FASTENAL CO (FAST) Institutional Ownership Changes & 13F Activity

FASTENAL CO (FAST). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Cantillon Capital Management, Mairs & Power Growth Fund, Sequoia Financial Advisors, Renaissance Technologies LLC, and Meritage Group.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q2 2016Mairs & Power Growth FundSell-13,9042,195,387$97,453
Q2 2016Sequoia Financial AdvisorsBuy4,8055,052$224
Q2 2016Ariel Appreciation FundBuy1,27542,869$1,903
Q1 2016Polen Capital ManagementBuy813,5376,399,034$313,553
Q1 2016Giverny CapitalSell-254,0574,077$200
Q1 2016Bares Capital ManagementSell-29,8321,944,332$95,272
Q1 2016Mairs & Power Growth FundBuy6,4242,209,291$108,255
Q1 2016Sequoia Financial AdvisorsSell-5,500247$5,042
Q1 2016Ariel Appreciation FundBuy3,91241,594$2,038
Q4 2015Polen Capital ManagementBuy458,6125,585,497$228,000
Q4 2015Bares Capital ManagementBuy441,1541,974,164$80,585
Q4 2015Ariel Appreciation FundSell-6,70037,682$1,538
Q4 2015Mairs & Power Growth FundBuy1,3552,202,867$89,921
Q4 2015Giverny CapitalBuy683258,134$10,537
Q3 2015Bares Capital ManagementBuy911,7521,533,010$56,123
Q3 2015Polen Capital ManagementBuy126,2685,126,885$187,695
Q3 2015Mairs & Power Growth FundBuy32,1162,201,512$80,597
Q3 2015Giverny CapitalBuy6,249257,451$9,425
Q3 2015Ariel Appreciation FundBuy5,40944,382$1,625
Q2 2015Bares Capital ManagementBuy621,258621,258$26,205
Q2 2015Polen Capital ManagementSell-105,0235,000,617$210,926
Q2 2015Giverny CapitalBuy8,712251,202$10,596
Q2 2015Ariel Appreciation FundBuy7,18138,973$1,644
Q2 2015Mairs & Power Growth FundBuy1,1912,169,396$91,505
Q2 2015Sequoia Financial AdvisorsBuy2405,747$242
Q1 2015Polen Capital ManagementBuy2,393,5515,105,640$211,578
Q1 2015Renaissance Technologies LLCBuy1,228,8001,537,744$63,716
Q1 2015Giverny CapitalBuy242,490242,490$10,048
Q1 2015Mairs & Power Growth FundBuy34,2942,168,205$89,840
Q1 2015Ariel Appreciation FundBuy31,79231,792$1,317

Frequently asked questions about FAST activity

  • Which institutional owners are buying FAST?

    Institutional owners buying FAST include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in FAST activity?

    "Buy" means an investor increased their reported position in FAST compared to the prior reporting period. This reflects growing exposure to FASTENAL CO (FAST) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in FAST increasing?

    Institutional interest in FAST can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

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