WELLINGTON MANAGEMENT GROUP LLP - ON SEMICONDUCTOR CORP ownership

ON SEMICONDUCTOR CORP's ticker is and the CUSIP is 682189AH8. A total of 41 filers reported holding ON SEMICONDUCTOR CORP in Q2 2013. The put-call ratio across all filers is - and the average weighting 0.3%.

Quarter-by-quarter ownership
WELLINGTON MANAGEMENT GROUP LLP ownership history of ON SEMICONDUCTOR CORP
ValueSharesWeighting
Q4 2013$12,007,000
-4.0%
10,922,000
-5.6%
0.00%
-25.0%
Q3 2013$12,501,000
-9.5%
11,568,000
-3.7%
0.00%
-20.0%
Q2 2013$13,807,00012,013,0000.01%
Other shareholders
ON SEMICONDUCTOR CORP shareholders Q2 2013
NameSharesValueWeighting ↓
Opera Trading Capital 10,863,000$11,788,0003.09%
ANGELO GORDON & CO., L.P. 20,238,000$21,882,0001.57%
MACKAY SHIELDS LLC 22,165,000$24,031,0001.31%
RWC Asset Management LLP 16,000,000$17,273,0001.25%
Ferox Capital Management LP 3,500,000$3,800,0000.94%
Verition Fund Management LLC 3,500,000$3,798,0000.61%
SSI INVESTMENT MANAGEMENT LLC 4,357,000$4,712,0000.48%
LA FINANCIERE DE L'ECHIQUIER 500,000$543,0000.39%
Calamos Advisors LLC 54,820,000$59,181,0000.39%
AQR Arbitrage LLC 26,714,000$28,985,0000.34%
View complete list of ON SEMICONDUCTOR CORP shareholders