Constellation SoftwareCNSWF
13F holders, Q1 2026 (March 31)13holders −6
2new positions
7sold out
$1752.87avg. 13F price*
At the end of Q1 2026, 13 institutions reported holding Constellation Software Inc. (CNSWF) in their 13F filings, down 6 from Q4 2025. 2 opened new positions and 7 sold out. The largest holders were Mn Services Vermogensbeheer B.V. ($13.6M), Appleton Partners Inc. ($4.0M) and O'Brien Greene & Co. Inc ($1.7M).
- Company
- Constellation Software Inc.
- CUSIP
- 21037X100
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 2 | $863K |
| Exits | 7 | $7.4M |
All 13F filers, Q4 2025 → Q1 2026: 510 shares bought and 3,377 shares sold, net −2,867 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 13 holders
| Mn Services Vermogensbeheer B.V. | 0.09% | No change | 7,767 | $13.6M |
| Appleton Partners Inc. | 0.28% | Reduce -8.4% | 2,276 | $4.0M |
| O'Brien Greene & Co. Inc | 0.48% | Add +1.8% | 963 | $1.7M |
| DF Dent & Co. Inc. | 0.02% | Reduce -7.7% | 573 | $1.0M |
| McIlrath & Eck, LLC | 0.06% | New | 483 | $845K |
| Ancora Advisors LLC | 0.01% | Reduce -11.1% | 329 | $576K |
| Lountzis Asset Management, LLC | 0.18% | No change | 285 | $501K |
| GAMMA Investing LLC | 0.00% | Reduce -37.8% | 23 | $40K |
| Kelleher Financial Advisors | 0.01% | No change | 12 | $21K |
| Ascentis Wealth Management, LLC | 0.00% | New | 10 | $18K |
| Wellington-Altus USA Inc. | 0.00% | Reduce -20.0% | 4 | $8K |
| PNC Financial Services Group, Inc. | 0.00% | Reduce -20.0% | 4 | $7K |
| Atlas Capital Advisors Inc. | 0.00% | No change | 2 | $4K |
"% of holder's portfolio" is CNSWF's weight in each manager's 13F, not the share of Constellation Software Inc. the manager owns.