Group One Trading
ILMN icon

Group One Trading’s Illumina ILMN Stock Holding History

Group One Trading’s Portfolio ILMN Stock Details ILMN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$3.71M Sell
30,100
-23,100
-43% -$3.03M 0.01% 1540
2025
Q4 		$6.98M Sell
53,200
-104,000
-66% -$12.2M 0.01% 1217
2025
Q3 		$14.9M Sell
157,200
-84,800
-35% -$8.41M 0.03% 660
2025
Q2 		$23.1M Buy
242,000
+175,800
+266% +$14.3M 0.05% 367
2025
Q1 		$5.25M Sell
66,200
-57,500
-46% -$6.22M 0.02% 1031
2024
Q4 		$16.5M Buy
123,700
+39,000
+46% +$5.55M 0.04% 458
2024
Q3 		$11M Sell
84,700
-15,600
-16% -$1.92M 0.03% 568
2024
Q2 		$10.5M Buy
100,300
+66,479
+197% +$7.46M 0.04% 426
2024
Q1 		$4.52M Sell
33,821
-1,028
-3% -$138K 0.02% 892
2023
Q4 		$4.72M Buy
34,849
+11,719
+51% +$1.35M 0.01% 1192
2023
Q3 		$3.09M Sell
23,130
-1,336
-5% -$220K 0.01% 1284
2023
Q2 		$4.46M Sell
24,466
-98,586
-80% -$20M 0.01% 1037
2023
Q1 		$27.8M Sell
123,052
-94,473
-43% -$19.3M 0.1% 143
2022
Q4 		$42.8M Buy
217,525
+15,934
+8% +$3.3M 0.1% 178
2022
Q3 		$37.4M Buy
201,591
+116,575
+137% +$23.1M 0.07% 188
2022
Q2 		$15.2M Buy
85,016
+47,494
+127% +$12.1M 0.02% 608
2022
Q1 		$12.8M Sell
37,522
-227,394
-86% -$76.8M 0.01% 853
2021
Q4 		$98M Buy
264,916
+40,092
+18% +$15.2M 0.08% 152
2021
Q3 		$88.7M Sell
224,824
-49,858
-18% -$22.9M 0.1% 136
2021
Q2 		$126M Buy
274,682
+19,635
+8% +$7.91M 0.15% 82
2021
Q1 		$95.3M Buy
255,047
+114,417
+81% +$46.7M 0.14% 97
2020
Q4 		$50.6M Buy
140,630
+107,220
+321% +$34.2M 0.09% 186
2020
Q3 		$10M Buy
33,410
+16,756
+101% +$5.77M 0.03% 521
2020
Q2 		$6M Buy
16,654
+926
+6% +$298K 0.03% 702
2020
Q1 		$4.18M Sell
15,728
-94,885
-86% -$26.5M 0.03% 633
2019
Q4 		$35.7M Sell
110,613
-30,531
-22% -$9.25M 0.24% 59
2019
Q3 		$41.8M Buy
141,144
+85,735
+155% +$25.3M 0.34% 33
2019
Q2 		$19.8M Sell
55,409
-11,514
-17% -$3.64M 0.18% 94
2019
Q1 		$20.2M Sell
66,923
-164,583
-71% -$48M 0.23% 65
2018
Q4 		$67.5M Buy
231,506
+29,915
+15% +$9.27M 0.59% 17
2018
Q3 		$72M Sell
201,591
-19,737
-9% -$6.32M 0.57% 14
2018
Q2 		$60.1M Buy
221,328
+171,778
+347% +$43.7M 0.51% 12
2018
Q1 		$11.4M Sell
49,550
-86,660
-64% -$19.9M 0.11% 184
2017
Q4 		$28.9M Buy
136,210
+82,960
+156% +$17.1M 0.2% 81
2017
Q3 		$10.3M Buy
53,250
+19,737
+59% +$3.67M 0.09% 260
2017
Q2 		$5.66M Buy
33,513
+20,457
+157% +$3.54M 0.06% 403
2017
Q1 		$2.17M Sell
13,056
-89,641
-87% -$14.1M 0.03% 815
2016
Q4 		$12.8M Buy
102,697
+55,203
+116% +$7.44M 0.12% 169
2016
Q3 		$8.39M Sell
47,494
-27,447
-37% -$4.39M 0.09% 233
2016
Q2 		$10.2M Buy
74,941
+62,605
+507% +$8.89M 0.12% 162
2016
Q1 		$1.95M Sell
12,336
-46,260
-79% -$7.07M 0.03% 785
2015
Q4 		$10.9M Buy
58,596
+308
+0.5% +$49.7K 0.13% 145
2015
Q3 		$9.97M Buy
58,288
+33,102
+131% +$6.69M 0.14% 152
2015
Q2 		$5.35M Buy
25,186
+13,775
+121% +$2.69M 0.07% 303
2015
Q1 		$2.06M Sell
11,411
-73,810
-87% -$13.9M 0.03% 621
2014
Q4 		$15.3M Buy
85,221
+46,877
+122% +$8.26M 0.23% 69
2014
Q3 		$6.11M Buy
38,344
+12,130
+46% +$2.03M 0.09% 236
2014
Q2 		$4.55M Sell
26,214
-2,878
-10% -$429K 0.07% 332
2014
Q1 		$4.21M Sell
29,092
-20,252
-41% -$2.98M 0.07% 287
2013
Q4 		$5.31M Buy
49,344
+16,037
+48% +$1.47M 0.08% 240
2013
Q3 		$2.62M Sell
33,307
-18,093
-35% -$1.38M 0.05% 434
2013
Q2 		$3.74M Buy
+51,400
New +$3.29M 0.09% 207

Other funds holding ILMN

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
WCM Investment Management
WCM Investment Management Laguna Beach, California $43.8B AUM 42.28% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
CM
Corvex Management New York $2.52B AUM 25.53% 1-Year Est. Return
SC
Sessa Capital New York $5.51B AUM 47.23% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Group One Trading's ILMN Position: Q1 2026 in Review

Group One Trading reduced its Illumina (ILMN) stake by 59% in Q1 2026, selling an estimated $2.98M and leaving 15,677 shares worth $1.93M. The position accounts for ﹤0.01% of the portfolio, ranked #2103.

Group One Trading first reported a position in ILMN in Q2 2013 and has held it in 40 quarters since. The position peaked at $50.9M in Q3 2021. 844 funds tracked by Wall St. Rank hold ILMN as of Q1 2026.

  • Group One Trading held 15,677 shares of Illumina worth $1.93M as of Q1 2026.
  • Group One Trading sold 22,684 Illumina shares in Q1 2026, an estimated $2.98M.
  • Illumina made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #2103 holding.
  • Group One Trading first reported a position in Illumina in Q2 2013 and has held it in 40 quarters since.
  • Group One Trading's Illumina position peaked at $50.9M in Q3 2021.
  • 844 funds tracked by Wall St. Rank held Illumina as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.