3M | 3.39% | −190,923−33.9% | Reduced |
| National Pension Service | 378,032 | $69.4M | 0.13% | +6,619+1.8% | Added |
| Verition Fund Management LLC | 380,182 | $69.8M | 1.03% | +228,374+150.4% | Added |
| Samson Rock Capital LLP | 382,552 | $70.3M | 13.85% | +282,552+282.6% | Added |
| Falcon Edge Capital, LP | 384,522 | $70.6M | 4.51% | −17,243−4.3% | Reduced |
| Weiss Multi-Strategy Advisers LLC | 391,633 | $71.9M | 1.64% | +165,882+73.5% | Added |
| Alyeska Investment Group, L.P. | 400,000 | $73.5M | 0.85% | +125,000+45.5% | Added |
| Ameriprise Financial Inc | 400,428 | $73.6M | 0.02% | −15,333−3.7% | Reduced |
| MUFG Securities EMEA plc | 406,000 | $74.6M | 0.81% | +148,000+57.4% | Added |
| California State Teachers Retirement System | 410,569 | $75.4M | 0.09% | −15,380−3.6% | Reduced |
| P Schoenfeld Asset Management LP | 415,168 | $76.3M | 4.80% | 00.0% | Unchanged |
| Rhumbline Advisers | 421,197 | $77.4M | 0.10% | −7,839−1.8% | Reduced |
| Governors Lane LP | 441,731 | $81.2M | 6.10% | +232,736+111.4% | Added |
| Canyon Capital Advisors LLC | 450,000 | $82.7M | 3.07% | 00.0% | Unchanged |
| UBS Group AG | 451,615 | $83.0M | 0.03% | +129,976+40.4% | Added |
| HSBC Holdings PLC | 454,149 | $83.5M | 0.10% | −181,762−28.6% | Reduced |
| Scharf Investments, LLC | 457,897 | $84.1M | 2.55% | −83,762−15.5% | Reduced |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 500,001 | $91.9M | 1.66% | +500,001 | New |
| Candriam Luxembourg S.C.A. | 503,510 | $92.5M | 0.63% | −106,772−17.5% | Reduced |
| LMR Partners LLP | 524,772 | $96.4M | 1.46% | +42,747+8.9% | Added |
| Eaton Vance Management | 525,590 | $96.6M | 0.13% | +1,619+0.3% | Added |
| Grantham, Mayo, Van Otterloo & Co. LLC | 528,033 | $97.0M | 0.49% | −141,290−21.1% | Reduced |
| Berry Street Capital Management LLP | 550,000 | $101.0M | 12.15% | +187,500+51.7% | Added |
| Beryl Capital Management LLC | 553,245 | $101.6M | 9.07% | +553,245 | New |
| State of Wisconsin Investment Board | 562,635 | $103.4M | 0.21% | +158,580+39.2% | Added |
| Water Island Capital LLC | 571,247 | $104.9M | 5.55% | +24,802+4.5% | Added |
| Toronto Dominion Bank | 573,820 | $105.4M | 0.16% | +216,160+60.4% | Added |
| Sculptor Capital LP | 580,776 | $106.7M | 0.92% | −1,441,598−71.3% | Reduced |
| Boussard & Gavaudan Investment Management LLP | 624,427 | $114.8M | 12.23% | −83,948−11.9% | Reduced |
| Sarissa Capital Management LP | 650,440 | $119.5M | 9.50% | 00.0% | Unchanged |
| Healthcare of Ontario Pension Plan Trust Fund | 671,284 | $123.3M | 0.27% | +63,180+10.4% | Added |
| First Trust Advisors LP | 672,646 | $123.6M | 0.13% | −46,025−6.4% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 678,880 | $124.7M | 0.07% | −35,087−4.9% | Reduced |
| Carlson Capital L P | 679,150 | $124.8M | 6.03% | +65,759+10.7% | Added |
| Nuveen Asset Management, LLC | 715,115 | $131.4M | 0.04% | −37,508−5.0% | Reduced |
| Sand Grove Capital Management LLP | 717,127 | $131.7M | 12.48% | −350,264−32.8% | Reduced |
| Price T Rowe Associates Inc | 725,032 | $133.2M | 0.01% | −67,287−8.5% | Reduced |
| Neuberger Berman Group LLC | 769,228 | $141.2M | 0.12% | −34,812−4.3% | 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 |
| Parametric Portfolio Associates LLC | 776,990 | $142.7M | 0.08% | −1,002−0.1% | Reduced |
| Goldman Sachs Group Inc | 781,412 | $143.6M | 0.04% | +119,633+18.1% | Added |
| Royal Bank of Canada | 831,958 | $152.8M | 0.04% | +577,678+227.2% | Added |
| Bank of Montreal | 839,239 | $154.7M | 0.08% | +572,425+214.5% | Added |
| Capstone Investment Advisors, LLC | 868,549 | $159.6M | 3.79% | −308,950−26.2% | Reduced |
| Melqart Asset Management (UK) Ltd | 885,384 | $162.7M | 7.31% | +54,600+6.6% | Added |
| Swiss National Bank | 900,881 | $165.5M | 0.10% | +58,950+7.0% | Added |
| PFM Health Sciences, LP | 901,441 | $165.6M | 5.33% | −158,190−14.9% | Reduced |
| Wells Fargo & Company | 904,290 | $166.1M | 0.04% | +338,049+59.7% | Added |
| Tudor Investment Corp Et Al | 907,855 | $166.8M | 3.40% | +380,114+72.0% | Added |
| TIG Advisors, LLC | 939,232 | $172.5M | 5.97% | +195,829+26.3% | Added |
| California Public Employees Retirement System | 949,278 | $174.4M | 0.13% | +429,040+82.5% | Added |
| Pictet Asset Management Ltd | 982,218 | $180.4M | 0.20% | −582,521−37.2% | Reduced |
| UBS Asset Management Americas Inc | 996,173 | $183.0M | 0.08% | −71,308−6.7% | Reduced |
| Ruffer LLP | 998,268 | $183.4M | 5.14% | +341,580+52.0% | Added |
| Arrowstreet Capital, Limited Partnership | 1,002,319 | $184.1M | 0.23% | +919,719+1,113.5% | Added |
| Hudson Bay Capital Management LP | 1,020,985 | $187.6M | 2.35% | +20,463+2.0% | Added |
| Manufacturers Life Insurance Company, The | 1,045,496 | $192.1M | 0.16% | −368,797−26.1% | Reduced |
| Invesco Ltd. | 1,052,026 | $193.3M | 0.05% | −87,037−7.6% | Reduced |
| Charles Schwab Investment Management Inc | 1,061,176 | $194.9M | 0.06% | +27,593+2.7% | Added |
| Bank of Nova Scotia | 1,104,245 | $202.9M | 0.38% | +31,666+3.0% | Added |
| Magnetar Financial LLC | 1,114,010 | $204.7M | 2.08% | −175,838−13.6% | Reduced |
| Glazer Capital, LLC | 1,205,390 | $221.4M | 3.43% | +1,205,390 | New |
| Alpine Associates Management Inc. | 1,219,200 | $224.0M | 6.15% | +173,500+16.6% | Added |
| D. E. Shaw & Co., Inc. | 1,241,928 | $228.2M | 0.26% | +162,843+15.1% | Added |
| Alliancebernstein L.P. | 1,254,045 | $230.4M | 0.09% | −218,732−14.9% | Reduced |
| Dimensional Fund Advisors LP | 1,314,023 | $241.4M | 0.08% | −1,917−0.1% | Reduced |
| Natixis | 1,339,811 | $246.1M | 1.08% | −316,689−19.1% | Reduced |
| Swedbank AB | 1,355,389 | $249.0M | 0.47% | −35,889−2.6% | Reduced |
| Westchester Capital Management, LLC | 1,388,701 | $255.1M | 6.48% | +83,165+6.4% | Added |
| Assenagon Asset Management S.A. | 1,426,193 | $262.0M | 1.12% | +1,426,193 | New |
| Bank of America Corp | 1,429,070 | $262.5M | 0.03% | +486,240+51.6% | Added |
| Taconic Capital Advisors LP | 1,481,000 | $272.1M | 8.79% | +501,000+51.1% | Added |
| Canada Pension Plan Investment Board | 1,500,325 | $275.6M | 0.33% | +880,985+142.2% | Added |
| PSquared Asset Management AG | 1,536,316 | $282.2M | 20.25% | +55,893+3.8% | Added |
| LSV Asset Management | 1,710,802 | $314.3M | 0.53% | −888,580−34.2% | Reduced |
| Morgan Stanley | 1,725,693 | $317.0M | 0.04% | −74,500−4.1% | Reduced |
| Credit Suisse AG | 1,744,843 | $320.5M | 0.25% | +373,222+27.2% | Added |
| JPMorgan Chase & Co | 1,748,795 | $321.3M | 0.04% | −515,586−22.8% | Reduced |
| Legal & General Group Plc | 1,758,060 | $323.0M | 0.11% | +315,094+21.8% | Added |
| Omni Partners US LLC | 1,283,115 | $325.7M | 14.37% | +1,283,115 | New |
| Bank of New York Mellon Corp | 1,826,157 | $335.5M | 0.06% | +12,491+0.7% | Added |
| Franklin Resources Inc | 1,902,026 | $349.4M | 0.13% | +11,357+0.6% | Added |
| Norges Bank | 1,951,561 | $358.5M | 0.08% | −271,531−12.2% | Reduced |
| Deutsche Bank AG | 2,217,236 | $407.3M | 0.20% | −62,309−2.7% | Reduced |
| Capitolis Advisors LLC | 2,247,287 | $412.8M | 4.85% | +1,005,666+81.0% | Added |
| Barclays PLC | 2,449,978 | $450.1M | 0.37% | −1,128,398−31.5% | Reduced |
| Northern Trust Corp | 2,788,528 | $512.3M | 0.09% | +78,189+2.9% | Added |
| Renaissance Technologies LLC | 3,147,521 | $578.2M | 0.72% | −180,600−5.4% | Reduced |
| Citadel Advisors LLC | 3,248,848 | $596.8M | 0.62% | +745,676+29.8% | Added |
| FMR LLC | 4,029,557 | $740.3M | 0.06% | +501,470+14.2% | Added |
| Geode Capital Management, LLC | 4,145,346 | $759.5M | 0.10% | +175,396+4.4% | Added |
| Citigroup Inc | 4,404,598 | $809.2M | 0.71% | +1,122,326+34.2% | Added |
| UBS Oconnor LLC | 4,428,122 | $813.5M | 7.28% | +2,861,349+182.6% | Added |