Calms Antko GLB Sust Eqy ETFSROIETF

13F holders, Q1 2026 (March 31)
10holders +2
3new positions
1sold out
1famous investor
$32.70avg. 13F price*

At the end of Q1 2026, 10 institutions reported holding Calms Antko GLB Sust Eqy ETF (SROI) in their 13F filings, up 2 from Q4 2025. 3 opened new positions and 1 sold out. The largest holders were Arlington Financial Advisors, LLC ($5.0M), Citadel Advisors ($1.8M) and Jane Street Group, LLC ($1.2M). One famous investor held it Ken Griffin (0.0% of Citadel Advisors's portfolio).

Company
Calms Antko GLB Sust Eqy ETF
Filed as
CALAMOS ETF TR (Q1 2026)
CUSIP
12811T209
Latest filing quarter
Q2 2026

History

Number of 13F holders

0246810 Q1 2024: 7Q1 2024Q2 2024: 4Q2 2024Q3 2024: 6Q3 2024Q4 2024: 7Q4 2024Q1 2025: 7Q1 2025Q2 2025: 9Q2 2025Q3 2025: 9Q3 2025Q4 2025: 8Q4 2025Q1 2026: 10Q1 2026Q2 2026: 10Q2 2026

Total Exit/New Position Q4 2025 → Q1 2026

InstitutionsTotal Value
New Positions3$1.6M
Exits1$234K

All 13F filers, Q4 2025 → Q1 2026: 54,833 shares bought and 14,774 shares sold, net +40,059 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 10 holders

Arlington Financial Advisors, LLC 0.72% Add +2.2% 154,437 $5.0M
Citadel Advisors 0.00% Reduce -12.6% 54,207 $1.8M
Jane Street Group, LLC 0.00% New 37,967 $1.2M
Osaic Holdings, Inc. 0.00% Add +43.2% 11,294 $369K
Calamos Wealth Management LLC 0.01% No change 10,130 $331K
Calamos Advisors LLC 0.00% New 10,130 $331K
Sittner & Nelson, LLC 0.08% No change 6,393 $209K
Scarborough Advisors, LLC 0.00% No change 195 $6K
Harbour Investments, Inc. 0.00% New 30 $981
City State Bank 0.00% No change 20 $654

"% of holder's portfolio" is SROI's weight in each manager's 13F, not the share of Calms Antko GLB Sust Eqy ETF the manager owns.