MARSHALL WACE NORTH AMERICA, L.P.
C/O MARSHALL WACE NORTH AMERICA, L.P., COS COB, Connecticut, 06807, (203) 625-3200
Report Date: 03/31/2013
Position Statistics:
| Total Positions | 804 |
| New Positions | 262 |
| Increased Positions | 389 |
| Decreased Positions | 415 |
| Positions with Activity | 804 |
| Sold Out Positions | 358 |
| Total Mkt Value (in $ millions) |
1,606 |
Sector Weighting
| Basic Materials | 5.39% |
| Capital Goods | 4.26% |
| Conglomerates | 0.33% |
| Consumer Cyclical | 4.17% |
| Consumer/Non-Cyclical | 2.25% |
| Energy | 10.2% |
| Financial | 11.5% |
| Healthcare | 12.61% |
| Services | 19.83% |
| Technology | 24.75% |
| Transportation | 2.03% |
| Utilities | 2.43% |
Institutional Holdings information is filed by major institutions on form 13-F with the Securities and Exchange Commission.
804 Positions as of 03/31/2013
| Company | Class | Value of Shares ($1,000s) |
Change in Value ($1,000s) | Change (%) | Shares Held |
|---|---|---|---|---|---|
| MYLAN INC | COM | 275 | 201 | 274.47 | 8,800 |
| COBALT INTL ENERGY INC | COM | 274 | -1,104 | (80.12) | 9,927 |
| UMB FINL CORP | COM | 274 | 55 | 25.15 | 5,145 |
| COMPANIA DE MINAS BUENAVENTURA | SPONSORED ADR | 273 | 273 | New | 15,069 |
| CF INDS HLDGS INC | COM | 271 | -4,581 | (94.41) | 1,438 |
| CALLAWAY GOLF CO | COM | 270 | 270 | New | 40,876 |
| SEMPRA ENERGY | COM | 269 | 268 | 160,100 | 3,204 |
| REALD INC | COM | 268 | 181 | 208.42 | 17,333 |
| GERDAU S A | SPON ADR REP PFD | 268 | 268 | New | 38,827 |
| AES CORP | COM | 265 | 265 | New | 20,378 |
| HUDSON PAC PPTYS INC | COM | 264 | 264 | New | 10,986 |
| MEDIFAST INC | COM | 255 | 255 | New | 8,958 |
| CENTERPOINT ENERGY INC | COM | 255 | -1,768 | (87.42) | 10,446 |
| SCIQUEST INC NEW | COM | 251 | 96 | 61.61 | 10,931 |
| FISERV INC | COM | 249 | 249 | New | 2,767 |
| CATHAY GENERAL BANCORP | COM | 245 | 26 | 11.97 | 11,701 |
| OWENS ILL INC | COM NEW | 244 | 244 | New | 8,444 |
| EDISON INTL | COM | 244 | 239 | 4,956.57 | 5,006 |
| YAHOO INC | COM | 243 | 243 | New | 9,000 |
| TEMPUR PEDIC INTL INC | COM | 241 | 241 | New | 5,074 |
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