MSA SAFETY INC (MSA) Stock Institutional Trading Activity


MSA SAFETY INC (MSA) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q3 2025), investors with some of the largest reported share count changes include Sequoia Fund, Sequoia Financial Advisors, Renaissance Technologies LLC, and Mairs & Power Growth Fund. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q3 2025Sequoia Financial AdvisorsBuy1,1781,178$202,699
Q3 2025Sequoia FundBuy756,2191,705,286$293,428,562
Q2 2025Mairs & Power Growth FundSell-201,470$246,269
Q2 2025Renaissance Technologies LLCSell-46,0003,800$636,614
Q2 2025Sequoia FundBuy949,067949,067$158,997,195
Q1 2025Mairs & Power Growth FundBuy201,490$218,568
Q1 2025Renaissance Technologies LLCSell-19,00049,800$7,305,162
Q4 2024Renaissance Technologies LLCSell-11,30068,800$11,404,976
Q3 2024Renaissance Technologies LLCBuy5,60080,100$14,204,934
Q2 2024Mairs & Power Growth FundSell-401,470$275,904
Q2 2024Renaissance Technologies LLCSell-13,70074,500$13,982,905
Q1 2024Renaissance Technologies LLCSell-3,70088,200$17,075
Q1 2024Mairs & Power Growth FundBuy201,510$292,321
Q4 2023Renaissance Technologies LLCBuy5,40091,900$15,515
Q4 2023Mairs & Power Growth FundBuy201,490$251,557
Q3 2023Renaissance Technologies LLCBuy28,10086,500$13,637
Q2 2023Renaissance Technologies LLCSell-22,20058,400$10,159
Q1 2023Renaissance Technologies LLCBuy15,70080,600$10,760
Q4 2022Renaissance Technologies LLCBuy2,10064,900$9,358
Q4 2022Mairs & Power Growth FundBuy1,4701,470$211,959
Q3 2022Renaissance Technologies LLCSell-32,60062,800$6,863
Q2 2022Renaissance Technologies LLCBuy66,70095,400$11,550
Q1 2022Renaissance Technologies LLCBuy24,37728,700$3,808
Q4 2021Renaissance Technologies LLCSell-13,8774,323$653
Q3 2020Renaissance Technologies LLCSell-127,60018,200$2,442
Q2 2020Renaissance Technologies LLCBuy94,700145,800$16,685
Q2 2019Renaissance Technologies LLCSell-12,00051,100$5,385
Q1 2019Renaissance Technologies LLCSell-10,00063,100$6,525
Q1 2018Renaissance Technologies LLCSell-5,60073,100$6,085
Q4 2017Renaissance Technologies LLCSell-50,80078,700$6,101

Frequently asked questions about MSA activity

  • Which institutional owners are buying MSA?

    Institutional owners buying MSA 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 MSA activity?

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

  • Is institutional interest in MSA increasing?

    Institutional interest in MSA 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.