Shay Capital’s Arcellx ACLX Stock Holding History

Shay Capital’s Portfolio ACLX Stock Details ACLX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-11,400	Closed	-$743K	–	474
2025 Q4	$743K	Buy	+11,400	New	+$909K	0.08%	224

Other funds holding ACLX

Gilead Sciences Foster City, California $2.12B AUM 143.53% 1-Year Est. Return

Paradigm Biocapital Advisors New York $4.89B AUM 251.12% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

NEA Management Company Timonium, Maryland $1.76B AUM 223.33% 1-Year Est. Return

Pentwater Capital Management Naples, Florida $19.3B AUM 58.13% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

SR One Capital Management Wayne, Pennsylvania $915M AUM 209.71% 1-Year Est. Return

Fidelity International

Fidelity International Hamilton, Bermuda $129B AUM 30.83% 1-Year Est. Return

HBK Investments Dallas, Texas $9.85B AUM 55.6% 1-Year Est. Return

Shay Capital's ACLX Position: Q1 2026 in Review

Shay Capital sold out of Arcellx (ACLX) in Q1 2026, closing a stake of 11,400 shares — an estimated $743K sold.

Shay Capital first reported a position in ACLX in Q4 2025 and held it in 1 quarter. The position peaked at $743K in Q4 2025. 239 funds tracked by Wall St. Rank hold ACLX as of Q1 2026.

Shay Capital reported no remaining Arcellx position as of Q1 2026 after selling out during the quarter.
Shay Capital sold 11,400 Arcellx shares in Q1 2026, an estimated $743K.
Shay Capital first reported a position in Arcellx in Q4 2025 and held it in 1 quarter.
Shay Capital's Arcellx position peaked at $743K in Q4 2025.
239 funds tracked by Wall St. Rank held Arcellx as of Q1 2026.

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