CONSTELLATION SOFTWARE INC - CNSWF
Detailed investor-level table based on 13F positions.
Early Q1 2026 data: only 1 institutional holders reported so far. The full shareholder list will grow as more funds file with the SEC.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mn Services Vermogensbeheer B.V. | History | Added to | 7,767 | 18,706 | 0.12% | 0.14% | 1 | +67 | 0.87% | Q4 2025 | Jan 15, 2026 |
| APPLETON PARTNERS INC/MA | History | Reduced | 2,485 | 5,963 | 0.39% | 0.48% | 2 | -131 | -5.01% | Q4 2025 | Jan 09, 2026 |
| TORRAY INVESTMENT PARTNERS LLC | History | Reduced | 2,136 | 5,138 | 0.74% | 0.84% | 3 | -151 | -6.6% | Q4 2025 | Jan 28, 2026 |
| O'Brien Greene & Co. Inc | History | New | 946 | 2,270 | 0.67% | — | 4 | +946 | New | Q4 2025 | Feb 05, 2026 |
| DF DENT & CO INC | History | Reduced | 621 | 1,490 | 0.02% | 0.02% | 5 | -29 | -4.46% | Q4 2025 | Feb 17, 2026 |
| HighPoint Advisor Group LLC | History | No change | 400 | 959 | 0.04% | 0.05% | 6 | 0 | 0.0% | Q4 2025 | Feb 04, 2026 |
| Ancora Advisors LLC | History | Added to | 370 | 891 | 0.02% | 0.02% | 7 | +59 | 18.97% | Q4 2025 | Feb 17, 2026 |
| KIRTLAND HILLS CAPITAL MANAGEMENT, LLC | History | Reduced | 343 | 823 | 0.29% | 0.39% | 8 | -20 | -5.51% | Q4 2025 | Feb 13, 2026 |
| LOUNTZIS ASSET MANAGEMENT, LLC | History | Reduced | 285 | 685 | 0.24% | 0.28% | 9 | -26 | -8.36% | Q4 2025 | Feb 06, 2026 |
| STUDIO INVESTMENT MANAGEMENT LLC | History | Added to | 89 | 214 | 0.04% | 0.04% | 10 | +4 | 4.71% | Q4 2025 | Feb 09, 2026 |
| BECK MACK & OLIVER LLC | History | No change | 88 | 211 | 0.0% | 0.0% | 11 | 0 | 0.0% | Q4 2025 | Feb 12, 2026 |
| GAMMA Investing LLC | History | Reduced | 37 | 88 | 0.0% | 0.01% | 12 | -27 | -42.19% | Q4 2025 | Jan 05, 2026 |
| KELLEHER FINANCIAL ADVISORS | History | No change | 12 | 28 | 0.01% | 0.01% | 13 | 0 | 0.0% | Q4 2025 | Jan 20, 2026 |
| ORG Partners LLC | History | No change | 10 | 24 | 0.0% | 0.0% | 14 | 0 | 0.0% | Q4 2025 | Jan 14, 2026 |
| VICTORY CAPITAL MANAGEMENT INC | History | New | 6 | 14 | 0.0% | — | 15 | +6 | New | Q4 2025 | Feb 13, 2026 |
| PNC FINANCIAL SERVICES GROUP, INC. | History | Reduced | 5 | 12 | 0.0% | 0.0% | 16 | -1 | -16.67% | Q4 2025 | Feb 06, 2026 |
| ATLAS CAPITAL ADVISORS INC. | History | New | 2 | 4 | 0.0% | — | 17 | +2 | New | Q4 2025 | Feb 13, 2026 |
| Steigerwald, Gordon & Koch Inc. | History | New | 1 | 2 | 0.0% | — | 18 | +1 | New | Q4 2025 | Jan 23, 2026 |
| HWG Holdings LP | History | Closed out | 0 | 0 | — | 0.19% | — | -278 | -100.0% | Q3 2025 | Oct 14, 2025 |
| RHUMBLINE ADVISERS | History | Closed out | 0 | 0 | — | 0.0% | — | -5 | -100.0% | Q3 2025 | Nov 06, 2025 |