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Alexion Pharmaceuticals, Inc. (ALXN)

NasdaqGS - NasdaqGS Real-time price. Currency in USD
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155.01+0.54 (+0.35%)
At close: 4:00PM EDT

Major holders

Currency in USD
Breakdown
0.46%% of shares held by all insiders
91.30%% of shares held by institutions
91.72%% of float held by institutions
1,183Number of institutions holding shares

Top institutional holders

HolderSharesDate reported% outValue
Vanguard Group, Inc. (The)19,406,76830 Dec 20208.83%3,032,113,432
Blackrock Inc.18,168,27630 Dec 20208.26%2,838,611,442
State Street Corporation10,628,83430 Dec 20204.83%1,660,649,024
Baker Brothers Advisors, LLC8,760,79430 Dec 20203.98%1,368,786,454
FMR, LLC6,284,52530 Dec 20202.86%981,894,186
ClearBridge Investments, LLC5,866,15430 Dec 20202.67%916,527,900
JP Morgan Chase & Company4,311,41030 Dec 20201.96%673,614,698
Renaissance Technologies, LLC4,113,70430 Dec 20201.87%642,725,112
Geode Capital Management, LLC3,843,98930 Dec 20201.75%600,584,841
Lsv Asset Management3,360,08630 Dec 20201.53%524,979,836

Top mutual fund holders

HolderSharesDate reported% outValue
Vanguard Total Stock Market Index Fund5,870,07030 Dec 20202.67%917,139,736
Vanguard 500 Index Fund4,385,18730 Dec 20201.99%685,141,616
Invesco ETF Tr-Invesco QQQ Tr, Series 1 ETF2,736,50827 Feb 20211.24%418,001,597
Vanguard Mid-Cap Index Fund2,349,29030 Dec 20201.07%367,053,069
SPDR S&P 500 ETF Trust2,232,26627 Feb 20211.02%340,978,631
Legg Mason Clearbridge Large Cap Growth Fd1,987,79630 Dec 20200.90%310,573,247
Fidelity 500 Index Fund1,981,82327 Feb 20210.90%302,723,463
iShares NASDAQ Biotechnology ETF1,923,20227 Feb 20210.87%293,769,105
Vanguard Institutional Index Fund-Institutional Index Fund1,798,95430 Dec 20200.82%281,068,572
iShares Core S&P 500 ETF1,691,60927 Feb 20210.77%258,393,274