Arcellx
ACLX
ACLX was delisted on the 27th of April, 2026.
117 hedge funds and large institutions have $1.4B invested in Arcellx in 2023 Q1 according to their latest regulatory filings, with 15 funds opening new positions, 46 increasing their positions, 43 reducing their positions, and 22 closing their positions.
8% more capital invested
Capital invested by funds: $1.3B → $1.4B (+$106M)
7% more repeat investments, than reductions
Existing positions increased: 46 | Existing positions reduced: 43
0.19% less ownership
Funds ownership: 95.5% → 95.31% (-0.19%)
5% less call options, than puts
Call options by funds: $1.12M | Put options by funds: $1.19M
6% less funds holding
Funds holding: 125 → 117 (-8)
10% less funds holding in top 10
Funds holding in top 10: 10 → 9 (-1)
32% less first-time investments, than exits
New positions opened: 15 | Existing positions closed: 22
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
+$42.2M |
| 2 |
PA
Perceptive Advisors
New York
|
+$37.7M |
| 3 |
Goldman Sachs
New York
|
+$34.8M |
| 4 |
PBA
Paradigm Biocapital Advisors
New York
|
+$26.6M |
| 5 |
Lord, Abbett & Co
Jersey City,
New Jersey
|
+$15.9M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
CC
Commodore Capital
New York
|
-$18.3M |
| 2 |
CAM
Cormorant Asset Management
Boston,
Massachusetts
|
-$14.4M |
| 3 |
NHAS
Novo Holdings A/S
Hellerup,
Denmark
|
-$7.86M |
| 4 |
Balyasny Asset Management
Chicago,
Illinois
|
-$7.76M |
| 5 |
TCM
TimesSquare Capital Management
New York
|
-$6.78M |
ACLX Hedge Fund Activity: Q1 2023 in Review
117 of the 6,276 institutional investors tracked by Wall St. Rank reported a position in Arcellx (ACLX) for Q1 2023, worth a combined $1.4B — up 8.2% from $1.3B a quarter earlier.
Sellers outnumbered buyers: 22 funds closed out of ACLX and 15 opened new positions — a net loss of 7 holders — while 43 trimmed existing stakes and 46 added.
The largest buyer was Fidelity Investments, adding an estimated $42.2M. The largest seller was Commodore Capital, exiting entirely with an estimated $18.3M sold.
- 117 institutional investors held Arcellx (ACLX) as of Q1 2023, down from 125 in Q4 2022.
- Funds reported $1.4B of Arcellx stock for Q1 2023, up 8.2% quarter-over-quarter.
- 15 funds opened new Arcellx positions in Q1 2023 and 22 closed out, a net change of -7 holders.
- The largest Arcellx buyer in Q1 2023 was Fidelity Investments, an estimated $42.2M added.
- The largest Arcellx seller in Q1 2023 was Commodore Capital, an estimated $18.3M sold.
Based on aggregated 13F filings for Q1 2023.