CONSTELLATION SOFTWARE INC (CNSWF) Institutional Ownership Changes & 13F Activity
CONSTELLATION SOFTWARE INC (CNSWF). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include O'Brien Greene & Co. Inc, Bretton Capital Management, Llc, Mn Services Vermogensbeheer B.V., Appleton Partners Inc/Ma, and Mcilrath & Eck, Llc.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Ancora Advisors Llc | Sell | -8 | -2.4% | 321 | $604.10K | Q2 2026 | Aug 14, 2026 |
| Atlas Capital Advisors Inc. | Buy | +425 | +21250.0% | 427 | $806.18K | Q2 2026 | Aug 13, 2026 |
| Bretton Capital Management, Llc | Buy | +2,100 | — | 2,100 | $4.09M | Q2 2026 | Aug 12, 2026 |
| O'Brien Greene & Co. Inc | Buy | +2,448 | +254.2% | 3,411 | $6.44M | Q2 2026 | Aug 06, 2026 |
| Kelleher Financial Advisors | Buy | +12 | +100.0% | 24 | $45.17K | Q2 2026 | Aug 06, 2026 |
| Mn Services Vermogensbeheer B.V. | Sell | -1,900 | -24.5% | 5,867 | $11.04M | Q2 2026 | Jul 31, 2026 |
| Sterling Capital Management Llc | Buy | +4 | — | 4 | $7.55K | Q2 2026 | Jul 28, 2026 |
| Appleton Partners Inc/Ma | Buy | +883 | +38.8% | 3,159 | $5.96M | Q2 2026 | Jul 21, 2026 |
| Gamma Investing Llc | Sell | -6 | -26.1% | 17 | $32.10K | Q2 2026 | Jul 07, 2026 |
| Mcilrath & Eck, Llc | Sell | -483 | -100.0% | 0 | $0.00 | Q2 2026 | May 19, 2026 |
| Studio Investment Management Llc | Sell | -89 | -100.0% | 0 | $0.00 | Q2 2026 | May 05, 2026 |
Frequently asked questions about CNSWF activity
Which institutional owners are buying CNSWF?
Institutional owners buying CNSWF 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 CNSWF activity?
"Buy" means an investor increased their reported position in CNSWF compared to the prior reporting period. This reflects growing exposure to CONSTELLATION SOFTWARE INC (CNSWF) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in CNSWF increasing?
Institutional interest in CNSWF 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 CNSWF Institutional Insights
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