Citadel Advisors’s Icon ICLR Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $1.34M | Buy |
12,100
+700
| +6% | +$95.6K | ﹤0.01% | 6985 |
|
|
2025
Q4 | $2.08M | Sell |
11,400
-14,800
| -56% | -$2.64M | ﹤0.01% | 5839 |
|
|
2025
Q3 | $4.58M | Buy |
26,200
+8,100
| +45% | +$1.36M | ﹤0.01% | 4519 |
|
|
2025
Q2 | $2.63M | Sell |
18,100
-29,700
| -62% | -$4.21M | ﹤0.01% | 5192 |
|
|
2025
Q1 | $8.36M | Sell |
47,800
-174,400
| -78% | -$33.8M | ﹤0.01% | 3096 |
|
|
2024
Q4 | $46.6M | Buy |
222,200
+215,200
| +3,074% | +$50.3M | 0.01% | 1333 |
|
|
2024
Q3 | $2.01M | Sell |
7,000
-200
| -3% | -$63.1K | ﹤0.01% | 5524 |
|
|
2024
Q2 | $2.26M | Buy |
7,200
+800
| +13% | +$251K | ﹤0.01% | 5090 |
|
|
2024
Q1 | $2.15M | Sell |
6,400
-2,000
| -24% | -$590K | ﹤0.01% | 5380 |
|
|
2023
Q4 | $2.38M | Sell |
8,400
-7,100
| -46% | -$1.84M | ﹤0.01% | 5068 |
|
|
2023
Q3 | $3.82M | Buy |
15,500
+6,100
| +65% | +$1.54M | ﹤0.01% | 4084 |
|
|
2023
Q2 | $2.35M | Buy |
9,400
+1,400
| +18% | +$297K | ﹤0.01% | 4870 |
|
|
2023
Q1 | $1.71M | Buy |
8,000
+4,700
| +142% | +$1.05M | ﹤0.01% | 5677 |
|
|
2022
Q4 | $641K | Sell |
3,300
-5,700
| -63% | -$1.13M | ﹤0.01% | 7727 |
|
|
2022
Q3 | $1.65M | Sell |
9,000
-9,000
| -50% | -$1.96M | ﹤0.01% | 5951 |
|
|
2022
Q2 | $3.9M | Buy |
18,000
+200
| +1% | +$44.8K | ﹤0.01% | 4258 |
|
|
2022
Q1 | $4.33M | Buy |
17,800
+3,100
| +21% | +$777K | ﹤0.01% | 4460 |
|
|
2021
Q4 | $4.55M | Sell |
14,700
-389
| -3% | -$109K | ﹤0.01% | 4488 |
|
|
2021
Q3 | $3.95M | Sell |
15,089
-3,811
| -20% | -$926K | ﹤0.01% | 4770 |
|
|
2021
Q2 | $3.91M | Buy |
18,900
+1,000
| +6% | +$216K | ﹤0.01% | 4989 |
|
|
2021
Q1 | $3.52M | Buy |
+17,900
| New | +$3.53M | ﹤0.01% | 5060 |
|
|
2020
Q4 | – | Sell |
-1,800
| Closed | -$344K | – | 11185 |
|
|
2020
Q3 | $344K | Sell |
1,800
-7,300
| -80% | -$1.34M | ﹤0.01% | 7914 |
|
|
2020
Q2 | $1.53M | Buy |
9,100
+6,600
| +264% | +$1.04M | ﹤0.01% | 5029 |
|
|
2020
Q1 | $340K | Buy |
+2,500
| New | +$400K | ﹤0.01% | 7110 |
|
|
2019
Q4 | – | Sell |
-2,800
| Closed | -$413K | – | 9383 |
|
|
2019
Q3 | $413K | Buy |
+2,800
| New | +$430K | ﹤0.01% | 7082 |
|
|
2019
Q2 | – | Sell |
-4,300
| Closed | -$587K | – | 9475 |
|
|
2019
Q1 | $587K | Sell |
4,300
-8,800
| -67% | -$1.2M | ﹤0.01% | 6520 |
|
|
2018
Q4 | $1.69M | Sell |
13,100
-1,900
| -13% | -$262K | ﹤0.01% | 4414 |
|
|
2018
Q3 | $2.31M | Sell |
15,000
-63,700
| -81% | -$9.13M | ﹤0.01% | 4173 |
|
|
2018
Q2 | $10.4M | Buy |
78,700
+13,300
| +20% | +$1.66M | 0.01% | 1884 |
|
|
2018
Q1 | $7.73M | Buy |
65,400
+47,600
| +267% | +$5.46M | ﹤0.01% | 1978 |
|
|
2017
Q4 | $2M | Buy |
17,800
+12,000
| +207% | +$1.38M | ﹤0.01% | 3637 |
|
|
2017
Q3 | $661K | Buy |
5,800
+3,000
| +107% | +$319K | ﹤0.01% | 4923 |
|
|
2017
Q2 | $274K | Buy |
+2,800
| New | +$248K | ﹤0.01% | 6045 |
|
|
2016
Q2 | – | Sell |
-6,500
| Closed | -$488K | – | 7051 |
|
|
2016
Q1 | $488K | Buy |
6,500
+1,000
| +18% | +$70.1K | ﹤0.01% | 4441 |
|
|
2015
Q4 | $427K | Sell |
5,500
-1,200
| -18% | -$85.7K | ﹤0.01% | 4684 |
|
|
2015
Q3 | $475K | Sell |
6,700
-100
| -1% | -$7.53K | ﹤0.01% | 4875 |
|
|
2015
Q2 | $458K | Buy |
6,800
+3,200
| +89% | +$216K | ﹤0.01% | 5119 |
|
|
2015
Q1 | $254K | Sell |
3,600
-200
| -5% | -$12.4K | ﹤0.01% | 5878 |
|
|
2014
Q4 | $194K | Sell |
3,800
-2,900
| -43% | -$156K | ﹤0.01% | 6008 |
|
|
2014
Q3 | $383K | Buy |
6,700
+1,300
| +24% | +$66.9K | ﹤0.01% | 4972 |
|
|
2014
Q2 | $254K | Buy |
+5,400
| New | +$233K | ﹤0.01% | 5279 |
|
Other funds holding ICLR
BWA
SHCM
Citadel Advisors's ICLR Position: Q1 2026 in Review
Citadel Advisors increased its Icon (ICLR) stake by 500% in Q1 2026, buying an estimated $28.6M and bringing the position to 251,607 shares worth $27.8M. The position accounts for ﹤0.01% of the portfolio, ranked #1936.
Citadel Advisors first reported a position in ICLR in Q2 2013 and has held it in 48 quarters since. The position peaked at $426M in Q2 2024. 415 funds tracked by Wall St. Rank hold ICLR as of Q1 2026.
- Citadel Advisors held 251,607 shares of Icon worth $27.8M as of Q1 2026.
- Citadel Advisors bought 209,642 Icon shares in Q1 2026, an estimated $28.6M.
- Icon made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #1936 holding.
- Citadel Advisors first reported a position in Icon in Q2 2013 and has held it in 48 quarters since.
- Citadel Advisors's Icon position peaked at $426M in Q2 2024.
- 415 funds tracked by Wall St. Rank held Icon as of Q1 2026.
Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.