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
$1000000450000100224.0T
% of Float Held
—
QoQ Change in Holders
+4 / -2
Price History
CBOY — Biggest New Institutional Buyers This Quarter
| Fund | Action | Shares Added | Value Added |
|---|---|---|---|
| Calamos Advisors LLC | New Position | +18K | +$450.0M |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | +31K | +$104.6M |
| ATX Financial Planning, LLC | New Position | +41K | +$1.0M |
| 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 |
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 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 66,635 | $1.0B | 0.00% | Share |
| 2 | Calamos Advisors LLC | 18,345 | $450.0M | 0.00% | Share |
| 3 | ATX Financial Planning, LLC | 40,812 | $1.0M | 0.77% | 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 | Cambridge Investment Research Advisors, Inc. | 13,990 | $0 | 0.00% | Share |
| 8 | IFP Advisors, Inc | 2,175 | $0 | 0.00% | Share |
| 9 | JANE STREET GROUP, LLC | 19,652 | $0 | 0.00% | Share |
CBOY Institutional Ownership History
| Quarter | Holders | Total Value | Change |
|---|---|---|---|
| Q4 2025 | 9 | $1.5B | +2 |
| Q3 2025 | 7 | $2.2B | — |
As of Q4 2025, 9 institutional investors hold CBOY (CALAMOS ETF TR). The largest holder is SUSQUEHANNA INTERNATIONAL GROUP, LLP with $1.0B 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 SUSQUEHANNA INTERNATIONAL GROUP, LLP with $1.0B in shares.
Is institutional ownership of CBOY increasing or decreasing?
This quarter, 4 institutions opened new positions in CBOY and 2 closed their positions.