FIRSTSERVICE CORP (FSV) Institutional Ownership Changes & 13F Activity

FIRSTSERVICE CORP (FSV) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Third Avenue Management, Turtle Creek Asset Management, Renaissance Technologies LLC, Durable Capital Partners, and Polen Capital Management.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Third Avenue ManagementBuy31,73850,452$7,009,801
Q1 2026Turtle Creek Asset ManagementBuy12,40012,400$1,722,856
Q1 2026Renaissance Technologies LLCBuy452490,440$68,141,734
Q4 2025Durable Capital PartnersSell-1,780,122436,598$67,904,087
Q4 2025Renaissance Technologies LLCSell-66,052489,988$76,207,834
Q4 2025Third Avenue ManagementBuy18,71418,714$2,910,588
Q3 2025Durable Capital PartnersBuy253,1552,216,720$365,175,071
Q3 2025Renaissance Technologies LLCSell-40,000556,040$105,920,060
Q2 2025Durable Capital PartnersSell-193,1481,963,565$342,877,720
Q2 2025Renaissance Technologies LLCSell-41,248596,040$104,080,505
Q2 2025Polen Capital ManagementSell-27,4012,247$392,371
Q1 2025Durable Capital PartnersSell-417,5552,156,713$357,906,522
Q1 2025Renaissance Technologies LLCBuy45,800637,288$105,757,944
Q1 2025Polen Capital ManagementSell-3,12329,648$4,920,011
Q4 2024Durable Capital PartnersSell-806,9682,574,268$465,993,993
Q4 2024Renaissance Technologies LLCSell-37,000591,488$107,071,158
Q4 2024Polen Capital ManagementBuy4,63432,771$5,932,159
Q3 2024Durable Capital PartnersSell-153,6333,381,236$616,940,321
Q3 2024Renaissance Technologies LLCSell-14,900628,488$114,673,920
Q3 2024Polen Capital ManagementSell-1,65028,137$5,133,822
Q2 2024Durable Capital PartnersBuy498,4353,534,869$538,607,990
Q2 2024Renaissance Technologies LLCBuy21,100643,388$98,033,030
Q2 2024Polen Capital ManagementSell-6,07629,787$4,538,645
Q1 2024Durable Capital PartnersBuy180,6393,036,434$503,440,757
Q1 2024Renaissance Technologies LLCSell-23,900622,288$103,173
Q1 2024Polen Capital ManagementSell-76535,863$5,946,038
Q4 2023Durable Capital PartnersSell-153,0732,855,795$462,895,812
Q4 2023Renaissance Technologies LLCSell-10,800646,188$104,754
Q4 2023Polen Capital ManagementSell-3,53136,628$5,937,101
Q3 2023Durable Capital PartnersSell-328,6293,008,868$437,910,649

Frequently asked questions about FSV activity

  • Which institutional owners are buying FSV?

    Institutional owners buying FSV 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 FSV activity?

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

  • Is institutional interest in FSV increasing?

    Institutional interest in FSV 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.

Related FSV insights