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ACLX

Arcellx

Delisted

ACLX was delisted on the 27th of April, 2026.

186 hedge funds and large institutions have $4.13B invested in Arcellx in 2024 Q3 according to their latest regulatory filings, with 38 funds opening new positions, 69 increasing their positions, 60 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed

137% more call options, than puts

Call options by funds: $187M | Put options by funds: $78.7M

111% more first-time investments, than exits

New positions opened: 38 | Existing positions closed: 18

49% more capital invested

Capital invested by funds: $2.77B → $4.13B (+$1.36B)

15% more repeat investments, than reductions

Existing positions increased: 69 | Existing positions reduced: 60

11% more funds holding

Funds holding: 167186 (+19)

1.86% less ownership

Funds ownership: 93.92%92.06% (-1.9%)

17% less funds holding in top 10

Funds holding in top 10: 1210 (-2)

Holders
186
Holders Change
+19
Holders Change %
+11.38%
% of All Funds
2.67%
Holding in Top 10
10
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-16.67%
% of All Funds
0.14%
New
38
Increased
69
Reduced
60
Closed
18
Calls
$187M
Puts
$78.7M
Net Calls
+$108M
Net Calls Change
+$106M
Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$541M -$537K -8,061 -0.1%
BlackRock
2
BlackRock
New York
$355M +$48.6M +730,328 +21%
PBA
3
Paradigm Biocapital Advisors
New York
$334M +$10.1M +151,905 +4%
PA
4
Perceptive Advisors
New York
$325M -$71.3K -1,070 -0%
NMC
5
NEA Management Company
Maryland
$313M
Vanguard Group
6
Vanguard Group
Pennsylvania
$206M +$11M +165,901 +7%
SOCM
7
SR One Capital Management
Pennsylvania
$196M
Janus Henderson Group
8
Janus Henderson Group
United Kingdom
$168M +$7.28M +109,332 +6%
T. Rowe Price Associates
9
T. Rowe Price Associates
Maryland
$159M +$18M +269,921 +17%
RCM
10
RA Capital Management
Massachusetts
$155M +$16.5M +247,465 +15%
State Street
11
State Street
Massachusetts
$129M -$14M -210,725 -12%
CAM
12
Cormorant Asset Management
Massachusetts
$104M -$18.3M -275,000 -18%
Geode Capital Management
13
Geode Capital Management
Massachusetts
$81.4M +$2.65M +39,781 +4%
T. Rowe Price Investment Management
14
T. Rowe Price Investment Management
Maryland
$78.9M -$15.3M -229,153 -20%
Lord, Abbett & Co
15
Lord, Abbett & Co
New Jersey
$74.5M +$1.2M +18,004 +2%
Morgan Stanley
16
Morgan Stanley
New York
$63.2M +$14.1M +212,075 +39%
SCM
17
Suvretta Capital Management
New York
$57.6M -$55M -826,304 -54%
VPC
18
Vestal Point Capital
New York
$56.4M
Deutsche Bank
19
Deutsche Bank
Germany
$38.9M +$1.28M +19,160 +4%
AAA
20
Affinity Asset Advisors
New York
$33.4M -$4M -60,000 -13%
Northern Trust
21
Northern Trust
Illinois
$32.1M +$2.23M +33,528 +10%
SB
22
Samsara BioCapital
California
$29.5M -$6.66M -100,000 -22%
BAMCO Inc
23
BAMCO Inc
New York
$28.6M +$4.79K +72 +0%
Charles Schwab
24
Charles Schwab
California
$27.4M +$946K +14,200 +5%
Russell Investments Group
25
Russell Investments Group
United Kingdom
$26.8M +$5.67M +85,079 +36%

ACLX Hedge Fund Activity: Q3 2024 in Review

186 of the 6,965 institutional investors tracked by Wall St. Rank reported a position in Arcellx (ACLX) for Q3 2024, worth a combined $4.13B — up 49% from $2.77B a quarter earlier.

Buyers outnumbered sellers: 38 funds opened new ACLX positions and 18 closed out — a net gain of 20 holders — while 69 added to existing stakes and 60 trimmed.

The largest buyer was BlackRock, adding an estimated $48.6M. The largest seller was Suvretta Capital Management, cutting an estimated $55M.

  • 186 institutional investors held Arcellx (ACLX) as of Q3 2024, up from 167 in Q2 2024.
  • Funds reported $4.13B of Arcellx stock for Q3 2024, up 49% quarter-over-quarter.
  • 38 funds opened new Arcellx positions in Q3 2024 and 18 closed out, a net change of +20 holders.
  • The largest Arcellx buyer in Q3 2024 was BlackRock, an estimated $48.6M added.
  • The largest Arcellx seller in Q3 2024 was Suvretta Capital Management, an estimated $55M sold.

Based on aggregated 13F filings for Q3 2024.