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S&CO Inc’s Illumina ILMN Stock Holding History

S&CO Inc’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 		$2.22M Hold
18,000
– – 0.14% 113
2025
Q4 		$2.36M Hold
18,000
– – 0.15% 108
2025
Q3 		$1.71M Buy
18,000
+2,000
+13% +$198K 0.1% 120
2025
Q2 		$1.53M Sell
16,000
-18,700
-54% -$1.52M 0.1% 125
2025
Q1 		$2.75M Buy
34,700
+1,650
+5% +$179K 0.18% 99
2024
Q4 		$4.42M Buy
33,050
+500
+2% +$71.2K 0.3% 74
2024
Q3 		$4.24M Buy
32,550
+3,000
+10% +$370K 0.28% 75
2024
Q2 		$3.08M Buy
29,550
+5,341
+22% +$599K 0.22% 93
2024
Q1 		$3.23M Buy
+24,209
New +$3.24M 0.23% 80

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

S&CO Inc's ILMN Position: Q1 2026 in Review

S&CO Inc held its Illumina (ILMN) position steady in Q1 2026 at 18,000 shares worth $2.22M. The position accounts for 0.14% of the portfolio, ranked #113.

S&CO Inc first reported a position in ILMN in Q1 2024 and has held it in 9 quarters since. The position peaked at $4.42M in Q4 2024. 844 funds tracked by Wall St. Rank hold ILMN as of Q1 2026.

  • S&CO Inc held 18,000 shares of Illumina worth $2.22M as of Q1 2026.
  • S&CO Inc left its Illumina share count unchanged in Q1 2026.
  • Illumina made up 0.14% of S&CO Inc's portfolio in Q1 2026, its #113 holding.
  • S&CO Inc first reported a position in Illumina in Q1 2024 and has held it in 9 quarters since.
  • S&CO Inc's Illumina position peaked at $4.42M in Q4 2024.
  • 844 funds tracked by Wall St. Rank held Illumina as of Q1 2026.

Based on S&CO Inc's 13F filing for Q1 2026, filed 7 May 2026.