Are Big Sina Shareholders Buying After Recent Earnings?

Shares of Sina (NASDAQ:SINA) are trading slightly lower .62% in 2012. For the first quarter of 2012, Sina (NASDAQ:SINA) reported net revenues of $106.2 million, compared to $100.2 million for the same period last year.  Brand advertising revenues were $78.5 million, compared to $72.3 million for the same period last year. On the flip side, gross margin for the first quarter of 2012 was 46%, down from 53% for the same period last year. Advertising gross margin for the first quarter of 2012 was 44%, compared to 54% for the same period last year. Sina Corp. increased spending on infrastructure, content and personnel-related costs.

A Closer Look: Sina Earnings Cheat Sheet>>

With a further investment in growing the company, are Sina’s (NASDAQ:SINA) largest shareholders adding to their positions after the latest earnings report? 155 institutional firms indicated owning shares of Sina Corp. (NASDAQ:SINA) in Q1 2012. These firms reported owning a total of 33.297 million shares on 03/31/2012 . The shares closed at $65.00 on 03/31/2012, for an aggregate market value of $2.164 billion.

Here are the ten largest positions in Sina Corp. at the end of March 31st, 2012.

Price T Rowe Associates Inc /MD/ held 5,759,171 shares on 03/31/2012 worth $374,346,115. This represented an increase of 0%, bringing the portfolio total to 0.11%.

Fil Ltd held 4,137,463 shares on 03/31/2012 worth $268,935,095. This represented an increase of 0%, bringing the portfolio total to 1.66%.

Susquehanna International Group LLP held 2,306,300 shares on 03/31/2012 worth $149,910,000. This represented an increase of 0.12%, bringing the portfolio total to 0.05%.

Susquehanna International Group LLP held 2,142,900 shares on 03/31/2012 worth $139,289,000. This represented an increase of 0.13%, bringing the portfolio total to 0.04%.

Ubs Global Asset Management Americas Inc held 2,012,394 shares on 03/31/2012 worth $130,805,610. This represented an increase of 0.01%, bringing the portfolio total to 0.19%.

Artisan Partners Limited Partnership held 1,193,700 shares on 03/31/2012 worth $77,590,500. This represented an increase of 0.01%, bringing the portfolio total to 0.21%.

FMR LLC held 1,105,200 shares on 03/31/2012 worth $71,838,000. This represented an increase of 0.09%, bringing the portfolio total to 0.01%.

Scoggin LLC held 1,000,000 shares on 03/31/2012 worth $2,523,000. This represented an increase of 0.01%, bringing the portfolio total to 0.16%.

Schroder Investment Management Group held 930,963 shares on 03/31/2012 worth $60,512,595. This represented an increase of 0.01%, bringing the portfolio total to 0.2%.

Morgan Stanley held 743,181 shares on 03/31/2012 worth $48,306,765. This represented an increase of 0.09%, bringing the portfolio total to 0.03%.

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