Marshall Wace
ILMN icon

Marshall Wace’s Illumina ILMN Stock Holding History

Marshall Wace’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 		– Sell
-100
Closed -$12.3K – 3427
2026
Q1 		$12.3K Sell
100
-900
-90% -$118K ﹤0.01% 3084
2025
Q4 		$131K Buy
+1,000
New +$117K ﹤0.01% 2671

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

Marshall Wace's ILMN Position: Q2 2026 in Review

Marshall Wace reduced its Illumina (ILMN) stake by 80% in Q2 2026, selling an estimated $58.9M and leaving 102,264 shares worth $18M. The position accounts for 0.01% of the portfolio, ranked #774.

Marshall Wace first reported a position in ILMN in Q2 2014 and has held it in 32 quarters since. The position peaked at $162M in Q3 2024. 937 funds tracked by Wall St. Rank hold ILMN as of Q2 2026.

  • Marshall Wace held 102,264 shares of Illumina worth $18M as of Q2 2026.
  • Marshall Wace sold 402,099 Illumina shares in Q2 2026, an estimated $58.9M.
  • Illumina made up 0.01% of Marshall Wace's portfolio in Q2 2026, its #774 holding.
  • Marshall Wace first reported a position in Illumina in Q2 2014 and has held it in 32 quarters since.
  • Marshall Wace's Illumina position peaked at $162M in Q3 2024.
  • 937 funds tracked by Wall St. Rank held Illumina as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.