Arcellx
ACLX
ACLX was delisted on the 27th of April, 2026.
136 hedge funds and large institutions have $1.71B invested in Arcellx in 2023 Q3 according to their latest regulatory filings, with 17 funds opening new positions, 59 increasing their positions, 39 reducing their positions, and 18 closing their positions.
346% more call options, than puts
Call options by funds: $847K | Put options by funds: $190K
51% more repeat investments, than reductions
Existing positions increased: 59 | Existing positions reduced: 39
12% more capital invested
Capital invested by funds: $1.52B → $1.71B (+$187M)
6% less first-time investments, than exits
New positions opened: 17 | Existing positions closed: 18
1% less funds holding
Funds holding: 138 → 136 (-2)
1.8% less ownership
Funds ownership: 100.18% → 98.38% (-1.8%)
11% less funds holding in top 10
Funds holding in top 10: 9 → 8 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
T. Rowe Price Investment Management
Baltimore,
Maryland
|
+$31.4M |
| 2 |
PBA
Paradigm Biocapital Advisors
New York
|
+$20.9M |
| 3 |
GPP
Great Point Partners
Greenwich,
Connecticut
|
+$8.62M |
| 4 |
JP Morgan Chase
New York
|
+$8.15M |
| 5 |
AAA
Affinity Asset Advisors
New York
|
+$5.99M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
LGM
Logos Global Management
San Francisco,
California
|
-$15.8M |
| 2 |
SCM
Soleus Capital Management
Greenwich,
Connecticut
|
-$12.3M |
| 3 |
Citadel Advisors
Miami,
Florida
|
-$10.9M |
| 4 |
Renaissance Technologies
New York
|
-$10M |
| 5 |
Millennium Management
New York
|
-$6.58M |
ACLX Hedge Fund Activity: Q3 2023 in Review
136 of the 6,302 institutional investors tracked by Wall St. Rank reported a position in Arcellx (ACLX) for Q3 2023, worth a combined $1.71B — up 12% from $1.52B a quarter earlier.
Sellers outnumbered buyers: 18 funds closed out of ACLX and 17 opened new positions — a net loss of 1 holder — while 39 trimmed existing stakes and 59 added.
The largest buyer was T. Rowe Price Investment Management, opening a new position worth an estimated $31.4M. The largest seller was Logos Global Management, exiting entirely with an estimated $15.8M sold.
- 136 institutional investors held Arcellx (ACLX) as of Q3 2023, down from 138 in Q2 2023.
- Funds reported $1.71B of Arcellx stock for Q3 2023, up 12% quarter-over-quarter.
- 17 funds opened new Arcellx positions in Q3 2023 and 18 closed out, a net change of -1 holder.
- The largest Arcellx buyer in Q3 2023 was T. Rowe Price Investment Management, an estimated $31.4M added.
- The largest Arcellx seller in Q3 2023 was Logos Global Management, an estimated $15.8M sold.
Based on aggregated 13F filings for Q3 2023.