Here's What Some Big-Time Quants Are Buying

Every quarter, many money managers have to disclose what they've bought and sold, via "13F" filings. Their latest moves can shine a bright light on smart stock picks.

Today, let's look at the Renaissance Technologies hedge fund company founded by James Simons and known for its quantitative approach to investing. Indeed, Simons explained in 2007 that, "We hire physicists, mathematicians, astronomers and computer scientists and they typically know nothing about finance... We haven't hired out of Wall Street at all." The company's most well-known fund is the Medallion Fund. Interestingly, most of its assets belong to employees of the firm, and outside investors are generally turned away.

Why should you look at Renaissance Technologies' moves? Well, it's hard to find performance data for it, but in his 2009 book Blunder: Why Smart People Make Bad Decisions, Zachary Shore noted that Renaissance's flagship Medallion fund "has yielded an average 38% annual return since its inception in 1988. The fund has lost money only in a single year, 1989, when it dropped 4.1%." That's so remarkable that some have mused that it's either a Madoff-like Ponzi scheme or a simply amazing hedge fund.

The company's reportable stock portfolio totaled $41.2 billion  in value as of March 31, 2013, with several thousand holdings. (Concentration, thy name is not Renaissance Technologies!)

Interesting developments
So what does Renaissance's latest quarterly 13F filing tell us? Here are a few interesting details:

The biggest new holdings are EMC and Virgin Media. Other new holdings of interest include Nokia and Corning . Nokia has struggled in recent years, but has been regaining its footing, providing less developed economies with less expensive mobile phones and also partnering on Windows phones. It's coming out with new offerings, too. Sales in China have been shrinking recently, though, and some worry about developing nations embracing more pricey smartphones.

Corning has suffered lately due to low prices and demand for LCD substrates, but it's enjoying solid demand for its Gorilla Glass, which generated more than $1 billion in 2012 revenue. The company's flexible new Willow Glass is also promising. Despite some issues such as falling profit margins, there's a solid case to be made that the stock is attractively priced at recent levels and a good long-term investment. It has upped its dividend as well.

Among holdings in which Renaissance Technologies increased its stake was New YorkCommunity Bancorp , which is offering a hefty 7.3% dividend yield. The company has recently been growing via acquisitions and its management is known for prudent management of credit risk. Bulls like that its CEO has been with the company for decades and is heavily invested in it, and a recent decline in its non-performing assets is a plus, too.

Renaissance Technologies reduced its stake in lots of companies, including Houston-based oil and natural gas companyLinn Energy . Linnoffers a whopping 8.8% dividend yield, and has been making some income-generating acquisitions. The company specializes in buying mature, productive energy assets -- and is poised to eventually profit from the rich Bakken fields. It's also admired for its successful long-term hedging and organic growth, and is seen by some as a solid investment.

Finally, Renaissance's biggest closed positions included Apple and CiscoSystems. Other closed positions of interest include Micron Technology , which is trading near its 52-week high and has a forward P/E ratio near 20. The struggling PC market has hurt the company, but bulls are hopeful about growth in tablets and smartphones driving demand for memory chips. Its second-quarter earnings report featured lower costs and rising margins that hinted at a return to profitability soon. Micron's purchase of Japanese manufacturer Elpida also seems promising, boosting its capacity and its relationship with Apple. Micron has been losing market share, though, and some worry about the commoditization of memory, recent net losses, and Micron's debt levels.

We should never blindly copy any investor's moves, no matter how talented the investor. But it can be useful to keep an eye on what smart folks are doing. 13-F forms can be great places to find intriguing candidates for our portfolios.

A conservative portfolio, quality long-term management, and a huge dividend -- it would seem that there's a lot to like about New York Community Bancorp. But is it really that simple? To help you figure out whether New York Community Bancorp is a buy today, check out The Motley Fool's premium research report on the bank. Click here now for instant access!

The article Here's What Some Big-Time Quants Are Buying originally appeared on

Longtime Fool contributor Selena Maranjian, whom you can follow on Twitterowns shares of Apple and Corning. The Motley Fool recommends Apple, Cisco Systems, and Corning. It owns shares of Apple, Corning, and EMC. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.

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