Vanguard Group
ACLX

Vanguard Group’s Arcellx ACLX Stock Holding History

Vanguard Group’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
2025
Q4 		$266M Buy
4,081,519
+174,432
+4% +$13.9M ﹤0.01% 1395
2025
Q3 		$321M Sell
3,907,087
-37,798
-1% -$2.72M ﹤0.01% 1288
2025
Q2 		$260M Sell
3,944,885
-40,271
-1% -$2.51M ﹤0.01% 1379
2025
Q1 		$261M Buy
3,985,156
+655,064
+20% +$44.4M ﹤0.01% 1348
2024
Q4 		$255M Buy
3,330,092
+867,996
+35% +$75M ﹤0.01% 1424
2024
Q3 		$206M Buy
2,462,096
+165,901
+7% +$11M ﹤0.01% 1533
2024
Q2 		$127M Buy
2,296,195
+67,339
+3% +$3.66M ﹤0.01% 1727
2024
Q1 		$155M Buy
2,228,856
+167,037
+8% +$10.6M ﹤0.01% 1655
2023
Q4 		$114M Buy
2,061,819
+23,262
+1% +$1.05M ﹤0.01% 1795
2023
Q3 		$73.1M Buy
2,038,557
+43,970
+2% +$1.52M ﹤0.01% 1953
2023
Q2 		$63.1M Buy
1,994,587
+567,631
+40% +$21.7M ﹤0.01% 2087
2023
Q1 		$44M Sell
1,426,956
-59,898
-4% -$1.82M ﹤0.01% 2230
2022
Q4 		$46.1M Buy
1,486,854
+251,467
+20% +$5.77M ﹤0.01% 2219
2022
Q3 		$23.2M Buy
1,235,387
+568,296
+85% +$10.9M ﹤0.01% 2565
2022
Q2 		$12.1M Buy
667,091
+228,369
+52% +$2.95M ﹤0.01% 2888
2022
Q1 		$6.15M Buy
+438,722
New +$7.34M ﹤0.01% 3423

Other funds holding ACLX

T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
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
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 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
VPC
Vestal Point Capital New York $3.58B AUM 189.12% 1-Year Est. Return
SOCM
SR One Capital Management Wayne, Pennsylvania $915M AUM 209.71% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

Vanguard Group's ACLX Position: Q4 2025 in Review

Vanguard Group increased its Arcellx (ACLX) stake by 4.5% in Q4 2025, buying an estimated $13.9M and bringing the position to 4,081,519 shares worth $266M. The position accounts for ﹤0.01% of the portfolio, ranked #1395.

Vanguard Group first reported a position in ACLX in Q1 2022 and has held it in 16 quarters since. The position peaked at $321M in Q3 2025. 218 funds tracked by Wall St. Rank hold ACLX as of Q4 2025.

  • Vanguard Group held 4,081,519 shares of Arcellx worth $266M as of Q4 2025.
  • Vanguard Group bought 174,432 Arcellx shares in Q4 2025, an estimated $13.9M.
  • Arcellx made up ﹤0.01% of Vanguard Group's portfolio in Q4 2025, its #1395 holding.
  • Vanguard Group first reported a position in Arcellx in Q1 2022 and has held it in 16 quarters since.
  • Vanguard Group's Arcellx position peaked at $321M in Q3 2025.
  • 218 funds tracked by Wall St. Rank held Arcellx as of Q4 2025.

Based on Vanguard Group's 13F filing for Q4 2025, filed 29 Jan 2026.