Constellation SoftwareCNSWF

13F holders, Q2 2026 (June 30)
13holders
2new positions
1sold out
$1893.57avg. 13F price*

At the end of Q2 2026, 13 institutions reported holding Constellation Software Inc. (CNSWF) in their 13F filings, unchanged from Q1 2026. 2 opened new positions and 1 sold out. The largest holders were Mn Services Vermogensbeheer B.V. ($11.0M), O'Brien Greene & Co. Inc ($6.4M) and Appleton Partners Inc. ($6.0M).

Company
Constellation Software Inc.
CUSIP
21037X100
Latest filing quarter
Q2 2026

History

Number of 13F holders

05101520 Q1 2024: 16Q1 2024Q2 2024: 17Q2 2024Q3 2024: 17Q3 2024Q4 2024: 16Q4 2024Q1 2025: 15Q1 2025Q2 2025: 18Q2 2025Q3 2025: 16Q3 2025Q4 2025: 19Q4 2025Q1 2026: 13Q1 2026Q2 2026: 13Q2 2026

Total Exit/New Position Q1 2026 → Q2 2026

InstitutionsTotal Value
New Positions2$4.1M
Exits1$8K

All 13F filers, Q1 2026 → Q2 2026: 5,872 shares bought and 1,918 shares sold, net +3,954 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 13 holders

Mn Services Vermogensbeheer B.V. 0.08% Reduce -24.5% 5,867 $11.0M
O'Brien Greene & Co. Inc 1.78% Add +254.2% 3,411 $6.4M
Appleton Partners Inc. 0.37% Add +38.8% 3,159 $6.0M
Bretton Capital Management, LLC 3.27% New 2,100 $4.1M
DF Dent & Co. Inc. 0.02% No change 573 $1.1M
Atlas Capital Advisors Inc. 0.09% Add +21250.0% 427 $806K
Ancora Advisors LLC 0.01% Reduce -2.4% 321 $604K
Lountzis Asset Management, LLC 0.17% No change 285 $538K
Kelleher Financial Advisors 0.01% Add +100.0% 24 $45K
GAMMA Investing LLC 0.00% Reduce -26.1% 17 $32K
Ascentis Wealth Management, LLC 0.00% No change 10 $19K
Sterling Capital Management LLC 0.00% New 4 $8K
PNC Financial Services Group, Inc. 0.00% No change 4 $8K

"% of holder's portfolio" is CNSWF's weight in each manager's 13F, not the share of Constellation Software Inc. the manager owns.