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ACLX

Arcellx

Delisted

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

183 hedge funds and large institutions have $3.27B invested in Arcellx in 2024 Q1 according to their latest regulatory filings, with 42 funds opening new positions, 68 increasing their positions, 59 reducing their positions, and 14 closing their positions.

New
Increased
Maintained
Reduced
Closed

200% more first-time investments, than exits

New positions opened: 42 | Existing positions closed: 14

24% more capital invested

Capital invested by funds: $2.63B → $3.27B (+$639M)

17% more funds holding

Funds holding: 156183 (+27)

15% more repeat investments, than reductions

Existing positions increased: 68 | Existing positions reduced: 59

8.29% less ownership

Funds ownership: 97.37%89.08% (-8.3%)

10% less funds holding in top 10

Funds holding in top 10: 109 (-1)

58% less call options, than puts

Call options by funds: $5.55M | Put options by funds: $13.1M

Holders
183
Holders Change
+27
Holders Change %
+17.31%
% of All Funds
2.64%
Holding in Top 10
9
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-10%
% of All Funds
0.13%
New
42
Increased
68
Reduced
59
Closed
14
Calls
$5.55M
Puts
$13.1M
Net Calls
-$7.54M
Net Calls Change
-$20.3M
Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$375M +$64.4M +1,015,326 +23%
PA
2
Perceptive Advisors
New York
$274M -$38.8M -611,253 -13%
PBA
3
Paradigm Biocapital Advisors
New York
$266M +$10.1M +159,471 +4%
NMC
4
NEA Management Company
Maryland
$260M
BlackRock
5
BlackRock
New York
$213M +$3.01M +47,530 +2%
SOCM
6
SR One Capital Management
Pennsylvania
$163M -$50.7M -800,000 -25%
Vanguard Group
7
Vanguard Group
Pennsylvania
$155M +$10.6M +167,037 +8%
State Street
8
State Street
Massachusetts
$131M +$7.06M +111,279 +6%
CAM
9
Cormorant Asset Management
Massachusetts
$124M +$5.07M +80,000 +5%
SCM
10
Suvretta Capital Management
New York
$109M -$55.4M -873,620 -36%
Janus Henderson Group
11
Janus Henderson Group
United Kingdom
$106M -$1.01M -15,901 -1%
T. Rowe Price Associates
12
T. Rowe Price Associates
Maryland
$93.5M +$5.35M +84,373 +7%
Lord, Abbett & Co
13
Lord, Abbett & Co
New Jersey
$83.3M +$98.3K +1,550 +0.1%
T. Rowe Price Investment Management
14
T. Rowe Price Investment Management
Maryland
$68.4M +$3.83M +60,463 +7%
Geode Capital Management
15
Geode Capital Management
Massachusetts
$58.3M +$3.37M +53,067 +7%
Morgan Stanley
16
Morgan Stanley
New York
$48.5M -$41.2M -649,808 -48%
JP Morgan Chase
17
JP Morgan Chase
New York
$38.4M -$3.18M -50,163 -8%
SB
18
Samsara BioCapital
California
$31.6M -$431K -6,800 -1%
Deutsche Bank
19
Deutsche Bank
Germany
$31.1M +$19.6M +308,596 +222%
Bank of America
20
Bank of America
North Carolina
$28.8M +$14M +220,254 +113%
VOYA Investment Management
21
VOYA Investment Management
Georgia
$26.6M +$19.1M +301,086 +370%
Voloridge Investment Management
22
Voloridge Investment Management
Florida
$25.3M +$8.07M +127,333 +54%
Northern Trust
23
Northern Trust
Illinois
$25M -$251K -3,961 -1%
PHS
24
PFM Health Sciences
California
$21.1M -$2.03M -31,988 -10%
AAA
25
Affinity Asset Advisors
New York
$20.9M -$2.54M -40,000 -12%

ACLX Hedge Fund Activity: Q1 2024 in Review

183 of the 6,943 institutional investors tracked by Wall St. Rank reported a position in Arcellx (ACLX) for Q1 2024, worth a combined $3.27B — up 24% from $2.63B a quarter earlier.

Buyers outnumbered sellers: 42 funds opened new ACLX positions and 14 closed out — a net gain of 28 holders — while 68 added to existing stakes and 59 trimmed.

The largest buyer was Fidelity Investments, adding an estimated $64.4M. The largest seller was Suvretta Capital Management, cutting an estimated $55.4M.

  • 183 institutional investors held Arcellx (ACLX) as of Q1 2024, up from 156 in Q4 2023.
  • Funds reported $3.27B of Arcellx stock for Q1 2024, up 24% quarter-over-quarter.
  • 42 funds opened new Arcellx positions in Q1 2024 and 14 closed out, a net change of +28 holders.
  • The largest Arcellx buyer in Q1 2024 was Fidelity Investments, an estimated $64.4M added.
  • The largest Arcellx seller in Q1 2024 was Suvretta Capital Management, an estimated $55.4M sold.

Based on aggregated 13F filings for Q1 2024.