Janus Henderson Group
ILMN icon

Janus Henderson Group’s Illumina ILMN Stock Holding History

Janus Henderson Group’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 		$259M Buy
2,100,638
+29,094
+1% +$3.82M 0.12% 161
2025
Q4 		$272M Buy
2,071,544
+41,747
+2% +$4.9M 0.12% 161
2025
Q3 		$193M Buy
2,029,797
+109,621
+6% +$10.9M 0.09% 185
2025
Q2 		$183M Sell
1,920,176
-4,005
-0.2% -$325K 0.09% 194
2025
Q1 		$154M Sell
1,924,181
-228,910
-11% -$24.8M 0.08% 207
2024
Q4 		$288M Sell
2,153,091
-14,966
-0.7% -$2.13M 0.15% 153
2024
Q3 		$283M Buy
2,168,057
+625,245
+41% +$77.1M 0.14% 158
2024
Q2 		$161M Sell
1,542,812
-2,244,941
-59% -$252M 0.09% 202
2024
Q1 		$506M Sell
3,787,753
-737,894
-16% -$98.9M 0.28% 90
2023
Q4 		$613M Sell
4,525,647
-355,203
-7% -$41M 0.37% 61
2023
Q3 		$652M Sell
4,880,850
-36,870
-0.7% -$6.06M 0.43% 50
2023
Q2 		$897M Buy
4,917,720
+1,469,584
+43% +$297M 0.56% 37
2023
Q1 		$780M Buy
3,448,136
+1,759,075
+104% +$360M 0.51% 40
2022
Q4 		$332M Sell
1,689,061
-1,958,260
-54% -$406M 0.24% 108
2022
Q3 		$677M Buy
3,647,321
+2,009,972
+123% +$398M 0.25% 106
2022
Q2 		$294M Buy
1,637,349
+128,038
+8% +$32.7M 0.2% 126
2022
Q1 		$513M Sell
1,509,311
-79,420
-5% -$26.8M 0.25% 93
2021
Q4 		$588M Sell
1,588,731
-16,559
-1% -$6.27M 0.25% 95
2021
Q3 		$633M Sell
1,605,290
-170,356
-10% -$78.3M 0.28% 84
2021
Q2 		$817M Sell
1,775,646
-1,026,665
-37% -$413M 0.35% 62
2021
Q1 		$1.05B Sell
2,802,311
-12,831
-0.5% -$5.23M 0.48% 37
2020
Q4 		$1.01B Buy
2,815,142
+2,164,594
+333% +$690M 0.47% 39
2020
Q3 		$196M Buy
650,548
+349,485
+116% +$120M 0.1% 207
2020
Q2 		$108M Sell
301,063
-86,503
-22% -$27.8M 0.06% 297
2020
Q1 		$103M Buy
387,566
+277,009
+251% +$77.5M 0.07% 278
2019
Q4 		$35.7M Sell
110,557
-78,398
-41% -$23.8M 0.02% 689
2019
Q3 		$55.9M Sell
188,955
-34,734
-16% -$10.2M 0.03% 541
2019
Q2 		$80.1M Sell
223,689
-177,099
-44% -$55.9M 0.04% 443
2019
Q1 		$121M Buy
400,788
+97,026
+32% +$28.3M 0.07% 334
2018
Q4 		$88.6M Buy
303,762
+145,955
+92% +$45.2M 0.06% 377
2018
Q3 		$56.3M Sell
157,807
-28,461
-15% -$9.12M 0.03% 557
2018
Q2 		$50.6M Sell
186,268
-85,552
-31% -$21.8M 0.03% 549
2018
Q1 		$62.5M Sell
271,820
-64,893
-19% -$14.9M 0.04% 503
2017
Q4 		$71.6M Sell
336,713
-43,133
-11% -$8.88M 0.04% 447
2017
Q3 		$73.6M Buy
379,846
+40,596
+12% +$7.56M 0.05% 432
2017
Q2 		$57.3M Buy
339,250
+318,766
+1,556% +$55.2M 0.04% 485
2017
Q1 		$3.4M Sell
20,484
-1,485
-7% -$234K 0.02% 416
2016
Q4 		$2.74M Buy
21,969
+2,195
+11% +$296K 0.02% 439
2016
Q3 		$3.49M Buy
19,774
+474
+2% +$75.8K 0.03% 391
2016
Q2 		$2.63M Hold
19,300
– – 0.02% 426
2016
Q1 		$3.04M Hold
19,300
– – 0.02% 419
2015
Q4 		$3.6M Sell
19,300
-70,730
-79% -$11.4M 0.03% 388
2015
Q3 		$15.4M Sell
90,030
-8,110
-8% -$1.64M 0.14% 187
2015
Q2 		$20.8M Buy
98,140
+55,184
+128% +$10.8M 0.16% 163
2015
Q1 		$7.76M Buy
42,956
+23,656
+123% +$4.46M 0.06% 312
2014
Q4 		$3.47M Buy
19,300
+1,163
+6% +$205K 0.03% 420
2014
Q3 		$2.89M Buy
18,137
+210
+1% +$35.1K 0.03% 365
2014
Q2 		$3.11M Hold
17,927
– – 0.03% 347
2014
Q1 		$2.59M Buy
17,927
+164
+0.9% +$24.1K 0.03% 377
2013
Q4 		$1.91M Buy
17,763
+3,778
+27% +$346K 0.02% 409
2013
Q3 		$1.1M Hold
13,985
– – 0.01% 530
2013
Q2 		$1.04M Buy
+13,985
New +$895K 0.01% 517

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

Janus Henderson Group's ILMN Position: Q1 2026 in Review

Janus Henderson Group increased its Illumina (ILMN) stake by 1.4% in Q1 2026, buying an estimated $3.82M and bringing the position to 2,100,638 shares worth $259M. The position accounts for 0.12% of the portfolio, ranked #161.

Janus Henderson Group first reported a position in ILMN in Q2 2013 and has held it in 52 quarters since. The position peaked at $1.05B in Q1 2021. 844 funds tracked by Wall St. Rank hold ILMN as of Q1 2026.

  • Janus Henderson Group held 2,100,638 shares of Illumina worth $259M as of Q1 2026.
  • Janus Henderson Group bought 29,094 Illumina shares in Q1 2026, an estimated $3.82M.
  • Illumina made up 0.12% of Janus Henderson Group's portfolio in Q1 2026, its #161 holding.
  • Janus Henderson Group first reported a position in Illumina in Q2 2013 and has held it in 52 quarters since.
  • Janus Henderson Group's Illumina position peaked at $1.05B in Q1 2021.
  • 844 funds tracked by Wall St. Rank held Illumina as of Q1 2026.

Based on Janus Henderson Group's 13F filing for Q1 2026, filed 15 May 2026.