Calamos Advisors
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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
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 $680M AUM 30.34% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
GCM
Geneva Capital Management Milwaukee, Wisconsin $4.71B AUM 6.32% 1-Year Est. Return

Calamos Advisors's BLKB Position: Q1 2026 in Review

Calamos Advisors held its Blackbaud (BLKB) position steady in Q1 2026 at 133,042 shares worth $5.14M. The position accounts for 0.02% of the portfolio, ranked #550.

Calamos Advisors first reported a position in BLKB in Q2 2023 and has held it in 11 quarters since. The position peaked at $10.5M in Q2 2025. 295 funds tracked by Wall St. Rank hold BLKB as of Q1 2026.

  • Calamos Advisors held 133,042 shares of Blackbaud worth $5.14M as of Q1 2026.
  • Calamos Advisors left its Blackbaud share count unchanged in Q1 2026.
  • Blackbaud made up 0.02% of Calamos Advisors's portfolio in Q1 2026, its #550 holding.
  • Calamos Advisors first reported a position in Blackbaud in Q2 2023 and has held it in 11 quarters since.
  • Calamos Advisors's Blackbaud position peaked at $10.5M in Q2 2025.
  • 295 funds tracked by Wall St. Rank held Blackbaud as of Q1 2026.

Based on Calamos Advisors's 13F filing for Q1 2026, filed 4 May 2026.