Calamos Advisors’s BlackRock Science and Technology Trust BST Stock Holding History

Calamos Advisors’s Portfolio BST Stock Details BST Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$371K	Buy	+7,314	New	+$326K	﹤0.01%	855
2025 Q3	–	Sell	-8,586	Closed	-$328K	–	934
2025 Q2	$328K	Buy	8,586 +94	+1%	+$3.29K	﹤0.01%	783
2025 Q1	$280K	Sell	8,492 -1,624	-16%	-$59.3K	﹤0.01%	771
2024 Q4	$370K	Buy	10,116 +3,683	+57%	+$135K	﹤0.01%	756
2024 Q3	$228K	Buy	+6,433	New	+$227K	﹤0.01%	783

Other funds holding BST

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Raymond James Financial St Petersburg, Florida $369B AUM 28.27% 1-Year Est. Return

KIM

Karpus Investment Management Pittsford, New York $3.48B AUM 10.49% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

1CP

1607 Capital Partners Richmond, Virginia $1.15B AUM 12.28% 1-Year Est. Return

ZCP

Z3 Capital Partners Richmond, Virginia $476M AUM

LPL Financial San Diego, California $445B AUM 25.58% 1-Year Est. Return

Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return

Royal Bank of Canada Toronto, Ontario, Canada $672B AUM 33.48% 1-Year Est. Return

SPIA

Steward Partners Investment Advisory New York $19.6B AUM 29.84% 1-Year Est. Return

Calamos Advisors's BST Position: Q2 2026 in Review

Calamos Advisors opened a new position in BlackRock Science and Technology Trust (BST) in Q2 2026: 7,314 shares worth $371K. The stake represents ﹤0.01% of the portfolio and ranks #855 among its holdings. This is a return to the name: Calamos Advisors previously reported a position in BST as recently as Q2 2025.

Calamos Advisors first reported a position in BST in Q3 2024 and has held it in 5 quarters since. 135 funds tracked by Wall St. Rank hold BST as of Q2 2026.

Calamos Advisors held 7,314 shares of BlackRock Science and Technology Trust worth $371K as of Q2 2026.
BlackRock Science and Technology Trust was a new Calamos Advisors position in Q2 2026.
BlackRock Science and Technology Trust made up ﹤0.01% of Calamos Advisors's portfolio in Q2 2026, its #855 holding.
Calamos Advisors first reported a position in BlackRock Science and Technology Trust in Q3 2024 and has held it in 5 quarters since.
135 funds tracked by Wall St. Rank held BlackRock Science and Technology Trust as of Q2 2026.

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