MAM
ACLX

Martingale Asset Management’s Arcellx ACLX Stock Holding History

Martingale Asset Management’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
-10,618
Closed -$692K – 795
2025
Q4 		$692K Buy
10,618
+103
+1% +$8.22K 0.02% 546
2025
Q3 		$863K Hold
10,515
– – 0.02% 511
2025
Q2 		$692K Sell
10,515
-890
-8% -$55.4K 0.02% 552
2025
Q1 		$748K Sell
11,405
-8,691
-43% -$589K 0.02% 525
2024
Q4 		$1.54M Sell
20,096
-1,088
-5% -$94K 0.04% 373
2024
Q3 		$1.77M Buy
21,184
+992
+5% +$66.1K 0.04% 345
2024
Q2 		$1.11M Sell
20,192
-2,740
-12% -$149K 0.02% 426
2024
Q1 		$1.59M Sell
22,932
-4,202
-15% -$266K 0.03% 350
2023
Q4 		$1.51M Buy
27,134
+251
+0.9% +$11.3K 0.03% 356
2023
Q3 		$965K Buy
26,883
+6,655
+33% +$229K 0.02% 446
2023
Q2 		$640K Buy
+20,228
New +$773K 0.01% 562

Other funds holding ACLX

GS
Gilead Sciences Foster City, California $2.12B AUM 143.53% 1-Year Est. Return
PBA
Paradigm Biocapital Advisors New York $4.89B AUM 251.12% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
NMC
NEA Management Company Timonium, Maryland $1.76B AUM 223.33% 1-Year Est. Return
PCM
Pentwater Capital Management Naples, Florida $19.3B AUM 58.13% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
SOCM
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
HI
HBK Investments Dallas, Texas $9.85B AUM 55.6% 1-Year Est. Return

Martingale Asset Management's ACLX Position: Q1 2026 in Review

Martingale Asset Management sold out of Arcellx (ACLX) in Q1 2026, closing a stake of 10,618 shares — an estimated $692K sold.

Martingale Asset Management first reported a position in ACLX in Q2 2023 and held it in 11 quarters. The position peaked at $1.77M in Q3 2024. 239 funds tracked by Wall St. Rank hold ACLX as of Q1 2026.

  • Martingale Asset Management reported no remaining Arcellx position as of Q1 2026 after selling out during the quarter.
  • Martingale Asset Management sold 10,618 Arcellx shares in Q1 2026, an estimated $692K.
  • Martingale Asset Management first reported a position in Arcellx in Q2 2023 and held it in 11 quarters.
  • Martingale Asset Management's Arcellx position peaked at $1.77M in Q3 2024.
  • 239 funds tracked by Wall St. Rank held Arcellx as of Q1 2026.

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