Are Adobe’s Major Institutional Investors Securely Adding to Their Holdings?

So far in 2012, Adobe System’s (NASDAQ:ADBE) shares are up 11.53 percent. On Friday, the company patched seven vital vulnerabilities in Flash Player and released a “sandboxed” plug-in for Mozilla’s Firefox; this was Adobe’s fifth security update in 2012.

In addition, the company released the “silent update” tool for OS X, and said it got Flash ready for the impending OS X 10.8 (Mountain Lion) after signing its code; this is required to install software downloaded from sources in addition to Apple’s (NASDAQ:AAPL) Mac App Store, according to Computerworld.

With the company’s security updates, will Adobe’s largest shareholders increase their holdings? 418 institutional firms indicated owning shares of Adobe Systems Inc. (NASDAQ:ADBE) in Q1 2012. These firms reported owning a total of 213.661 million shares on 03/31/2012 . The shares closed at $34.31 on 03/31/2012.

Here are the ten largest positions in Adobe Systems Inc. at the end of March 31st, 2012.

Bank of New York Mellon Corp held 27,841,123 shares on 03/31/2012 worth $955,228,968.

Valueact Holdings L.P. held 27,353,362 shares on 03/31/2012 worth $938,493,888.

State Street Corp held 18,114,999 shares on 03/31/2012 worth $621,525,641.

Dodge & Cox held 14,245,350 shares on 03/31/2012 worth $488,757,978.

Blackrock Institutional Trust Company N.A. held 13,114,186 shares on 03/31/2012 worth $449,947,740.

Ubs global Asset Management Americas Inc held 8,618,311 shares on 03/31/2012 worth $295,694,262.

Jensen Investment Management Inc held 6,291,267 shares on 03/31/2012 worth $215,853,379.

Oppenheimer Funds Inc held 6,191,520 shares on 03/31/2012 worth $212,431,060.

Ing Investment Management Co held 5,022,868 shares on 03/31/2012 worth $172,334,608.

Blackrock Fund Advisors held 5,022,730 shares on 03/31/2012 worth $172,329,873.

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