Who Owns CALAMOS ETF TR (CBOY)?Hedge Fund & Institutional Holders
$24.34+0.00 (+0.00%)BATS
Institutional Holders
9
as of Q4 2025
Total Institutional Value
$1003100045035.0T
% of Float Held
—
QoQ Change in Holders
+4 / -2
Price History
CBOY — Biggest New Institutional Buyers This Quarter
| Fund | Action | Shares Added | Value Added |
|---|---|---|---|
| ATX Financial Planning, LLC | New Position | +41K | +$1.0M |
| Calamos Advisors LLC | New Position | +18K | +$450K |
| Markin Asset Management, LP | New Position | +14K | +$350K |
| Ankerstar Wealth, LLC | New Position | +1K | +$33K |
| Cambridge Investment Research Advisors, Inc. | Increased | +107 | +$-353K |
| JANE STREET GROUP, LLC | Increased | +2K | +$-461.5M |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | +31K | +$-894.4M |
CBOY — Institutions Reducing or Closing Positions
| Fund | Action | Shares Sold | Value Sold |
|---|---|---|---|
| CGN Advisors LLC | Closed Position | -24K | -$619.9M |
| UBS Group AG | Closed Position | -3 | -$76K |
Top Institutional Holders(Q4 2025)
| # | Fund | Shares | Value | % of Portfolio | Type |
|---|---|---|---|---|---|
| 1 | ATX Financial Planning, LLC | 40,812 | $1.0M | 0.77% | Share |
| 2 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 66,635 | $1.0M | 0.00% | Share |
| 3 | Calamos Advisors LLC | 18,345 | $450K | 0.00% | Share |
| 4 | Markin Asset Management, LP | 14,241 | $350K | 0.38% | Share |
| 5 | HARBOUR INVESTMENTS, INC. | 6,704 | $164K | 0.00% | Share |
| 6 | Ankerstar Wealth, LLC | 1,375 | $33K | 0.03% | Share |
| 7 | JANE STREET GROUP, LLC | 19,652 | $0 | 0.00% | Share |
| 8 | IFP Advisors, Inc | 2,175 | $0 | 0.00% | Share |
| 9 | Cambridge Investment Research Advisors, Inc. | 13,990 | $0 | 0.00% | Share |
CBOY Institutional Ownership History
| Quarter | Holders | Total Value | Change |
|---|---|---|---|
| Q4 2025 | 9 | $3.0M | +2 |
| Q3 2025 | 7 | $2.2B | — |
As of Q4 2025, 9 institutional investors hold CBOY (CALAMOS ETF TR). The largest holder is ATX Financial Planning, LLC with $1.0M in shares. This quarter, 4 institutions opened new positions and 2 closed their positions.
Frequently Asked Questions
How many hedge funds own CBOY?
As of Q4 2025, 9 institutional investors report holding CBOY (CALAMOS ETF TR) in their 13F filings.
Who is the largest institutional holder of CBOY?
The largest institutional holder of CBOY is ATX Financial Planning, LLC with $1.0M in shares.
Is institutional ownership of CBOY increasing or decreasing?
This quarter, 4 institutions opened new positions in CBOY and 2 closed their positions.