Calamos Advisors
ICLR icon

Calamos Advisors’s Icon ICLR Stock Holding History

Calamos Advisors’s Portfolio ICLR Stock Details ICLR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-26,500
Closed -$4.83M – 1238
2025
Q4 		$4.83M Buy
+26,500
New +$4.72M 0.02% 537
2025
Q2 		– Sell
-43,459
Closed -$7.6M – 953
2025
Q1 		$7.6M Sell
43,459
-43,330
-50% -$8.4M 0.03% 449
2024
Q4 		$18.2M Buy
86,789
+9,228
+12% +$2.15M 0.08% 276
2024
Q3 		$22.3M Buy
77,561
+40,458
+109% +$12.8M 0.1% 245
2024
Q2 		$11.6M Buy
37,103
+22,363
+152% +$7.01M 0.05% 365
2024
Q1 		$4.95M Buy
14,740
+4,910
+50% +$1.45M 0.02% 508
2023
Q4 		$2.78M Buy
+9,830
New +$2.54M 0.01% 577
2019
Q2 		– Sell
-11,600
Closed -$1.58M – 758
2019
Q1 		$1.58M Sell
11,600
-3,500
-23% -$477K 0.01% 535
2018
Q4 		$1.95M Sell
15,100
-7,500
-33% -$1.04M 0.01% 531
2018
Q3 		$3.48M Buy
+22,600
New +$3.24M 0.02% 521
2014
Q4 		– Sell
-7,175
Closed -$411K – 665
2014
Q3 		$411K Sell
7,175
-5,300
-42% -$273K ﹤0.01% 603
2014
Q2 		$588K Sell
12,475
-3,740
-23% -$161K ﹤0.01% 589
2014
Q1 		$771K Sell
16,215
-3,040
-16% -$136K ﹤0.01% 542
2013
Q4 		$778K Buy
19,255
+4,355
+29% +$173K ﹤0.01% 533
2013
Q3 		$610K Buy
14,900
+3,500
+31% +$135K ﹤0.01% 536
2013
Q2 		$404K Buy
+11,400
New +$375K ﹤0.01% 547

Other funds holding ICLR

Artisan Partners
Artisan Partners Milwaukee, Wisconsin $62.3B AUM 26.25% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Harris Associates
Harris Associates Chicago, Illinois $75B AUM 11.27% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return
BWA
Brave Warrior Advisors New York $4.04B AUM 1.15% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return
SHCM
Sachem Head Capital Management New York $4.15B AUM 48.05% 1-Year Est. Return

Calamos Advisors's ICLR Position: Q1 2026 in Review

Calamos Advisors sold out of Icon (ICLR) in Q1 2026, closing a stake of 26,500 shares — an estimated $4.83M sold.

Calamos Advisors first reported a position in ICLR in Q2 2013 and held it in 16 quarters. The position peaked at $22.3M in Q3 2024. 417 funds tracked by Wall St. Rank hold ICLR as of Q1 2026.

  • Calamos Advisors reported no remaining Icon position as of Q1 2026 after selling out during the quarter.
  • Calamos Advisors sold 26,500 Icon shares in Q1 2026, an estimated $4.83M.
  • Calamos Advisors first reported a position in Icon in Q2 2013 and held it in 16 quarters.
  • Calamos Advisors's Icon position peaked at $22.3M in Q3 2024.
  • 417 funds tracked by Wall St. Rank held Icon as of Q1 2026.

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