Arcellx
ACLX
ACLX was delisted on the 27th of April, 2026.
156 hedge funds and large institutions have $2.63B invested in Arcellx in 2023 Q4 according to their latest regulatory filings, with 37 funds opening new positions, 59 increasing their positions, 47 reducing their positions, and 17 closing their positions.
148% more call options, than puts
Call options by funds: $21.5M | Put options by funds: $8.66M
118% more first-time investments, than exits
New positions opened: 37 | Existing positions closed: 17
54% more capital invested
Capital invested by funds: $1.71B → $2.63B (+$924M)
26% more repeat investments, than reductions
Existing positions increased: 59 | Existing positions reduced: 47
25% more funds holding in top 10
Funds holding in top 10: 8 → 10 (+2)
15% more funds holding
Funds holding: 136 → 156 (+20)
1.01% less ownership
Funds ownership: 98.38% → 97.37% (-1%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Morgan Stanley
New York
|
+$56M |
| 2 |
DTC
Deep Track Capital
Greenwich,
Connecticut
|
+$32.7M |
| 3 |
PBA
Paradigm Biocapital Advisors
New York
|
+$31.8M |
| 4 |
PA
Perceptive Advisors
New York
|
+$26.1M |
| 5 |
T. Rowe Price Associates
Baltimore,
Maryland
|
+$14.6M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
NHAS
Novo Holdings A/S
Hellerup,
Denmark
|
-$38.6M |
| 2 |
SOCM
SR One Capital Management
Wayne,
Pennsylvania
|
-$36.1M |
| 3 |
Goldman Sachs
New York
|
-$23.4M |
| 4 |
SCM
Soleus Capital Management
Greenwich,
Connecticut
|
-$21.9M |
| 5 |
CAM
Cormorant Asset Management
Boston,
Massachusetts
|
-$20.3M |
ACLX Hedge Fund Activity: Q4 2023 in Review
156 of the 6,860 institutional investors tracked by Wall St. Rank reported a position in Arcellx (ACLX) for Q4 2023, worth a combined $2.63B — up 54% from $1.71B a quarter earlier.
Buyers outnumbered sellers: 37 funds opened new ACLX positions and 17 closed out — a net gain of 20 holders — while 59 added to existing stakes and 47 trimmed.
The largest buyer was Morgan Stanley, adding an estimated $56M. The largest seller was Novo Holdings A/S, exiting entirely with an estimated $38.6M sold.
- 156 institutional investors held Arcellx (ACLX) as of Q4 2023, up from 136 in Q3 2023.
- Funds reported $2.63B of Arcellx stock for Q4 2023, up 54% quarter-over-quarter.
- 37 funds opened new Arcellx positions in Q4 2023 and 17 closed out, a net change of +20 holders.
- The largest Arcellx buyer in Q4 2023 was Morgan Stanley, an estimated $56M added.
- The largest Arcellx seller in Q4 2023 was Novo Holdings A/S, an estimated $38.6M sold.
Based on aggregated 13F filings for Q4 2023.