We are live on ! Find out more
ACLX

Arcellx

Delisted

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

167 hedge funds and large institutions have $2.77B invested in Arcellx in 2024 Q2 according to their latest regulatory filings, with 22 funds opening new positions, 80 increasing their positions, 49 reducing their positions, and 37 closing their positions.

New
Increased
Maintained
Reduced
Closed

72% more call options, than puts

Call options by funds: $5.29M | Put options by funds: $3.07M

63% more repeat investments, than reductions

Existing positions increased: 80 | Existing positions reduced: 49

33% more funds holding in top 10

Funds holding in top 10: 912 (+3)

4.84% more ownership

Funds ownership: 89.08%93.92% (+4.8%)

9% less funds holding

Funds holding: 183167 (-16)

15% less capital invested

Capital invested by funds: $3.27B → $2.77B (-$497M)

41% less first-time investments, than exits

New positions opened: 22 | Existing positions closed: 37

Holders
167
Holders Change
-16
Holders Change %
-8.74%
% of All Funds
2.41%
Holding in Top 10
12
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+33.33%
% of All Funds
0.17%
New
22
Increased
80
Reduced
49
Closed
37
Calls
$5.29M
Puts
$3.07M
Net Calls
+$2.22M
Net Calls Change
+$9.76M
Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$358M +$59.4M +1,092,839 +20%
PA
2
Perceptive Advisors
New York
$215M -$2.38M -43,817 -1%
PBA
3
Paradigm Biocapital Advisors
New York
$212M +$1.63M +30,000 +0.8%
NMC
4
NEA Management Company
Maryland
$207M
BlackRock
5
BlackRock
New York
$194M +$24.5M +450,296 +15%
SOCM
6
SR One Capital Management
Pennsylvania
$130M
Vanguard Group
7
Vanguard Group
Pennsylvania
$127M +$3.66M +67,339 +3%
Janus Henderson Group
8
Janus Henderson Group
United Kingdom
$105M +$20.7M +380,309 +25%
State Street
9
State Street
Massachusetts
$96.9M -$7.04M -129,454 -7%
T. Rowe Price Associates
10
T. Rowe Price Associates
Maryland
$90M +$15.6M +286,137 +21%
RCM
11
RA Capital Management
Massachusetts
$88.5M +$87.2M +1,604,014 New
CAM
12
Cormorant Asset Management
Massachusetts
$84.2M -$13.9M -255,000 -14%
SCM
13
Suvretta Capital Management
New York
$83.7M -$2.51M -46,100 -3%
T. Rowe Price Investment Management
14
T. Rowe Price Investment Management
Maryland
$64.8M +$10.4M +190,929 +19%
Geode Capital Management
15
Geode Capital Management
Massachusetts
$51.6M +$5.26M +96,717 +12%
Lord, Abbett & Co
16
Lord, Abbett & Co
New Jersey
$48.2M -$17.6M -324,273 -27%
VPC
17
Vestal Point Capital
New York
$37.3M +$31.3M +575,000 +575%
Morgan Stanley
18
Morgan Stanley
New York
$30.1M -$8.25M -151,685 -22%
GPP
19
Great Point Partners
Connecticut
$27.2M +$10.4M +192,000 +64%
AAA
20
Affinity Asset Advisors
New York
$25.4M +$8.7M +160,000 +53%
SB
21
Samsara BioCapital
California
$25M
Deutsche Bank
22
Deutsche Bank
Germany
$24.6M -$68.1K -1,253 -0.3%
Northern Trust
23
Northern Trust
Illinois
$19.3M -$483K -8,880 -2%
BAMCO Inc
24
BAMCO Inc
New York
$18.9M +$5.1M +93,767 +38%
Adage Capital Partners
25
Adage Capital Partners
Massachusetts
$17.9M +$2.8M +51,459 +19%

ACLX Hedge Fund Activity: Q2 2024 in Review

167 of the 6,925 institutional investors tracked by Wall St. Rank reported a position in Arcellx (ACLX) for Q2 2024, worth a combined $2.77B — down 15% from $3.27B a quarter earlier.

Sellers outnumbered buyers: 37 funds closed out of ACLX and 22 opened new positions — a net loss of 15 holders — while 49 trimmed existing stakes and 80 added.

The largest buyer was RA Capital Management, opening a new position worth an estimated $87.2M. The largest seller was Lord, Abbett & Co, cutting an estimated $17.6M.

  • 167 institutional investors held Arcellx (ACLX) as of Q2 2024, down from 183 in Q1 2024.
  • Funds reported $2.77B of Arcellx stock for Q2 2024, down 15% quarter-over-quarter.
  • 22 funds opened new Arcellx positions in Q2 2024 and 37 closed out, a net change of -15 holders.
  • The largest Arcellx buyer in Q2 2024 was RA Capital Management, an estimated $87.2M added.
  • The largest Arcellx seller in Q2 2024 was Lord, Abbett & Co, an estimated $17.6M sold.

Based on aggregated 13F filings for Q2 2024.