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Constellation Software (CNSWF): which funds own it

Data as of Jun 30, 2026 (Q2 2026) · updated on Nov 5, 2026

A 13F shows the portfolio at quarter-end and is filed up to 45 days later: these are not real-time positions and they may have changed.

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No concentrated manager holds it.

Who owns Constellation Software?

As of Jun 30, 2026, the largest holders reported on Form 13F were Mn Services Vermogensbeheer B.V (5,867 shares), O'Brien Greene (3,411 shares) and Appleton Partners (3,159 shares).

Which institutions hold the most Constellation Software shares?

Per Form 13F filings as of Jun 30, 2026:

  1. 1. Mn Services Vermogensbeheer B.V: 5,867 shares
  2. 2. O'Brien Greene: 3,411 shares
  3. 3. Appleton Partners: 3,159 shares
  4. 4. Bretton Capital Management: 2,100 shares
  5. 5. DF Dent: 573 shares
  6. 6. Atlas Capital Advisors: 427 shares
  7. 7. Ancora Advisors: 321 shares
  8. 8. Lountzis Asset Management: 285 shares
  9. 9. Kelleher Financial Advisors: 24 shares
  10. 10. GAMMA Investing: 17 shares

We hold 13D and 13G filings made since December 2024: a holder above 5% that has not filed since then does not appear here.

Concentrated managers
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All 13F: 13
Consensus
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No score: it needs 5 or more concentrated managers
Price at Jun 30, 2026 (per 13F)
$1,888
+7.6% in the quarter · reported value ÷ shares, not the quote · See current quote ↗

Quarter flow (concentrated managers)

Concentrated managers holding it

None in the latest quarter.

Largest holders of CNSWF (all 13F filers)

The 10 13F filers with the most shares as of Jun 30, 2026, whatever their type (index firms usually come first). “Change”: shares added or cut versus the previous quarter, split-adjusted; “no data” = there is no comparable portfolio for the previous quarter (no filing, or a filing with its holdings under confidential treatment). “% of the company” only where shares outstanding are up to date. Entities of the same group file separately and some 13F filings include other managers: there may be double counting. With a free account: the top 25, the largest buyers and the largest sellers.

Insiders (Form 4)

Officers and directors who bought (6 m)
no data
Amount (6 m)
no data
CEO/CFO bought (12 m)
No

Open-market purchases, excluding 10b5-1 plans. Officers and directors only; joint filers of the same purchase count as one. 10% owners with no role are shown separately. 0 = nobody bought; “no data” = we do not have its Form 4 filings.

Each of the company's Form 4 filings, on EDGAR ↗Latest trades, with date and filing →

Above 5% (13D/13G)

This list may be incomplete: we hold 13D and 13G filings made since December 2024. A holder above 5% that has not filed anything since then is not shown here.

No recent filings.

This company filed no 8-K forms in the last year. Foreign companies listed in the US (ADRs) report material events on forms 6-K and 20-F, and ETFs and funds do not file 8-Ks. If it is a foreign company listed in the US through ADRs (American Depositary Receipts), what trades are bank-issued certificates that represent shares from its home market. See its filings on EDGAR ↗

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