Simplex Trading
ICLR icon

Simplex Trading’s Icon ICLR Stock Holding History

Simplex Trading’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 		$188K Sell
1,700
-4,700
-73% -$642K ﹤0.01% 4374
2025
Q4 		$1.17M Buy
6,400
+4,900
+327% +$873K ﹤0.01% 2478
2025
Q3 		$262K Buy
1,500
+400
+36% +$66.9K ﹤0.01% 4629
2025
Q2 		$159K Sell
1,100
-1,600
-59% -$227K ﹤0.01% 4748
2025
Q1 		$472K Sell
2,700
-1,700
-39% -$330K ﹤0.01% 3457
2024
Q4 		$922K Sell
4,400
-11,800
-73% -$2.76M ﹤0.01% 2922
2024
Q3 		$4.65M Buy
16,200
+15,100
+1,373% +$4.76M ﹤0.01% 1544
2024
Q2 		$344K Sell
1,100
-100
-8% -$31.3K ﹤0.01% 4071
2024
Q1 		$403K Hold
1,200
– – ﹤0.01% 4067
2023
Q4 		$339K Sell
1,200
-800
-40% -$207K ﹤0.01% 4094
2023
Q3 		$492K Sell
2,000
-1,300
-39% -$328K ﹤0.01% 3416
2023
Q2 		$825K Buy
3,300
+200
+6% +$42.5K ﹤0.01% 2784
2023
Q1 		$662K Buy
3,100
+1,400
+82% +$312K ﹤0.01% 2993
2022
Q4 		$330K Buy
1,700
+500
+42% +$99.1K ﹤0.01% 3626
2022
Q3 		$220K Buy
1,200
+100
+9% +$21.8K ﹤0.01% 4486
2022
Q2 		$238K Sell
1,100
-14,600
-93% -$3.27M ﹤0.01% 4396
2022
Q1 		$3.82M Buy
15,700
+10,200
+185% +$2.56M ﹤0.01% 1482
2021
Q4 		$1.7M Buy
5,500
+4,800
+686% +$1.34M ﹤0.01% 2205
2021
Q3 		$151K Hold
700
– – ﹤0.01% 6026
2021
Q2 		$144K Buy
700
+692
+8,650% +$149K ﹤0.01% 6193
2021
Q1 		$157K Sell
8
-14
-64% -$2.76K ﹤0.01% 5112
2020
Q4 		$428K Sell
22
-30
-58% -$5.87K ﹤0.01% 3624
2020
Q3 		$993K Buy
52
+20
+63% +$3.68K ﹤0.01% 2241
2020
Q2 		$539K Sell
32
-28
-47% -$4.41K ﹤0.01% 2800
2020
Q1 		$816K Buy
60
+29
+94% +$4.64K ﹤0.01% 2072
2019
Q4 		$533K Buy
31
+2
+7% +$308 ﹤0.01% 2684
2019
Q3 		$427K Sell
29
-2
-6% -$307 ﹤0.01% 2771
2019
Q2 		$477K Buy
31
+8
+35% +$1.12K ﹤0.01% 2611
2019
Q1 		$314K Buy
23
+19
+475% +$2.59K ﹤0.01% 3146
2018
Q4 		$51K Buy
4
+3
+300% +$414 ﹤0.01% 4500
2018
Q3 		$15K Buy
+1
New +$143 ﹤0.01% 6171
2018
Q1 		– Sell
-71
Closed -$8K – 6455
2017
Q4 		$8K Sell
71
-8
-10% -$922 ﹤0.01% 4096
2017
Q3 		$215K Buy
79
+3
+4% +$319 0.01% 1141
2017
Q2 		$103K Buy
76
+21
+38% +$1.86K ﹤0.01% 1737
2017
Q1 		$3K Sell
55
-5
-8% -$409 ﹤0.01% 5004
2016
Q4 		$7K Sell
60
-23
-28% -$1.79K ﹤0.01% 4045
2016
Q3 		$25K Buy
83
+28
+51% +$2.1K ﹤0.01% 2743
2016
Q2 		$13K Buy
55
+48
+686% +$3.29K ﹤0.01% 3325
2016
Q1 		$2K Buy
7
+4
+133% +$280 ﹤0.01% 4725
2015
Q4 		$2K Sell
3
-14
-82% -$1K ﹤0.01% 4505
2015
Q3 		$10K Buy
+17
New +$1.28K ﹤0.01% 3443
2015
Q2 		– Sell
-43
Closed -$80K – 5458
2015
Q1 		$80K Buy
+43
New +$2.67K 0.01% 1238

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 $187B AUM 18.48% 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 $298B AUM 21.96% 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

Simplex Trading's ICLR Position: Q1 2026 in Review

Simplex Trading opened a new position in Icon (ICLR) in Q1 2026: 1,366 shares worth $151K. The stake represents ﹤0.01% of the portfolio and ranks #4622 among its holdings. This is a return to the name: Simplex Trading previously reported a position in ICLR as recently as Q3 2025.

Simplex Trading first reported a position in ICLR in Q2 2015 and has held it in 19 quarters since. The position peaked at $923K in Q1 2017. 415 funds tracked by Wall St. Rank hold ICLR as of Q1 2026.

  • Simplex Trading held 1,366 shares of Icon worth $151K as of Q1 2026.
  • Icon was a new Simplex Trading position in Q1 2026.
  • Icon made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #4622 holding.
  • Simplex Trading first reported a position in Icon in Q2 2015 and has held it in 19 quarters since.
  • Simplex Trading's Icon position peaked at $923K in Q1 2017.
  • 415 funds tracked by Wall St. Rank held Icon as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.