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Arcellx
ACLX

Overview Fund Activity

195 hedge funds and large institutions have $4.04B invested in Arcellx in 2025 Q1 according to their latest regulatory filings, with 25 funds opening new positions, 74 increasing their positions, 68 reducing their positions, and 39 closing their positions.

Holders
195
Holders Change
-15
Holders Change %
-7.14%
% of All Funds
2.65%
Holding in Top 10
14
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+16.67%
% of All Funds
0.19%
New
25
Increased
74
Reduced
68
Closed
39
Calls
$51.8M
Puts
$19.6M
Net Calls
+$32.2M
Net Calls Change
+$29.7M

Top Buyers

1
VPC
1
Vestal Point Capital
New York
$157M
2
T. Rowe Price Investment Management
2
T. Rowe Price Investment Management
Maryland
$109M
3
Citadel Advisors
3
Citadel Advisors
Florida
$47.6M
4
Vanguard Group
4
Vanguard Group
Pennsylvania
$261M
5
JPMorgan Chase & Co
5
JPMorgan Chase & Co
New York
$44.8M

Top Sellers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$414M
2
PA
2
Perceptive Advisors
New York
$192M
3
Lord, Abbett & Co
3
Lord, Abbett & Co
New Jersey
$43.6M
4
T. Rowe Price Associates
4
T. Rowe Price Associates
Maryland
$121M
5
CAM
5
Cormorant Asset Management
Massachusetts
$68.9M
Name Market Value Shares Shares
Change 		Shares
Change %
GS
1
Gilead Sciences
California
$441M 6,720,803 – –
Fidelity Investments
2
Fidelity Investments
Massachusetts
$414M 6,303,679 -1,652,954 -21%
PBA
3
Paradigm Biocapital Advisors
New York
$295M 4,492,032 +120,431 +3%
Vanguard Group
4
Vanguard Group
Pennsylvania
$261M 3,985,156 +655,064 +20%
BlackRock
5
BlackRock
New York
$260M 3,967,569 +113,548 +3%
NMC
6
NEA Management Company
Maryland
$246M 3,745,262 – –
RCM
7
RA Capital Management
Massachusetts
$199M 3,036,527 +249,200 +9%
PA
8
Perceptive Advisors
New York
$192M 2,926,478 -552,410 -16%
VPC
9
Vestal Point Capital
New York
$157M 2,387,720 +1,912,720 +403%
SOCM
10
SR One Capital Management
Pennsylvania
$154M 2,346,630 – –
T. Rowe Price Associates
11
T. Rowe Price Associates
Maryland
$121M 1,839,624 -281,698 -13%
State Street
12
State Street
Massachusetts
$109M 1,666,451 -108,921 -6%
T. Rowe Price Investment Management
13
T. Rowe Price Investment Management
Maryland
$109M 1,665,138 +959,216 +136%
Janus Henderson Group
14
Janus Henderson Group
United Kingdom
$103M 1,510,494 -46,598 -3%
CAM
15
Cormorant Asset Management
Massachusetts
$68.9M 1,050,000 -250,000 -19%
AIIC
16
AJU IB Investment Company
South Korea
$68.7M 1,047,557 – –
Geode Capital Management
17
Geode Capital Management
Massachusetts
$67M 1,020,540 +41,514 +4%
Citadel Advisors
18
Citadel Advisors
Florida
$47.6M 726,127 +700,901 +2,778%
Capital World Investors
19
Capital World Investors
California
$46.5M 709,374 +456,496 +181%
JPMorgan Chase & Co
20
JPMorgan Chase & Co
New York
$44.8M 683,581 +459,125 +205%
Lord, Abbett & Co
21
Lord, Abbett & Co
New Jersey
$43.6M 664,526 -310,306 -32%
AAA
22
Affinity Asset Advisors
New York
$34.8M 530,000 +105,000 +25%
Dimensional Fund Advisors
23
Dimensional Fund Advisors
Texas
$31.9M 486,269 +181,181 +59%
BAMCO Inc
24
BAMCO Inc
New York
$30.7M 467,261 +118,928 +34%
Morgan Stanley
25
Morgan Stanley
New York
$30.3M 462,333 -155,784 -25%
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