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 		$616K Sell
5,000
-24,800
-83% -$3.26M ﹤0.01% 3158
2025
Q4 		$3.91M Sell
29,800
-3,600
-11% -$423K 0.01% 1716
2025
Q3 		$3.17M Sell
33,400
-5,000
-13% -$496K 0.01% 1895
2025
Q2 		$3.66M Sell
38,400
-1,900
-5% -$154K 0.01% 1580
2025
Q1 		$3.2M Buy
40,300
+25,700
+176% +$2.78M 0.01% 1428
2024
Q4 		$1.95M Sell
14,600
-10,400
-42% -$1.48M ﹤0.01% 1941
2024
Q3 		$3.26M Sell
25,000
-15,200
-38% -$1.88M 0.01% 1351
2024
Q2 		$4.2M Buy
40,200
+18,920
+89% +$2.12M 0.02% 918
2024
Q1 		$2.84M Sell
21,280
-83,576
-80% -$11.2M 0.01% 1236
2023
Q4 		$14.2M Sell
104,856
-2,981
-3% -$344K 0.04% 496
2023
Q3 		$14.4M Buy
107,837
+36,494
+51% +$6M 0.05% 342
2023
Q2 		$13M Buy
71,343
+42,045
+144% +$8.51M 0.04% 396
2023
Q1 		$6.63M Sell
29,298
-36,288
-55% -$7.43M 0.02% 684
2022
Q4 		$12.9M Sell
65,586
-36,392
-36% -$7.54M 0.03% 597
2022
Q3 		$18.9M Sell
101,978
-14,289
-12% -$2.83M 0.04% 411
2022
Q2 		$20.9M Buy
116,267
+34,027
+41% +$8.69M 0.03% 461
2022
Q1 		$28M Sell
82,240
-69,596
-46% -$23.5M 0.03% 462
2021
Q4 		$56.2M Sell
151,836
-17,990
-11% -$6.82M 0.05% 282
2021
Q3 		$67M Buy
169,826
+35,261
+26% +$16.2M 0.07% 199
2021
Q2 		$61.9M Sell
134,565
-2,467
-2% -$994K 0.07% 206
2021
Q1 		$51.2M Buy
137,032
+104,342
+319% +$42.5M 0.08% 208
2020
Q4 		$11.8M Buy
32,690
+3,495
+12% +$1.11M 0.02% 710
2020
Q3 		$8.78M Buy
29,195
+19,635
+205% +$6.77M 0.03% 591
2020
Q2 		$3.44M Sell
9,560
-4,524
-32% -$1.46M 0.02% 1060
2020
Q1 		$3.74M Sell
14,084
-12,644
-47% -$3.54M 0.03% 684
2019
Q4 		$8.63M Buy
26,728
+1,439
+6% +$436K 0.06% 412
2019
Q3 		$7.48M Buy
25,289
+14,289
+130% +$4.21M 0.06% 393
2019
Q2 		$3.94M Sell
11,000
-3,700
-25% -$1.17M 0.04% 666
2019
Q1 		$4.44M Sell
14,700
-67,437
-82% -$19.7M 0.05% 484
2018
Q4 		$24M Buy
82,137
+33,410
+69% +$10.3M 0.21% 86
2018
Q3 		$17.4M Sell
48,727
-20,869
-30% -$6.69M 0.14% 137
2018
Q2 		$18.9M Buy
69,596
+17,476
+34% +$4.45M 0.16% 106
2018
Q1 		$12M Sell
52,120
-77,819
-60% -$17.8M 0.12% 170
2017
Q4 		$27.6M Buy
129,939
+37,522
+41% +$7.72M 0.19% 89
2017
Q3 		$17.9M Sell
92,417
-54,176
-37% -$10.1M 0.16% 117
2017
Q2 		$24.7M Buy
146,593
+84,193
+135% +$14.6M 0.26% 61
2017
Q1 		$10.4M Sell
62,400
-5,962
-9% -$939K 0.12% 189
2016
Q4 		$8.52M Sell
68,362
-3,598
-5% -$485K 0.08% 268
2016
Q3 		$12.7M Buy
71,960
+54,484
+312% +$8.72M 0.14% 143
2016
Q2 		$2.39M Buy
17,476
+4,112
+31% +$584K 0.03% 720
2016
Q1 		$2.11M Sell
13,364
-3,495
-21% -$534K 0.03% 741
2015
Q4 		$3.15M Sell
16,859
-25,392
-60% -$4.1M 0.04% 595
2015
Q3 		$7.23M Sell
42,251
-71,035
-63% -$14.4M 0.1% 230
2015
Q2 		$24.1M Buy
113,286
+87,483
+339% +$17.1M 0.34% 38
2015
Q1 		$4.66M Sell
25,803
-18,401
-42% -$3.47M 0.07% 278
2014
Q4 		$7.94M Buy
44,204
+10,383
+31% +$1.83M 0.12% 165
2014
Q3 		$5.39M Buy
33,821
+719
+2% +$120K 0.08% 267
2014
Q2 		$5.75M Sell
33,102
-34,540
-51% -$5.15M 0.09% 245
2014
Q1 		$9.78M Sell
67,642
-24,775
-27% -$3.64M 0.16% 107
2013
Q4 		$9.95M Buy
92,417
+36,597
+66% +$3.35M 0.15% 110
2013
Q3 		$4.39M Buy
55,820
+1,439
+3% +$110K 0.08% 246
2013
Q2 		$3.96M Buy
+54,381
New +$3.48M 0.1% 198

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.