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A few weeks ago we blogged about the predictive potential of mining SeekingAlpha subscriber stats. Since then, we've continued to track the data set, and refined our machine learning algorithms.

As we pointed out, SeekingAlpha is a proverbial gold mine for data miners. Surveys show that they attract the highest percentage of financial professionals (13.9%) of any major finance website.

And perhaps more importantly, for our purposes of developing trading indicators, over 52% of Seeking Alpha readers bought stocks in the trailing 30 days - double the closest second (TheStreet.com, at just over 26%). This means that there could be a close connection between SeekingAlpha subscriber trends and actual trading activity.

If you're looking for ideas from this very interesting data set, this list will offer a good starting point.

As a starting point, we only focused on stocks that had more than 150 SeekingAlpha subscribers on November 7.

We narrowed down the list by only selecting companies that saw SeekingAlpha subscriber growth exceed 15% between November 7 and December 5.

And finally, we only selected stocks from this list that saw significant institutional buying during the most recent quarter.

Here is the final list, sorted by the size of SeekingAlpha subscriber growth.

1. DCP Midstream Partners LP (NYSE:DPM): Engages in gathering, compressing, treating, processing, transporting, storing, and selling natural gas in the United States. Market cap at $2.44B, most recent closing price at $39.91. SeekingAlpha subscribers increased from 401 to 514 between 11/7 and 12/5 (28.18% gain). Net institutional purchases in the current quarter at 3.8M shares, which represents about 10% of the company's float of 38.00M shares.

2. Flowers Foods, Inc. (NYSE:FLO): Produces and markets bakery products in the United States. Market cap at $3.26B, most recent closing price at $23.56. SeekingAlpha subscribers increased from 216 to 276 between 11/7 and 12/5 (27.78% gain). Net institutional purchases in the current quarter at 6.4M shares, which represents about 5.3% of the company's float of 120.65M shares.

3. Health Management Associates Inc. (NYSE:HMA): Engages in the operation of general acute care hospitals and other health care facilities in non-urban communities in the United States. Market cap at $1.89B, most recent closing price at $7.37. SeekingAlpha subscribers increased from 269 to 342 between 11/7 and 12/5 (27.14% gain). Net institutional purchases in the current quarter at 13.1M shares, which represents about 6.29% of the company's float of 208.29M shares.

4. The Active Network, Inc. (NYSE:ACTV): Offers application services technology and marketing access to community service and participatory sports organizations.. Market cap at $302.85M, most recent closing price at $5.0. SeekingAlpha subscribers increased from 190 to 240 between 11/7 and 12/5 (26.32% gain). Net institutional purchases in the current quarter at 2.4M shares, which represents about 5.19% of the company's float of 46.24M shares.

5. LeapFrog Enterprises Inc. (NYSE:LF): Provides technology-based learning platforms worldwide. Market cap at $603.35M, most recent closing price at $8.92. SeekingAlpha subscribers increased from 486 to 606 between 11/7 and 12/5 (24.69% gain). Net institutional purchases in the current quarter at 6.6M shares, which represents about 12.15% of the company's float of 54.32M shares.

6. Smith & Wesson Holding Corporation (NASDAQ:SWHC): Offers metal processing services and manufactures firearms and handcuffs as well as apparel and sportsmen's articles. Market cap at $698.23M, most recent closing price at $10.66. SeekingAlpha subscribers increased from 863 to 1048 between 11/7 and 12/5 (21.44% gain). Net institutional purchases in the current quarter at 5.3M shares, which represents about 8.73% of the company's float of 60.72M shares.

7. Zillow, Inc. (NASDAQ:Z): Operates an online real estate information marketplace. Market cap at $909.3M, most recent closing price at $27.20. SeekingAlpha subscribers increased from 694 to 838 between 11/7 and 12/5 (20.75% gain). Net institutional purchases in the current quarter at 7.1M shares, which represents about 40.73% of the company's float of 17.43M shares.

8. Colfax Corporation (NYSE:CFX): Designs, manufactures, and distributes fluid handling products that transfer or control liquids in various applications worldwide. Market cap at $3.62B, most recent closing price at $38.54. SeekingAlpha subscribers increased from 164 to 193 between 11/7 and 12/5 (17.68% gain). Net institutional purchases in the current quarter at 4.7M shares, which represents about 7.36% of the company's float of 63.84M shares.

9. Zale Corporation (NYSE:ZLC): Operates as a specialty retailer of fine jewelry in North America. Market cap at $156.9M, most recent closing price at $4.85. SeekingAlpha subscribers increased from 215 to 252 between 11/7 and 12/5 (17.21% gain). Net institutional purchases in the current quarter at 3.7M shares, which represents about 13.66% of the company's float of 27.09M shares.

10. Tesla Motors, Inc. (NASDAQ:TSLA): Designs, develops, manufactures, and sells electric vehicles and advanced electric vehicle powertrain components. Market cap at $3.86B, most recent closing price at $33.90. SeekingAlpha subscribers increased from 2797 to 3273 between 11/7 and 12/5 (17.02% gain). Net institutional purchases in the current quarter at 9.8M shares, which represents about 12.9% of the company's float of 75.97M shares.

11. USANA Health Sciences Inc. (NYSE:USNA): Develops, manufactures, distributes, and sells nutritional and personal care products worldwide. Market cap at $614M, most recent closing price at $42.55. SeekingAlpha subscribers increased from 190 to 221 between 11/7 and 12/5 (16.32% gain). Net institutional purchases in the current quarter at 1.4M shares, which represents about 21.94% of the company's float of 6.38M shares.

12. Knight Capital Group, Inc. (NYSE:KCG): Provides access to the capital markets across multiple asset classes to buy-and sell-side firms, and corporations, as well as offers capital markets services to corporate issuers and private companies primarily in the United States. Market cap at $605.69M, most recent closing price at $3.33. SeekingAlpha subscribers increased from 814 to 943 between 11/7 and 12/5 (15.85% gain). Net institutional purchases in the current quarter at 44.2M shares, which represents about 24.61% of the company's float of 179.58M shares.

13. Ellington Financial LLC (NYSE:EFC): Market cap at $454.33M, most recent closing price at $22.13. SeekingAlpha subscribers increased from 204 to 236 between 11/7 and 12/5 (15.69% gain). Net institutional purchases in the current quarter at 2.2M shares, which represents about 14.22% of the company's float of 15.47M shares.

14. Halc (NYSE:HK): Engages in the acquisition, exploration, and development of mineral properties in British Columbia, Canada. Market cap at $1.32B, most recent closing price at $6.10. SeekingAlpha subscribers increased from 1371 to 1584 between 11/7 and 12/5 (15.54% gain). Net institutional purchases in the current quarter at 18.8M shares, which represents about 9.55% of the company's float of 196.86M shares.

15. Freescale Semiconductor Holdings I, Ltd. (NYSE:FSL): Engages in processing semiconductors and solutions for automotive, networking, industrial, and consumer markets worldwide. Market cap at $2.28B, most recent closing price at $9.18. SeekingAlpha subscribers increased from 194 to 224 between 11/7 and 12/5 (15.46% gain). Net institutional purchases in the current quarter at 5.8M shares, which represents about 11.37% of the company's float of 51.02M shares.

16. Flagstar Bancorp Inc. (NYSE:FBC): Operates as the holding company for Flagstar Bank, FSB that offers consumer and commercial financial products and services to individuals, and small and middle market businesses in Michigan, Indiana, and Georgia. Market cap at $1.06B, most recent closing price at $19.0. SeekingAlpha subscribers increased from 369 to 425 between 11/7 and 12/5 (15.18% gain). Net institutional purchases in the current quarter at 4.1M shares, which represents about 20.85% of the company's float of 19.66M shares.

17. Suburban Propane Partners LP (NYSE:SPH): Engages in the retail marketing and distribution of propane, fuel oil, and refined fuels, and the marketing of natural gas and electricity in the United States. Market cap at $1.37B, most recent closing price at $38.86. Net institutional purchases in the current quarter at 7.7M shares, which represents about 21.89% of the company's float of 35.17M shares.

Source: SeekingAlpha Favorites Boosted By Hedge Fund Buying