Alyeska Investment Group
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Alyeska Investment Group’s Illumina ILMN Stock Holding History

Alyeska Investment Group’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 		$102M Buy
581,730
+275,363
+90% +$40.3M 0.26% 101
2026
Q1 		$37.8M Buy
+306,367
New +$40.2M 0.11% 220
2024
Q1 		– Sell
-829,194
Closed -$112M – 533
2023
Q4 		$112M Buy
+829,194
New +$95.7M 0.74% 28
2022
Q4 		– Sell
-557,644
Closed -$103M – 464
2022
Q3 		$103M Buy
+557,644
New +$110M 1.21% 8
2021
Q1 		– Sell
-70,998
Closed -$25.6M – 776
2020
Q4 		$25.6M Buy
+70,998
New +$22.6M 0.36% 84
2018
Q4 		– Sell
-1,191
Closed -$425K – 419
2018
Q3 		$425K Buy
+1,191
New +$382K ﹤0.01% 381
2016
Q2 		– Sell
-605,837
Closed -$95.5M – 455
2016
Q1 		$95.5M Buy
605,837
+187,337
+45% +$28.6M 0.88% 21
2015
Q4 		$78.1M Buy
+418,500
New +$67.5M 0.83% 24
2015
Q3 		– Sell
-219,638
Closed -$46.7M – 501
2015
Q2 		$46.7M Buy
219,638
+211,222
+2,510% +$41.3M 0.53% 50
2015
Q1 		$1.52M Buy
+8,416
New +$1.59M 0.02% 395
2014
Q3 		– Sell
-114,782
Closed -$19.9M – 414
2014
Q2 		$19.9M Buy
114,782
+36,895
+47% +$5.5M 0.44% 67
2014
Q1 		$11.3M Sell
77,887
-35,193
-31% -$5.17M 0.31% 124
2013
Q4 		$12.2M Buy
113,080
+87,380
+340% +$8M 0.48% 71
2013
Q3 		$2.02M Buy
+25,700
New +$1.97M 0.08% 221

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

Alyeska Investment Group's ILMN Position: Q2 2026 in Review

Alyeska Investment Group increased its Illumina (ILMN) stake by 90% in Q2 2026, buying an estimated $40.3M and bringing the position to 581,730 shares worth $102M. The position accounts for 0.26% of the portfolio, ranked #101.

Alyeska Investment Group first reported a position in ILMN in Q3 2013 and has held it in 14 quarters since. The position peaked at $112M in Q4 2023. 937 funds tracked by Wall St. Rank hold ILMN as of Q2 2026.

  • Alyeska Investment Group held 581,730 shares of Illumina worth $102M as of Q2 2026.
  • Alyeska Investment Group bought 275,363 Illumina shares in Q2 2026, an estimated $40.3M.
  • Illumina made up 0.26% of Alyeska Investment Group's portfolio in Q2 2026, its #101 holding.
  • Alyeska Investment Group first reported a position in Illumina in Q3 2013 and has held it in 14 quarters since.
  • Alyeska Investment Group's Illumina position peaked at $112M in Q4 2023.
  • 937 funds tracked by Wall St. Rank held Illumina as of Q2 2026.

Based on Alyeska Investment Group's 13F filing for Q2 2026, filed 14 Aug 2026.