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Matt Doiron

Author Profile

Matt Doiron

Author

Matt Doiron is a University of Chicago graduate and has two years of buy side experience as an analyst. Matt covers hedge fund and insider transactions. His articles are published on Marketwatch, Seeking Alpha, The Street, and The Motley Fool.

Contributing since: 2012 Last contributed: September 16, 2013

Contact the editorial team Disclosure policy

Articles by Matt Doiron

Big Investors Are Buying Aeropostale Inc (ARO), News Corp (NWSA) & More

The most comprehensive look at the portfolios of hedge funds and other major investors comes in the form of quarterly 13Fs, which we use to help us develop investment strategies...

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September 16 - Hedge Funds

Insider Trading Alert: Michael Kors Holdings Ltd (KORS), Southwestern Energy Company (SWN) & More

There are a number of reasons why company insiders might choose to sell some of their stock.

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September 13 - Insider Trading

Adobe Systems Incorporated (ADBE), Gardner Denver, Inc. (GDI): Can Retail Investors Outperform The 13D Activist Fund On Their Own?

Earlier this month we reported on the 13D Activist Fund, a long-only fund which invests in stocks targeted by activist investors (as disclosed in 13D filings shortly after the...

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September 11 - Hedge Funds

Five Small Cap Stocks Insiders Are Crazy About, Including Howard Hughes Corp (HHC) & Halcon Resources Corp (HK)

Our research on insider trading patterns has concluded that stocks bought by insiders tend to outperform the market following these purchases, particularly if multiple insiders...

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September 10 - Insider Trading

Even After Dell Inc. (DELL) Stalemate, Icahn Is Still A Success

On September 9th, billionaire activist investor Carl Icahn, who manages Icahn Capital (find Icahn's favorite stocks), conceded his battle over Dell Inc.

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September 10 - Hedge Funds

Valeant Pharmaceuticals Intl Inc (VRX), Motorola Solutions Inc (MSI): Is An Activist-Mimicking Mutual Fund A Smart Investment?

At Insider Monkey, we use a number of techniques to track investment activity by hedge funds and other notable investors.

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September 10 - Hedge Funds

Most Popular ETFs Hedge Funds Are Crazy About

What are the most popular ETFs? Exchange-traded funds provide liquid ways for investors, including billionaire hedge fund managers, to take large positions in macro and other ...

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September 10 - ETF Trading, Gold, Hedge Funds

Apple Inc. (AAPL), China Mobile Ltd. (ADR) (CHL): Billionaire David Einhorn Had A Good August. How?

The S&P 500 index fell 3% during the month of August, but billionaire David Einhorn’s Greenlight Capital managed a 1% gain for the month according to results from the fund.

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September 9 - Hedge Funds

We Know David Einhorn & George Soros Love Apple Inc. (AAPL)’s Value. What Else?

In August, billionaire David Einhorn’s Greenlight Capital and billionaire George Soros’s Soros Fund Management filed their 13Fs for the second quarter of 2013 with the SEC...

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September 6 - Hedge Funds

Corporate Execs Are Bulking Up On Duke Energy Corp (DUK), Apache Corporation (APA) & More

It’s sometimes said that company insiders have many reasons to sell a stock, but only one reason to buy: they are confident enough in the business’s prospects to overcome ...

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September 6 - Insider Trading

Warren Buffett & His Billionaire Buddies Going Bonkers On General Motors Company (GM), Visa Inc (V)

Our research shows that the most popular small cap stocks among hedge funds (as determined by quarterly 13F filings) outperform the S&P 500 by 18 percentage points per year, proving...

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September 6 - Hedge Funds

How Much Can China Mobile Ltd. (ADR) (CHL) Help Apple Inc. (AAPL)?

China Mobile Ltd.

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September 5 - News, Stock Analysis

Renaissance Technologies Is Behind Apple Inc. (AAPL) All The Way. What About Microsoft Corporation (MSFT)?

We track quarterly 13F filings from hundreds of hedge funds and other notable investors, including Renaissance Technologies, the large and highly successful hedge fund which has...

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September 5 - Hedge Funds

Hedge Funds Are Buying J.C. Penney Company, Inc. (JCP) And More

There are a number of methods for tracking investment activity from hedge funds and other major investors.

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September 4 - Hedge Funds

Will A Post-Verizon Communications Inc. (VZ) Vodafone Group Plc (ADR) (VOD) Be A Buy?

Billionaire David Einhorn’s dream came true- partially.

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September 4 - Stock Analysis

Billionaire Ken Griffin Thinks Apple Inc. (AAPL) Is Cheap. What About His Other Picks?

Many investors and market watchers claim that quarterly 13Fs from hedge funds are of limited use to mom-and-pop traders.

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September 4 - Hedge Funds

Insider Buying Alert: Valeant Pharmaceuticals Intl Inc (VRX), Green Mountain Coffee Roasters Inc. (GMCR), TASER International, Inc. (TASR)

Our research on insider trading activity has highlighted the fact that studies generally show a small outperformance effect for stocks bought by insiders (read our analysis of...

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September 4 - Insider Trading

Kinder Morgan Inc (KMI), BP plc (ADR) (BP): Hedge Funds’ Favorite Dividend Energy Stock Picks

At Insider Monkey, we track quarterly 13F filings from hundreds of hedge funds and other notable investors for a variety of purposes.

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August 29 - Commodities, Hedge Funds

General Motors Company (GM), Apple Inc. (AAPL), Delphi Automotive PLC (DLPH): 3 Stocks Billionaires David Einhorn and David Tepper Love

Billionaire David Tepper’s Appaloosa Management has been one of the top performers out of large hedge funds in 2013, helping the billionaire swell his net worth further on performance...

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August 29 - Hedge Funds

Pfizer Inc. (PFE) & Johnson & Johnson (JNJ) In Billionaire David Shaw’s Top Dividend Picks

Many market watchers believe that quarterly 13F filings from hedge funds are of no use to most investors, but we have shown that this is false in at least one way: it is possible...

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August 29 - Dividend Stocks, Hedge Funds

Philip Morris International Inc. (PM), Lorillard Inc. (LO): Five Consumer Dividend Stocks With Sustainable Payouts

Some common concerns for income investors include building a portfolio which is diversified in a number of ways- including investments in dividend stocks in several different ...

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August 29 - Dividend Stocks, News

Wal-Mart Stores, Inc. (WMT), Johnson & Johnson (JNJ): Buffett & Soros Are Bullish Here

Billionaire George Soros is best known for his success as a global macro investor, particularly in currency instruments, but his hedge fund Soros Fund Management is also heavily...

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August 29 - Hedge Funds

Citigroup Inc. (C), The Goodyear Tire & Rubber Company (GT) Among Billionaire David Tepper’s Long Term Stock Picks

Quarterly 13F filings from hedge funds and other major investors disclose many of these investment managers’ long equity positions as of the end of the previous quarter.

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August 29 - Hedge Funds

Equinix Inc (EQIX), J.C. Penney Company, Inc. (JCP)–Hedge Fund Battleground Stocks: What Should You Do?

A popular misconception among investors is that the rounds of 13F filings released by hedge funds and other notable investors several weeks after the end of each quarter are not...

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August 28 - Hedge Funds

Newmont Mining Corp (NEM), Iron Mountain Incorporated (IRM), American Eagle Outfitters (AEO): Hedge Funds Love These Dividend Stocks–And They’re On Sale Now

You might know it, but you have hundreds of unpaid interns pitching you investment ideas.

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August 28 - Dividend Stocks, Hedge Funds

Wal-Mart Stores, Inc. (WMT), Lowe’s Companies, Inc. (LOW) & More: The Smart Money’s Top 10 Retail Plays

In August, hundreds of hedge funds and other major investors filed their 13Fs for the second quarter of 2013 (disclosing many of their long equity positions as of the end of June...

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August 27 - Hedge Funds

Pfizer Inc. (PFE), Gilead Sciences, Inc. (GILD), Merck & Co., Inc. (MRK) Among Hedge Funds’ Favorite Pharma Stocks

We maintain a database of quarterly 13F filings from hundreds of hedge funds and other notable investors.

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August 27 - Hedge Funds

PetroLogistics LP (PDH), Spectra Energy Corp. (SE): Billionaire Dinan’s Income Picks Include Some Risky Dividend Monsters

Several weeks after the end of each quarter, hedge funds such as billionaire James Dinan’s York Capital Management file 13Fs with the SEC.

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August 26 - Hedge Funds

American International Group Inc (AIG), Citigroup Inc. (C) & JPMorgan Chase & Co. (JPM) Lead The Most Popular Financial Stocks In The Hedge Fund Industry

There are a number of things we look for when hedge funds and other major investors release their quarterly 13F filings.

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August 26 - Hedge Funds

Exxon Mobil Corporation (XOM), Anadarko Petroleum Corporation (APC) Among The 10 Most Popular Energy Stocks Among Hedge Funds

Several weeks after the end of each quarter, hedge funds and other major investors file 13Fs with the SEC to disclose many of their long equity positions as of the end of the ...

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August 26 - Hedge Funds

Apple Inc. (AAPL), Whole Foods Market, Inc. (WFM): Meet The Stocks Hedge Funds Are Dumping Like Crazy

We maintain a database of quarterly 13F filings from hundreds of hedge funds and other notable investors. There are a variety of uses for this information.

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August 23 - Hedge Funds

Warren Buffett and Insiders are Betting On General Motors Company (GM) & More

Quarterly filings from Warren Buffett’s Berkshire Hathaway are highly anticipated in the financial community- many investors and market watchers are at least somewhat curious...

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August 23 - Hedge Funds

Cognizant Technology Solutions Corp (CTSH), Mead Johnson Nutrition CO (MJN): Billionaire Stephen Mandel Likes These Bulls

Earlier in August, billionaire and Tiger Cub Stephen Mandel’s Lone Pine Capital filed its 13F for the second quarter of 2013 with the SEC, disclosing many of its long equity...

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August 23 - Hedge Funds

Questcor Pharmaceuticals Inc (QCOR), J.C. Penney Company, Inc. (JCP): Hedge Funds, Not So Good At Shorting, Great At Picking Small Caps

So far this year, the 30 most widely shorted stocks from the beginning of 2013- as measured by the number of shares short as a percentage of the float- have returned 34%, outperforming...

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August 23 - Hedge Funds

American International Group Inc (AIG), Tiffany & Co. (TIF): Insiders Have Been Buying These Dan Loeb Picks

Insider Monkey tracks quarterly 13F filings from hundreds of hedge funds, including billionaire Dan Loeb’s Third Point.

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August 23 - Hedge Funds

Herbalife Ltd. (HLF), J.C. Penney Company, Inc. (JCP): Ackman Is Just One Of Many Short Sellers Having a Tough 2013

Recently, Herbalife Ltd. (NYSE:HLF) climbed above $60, meaning that billionaire Bill Ackman’s Pershing Square is finally underwater from its short of the stock last year.

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August 22 - Hedge Funds

United Rentals, Inc. (URI), Visteon Corp (VC), Tripadvisor Inc (TRIP): Actually, Hedge Funds’ Small Cap Picks Are Crushing the Market This Year

Related tickers: United Rentals, Inc. (NYSE:URI), Visteon Corp (NYSE:VC), Tripadvisor Inc (NASDAQ:TRIP), W.R. Grace & Co. (NYSE:GRA), Marvell Technology Group Ltd.

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August 21 - Hedge Funds

Ken Heebner’s Top Stock Picks: Citigroup Inc. (C), Morgan Stanley (MS), and More

We track quarterly 13F filings from hundreds of hedge funds and other notable investors, including Ken Heebner’s Capital Growth Management.

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August 20 - Hedge Funds

Billionaire Dan Loeb’s Latest Picks Include CF Industries Holdings, Inc. (CF), Sony Corporation (ADR) (SNE)

We track quarterly 13F filings from hundreds of hedge funds and other notable investors, including billionaire Dan Loeb’s Third Point.

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August 19 - Hedge Funds

JPMorgan Chase & Co. (JPM), Citigroup Inc. (C) Among Billionaire Louis Bacon’s Favorite Buys

Many market watchers claim that hedge funds’ quarterly 13F filings are a waste of time, but we disagree; in fact, we think that there are a number of ways for investors to use...

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August 19 - Hedge Funds

Comcast Corporation (CMCSA), Time Warner Inc (TWX), Intuitive Surgical, Inc. (ISRG) Are On Billionaire Andreas Halvorsen’s ‘Top Pick’ List

In August, billionaire Andreas Halvorsen’s Viking Global filed its 13F for the second quarter of 2013 with the SEC, disclosing many of its long equity positions as of the end...

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August 19 - Hedge Funds

Elan Corporation, plc (ADR) (ELN), Actavis Inc (ACT): Billionaire James Dinan Liked Pharmaceuticals Last Quarter

Several weeks after the end of each quarter, hedge funds and other major investors are required to file 13Fs with the SEC to disclose many of their long equity positions as of...

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August 19 - Hedge Funds

Sprint Corporation (S), QUALCOMM, Inc. (QCOM): Billionaire Leon Cooperman Bought More Communications Tech Last Quarter

Our research shows that the most popular small cap stocks among hedge funds earn an average excess return of 18 percentage points per year (learn more about our small cap strategy...

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August 19 - Hedge Funds

Carl Icahn Has Been Buying Up Dell Inc. (DELL) and Nuance Communications Inc. (NUAN)

In August, billionaire activist investor Carl Icahn’s Icahn Capital filed its 13F for the second quarter of 2013 with the SEC.

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August 16 - Hedge Funds

George Soros’s Hedge Fund Bullish On J.C. Penney Company, Inc. (JCP) & Herbalife Ltd. (HLF), Selling Airlines

Billionaire George Soros is best known for its profitable macro investments, particularly in currency instruments, but his hedge fund Soros Fund Management engages in equity investments...

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August 16 - Hedge Funds

Billionaire Bill Ackman Was Loving Air Products & Chemicals, Inc. (APD) In Q2

Pershing Square, managed by billionaire Bill Ackman, has been mocked quite a bit this year for its short position in Herbalife Ltd.

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August 16 - Hedge Funds

Billionaire John Paulson Traded Gold For Family Dollar Stores, Inc. (FDO) Last Quarter

During the second quarter of 2013, billionaire John Paulson’s Paulson & Co.

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August 16 - Hedge Funds

Billionaire Nelson Peltz Was Bidding For E I Du Pont De Nemours And Co (DD), Sothebys (BID) In Q2

Several weeks after the end of each quarter, hedge funds and other notable investors file 13Fs with the SEC to disclose many of their long equity positions.

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August 16 - Hedge Funds

T. Boone Pickens Buys More Suncor Energy Inc. (USA) (SU), Cuts Marathon Petroleum Corp (MPC) & Phillips 66 (PSX)

After making billions in the oilfield, T.

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August 16 - Hedge Funds

Billionaire Paul Singer’s Elliott Management Likes NetApp Inc. (NTAP) & Dell Inc. (DELL)

Insider Monkey tracks quarterly 13F filings from hundreds of hedge funds, including billionaire Paul Singer’s Elliott Management.

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August 15 - Hedge Funds

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