SHAPIRO ROBERT N - THORATEC CORP ownership

THORATEC CORP's ticker is THOR and the CUSIP is 885175307. A total of 204 filers reported holding THORATEC CORP in Q3 2013. The put-call ratio across all filers is 0.55 and the average weighting 0.2%.

Quarter-by-quarter ownership
SHAPIRO ROBERT N ownership history of THORATEC CORP
ValueSharesWeighting
Q2 2014$49,000
-2.0%
1,4000.0%0.01%0.0%
Q1 2014$50,000
-3.8%
1,4000.0%0.01%0.0%
Q4 2013$52,0000.0%1,4000.0%0.01%0.0%
Q3 2013$52,000
+18.2%
1,4000.0%0.01%0.0%
Q2 2013$44,0001,4000.01%
Other shareholders
THORATEC CORP shareholders Q3 2013
NameSharesValueWeighting ↓
ORACLE INVESTMENT MANAGEMENT INC 1,232,600$40,010,0005.25%
SECTOR GAMMA AS 392,500$12,741,0002.83%
IAT REINSURANCE CO LTD. 605,318$19,649,0002.73%
DECADE CAPITAL MANAGEMENT LLC 455,900$14,799,0002.54%
Park West Asset Management LLC 399,472$12,967,0002.06%
Rock Springs Capital Management LP 533,500$17,317,0002.03%
Antipodean Advisors LLC 658,000$21,359,0001.91%
CATAPULT CAPITAL MANAGEMENT LLC 200,000$6,492,0001.65%
Broadfin Capital, LLC 1,000,000$32,460,0001.41%
Cohen Capital Management, Inc. 149,865$4,865,0001.26%
View complete list of THORATEC CORP shareholders