Calamos Advisors’s Strategy Inc 8.00% Series A Perpetual Strike Preferred Stock STRK Stock Holding History

Calamos Advisors’s Portfolio STRK Stock Details STRK Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$11.8M	Hold	200,000	–	–	0.04%	374
2026 Q1	$14.1M	Hold	200,000	–	–	0.05%	336
2025 Q4	$15.8M	Buy	200,000 +50,000	+33%	+$4.3M	0.06%	302
2025 Q3	$13.8M	Buy	+150,000	New	+$15.6M	0.05%	349

Other funds holding STRK

Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return

VanEck Associates New York $164B AUM 112.45% 1-Year Est. Return

Mirae Asset Global ETFs Holdings Causeway Bay, Hong Kong $83.9B AUM 60.43% 1-Year Est. Return

ParaFi Capital New York $361M AUM 39.32% 1-Year Est. Return

Osaic Holdings Scottsdale, Arizona $85.1B AUM 27.35% 1-Year Est. Return

GCM

Greenland Capital Management New York $812M AUM 45.54% 1-Year Est. Return

ICA

Infrastructure Capital Advisors New York $1.71B AUM 14.82% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Calamos Advisors's STRK Position: Q2 2026 in Review

Calamos Advisors held its Strategy Inc 8.00% Series A Perpetual Strike Preferred Stock (STRK) position steady in Q2 2026 at 200,000 shares worth $11.8M. The position accounts for 0.04% of the portfolio, ranked #374.

Calamos Advisors first reported a position in STRK in Q3 2025 and has held it in 4 quarters since. The position peaked at $15.8M in Q4 2025. 85 funds tracked by Wall St. Rank hold STRK as of Q2 2026.

Calamos Advisors held 200,000 shares of Strategy Inc 8.00% Series A Perpetual Strike Preferred Stock worth $11.8M as of Q2 2026.
Calamos Advisors left its Strategy Inc 8.00% Series A Perpetual Strike Preferred Stock share count unchanged in Q2 2026.
Strategy Inc 8.00% Series A Perpetual Strike Preferred Stock made up 0.04% of Calamos Advisors's portfolio in Q2 2026, its #374 holding.
Calamos Advisors first reported a position in Strategy Inc 8.00% Series A Perpetual Strike Preferred Stock in Q3 2025 and has held it in 4 quarters since.
Calamos Advisors's Strategy Inc 8.00% Series A Perpetual Strike Preferred Stock position peaked at $15.8M in Q4 2025.
85 funds tracked by Wall St. Rank held Strategy Inc 8.00% Series A Perpetual Strike Preferred Stock as of Q2 2026.

Based on Calamos Advisors's 13F filing for Q2 2026, filed 31 Jul 2026.