JG
ACLX

Joel Greenblatt’s Arcellx ACLX Stock Holding History

Joel Greenblatt’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
-9,842
Closed -$642K – 1752
2025
Q4 		$642K Hold
9,842
– – ﹤0.01% 1372
2025
Q3 		$808K Hold
9,842
– – ﹤0.01% 1268
2025
Q2 		$648K Sell
9,842
-610
-6% -$38K ﹤0.01% 1252
2025
Q1 		$686K Sell
10,452
-56
-0.5% -$3.79K 0.01% 1124
2024
Q4 		$806K Sell
10,508
-2,493
-19% -$215K 0.01% 979
2024
Q3 		$1.09M Buy
13,001
+3,551
+38% +$236K 0.01% 894
2024
Q2 		$522K Buy
9,450
+4,193
+80% +$228K 0.01% 1076
2024
Q1 		$366K Buy
5,257
+6
+0.1% +$380 0.01% 1144
2023
Q4 		$291K Buy
+5,251
New +$237K 0.01% 1146

Other funds holding ACLX

GS
Gilead Sciences Foster City, California $1.65B AUM 166.99% 1-Year Est. Return
PBA
Paradigm Biocapital Advisors New York $5.34B AUM 380.18% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
NMC
NEA Management Company Timonium, Maryland $1.59B AUM 234.06% 1-Year Est. Return
PCM
Pentwater Capital Management Naples, Florida $16.4B AUM 55.44% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
SOCM
SR One Capital Management Wayne, Pennsylvania $1.04B AUM 262.99% 1-Year Est. Return
Fidelity International
Fidelity International Hamilton, Bermuda $139B AUM 29.06% 1-Year Est. Return
HI
HBK Investments Dallas, Texas $10.2B AUM 67.73% 1-Year Est. Return

Joel Greenblatt's ACLX Position: Q1 2026 in Review

Joel Greenblatt sold out of Arcellx (ACLX) in Q1 2026, closing a stake of 9,842 shares — an estimated $642K sold.

Joel Greenblatt first reported a position in ACLX in Q4 2023 and held it in 9 quarters. The position peaked at $1.09M in Q3 2024. 240 funds tracked by Wall St. Rank hold ACLX as of Q1 2026.

  • Joel Greenblatt reported no remaining Arcellx position as of Q1 2026 after selling out during the quarter.
  • Joel Greenblatt sold 9,842 Arcellx shares in Q1 2026, an estimated $642K.
  • Joel Greenblatt first reported a position in Arcellx in Q4 2023 and held it in 9 quarters.
  • Joel Greenblatt's Arcellx position peaked at $1.09M in Q3 2024.
  • 240 funds tracked by Wall St. Rank held Arcellx as of Q1 2026.

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