California State Teachers Retirement System (CalSTRS)’s Illumina ILMN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$228M Buy
40,144,099
+39,907,533
+16,870% +$5.84B 0.03% 599
2026
Q1
$29.2M Sell
236,566
-4,794
-2% -$629K 0.03% 408
2025
Q4
$31.7M Sell
241,360
-18,097
-7% -$2.12M 0.03% 404
2025
Q3
$24.6M Buy
259,457
+841
+0.3% +$83.4K 0.03% 462
2025
Q2
$24.7M Buy
258,616
+4,223
+2% +$343K 0.03% 460
2025
Q1
$20.2M Buy
254,393
+1,291
+0.5% +$140K 0.03% 492
2024
Q4
$33.8M Sell
253,102
-18,443
-7% -$2.63M 0.04% 367
2024
Q3
$35.4M Buy
271,545
+4,061
+2% +$501K 0.04% 369
2024
Q2
$27.9M Buy
267,484
+6,753
+3% +$758K 0.03% 410
2024
Q1
$34.8M Buy
260,731
+1,094
+0.4% +$147K 0.04% 357
2023
Q4
$35.2M Buy
259,637
+4,163
+2% +$480K 0.05% 334
2023
Q3
$34.1M Sell
255,474
-8,073
-3% -$1.33M 0.05% 323
2023
Q2
$48.1M Sell
263,547
-18,548
-7% -$3.75M 0.07% 274
2023
Q1
$63.8M Sell
282,095
-2,595
-0.9% -$531K 0.1% 202
2022
Q4
$56M Buy
284,690
+4,705
+2% +$975K 0.09% 228
2022
Q3
$52M Buy
279,985
+5,790
+2% +$1.15M 0.09% 216
2022
Q2
$49.2M Buy
274,195
+16,173
+6% +$4.13M 0.08% 238
2022
Q1
$87.7M Sell
258,022
-13,019
-5% -$4.4M 0.12% 158
2021
Q4
$100M Buy
271,041
+9,179
+4% +$3.48M 0.12% 154
2021
Q3
$103M Sell
261,862
-22,266
-8% -$10.2M 0.13% 135
2021
Q2
$131M Sell
284,128
-15,818
-5% -$6.37M 0.16% 111
2021
Q1
$112M Buy
299,946
+1,941
+0.7% +$791K 0.15% 123
2020
Q4
$107M Buy
298,005
+7,857
+3% +$2.5M 0.15% 125
2020
Q3
$87.2M Buy
290,148
+17,082
+6% +$5.89M 0.14% 136
2020
Q2
$98.4M Sell
273,066
-1,030
-0.4% -$331K 0.17% 107
2020
Q1
$72.8M Sell
274,096
-818
-0.3% -$229K 0.16% 125
2019
Q4
$88.7M Buy
274,914
+20,944
+8% +$6.35M 0.15% 133
2019
Q3
$75.2M Buy
253,970
+3,126
+1% +$921K 0.15% 137
2019
Q2
$89.8M Buy
250,844
+1,486
+0.6% +$469K 0.18% 103
2019
Q1
$75.4M Buy
249,358
+1,621
+0.7% +$473K 0.15% 121
2018
Q4
$72.3M Buy
247,737
+6,643
+3% +$2.06M 0.16% 117
2018
Q3
$86.1M Sell
241,094
-193
-0.1% -$61.8K 0.17% 114
2018
Q2
$65.6M Buy
241,287
+3,014
+1% +$767K 0.14% 145
2018
Q1
$54.8M Sell
238,273
-8,278
-3% -$1.9M 0.12% 173
2017
Q4
$52.4M Sell
246,551
-3,665
-1% -$754K 0.11% 184
2017
Q3
$48.5M Sell
250,216
-25,597
-9% -$4.77M 0.11% 184
2017
Q2
$46.6M Sell
275,813
-23,289
-8% -$4.03M 0.1% 207
2017
Q1
$49.6M Sell
299,102
-13,672
-4% -$2.15M 0.1% 205
2016
Q4
$39M Sell
312,774
-8,327
-3% -$1.12M 0.08% 245
2016
Q3
$56.7M Buy
321,101
+2,776
+0.9% +$444K 0.12% 172
2016
Q2
$43.5M Buy
318,325
+3,614
+1% +$513K 0.09% 223
2016
Q1
$49.6M Buy
314,711
+40,208
+15% +$6.15M 0.11% 191
2015
Q4
$51.3M Buy
274,503
+4,365
+2% +$704K 0.13% 156
2015
Q3
$46.2M Sell
270,138
-411
-0.2% -$83.1K 0.12% 168
2015
Q2
$57.5M Buy
270,549
+7,942
+3% +$1.55M 0.14% 141
2015
Q1
$47.4M Sell
262,607
-4,523
-2% -$852K 0.11% 182
2014
Q4
$48M Buy
267,130
+2,570
+1% +$453K 0.11% 180
2014
Q3
$42.2M Buy
264,560
+23,589
+10% +$3.94M 0.1% 195
2014
Q2
$41.9M Buy
240,971
+8,429
+4% +$1.26M 0.11% 185
2014
Q1
$33.6M Buy
232,542
+1,028
+0.4% +$151K 0.09% 216
2013
Q4
$24.9M Buy
231,514
+1,542
+0.7% +$141K 0.07% 298
2013
Q3
$18.1M Buy
229,972
+7,163
+3% +$548K 0.05% 351
2013
Q2
$16.2M Buy
+222,809
New +$14.3M 0.05% 357

Other funds holding ILMN

California State Teachers Retirement System (CalSTRS)'s ILMN Position: Q2 2026 in Review

California State Teachers Retirement System (CalSTRS) increased its Illumina (ILMN) stake by 16,870% in Q2 2026, buying an estimated $5.84B and bringing the position to 40,144,099 shares worth $228M. The position accounts for 0.03% of the portfolio, ranked #599.

California State Teachers Retirement System (CalSTRS) first reported a position in ILMN in Q2 2013 and has held it in 53 quarters since. 933 funds tracked by Wall St. Rank hold ILMN as of Q2 2026.

  • California State Teachers Retirement System (CalSTRS) held 40,144,099 shares of Illumina worth $228M as of Q2 2026.
  • California State Teachers Retirement System (CalSTRS) bought 39,907,533 Illumina shares in Q2 2026, an estimated $5.84B.
  • Illumina made up 0.03% of California State Teachers Retirement System (CalSTRS)'s portfolio in Q2 2026, its #599 holding.
  • California State Teachers Retirement System (CalSTRS) first reported a position in Illumina in Q2 2013 and has held it in 53 quarters since.
  • 933 funds tracked by Wall St. Rank held Illumina as of Q2 2026.

Based on California State Teachers Retirement System (CalSTRS)'s 13F filing for Q2 2026, filed 24 Aug 2026.