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Carl Icahn’s Illumina ILMN Stock Holding History

Carl Icahn’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
2025
Q2 		– Sell
-220,000
Closed -$17.5M – 14
2025
Q1 		$17.5M Buy
220,000
+180,000
+450% +$19.5M 0.23% 14
2024
Q4 		$5.35M Sell
40,000
-390,000
-91% -$55.5M 0.07% 14
2024
Q3 		$56.1M Hold
430,000
– – 0.57% 14
2024
Q2 		$44.9M Sell
430,000
-12,040
-3% -$1.35M 0.41% 14
2024
Q1 		$59M Hold
442,040
– – 0.5% 14
2023
Q4 		$59.9M Hold
442,040
– – 0.55% 11
2023
Q3 		$59M Hold
442,040
– – 0.49% 12
2023
Q2 		$80.6M Hold
442,040
– – 0.52% 12
2023
Q1 		$100M Buy
+442,040
New +$90.5M 0.45% 12

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 Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
SC
Sessa Capital New York $5.98B AUM 99.85% 1-Year Est. Return
WCM Investment Management
WCM Investment Management Laguna Beach, California $55.2B AUM 57.07% 1-Year Est. Return
Loomis, Sayles & Company
Loomis, Sayles & Company Boston, Massachusetts $79.8B AUM 16.05% 1-Year Est. Return
CM
Corvex Management New York $3.27B AUM 38.53% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
PC
PointState Capital New York $7.82B AUM 43.51% 1-Year Est. Return

Carl Icahn's ILMN Position: Q2 2025 in Review

Carl Icahn sold out of Illumina (ILMN) in Q2 2025, closing a stake of 220,000 shares — an estimated $17.5M sold.

Carl Icahn first reported a position in ILMN in Q1 2023 and held it in 9 quarters. The position peaked at $100M in Q1 2023. 740 funds tracked by Wall St. Rank hold ILMN as of Q2 2025.

  • Carl Icahn reported no remaining Illumina position as of Q2 2025 after selling out during the quarter.
  • Carl Icahn sold 220,000 Illumina shares in Q2 2025, an estimated $17.5M.
  • Carl Icahn first reported a position in Illumina in Q1 2023 and held it in 9 quarters.
  • Carl Icahn's Illumina position peaked at $100M in Q1 2023.
  • 740 funds tracked by Wall St. Rank held Illumina as of Q2 2025.

Based on Icahn Carl's 13F filing for Q2 2025, filed 14 Aug 2025.