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S.A. Mason’s Illumina ILMN Stock Holding History

S.A. Mason’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
Q2 		$105K Buy
+600
New +$87.8K 0.03% 279
2025
Q3 		– Sell
-1,050
Closed -$100K – 304
2025
Q2 		$100K Sell
1,050
-75
-7% -$6.09K 0.05% 242
2025
Q1 		$89.3K Hold
1,125
– – 0.05% 239
2024
Q4 		$150K Sell
1,125
-125
-10% -$17.8K 0.08% 192
2024
Q3 		$163K Hold
1,250
– – 0.09% 179
2024
Q2 		$130K Sell
1,250
-35
-3% -$3.93K 0.07% 190
2024
Q1 		$172K Sell
1,285
-535
-29% -$71.7K 0.1% 165
2023
Q4 		$246K Sell
1,820
-154
-8% -$17.8K 0.17% 139
2023
Q3 		$264K Sell
1,974
-51
-3% -$8.38K 0.19% 129
2023
Q2 		$458K Hold
2,025
– – 0.33% 88
2023
Q1 		$458K Sell
2,025
-129
-6% -$26.4K 0.33% 88
2022
Q4 		$424K Sell
2,154
-514
-19% -$107K 0.32% 86
2022
Q3 		$495K Sell
2,668
-308
-10% -$60.9K 0.39% 73
2022
Q2 		$534K Sell
2,976
-154
-5% -$39.3K 0.39% 69
2022
Q1 		$1.06M Sell
3,130
-26
-0.8% -$8.78K 0.66% 38
2021
Q4 		$1.17M Hold
3,156
– – 0.7% 34
2021
Q3 		$1.25M Hold
3,156
– – 0.82% 29
2021
Q2 		$1.45M Hold
3,156
– – 1% 18
2021
Q1 		$1.18M Hold
3,156
– – 0.88% 30
2020
Q4 		$1.14M Buy
3,156
+21
+0.7% +$6.69K 0.95% 26
2020
Q3 		$943K Buy
+3,135
New +$1.08M 0.9% 30

Other funds holding ILMN

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
WCM Investment Management
WCM Investment Management Laguna Beach, California $55.2B AUM 57.07% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

S.A. Mason's ILMN Position: Q2 2026 in Review

S.A. Mason opened a new position in Illumina (ILMN) in Q2 2026: 600 shares worth $105K. The stake represents 0.03% of the portfolio and ranks #279 among its holdings. This is a return to the name: S.A. Mason previously reported a position in ILMN as recently as Q2 2025.

S.A. Mason first reported a position in ILMN in Q3 2020 and has held it in 21 quarters since. The position peaked at $1.45M in Q2 2021. 937 funds tracked by Wall St. Rank hold ILMN as of Q2 2026.

  • S.A. Mason held 600 shares of Illumina worth $105K as of Q2 2026.
  • Illumina was a new S.A. Mason position in Q2 2026.
  • Illumina made up 0.03% of S.A. Mason's portfolio in Q2 2026, its #279 holding.
  • S.A. Mason first reported a position in Illumina in Q3 2020 and has held it in 21 quarters since.
  • S.A. Mason's Illumina position peaked at $1.45M in Q2 2021.
  • 937 funds tracked by Wall St. Rank held Illumina as of Q2 2026.

Based on S.A. Mason's 13F filing for Q2 2026, filed 31 Jul 2026.