This company has been acquired

The company may no longer be operating, as it has been acquired. Find out why through their latest events.

Abiomed Ownership

Who are the major shareholders and have insiders been buying or selling?


Recent Insider Transactions

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.


Ownership Breakdown

What is the ownership structure of ABMD?
Owner TypeNumber of SharesOwnership Percentage
Private Companies660.000146%
State or Government19,7590.0438%
General Public489,6351.09%
Individual Insiders704,7481.56%
Institutions43,896,01797.3%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.


Top Shareholders

Top 25 shareholders own 71.95% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
11.7%
The Vanguard Group, Inc.
5,269,340US$2.0b5.78%0.04%
10.1%
BlackRock, Inc.
4,560,483US$1.7b0.68%0.04%
8.04%
Baillie Gifford & Co.
3,624,937US$1.4b-2.29%0.67%
4.59%
State Street Global Advisors, Inc.
2,071,180US$789.2m-0.75%0.04%
3.34%
PRIMECAP Management Company
1,506,272US$573.9m-2.14%0.49%
3.22%
Wellington Management Group LLP
1,453,669US$553.9m22.1%0.09%
3.11%
William Blair Investment Management, LLC
1,401,244US$533.9m0.45%0.94%
2.96%
Generation Investment Management LLP
1,336,755US$509.3m-0.48%2.52%
2.81%
Renaissance Technologies LLC
1,265,800US$482.3m-12.5%0.63%
2.79%
Brown Capital Management, LLC
1,260,466US$480.3m-0.16%5.35%
2.67%
AllianceBernstein L.P.
1,202,638US$458.2m1.93%0.18%
2.32%
Winslow Capital Management, LLC
1,047,255US$399.0m-3.14%2.54%
2.27%
Geode Capital Management, LLC
1,025,568US$390.8m2.34%0.05%
1.62%
Ownership Capital B.V.
731,590US$278.7m-6.89%5.0%
1.37%
BNY Mellon Asset Management
618,893US$235.8m-2.66%0.05%
1.12%
Macquarie Investment Management Business Trust
503,272US$191.8m3.46%0.21%
1.09%
Palo Alto Investors LP
490,754US$187.0m-0.74%14.16%
1.07%
Northern Trust Global Investments
482,756US$183.9m-1.96%0.04%
0.95%
Jackson Square Partners, LLC
428,103US$163.1m-7.04%3.82%
0.87%
American Century Investment Management Inc
394,233US$150.2m4.18%0.11%
0.83%
Charles Schwab Investment Management, Inc.
372,287US$141.8m1.8%0.03%
0.82%
Norges Bank Investment Management
370,488US$141.2m0%0.02%
0.8%
Legal & General Investment Management Limited
360,162US$137.2m-4.24%0.04%
0.77%
Michael Minogue
349,464US$133.2m-28%no data
0.73%
Credit Suisse Asset Management (Switzerland)
327,730US$124.9m-6.19%0.11%
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