Arcellx
ACLX
ACLX was delisted on the 27th of April, 2026.
197 hedge funds and large institutions have $4.04B invested in Arcellx in 2025 Q1 according to their latest regulatory filings, with 24 funds opening new positions, 74 increasing their positions, 69 reducing their positions, and 38 closing their positions.
165% more call options, than puts
Call options by funds: $51.8M | Put options by funds: $19.6M
17% more funds holding in top 10
Funds holding in top 10: 12 → 14 (+2)
2.67% more ownership
Funds ownership: 109.42% → 112.09% (+2.7%)
7% more repeat investments, than reductions
Existing positions increased: 74 | Existing positions reduced: 69
7% less funds holding
Funds holding: 211 → 197 (-14)
11% less capital invested
Capital invested by funds: $4.54B → $4.04B (-$495M)
37% less first-time investments, than exits
New positions opened: 24 | Existing positions closed: 38
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
VPC
Vestal Point Capital
New York
|
+$130M |
| 2 |
T. Rowe Price Investment Management
Baltimore,
Maryland
|
+$65M |
| 3 |
Citadel Advisors
Miami,
Florida
|
+$47.5M |
| 4 |
Vanguard Group
Malvern,
Pennsylvania
|
+$44.4M |
| 5 |
JP Morgan Chase
New York
|
+$31.1M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
-$112M |
| 2 |
PA
Perceptive Advisors
New York
|
-$37.4M |
| 3 |
Lord, Abbett & Co
Jersey City,
New Jersey
|
-$21M |
| 4 |
T. Rowe Price Associates
Baltimore,
Maryland
|
-$19.1M |
| 5 |
CAM
Cormorant Asset Management
Boston,
Massachusetts
|
-$16.9M |
ACLX Hedge Fund Activity: Q1 2025 in Review
197 of the 7,459 institutional investors tracked by Wall St. Rank reported a position in Arcellx (ACLX) for Q1 2025, worth a combined $4.04B — down 11% from $4.54B a quarter earlier.
Sellers outnumbered buyers: 38 funds closed out of ACLX and 24 opened new positions — a net loss of 14 holders — while 69 trimmed existing stakes and 74 added.
The largest buyer was Vestal Point Capital, adding an estimated $130M. The largest seller was Fidelity Investments, cutting an estimated $112M.
- 197 institutional investors held Arcellx (ACLX) as of Q1 2025, down from 211 in Q4 2024.
- Funds reported $4.04B of Arcellx stock for Q1 2025, down 11% quarter-over-quarter.
- 24 funds opened new Arcellx positions in Q1 2025 and 38 closed out, a net change of -14 holders.
- The largest Arcellx buyer in Q1 2025 was Vestal Point Capital, an estimated $130M added.
- The largest Arcellx seller in Q1 2025 was Fidelity Investments, an estimated $112M sold.
Based on aggregated 13F filings for Q1 2025.