CONSTELLATION SOFTWARE INC (CNSWF) Institutional Ownership and Insiders Activity
CONSTELLATION SOFTWARE INC (CNSWF) is widely held by institutional investors, with 14 firms reporting positions valued at approximately $11.53M based on SEC Form 13F filings for the quarter ended June 30, 2026.
O'Brien Greene & Co. Inc is the largest disclosed holder, reporting approximately $6.44M in CNSWF holdings in its latest filing.
Institutional ownership remains highly concentrated, with O'Brien Greene & Co. Inc representing the majority of disclosed value.
Institutional Holders
14
Total Reported Value
$11.53M
Largest Holder
O'Brien Greene & Co. Inc
Largest Position
$6.44M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
15
Funds Exiting Positions
0
Top Institutional Owners
View allInvestorReported Balance
- O'Brien Greene & Co. Inc$6.44M
- Lountzis Asset Management$1.15M
- Df Dent & Co Inc$1.08M
- Mcilrath & Eck, Llc$845,263
- Atlas Capital Advisors Inc.$806,176
Related CNSWF Institutional Insights:
- CNSWF 13F Institutional Holders
- CNSWF Superinvestors
- CNSWF Institutional Ownership Changes
- Technology Sector Institutional Ownership
- Technology Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Technology Stocks By Institutional Investors
- Most Sold Technology Stocks By Institutional Investors
- CNSWF Insider Trading & SEC Form 4 Activity
- CNSWF Articles
- Top Institutional Investor Stock Rankings