Abiomed Inc: Ownership
| Ownership Information |
| Shares Outstanding |
37.00 Mil | | Institutional Ownership (%) | 50.73 | | Top 10 Institutions (%) | 32.80 | | Mutual Fund Ownership (%) | 2.61 | | 5%/Insider Ownership (%) | 19.01 | | Float (%) | 80.99 |
| Ownership Activity |
| Description | # of Holders | Shares |
| Total Positions |
99 | 18,769,096 | | New Positions | 18 | 0 | | Soldout Positions | 54 | 0 | | Net Position Change | -37 | -5,634,796 | | Buyers | 50 | 1,831,709 | | Sellers | 87 | -7,466,505 |
| advertisement |
|
|
|---|
| Institution Name |
Shs Held |
Shs Chg |
%Chg |
$Chg* |
%Out |
%Port |
Rpt Date |
| Waddell & Reed Investment Management Company |
2,157,321 |
-100,500 |
-4.5 |
1,033,606 |
5.8 |
0.1 |
09-30-09 |
| PRIMECAP Management Company |
1,542,273 |
270,500 |
21.3 |
3,758,433 |
4.1 |
0.0 |
09-30-09 |
| Vanguard Group, Inc. |
1,193,228 |
40,516 |
3.5 |
1,419,324 |
3.2 |
0.0 |
09-30-09 |
| Capital Research Global Investors |
1,160,680 |
-299,500 |
-20.5 |
-1,608,585 |
3.1 |
0.0 |
09-30-09 |
| Portolan Capital Management, L.L.C. |
1,148,873 |
-605,787 |
-34.5 |
-4,320,544 |
3.1 |
2.4 |
09-30-09 |
| Great Point Partners, LLC |
967,800 |
-630,000 |
-39.4 |
-4,695,258 |
2.6 |
7.3 |
09-30-09 |
| Pioneer Investment Management, Inc. |
742,900 |
121,800 |
19.6 |
1,735,457 |
2.0 |
0.0 |
09-30-09 |
| Dimensional Fund Advisors, LP |
671,557 |
-2,900 |
-0.4 |
572,107 |
1.8 |
0.0 |
09-30-09 |
| State Street Global Advisors (US) |
623,469 |
166,477 |
36.4 |
2,023,215 |
1.7 |
0.0 |
09-30-09 |
| IronBridge Capital Management, L.P. |
507,126 |
-14,409 |
-2.8 |
324,254 |
1.4 |
0.1 |
09-30-09 |
| Rockefeller & Co., Inc. |
489,580 |
0 |
0.0 |
435,726 |
1.3 |
0.2 |
09-30-09 |
| Wall Street Associates, LLC |
388,400 |
16,600 |
4.5 |
492,088 |
1.0 |
0.3 |
09-30-09 |
| Delaware Investments |
359,000 |
65,200 |
22.2 |
894,574 |
1.0 |
0.0 |
09-30-09 |
| Wellington Management Company, LLP |
300,000 |
260,000 |
650.0 |
2,560,200 |
0.8 |
0.0 |
09-30-09 |
| Mutual of America Capital Management Corp. |
292,262 |
-9,866 |
-3.3 |
-382,216 |
0.8 |
0.1 |
12-31-09 |
- *Category Headings:
- Shs Held - shares held at report date
- Shs Chg - position change within reporting period
- %Chg - % change
- $Chg - market value of the position change
- %Out - % of shares outstanding
- %Port - % Portfolio
- Rpt Date - report date
Page generated 2/10/2010 8:16 AM Eastern Time