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 |
|---|---|---|---|---|---|
| Millennium Management LLC | 4,829,380 | $887.2M | 1.14% | +2,276,841+89.2% | Added |
| Pentwater Capital Management LP | 4,933,200 | $906.3M | 9.31% | +643,956+15.0% | Added |
| Adage Capital Partners GP, L.L.C. | 5,238,014 | $962.3M | 1.88% | +995,635+23.5% | Added |
| Davidson Kempner Capital Management LP | 5,473,378 | $1.01B | 7.84% | +1,409,202+34.7% | Added |
| HBK Investments L P | 6,600,000 | $1.21B | 11.63% | +875,000+15.3% | Added |
| Farallon Capital Management, L.L.C. | 7,707,500 | $1.42B | 6.83% | +1,932,500+33.5% | Added |
| State Street Corp | 10,033,808 | $1.84B | 0.10% | +156,274+1.6% | Added |
| BlackRock Inc. | 17,495,607 | $3.21B | 0.09% | −54,688−0.3% | Reduced |
| Vanguard Group Inc | 20,367,300 | $3.74B | 0.09% | +798,317+4.1% | Added |
| Sofos Investments, Inc. | 11 | – | – | −6−35.3% | Reduced |
| Harel Insurance Investments & Financial Services Ltd. | 197 | – | – | +197 | New |
| Baker Bros. Advisors LP | 0 | $0 | 0.00% | −3,993,312−100.0% | Sold out |
| Paulson & Co. Inc. | 0 | $0 | 0.00% | −1,400,000−100.0% | Sold out |
| Deerfield Management Company, L.P. (Series C) | 0 | $0 | 0.00% | −579,248−100.0% | Sold out |
| Eversept Partners, LP | 0 | $0 | 0.00% | −465,983−100.0% | Sold out |
| Polaris Capital Management, LLC | 0 | $0 | 0.00% | −306,900−100.0% | Sold out |
| Factory Mutual Insurance Co | 0 | $0 | 0.00% | −299,551−100.0% | Sold out |
| Polar Capital Holdings Plc | 0 | $0 | 0.00% | −225,000−100.0% | Sold out |
| Pura Vida Investments, LLC | 0 | $0 | 0.00% | −156,581−100.0% | Sold out |
| Quinn Opportunity Partners LLC | 0 | $0 | 0.00% | −133,511−100.0% | Sold out |
| Ensign Peak Advisors, Inc | 0 | $0 | 0.00% | −116,882−100.0% | Sold out |
| Mangrove Partners | 0 | $0 | 0.00% | −113,349−100.0% | Sold out |
| PointState Capital LP | 0 | $0 | 0.00% | −95,935−100.0% | Sold out |
| TD Asset Management Inc | 0 | $0 | 0.00% | −94,407−100.0% | Sold out |
| Adams Diversified Equity Fund, Inc. | 0 | $0 | 0.00% | −91,200−100.0% | Sold out |
| PGGM Investments | 0 | $0 | 0.00% | −90,762−100.0% | Sold out |
| Sectoral Asset Management Inc | 0 | $0 | 0.00% | −76,226−100.0% | Sold out |
| CIBC Private Wealth Group, LLC | 0 | $0 | 0.00% | −72,069−100.0% | Sold out |
| Altrinsic Global Advisors LLC | 0 | $0 | 0.00% | −70,000−100.0% | Sold out |
| Congress Asset Management Co | 0 | $0 | 0.00% | −66,678−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −57,783−100.0% | Sold out |
| Sector Gamma AS | 0 | $0 | 0.00% | −50,657−100.0% | Sold out |
| Rhenman & Partners Asset Management AB | 0 | $0 | 0.00% | −40,000−100.0% | Sold out |
| Braun Stacey Associates Inc | 0 | $0 | 0.00% | −38,262−100.0% | Sold out |
| Leuthold Group, LLC | 0 | $0 | 0.00% | −38,084−100.0% | Sold out |
| Moody National Bank Trust Division | 0 | $0 | 0.00% | −30,472−100.0% | Sold out |
| American National Insurance Co | 0 | $0 | 0.00% | −28,900−100.0% | Sold out |
| Arnhold LLC | 0 | $0 | 0.00% | −28,366−100.0% | Sold out |
| Soleus Capital Management, L.P. | 0 | $0 | 0.00% | −25,318−100.0% | Sold out |
| Jennison Associates LLC | 0 | $0 | 0.00% | −21,575−100.0% | Sold out |
| Atom Investors LP | 0 | $0 | 0.00% | −21,169−100.0% | Sold out |
| Caption Management, LLC | 0 | $0 | 0.00% | −18,200−100.0% | Sold out |
| Marshall Wace Asia Ltd | 0 | $0 | 0.00% | −14,255−100.0% | Sold out |
| Davide Leone & Partners Investment Co Ltd. | 0 | $0 | 0.00% | −14,236−100.0% | Sold out |
| Oak Associates, Ltd | 0 | $0 | 0.00% | −13,390−100.0% | Sold out |
| Laurion Capital Management LP | 0 | $0 | 0.00% | −11,200−100.0% | Sold out |
| Bluefin Capital Management, LLC | 0 | $0 | 0.00% | −8,837−100.0% | Sold out |
| Prosight Management, LP | 0 | $0 | 0.00% | −8,685−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −8,100−100.0% | Sold out |
| Pinnacle Associates Ltd | 0 | $0 | 0.00% | −7,429−100.0% | Sold out |
| Krensavage Asset Management, LLC | 0 | $0 | 0.00% | −6,912−100.0% | Sold out |
| Family Management Corp | 0 | $0 | 0.00% | −6,575−100.0% | Sold out |
| Donoghue Forlines LLC | 0 | $0 | 0.00% | −6,194−100.0% | Sold out |
| Navalign, LLC | 0 | $0 | 0.00% | −5,772−100.0% | Sold out |
| Cresset Asset Management, LLC | 0 | $0 | 0.00% | −5,633−100.0% | Sold out |
| Cornerstone National Bank & Trust Co | 0 | $0 | 0.00% | −5,434−100.0% | Sold out |
| Valeo Financial Advisors, LLC | 0 | $0 | 0.00% | −5,086−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −5,040−100.0% | Sold out |
| XR Securities LLC | 0 | $0 | 0.00% | −4,856−100.0% | Sold out |
| Burren Capital Advisors Ltd | 0 | $0 | 0.00% | −4,500−100.0% | Sold out |
| LS Investment Advisors, LLC | 0 | $0 | 0.00% | −4,275−100.0% | Sold out |
| NuWave Investment Management, LLC | 0 | $0 | 0.00% | −4,127−100.0% | Sold out |
| Lumina Fund Management LLC | 0 | $0 | 0.00% | −4,100−100.0% | Sold out |
| AGF Investments LLC | 0 | $0 | 0.00% | −4,081−100.0% | Sold out |
| Integrated Wealth Concepts LLC | 0 | $0 | 0.00% | −4,026−100.0% | Sold out |
| Bridgefront Capital, LLC | 0 | $0 | 0.00% | −3,929−100.0% | Sold out |
| Voya Financial Advisors, Inc. | 0 | $0 | 0.00% | −3,536−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −3,471−100.0% | Sold out |
| Nicolet Bankshares Inc | 0 | $0 | 0.00% | −3,104−100.0% | Sold out |
| Boltwood Capital Management | 0 | $0 | 0.00% | −2,975−100.0% | Sold out |
| Wolverine Trading, LLC | 0 | $0 | 0.00% | −2,917−100.0% | Sold out |
| American National Registered Investment Advisor, Inc. | 0 | $0 | 0.00% | −2,860−100.0% | Sold out |
| Los Angeles Capital Management LLC | 0 | $0 | 0.00% | −2,617−100.0% | Sold out |
| Fortem Financial Group, LLC | 0 | $0 | 0.00% | −2,530−100.0% | Sold out |
| Enlightenment Research, LLC | 0 | $0 | 0.00% | −2,500−100.0% | Sold out |
| Capital Advantage, Inc. | 0 | $0 | 0.00% | −2,362−100.0% | Sold out |
| Peddock Capital Advisors, LLC | 0 | $0 | 0.00% | −2,348−100.0% | Sold out |
| 180 Wealth Advisors, LLC | 0 | $0 | 0.00% | −1,940−100.0% | Sold out |
| Lombard Odier Asset Management (Europe) Ltd | 0 | $0 | 0.00% | −2,210−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −2,204−100.0% | Sold out |
| M Holdings Securities, Inc. | 0 | $0 | 0.00% | −2,161−100.0% | Sold out |
| Spire Wealth Management | 0 | $0 | 0.00% | −1,839−100.0% | Sold out |
| Wealthspire Advisors, LLC | 0 | $0 | 0.00% | −1,829−100.0% | Sold out |
| Evercore Wealth Management, LLC | 0 | $0 | 0.00% | −1,655−100.0% | Sold out |
| First Mercantile Trust Co | 0 | $0 | 0.00% | −1,445−100.0% | Sold out |
| Wealthcare Advisory Partners LLC | 0 | $0 | 0.00% | −1,438−100.0% | Sold out |
| WESPAC Advisors, LLC | 0 | $0 | 0.00% | −1,422−100.0% | Sold out |
| Sowell Financial Services LLC | 0 | $0 | 0.00% | −1,026−100.0% | Sold out |
| AlphaCentric Advisors LLC | 0 | $0 | 0.00% | −580−100.0% | Sold out |
| Credit Agricole S A | 0 | $0 | 0.00% | −448−100.0% | Sold out |
| Prime Capital Investment Advisors, LLC | 0 | $0 | 0.00% | −452−100.0% | Sold out |
| Geneos Wealth Management Inc. | 0 | $0 | 0.00% | −266−100.0% | Sold out |
| International Assets Investment Management, LLC | 0 | $0 | 0.00% | −269−100.0% | Sold out |
| Sun Life Financial INC | 0 | $0 | 0.00% | −131−100.0% | Sold out |
| Fieldpoint Private Securities, LLC | 0 | $0 | 0.00% | −105−100.0% | Sold out |
| Total Clarity Wealth Management, Inc. | 0 | $0 | 0.00% | −80−100.0% | Sold out |
| Meridian Wealth Partners, LLC | 0 | $0 | 0.00% | −67−100.0% | Sold out |
| Eudaimonia Partners, LLC | 0 | $0 | 0.00% | −63−100.0% | Sold out |
| Resolute Partners Group | 0 | $0 | 0.00% | −47−100.0% | Sold out |
| Sound Income Strategies, LLC | 0 | $0 | 0.00% | −40−100.0% | Sold out |