Dear Valued Visitor,

We have noticed that you are using an ad blocker software.

Although advertisements on the web pages may degrade your experience, our business certainly depends on them and we can only keep providing you high-quality research based articles as long as we can display ads on our pages.

To view this article, you can disable your ad blocker and refresh this page or simply login.

We only allow registered users to use ad blockers. You can sign up for free by clicking here or you can login if you are already a member.

Tesaro Inc. (TSRO)

Hedge Fund Holdings
Filing Period:
Last update:
No. Hedge Fund Shares Value (x$1000) Activity % Port
1.
Angelo Gordon & CoBOND

John M. Angelo And Michael L. Gordon

24,000,000 $89,760 4.17%
2. 400,000 $51,640 3.27%
3.
Rock Springs Capital Management

Kris Jenner, Gordon Bussard, Graham Mcphail

495,250 $63,937 +1% 2.94%
4.
Sectoral Asset Management

Jerome Pfund And Michael Sjostrom

149,799 $19,339 2.49%
5. 11,519 $1,487 +37% 2.03%
Insider Trading: Purchases See All
Insider Price Amount Relationship Remaning Holdings Date Form 4
$35.19 710,429 Large Shareholder 710,429 2016-03-18 Filing
$35.19 710,429 Large Shareholder 9,564,684 2016-03-18 Filing
$35.19 710,429 Large Shareholder 710,429 2016-03-18 Filing
$35.19 710,429 Large Shareholder 9,564,684 2016-03-18 Filing
$35.19 710,429 Large Shareholder 710,429 2016-03-18 Filing
Insider Trading: Sales See All
Insider Price Amount Relationship Remaining Holdings Date Form 4
$85.24 829 Officer 7,272 2017-12-04 Filing
$118.60 592 Officer 6,351 2017-09-22 Filing
$117.58 5,743 Director 0 2017-09-18 Filing
$116.52 4,257 Director 5,743 2017-09-18 Filing
$132.66 71 Officer 6,555 2017-09-05 Filing
Institutional Investors' Holdings
Filing Period:
No. Name Shares Value (x$1000) % Port
1. 2,021,738 $261,007 67.96%
2. 10,275,113 $1,326,517 46.46%
3. 1,030,825 $133,080 21.82%
4. 23,204,000 $86,899 8.89%
5. 2,494,000 $9,356 8.11%
News See All