Simplex Trading
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Simplex Trading’s Lyell Immunopharma LYEL Stock Holding History

Simplex Trading’s Portfolio LYEL Stock Details LYEL Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-200
Closed -$3K – 9411
2025
Q3 		$3K Sell
200
-5,000
-96% -$57.1K ﹤0.01% 8520
2025
Q2 		$45K Buy
+5,200
New +$47.4K ﹤0.01% 6025
2025
Q1 		– Sell
-370
Closed -$4K – 9168
2024
Q4 		$4K Hold
370
– – ﹤0.01% 7760
2024
Q3 		$10K Buy
+370
New +$10.9K ﹤0.01% 7191
2024
Q2 		– Sell
-325
Closed -$14K – 9383
2024
Q1 		$14K Buy
+325
New +$13.9K ﹤0.01% 7378
2023
Q1 		– Sell
-60
Closed -$4K – 9677
2022
Q4 		$4K Buy
+60
New +$5.96K ﹤0.01% 8222
2022
Q3 		– Sell
-90
Closed -$11K – 10482
2022
Q2 		$11K Sell
90
-75
-45% -$7.66K ﹤0.01% 8207
2022
Q1 		$16K Buy
+165
New +$20K ﹤0.01% 8466

Other funds holding LYEL

AVM
Arch Venture Management Chicago, Illinois $677M AUM 322.07% 1-Year Est. Return
GP
GSK plc London $599M AUM
FCMI
Foresite Capital Management IV Larkspur, California $237M AUM 107.53% 1-Year Est. Return
OPL
Orland Properties Ltd Road Town, Tortola, British Virgin Islands $267M AUM 5.05% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
DC
Decheng Capital Menlo Park, California $661M AUM 299.97% 1-Year Est. Return
AC
Almitas Capital Santa Monica, California $443M AUM 42.36% 1-Year Est. Return
FCMV
Foresite Capital Management V Larkspur, California $271M AUM 309.87% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

Simplex Trading's LYEL Position: Q1 2026 in Review

Simplex Trading increased its Lyell Immunopharma (LYEL) stake by 1,773% in Q1 2026, buying an estimated $15.3K and bringing the position to 693 shares worth $13.9K. The position accounts for ﹤0.01% of the portfolio, ranked #7057.

Simplex Trading first reported a position in LYEL in Q4 2021 and has held it in 13 quarters since. The position peaked at $22K in Q2 2022. 74 funds tracked by Wall St. Rank hold LYEL as of Q1 2026.

  • Simplex Trading held 693 shares of Lyell Immunopharma worth $13.9K as of Q1 2026.
  • Simplex Trading bought 656 Lyell Immunopharma shares in Q1 2026, an estimated $15.3K.
  • Lyell Immunopharma made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #7057 holding.
  • Simplex Trading first reported a position in Lyell Immunopharma in Q4 2021 and has held it in 13 quarters since.
  • Simplex Trading's Lyell Immunopharma position peaked at $22K in Q2 2022.
  • 74 funds tracked by Wall St. Rank held Lyell Immunopharma as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.