Spyglass Capital Management’s Illumina ILMN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$40.1M Sell
325,049
-76,484
-19% -$10M 2.84% 22
2025
Q4
$52.7M Sell
401,533
-20,617
-5% -$2.42M 2.64% 23
2025
Q3
$40.1M Sell
422,150
-276,415
-40% -$27.4M 2.14% 23
2025
Q2
$66.7M Buy
698,565
+139,508
+25% +$11.3M 3.93% 11
2025
Q1
$44.4M Buy
559,057
+21,341
+4% +$2.31M 3.05% 20
2024
Q4
$71.9M Buy
+537,716
New +$76.6M 4.04% 14

Other funds holding ILMN

Spyglass Capital Management's ILMN Position: Q1 2026 in Review

Spyglass Capital Management reduced its Illumina (ILMN) stake by 19% in Q1 2026, selling an estimated $10M and leaving 325,049 shares worth $40.1M. The position accounts for 2.84% of the portfolio, ranked #22.

Spyglass Capital Management first reported a position in ILMN in Q4 2024 and has held it in 6 quarters since. The position peaked at $71.9M in Q4 2024. 846 funds tracked by Wall St. Rank hold ILMN as of Q1 2026.

  • Spyglass Capital Management held 325,049 shares of Illumina worth $40.1M as of Q1 2026.
  • Spyglass Capital Management sold 76,484 Illumina shares in Q1 2026, an estimated $10M.
  • Illumina made up 2.84% of Spyglass Capital Management's portfolio in Q1 2026, its #22 holding.
  • Spyglass Capital Management first reported a position in Illumina in Q4 2024 and has held it in 6 quarters since.
  • Spyglass Capital Management's Illumina position peaked at $71.9M in Q4 2024.
  • 846 funds tracked by Wall St. Rank held Illumina as of Q1 2026.

Based on Spyglass Capital Management's 13F filing for Q1 2026, filed 15 May 2026.