Arcellx
ACLX
ACLX was delisted on the 27th of April, 2026.
209 hedge funds and large institutions have $5.18B invested in Arcellx in 2025 Q3 according to their latest regulatory filings, with 31 funds opening new positions, 58 increasing their positions, 81 reducing their positions, and 22 closing their positions.
41% more first-time investments, than exits
New positions opened: 31 | Existing positions closed: 22
29% more capital invested
Capital invested by funds: $4.01B → $5.18B (+$1.16B)
3% more funds holding
Funds holding: 202 → 209 (+7)
2.32% more ownership
Funds ownership: 111.39% → 113.72% (+2.3%)
8% less funds holding in top 10
Funds holding in top 10: 12 → 11 (-1)
22% less call options, than puts
Call options by funds: $7.49M | Put options by funds: $9.65M
28% less repeat investments, than reductions
Existing positions increased: 58 | Existing positions reduced: 81
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
T. Rowe Price Investment Management
Baltimore,
Maryland
|
+$317M |
| 2 |
Citadel Advisors
Miami,
Florida
|
+$59.3M |
| 3 |
LGM
Logos Global Management
San Francisco,
California
|
+$11.9M |
| 4 |
SSA
Schonfeld Strategic Advisors
New York
|
+$11.1M |
| 5 |
IHAM
Integral Health Asset Management
New York
|
+$10.8M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
VPC
Vestal Point Capital
New York
|
-$108M |
| 2 |
NMC
NEA Management Company
Timonium,
Maryland
|
-$50.4M |
| 3 |
Dimensional Fund Advisors
Austin,
Texas
|
-$18.7M |
| 4 |
Fidelity Investments
Boston,
Massachusetts
|
-$15.2M |
| 5 |
SC
Stempoint Capital
New York
|
-$13.7M |
ACLX Hedge Fund Activity: Q3 2025 in Review
209 of the 7,621 institutional investors tracked by Wall St. Rank reported a position in Arcellx (ACLX) for Q3 2025, worth a combined $5.18B — up 29% from $4.01B a quarter earlier.
Buyers outnumbered sellers: 31 funds opened new ACLX positions and 22 closed out — a net gain of 9 holders — while 58 added to existing stakes and 81 trimmed.
The largest buyer was T. Rowe Price Investment Management, adding an estimated $317M. The largest seller was Vestal Point Capital, cutting an estimated $108M.
- 209 institutional investors held Arcellx (ACLX) as of Q3 2025, up from 202 in Q2 2025.
- Funds reported $5.18B of Arcellx stock for Q3 2025, up 29% quarter-over-quarter.
- 31 funds opened new Arcellx positions in Q3 2025 and 22 closed out, a net change of +9 holders.
- The largest Arcellx buyer in Q3 2025 was T. Rowe Price Investment Management, an estimated $317M added.
- The largest Arcellx seller in Q3 2025 was Vestal Point Capital, an estimated $108M sold.
Based on aggregated 13F filings for Q3 2025.