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CITADEL ADVISORS LLC

Position in LYEL — Lyell Immunopharma, Inc.

CIK 1423053 MIAMI, FL

Position in LYEL

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$7,652,127
-$2,342,169 QoQ
Shares Held
381,462
+17.5% QoQ
Ownership
1.63%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Jun 2025
4 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in LYEL Over Time

Shares Held

Position Value (USD)

Derivatives in LYEL

reported options exposure · as of Mar 31, 2026
CallValue
$240,720
CallShares
12,000
PutValue
$0
PutShares
0

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Biotechnology

Healthcare · as of Mar 31, 2026

CITADEL ADVISORS LLC holds $5,784,241,435 across 374 Biotechnology names. LYEL ranks #106 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in LYEL

Export CSV
8 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $7,652,127 381,462
2026-03-31 $240,720 12,000
2025-12-31 $9,994,296 324,701
2025-12-31 $492,480 16,000
2025-09-30 $272,020 16,750
2025-09-30 $5,513,332 339,491
2025-06-30 $2,398,141 271,283
2025-06-30 $141,351 15,990