Arcellx
ACLX
ACLX was delisted on the 27th of April, 2026.
211 hedge funds and large institutions have $4.54B invested in Arcellx in 2024 Q4 according to their latest regulatory filings, with 52 funds opening new positions, 75 increasing their positions, 55 reducing their positions, and 25 closing their positions.
108% more first-time investments, than exits
New positions opened: 52 | Existing positions closed: 25
36% more repeat investments, than reductions
Existing positions increased: 75 | Existing positions reduced: 55
20% more funds holding in top 10
Funds holding in top 10: 10 → 12 (+2)
17.36% more ownership
Funds ownership: 92.06% → 109.42% (+17%)
13% more funds holding
Funds holding: 186 → 211 (+25)
10% more capital invested
Capital invested by funds: $4.13B → $4.54B (+$403M)
8% more call options, than puts
Call options by funds: $35.8M | Put options by funds: $33.3M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
+$128M |
| 2 |
RCM
RA Capital Management
Boston,
Massachusetts
|
+$80.8M |
| 3 |
Vanguard Group
Malvern,
Pennsylvania
|
+$75M |
| 4 |
PBA
Paradigm Biocapital Advisors
New York
|
+$32.1M |
| 5 |
Capital World Investors
Los Angeles,
California
|
+$21.8M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SCM
Suvretta Capital Management
New York
|
-$57.6M |
| 2 |
Janus Henderson Group
London,
United Kingdom
|
-$39.3M |
| 3 |
PA
Perceptive Advisors
New York
|
-$35.4M |
| 4 |
BlackRock
New York
|
-$33.9M |
| 5 |
Adage Capital Partners
Boston,
Massachusetts
|
-$24.4M |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
GT
226
Glenmede Trust
Philadelphia,
Pennsylvania
| – | -$302K | -3,615 | Closed |
|
|
ET
227
Entropy Technologies
New York
| – | -$293K | -3,509 | Closed |
|
228
Nomura Holdings
Tokyo,
Japan
| – | -$267K | -3,197 | Closed |
|
229
Acadian Asset Management
Boston,
Massachusetts
| – | -$246K | -2,953 | Closed |
|
|
EC
230
EntryPoint Capital
New York
| – | -$209K | -2,501 | Closed |
|
|
TC
231
Torno Capital
Cohasset,
Massachusetts
| – | -$167K | -2,000 | Closed |
|
|
A
232
AlphaQuest
New York
| – | -$128K | -1,532 | Closed |
|
|
QL
233
Quarry LP
New York
| – | -$125K | -1,500 | Closed |
|
|
CFM
234
Catalyst Funds Management
Sydney NSW,
Australia
| – | -$33.4K | -400 | Closed |
|
|
GRP
235
Global Retirement Partners
San Rafael,
California
| – | -$1K | -12 | Closed |
|
ACLX Hedge Fund Activity: Q4 2024 in Review
211 of the 7,593 institutional investors tracked by Wall St. Rank reported a position in Arcellx (ACLX) for Q4 2024, worth a combined $4.54B — up 9.7% from $4.13B a quarter earlier.
Buyers outnumbered sellers: 52 funds opened new ACLX positions and 25 closed out — a net gain of 27 holders — while 75 added to existing stakes and 55 trimmed.
The largest buyer was Fidelity Investments, adding an estimated $128M. The largest seller was Suvretta Capital Management, exiting entirely with an estimated $57.6M sold.
- 211 institutional investors held Arcellx (ACLX) as of Q4 2024, up from 186 in Q3 2024.
- Funds reported $4.54B of Arcellx stock for Q4 2024, up 9.7% quarter-over-quarter.
- 52 funds opened new Arcellx positions in Q4 2024 and 25 closed out, a net change of +27 holders.
- The largest Arcellx buyer in Q4 2024 was Fidelity Investments, an estimated $128M added.
- The largest Arcellx seller in Q4 2024 was Suvretta Capital Management, an estimated $57.6M sold.
Based on aggregated 13F filings for Q4 2024.