Arcellx
ACLX
ACLX was delisted on the 27th of April, 2026.
138 hedge funds and large institutions have $1.52B invested in Arcellx in 2023 Q2 according to their latest regulatory filings, with 32 funds opening new positions, 68 increasing their positions, 31 reducing their positions, and 11 closing their positions.
191% more first-time investments, than exits
New positions opened: 32 | Existing positions closed: 11
119% more repeat investments, than reductions
Existing positions increased: 68 | Existing positions reduced: 31
18% more funds holding
Funds holding: 117 → 138 (+21)
8% more capital invested
Capital invested by funds: $1.4B → $1.52B (+$116M)
4.87% more ownership
Funds ownership: 95.31% → 100.18% (+4.9%)
0% more funds holding in top 10
Funds holding in top 10: 9 → 9 (0)
41% less call options, than puts
Call options by funds: $1.01M | Put options by funds: $1.71M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
+$76.8M |
| 2 |
T. Rowe Price Associates
Baltimore,
Maryland
|
+$39.6M |
| 3 |
PBA
Paradigm Biocapital Advisors
New York
|
+$22.5M |
| 4 |
Vanguard Group
Malvern,
Pennsylvania
|
+$21.7M |
| 5 |
LGM
Logos Global Management
San Francisco,
California
|
+$19.1M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SOCM
SR One Capital Management
Wayne,
Pennsylvania
|
-$59.4M |
| 2 |
Citadel Advisors
Miami,
Florida
|
-$44.1M |
| 3 |
NMC
NEA Management Company
Timonium,
Maryland
|
-$38.2M |
| 4 |
PAMS
Pictet Asset Management (Switzerland)
Geneva 73,
Switzerland
|
-$18M |
| 5 |
SB
Samsara BioCapital
Palo Alto,
California
|
-$11.3M |
ACLX Hedge Fund Activity: Q2 2023 in Review
138 of the 6,370 institutional investors tracked by Wall St. Rank reported a position in Arcellx (ACLX) for Q2 2023, worth a combined $1.52B — up 8.3% from $1.4B a quarter earlier.
Buyers outnumbered sellers: 32 funds opened new ACLX positions and 11 closed out — a net gain of 21 holders — while 68 added to existing stakes and 31 trimmed.
The largest buyer was Fidelity Investments, adding an estimated $76.8M. The largest seller was SR One Capital Management, cutting an estimated $59.4M.
- 138 institutional investors held Arcellx (ACLX) as of Q2 2023, up from 117 in Q1 2023.
- Funds reported $1.52B of Arcellx stock for Q2 2023, up 8.3% quarter-over-quarter.
- 32 funds opened new Arcellx positions in Q2 2023 and 11 closed out, a net change of +21 holders.
- The largest Arcellx buyer in Q2 2023 was Fidelity Investments, an estimated $76.8M added.
- The largest Arcellx seller in Q2 2023 was SR One Capital Management, an estimated $59.4M sold.
Based on aggregated 13F filings for Q2 2023.