Massachusetts Financial Services
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Massachusetts Financial Services’s Illumina ILMN Stock Holding History

Massachusetts Financial Services’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 		$127M Buy
1,023,722
+463,090
+83% +$60.8M 0.04% 326
2025
Q4 		$73.5M Buy
+560,632
New +$65.8M 0.02% 421
2025
Q2 		– Sell
-112,177
Closed -$8.9M – 911
2025
Q1 		$8.9M Sell
112,177
-705,627
-86% -$76.4M ﹤0.01% 668
2024
Q4 		$109M Sell
817,804
-238,368
-23% -$33.9M 0.03% 370
2024
Q3 		$138M Buy
1,056,172
+631,294
+149% +$77.9M 0.04% 346
2024
Q2 		$44.3M Buy
+424,878
New +$47.7M 0.01% 468
2023
Q2 		– Sell
-187,824
Closed -$42.5M – 845
2023
Q1 		$42.5M Sell
187,824
-108,048
-37% -$22.1M 0.01% 460
2022
Q4 		$58.2M Sell
295,872
-43,621
-13% -$9.04M 0.02% 416
2022
Q3 		$63M Sell
339,493
-42,065
-11% -$8.32M 0.02% 409
2022
Q2 		$68.4M Sell
381,558
-7,122
-2% -$1.82M 0.02% 408
2022
Q1 		$132M Buy
388,680
+2,974
+0.8% +$1M 0.04% 342
2021
Q4 		$143M Sell
385,706
-9,617
-2% -$3.64M 0.04% 334
2021
Q3 		$156M Sell
395,323
-10,107
-2% -$4.65M 0.05% 299
2021
Q2 		$187M Sell
405,430
-13,464
-3% -$5.42M 0.05% 275
2021
Q1 		$156M Sell
418,894
-48,319
-10% -$19.7M 0.05% 297
2020
Q4 		$168M Sell
467,213
-1,133,119
-71% -$361M 0.05% 267
2020
Q3 		$481M Buy
1,600,332
+84,106
+6% +$29M 0.17% 134
2020
Q2 		$546M Buy
1,516,226
+344,133
+29% +$111M 0.22% 116
2020
Q1 		$311M Buy
1,172,093
+303,807
+35% +$85M 0.15% 145
2019
Q4 		$280M Buy
868,286
+156,371
+22% +$47.4M 0.11% 170
2019
Q3 		$211M Buy
711,915
+58,524
+9% +$17.3M 0.08% 197
2019
Q2 		$234M Buy
653,391
+23,199
+4% +$7.33M 0.1% 182
2019
Q1 		$190M Buy
630,192
+184,486
+41% +$53.8M 0.08% 204
2018
Q4 		$130M Buy
445,706
+349,426
+363% +$108M 0.06% 227
2018
Q3 		$34.4M Buy
+96,280
New +$30.9M 0.01% 455
2018
Q1 		– Sell
-22,347
Closed -$4.75M – 857
2017
Q4 		$4.75M Sell
22,347
-38,669
-63% -$7.96M ﹤0.01% 666
2017
Q3 		$11.8M Sell
61,016
-564
-0.9% -$105K 0.01% 575
2017
Q2 		$10.4M Buy
61,580
+47,097
+325% +$8.15M ﹤0.01% 596
2017
Q1 		$2.4M Buy
+14,483
New +$2.28M ﹤0.01% 698
2015
Q3 		– Sell
-128,286
Closed -$27.2M – 880
2015
Q2 		$27.2M Sell
128,286
-411,530
-76% -$80.4M 0.01% 457
2015
Q1 		$97.5M Sell
539,816
-28,016
-5% -$5.28M 0.05% 260
2014
Q4 		$102M Buy
567,832
+57,312
+11% +$10.1M 0.05% 247
2014
Q3 		$81.4M Buy
510,520
+316,284
+163% +$52.9M 0.04% 271
2014
Q2 		$33.7M Sell
194,236
-400,272
-67% -$59.7M 0.02% 434
2014
Q1 		$86M Sell
594,508
-268,894
-31% -$39.5M 0.05% 272
2013
Q4 		$92.9M Sell
863,402
-14,011
-2% -$1.28M 0.05% 256
2013
Q3 		$69M Buy
877,413
+13,842
+2% +$1.06M 0.04% 289
2013
Q2 		$62.9M Buy
+863,571
New +$55.3M 0.04% 289

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

Massachusetts Financial Services's ILMN Position: Q1 2026 in Review

Massachusetts Financial Services increased its Illumina (ILMN) stake by 83% in Q1 2026, buying an estimated $60.8M and bringing the position to 1,023,722 shares worth $127M. The position accounts for 0.04% of the portfolio, ranked #326.

Massachusetts Financial Services first reported a position in ILMN in Q2 2013 and has held it in 38 quarters since. The position peaked at $546M in Q2 2020. 844 funds tracked by Wall St. Rank hold ILMN as of Q1 2026.

  • Massachusetts Financial Services held 1,023,722 shares of Illumina worth $127M as of Q1 2026.
  • Massachusetts Financial Services bought 463,090 Illumina shares in Q1 2026, an estimated $60.8M.
  • Illumina made up 0.04% of Massachusetts Financial Services's portfolio in Q1 2026, its #326 holding.
  • Massachusetts Financial Services first reported a position in Illumina in Q2 2013 and has held it in 38 quarters since.
  • Massachusetts Financial Services's Illumina position peaked at $546M in Q2 2020.
  • 844 funds tracked by Wall St. Rank held Illumina as of Q1 2026.

Based on Massachusetts Financial Services's 13F filing for Q1 2026, filed 14 May 2026.