Calamos Advisors’s Blackbaud BLKB Stock Holding History

Calamos Advisors’s Portfolio BLKB Stock Details BLKB Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$3.94M	Hold	133,042	–	–	0.01%	584
2026 Q1	$5.14M	Hold	133,042	–	–	0.02%	550
2025 Q4	$8.42M	Sell	133,042 -3,692	-3%	-$228K	0.03%	435
2025 Q3	$8.79M	Sell	136,734 -26,315	-16%	-$1.72M	0.03%	436
2025 Q2	$10.5M	Buy	163,049 +26,315	+19%	+$1.65M	0.04%	397
2025 Q1	$8.48M	Buy	136,734 +45,483	+50%	+$3.23M	0.04%	427
2024 Q4	$6.75M	Buy	+91,251	New	+$7.47M	0.03%	478
2024 Q3	–	Sell	-38,660	Closed	-$2.94M	–	946
2024 Q2	$2.94M	Buy	38,660 +18,929	+96%	+$1.46M	0.01%	555
2024 Q1	$1.46M	Sell	19,731 -25,997	-57%	-$1.99M	0.01%	609
2023 Q4	$3.96M	Sell	45,728 -9,035	-16%	-$684K	0.02%	537
2023 Q3	$3.85M	Buy	54,763 +4,763	+10%	+$351K	0.02%	556
2023 Q2	$3.56M	Buy	+50,000	New	+$3.51M	0.02%	607

Other funds holding BLKB

CCG

Clearlake Capital Group Santa Monica, California $529M AUM 50.26% 1-Year Est. Return

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

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

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

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

Jupiter Topco New York $245B AUM

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return

Calamos Advisors's BLKB Position: Q2 2026 in Review

Calamos Advisors held its Blackbaud (BLKB) position steady in Q2 2026 at 133,042 shares worth $3.94M. The position accounts for 0.01% of the portfolio, ranked #584.

Calamos Advisors first reported a position in BLKB in Q2 2023 and has held it in 12 quarters since. The position peaked at $10.5M in Q2 2025. 284 funds tracked by Wall St. Rank hold BLKB as of Q2 2026.

Calamos Advisors held 133,042 shares of Blackbaud worth $3.94M as of Q2 2026.
Calamos Advisors left its Blackbaud share count unchanged in Q2 2026.
Blackbaud made up 0.01% of Calamos Advisors's portfolio in Q2 2026, its #584 holding.
Calamos Advisors first reported a position in Blackbaud in Q2 2023 and has held it in 12 quarters since.
Calamos Advisors's Blackbaud position peaked at $10.5M in Q2 2025.
284 funds tracked by Wall St. Rank held Blackbaud as of Q2 2026.

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